Travel with Axel, get the best price.

Route overview: Chicago to Buffalo (BUF) flight deals

Chicago (ORD) to Buffalo (BUF), Dec 18–20, 2026, return Dec 25–27, 2026: from $212 round trip

Chicago (ORD) to Buffalo (BUF), Dec 18–20, 2026, return Dec 25–27, 2026: from $212 round trip on Axel, checked Oct 29, 2026. Lowest published fare: $212 round trip, Axel-exclusive, Frontier Airlines, 1 stop, Dec 18–25, 2026, 1 adult, economy, checked Oct 29, 2026.

ORD → BUF1 adulteconomyRound trip

54 flight options · 4 airlines

Nonstop flights

Fri, Dec 18 – Sat, Dec 26

American Airlines
8:00 amORD
1h 45m
Nonstop
10:45 amBUF
American Airlines
6:25 amBUF
2h 35m
Nonstop
8:00 amORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Fri, Dec 18 – Fri, Dec 25

United Airlines
6:55 amORD
1h 48m
Nonstop
9:43 amBUF
United Airlines
10:42 amBUF
2h 17m
Nonstop
11:59 amORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Fri, Dec 18 – Sun, Dec 27

American Airlines
8:49 pmORD
1h 44m
Nonstop
11:33 pmBUF
American Airlines
6:25 amBUF
2h 35m
Nonstop
8:00 amORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sun, Dec 20 – Sat, Dec 26

American Airlines
9:00 pmORD
1h 56m
Nonstop
11:56 pmBUF
American Airlines
6:25 amBUF
2h 35m
Nonstop
8:00 amORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sun, Dec 20 – Fri, Dec 25

American Airlines
3:26 pmORD
1h 43m
Nonstop
6:09 pmBUF
American Airlines
11:10 amBUF
2h 20m
Nonstop
12:30 pmORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sun, Dec 20 – Sun, Dec 27

American Airlines
3:26 pmORD
1h 43m
Nonstop
6:09 pmBUF
American Airlines
6:25 amBUF
2h 35m
Nonstop
8:00 amORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sat, Dec 19 – Sun, Dec 27

American Airlines
9:00 pmORD
1h 53m
Nonstop
11:53 pmBUF
American Airlines
6:25 amBUF
2h 35m
Nonstop
8:00 amORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sat, Dec 19 – Fri, Dec 25

American Airlines
4:56 pmORD
2h
Nonstop
7:56 pmBUF
American Airlines
11:10 amBUF
2h 20m
Nonstop
12:30 pmORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sat, Dec 19 – Sat, Dec 26

American Airlines
9:00 pmORD
1h 53m
Nonstop
11:53 pmBUF
American Airlines
6:25 amBUF
2h 35m
Nonstop
8:00 amORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Fri, Dec 18 – Fri, Dec 25

American Airlines
8:49 pmORD
1h 44m
Nonstop
11:33 pmBUF
American Airlines
11:10 amBUF
2h 20m
Nonstop
12:30 pmORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Fri, Dec 18 – Fri, Dec 25

American Airlines
8:00 amORD
1h 45m
Nonstop
10:45 amBUF
American Airlines
11:10 amBUF
2h 20m
Nonstop
12:30 pmORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Fri, Dec 18 – Sat, Dec 26

American Airlines
8:49 pmORD
1h 44m
Nonstop
11:33 pmBUF
American Airlines
6:25 amBUF
2h 35m
Nonstop
8:00 amORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Fri, Dec 18 – Sun, Dec 27

American Airlines
8:00 amORD
1h 45m
Nonstop
10:45 amBUF
American Airlines
6:25 amBUF
2h 35m
Nonstop
8:00 amORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Fri, Dec 18 – Fri, Dec 25

United Airlines
5:55 pmORD
1h 52m
Nonstop
8:47 pmBUF
United Airlines
10:42 amBUF
2h 17m
Nonstop
11:59 amORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Fri, Dec 18 – Sun, Dec 27

United Airlines
6:55 amORD
1h 48m
Nonstop
9:43 amBUF
United Airlines
5:35 pmBUF
2h 17m
Nonstop
6:52 pmORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Fri, Dec 18 – Sat, Dec 26

United Airlines
5:55 pmORD
1h 52m
Nonstop
8:47 pmBUF
United Airlines
5:35 pmBUF
2h 17m
Nonstop
6:52 pmORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Fri, Dec 18 – Sat, Dec 26

United Airlines
6:55 amORD
1h 48m
Nonstop
9:43 amBUF
United Airlines
5:35 pmBUF
2h 17m
Nonstop
6:52 pmORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Fri, Dec 18 – Sun, Dec 27

United Airlines
5:55 pmORD
1h 52m
Nonstop
8:47 pmBUF
United Airlines
5:35 pmBUF
2h 17m
Nonstop
6:52 pmORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sun, Dec 20 – Fri, Dec 25

American Airlines
9:00 pmORD
1h 56m
Nonstop
11:56 pmBUF
American Airlines
11:10 amBUF
2h 20m
Nonstop
12:30 pmORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sun, Dec 20 – Sat, Dec 26

American Airlines
3:26 pmORD
1h 43m
Nonstop
6:09 pmBUF
American Airlines
6:25 amBUF
2h 35m
Nonstop
8:00 amORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sat, Dec 19 – Sun, Dec 27

American Airlines
4:56 pmORD
2h
Nonstop
7:56 pmBUF
American Airlines
6:25 amBUF
2h 35m
Nonstop
8:00 amORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sat, Dec 19 – Fri, Dec 25

American Airlines
9:00 pmORD
1h 53m
Nonstop
11:53 pmBUF
American Airlines
11:10 amBUF
2h 20m
Nonstop
12:30 pmORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sun, Dec 20 – Sun, Dec 27

American Airlines
9:00 pmORD
1h 56m
Nonstop
11:56 pmBUF
American Airlines
6:25 amBUF
2h 35m
Nonstop
8:00 amORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sat, Dec 19 – Sat, Dec 26

American Airlines
4:56 pmORD
2h
Nonstop
7:56 pmBUF
American Airlines
6:25 amBUF
2h 35m
Nonstop
8:00 amORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sat, Dec 19 – Sat, Dec 26

United Airlines
5:55 pmORD
1h 40m
Nonstop
8:35 pmBUF
United Airlines
5:35 pmBUF
2h 17m
Nonstop
6:52 pmORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sun, Dec 20 – Fri, Dec 25

United Airlines
6:55 amORD
1h 48m
Nonstop
9:43 amBUF
United Airlines
10:42 amBUF
2h 17m
Nonstop
11:59 amORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sat, Dec 19 – Fri, Dec 25

United Airlines
6:00 pmORD
1h 52m
Nonstop
8:52 pmBUF
United Airlines
10:42 amBUF
2h 17m
Nonstop
11:59 amORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sun, Dec 20 – Sun, Dec 27

United Airlines
6:55 amORD
1h 48m
Nonstop
9:43 amBUF
United Airlines
5:35 pmBUF
2h 17m
Nonstop
6:52 pmORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sat, Dec 19 – Fri, Dec 25

United Airlines
5:55 pmORD
1h 40m
Nonstop
8:35 pmBUF
United Airlines
10:42 amBUF
2h 17m
Nonstop
11:59 amORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sun, Dec 20 – Sat, Dec 26

United Airlines
5:55 pmORD
1h 52m
Nonstop
8:47 pmBUF
United Airlines
5:35 pmBUF
2h 17m
Nonstop
6:52 pmORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sat, Dec 19 – Sun, Dec 27

United Airlines
6:00 pmORD
1h 52m
Nonstop
8:52 pmBUF
United Airlines
5:35 pmBUF
2h 17m
Nonstop
6:52 pmORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sun, Dec 20 – Sat, Dec 26

United Airlines
6:55 amORD
1h 48m
Nonstop
9:43 amBUF
United Airlines
5:35 pmBUF
2h 17m
Nonstop
6:52 pmORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sun, Dec 20 – Fri, Dec 25

United Airlines
5:55 pmORD
1h 52m
Nonstop
8:47 pmBUF
United Airlines
10:42 amBUF
2h 17m
Nonstop
11:59 amORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sat, Dec 19 – Sun, Dec 27

United Airlines
5:55 pmORD
1h 40m
Nonstop
8:35 pmBUF
United Airlines
5:35 pmBUF
2h 17m
Nonstop
6:52 pmORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sun, Dec 20 – Sun, Dec 27

United Airlines
5:55 pmORD
1h 52m
Nonstop
8:47 pmBUF
United Airlines
5:35 pmBUF
2h 17m
Nonstop
6:52 pmORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sat, Dec 19 – Sat, Dec 26

United Airlines
6:00 pmORD
1h 52m
Nonstop
8:52 pmBUF
United Airlines
5:35 pmBUF
2h 17m
Nonstop
6:52 pmORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

One-stop flights

Fri, Dec 18 – Fri, Dec 25

Frontier Airlines
5:35 amORD
7h
MCO · 1h 17m
1:35 pmBUF
Frontier Airlines
1:15 pmBUF
5h 48m
ATL · 1h 10m
6:03 pmORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Fri, Dec 18 – Fri, Dec 25

Delta Air Lines
5:02 pmORD
5h 59m
DTW · 3h 26m
12:01 am+1BUF
Delta Air Lines
6:35 amBUF
5h 24m
DTW · 2h 28m
10:59 amORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Fri, Dec 18 – Sun, Dec 27

Frontier Airlines
5:35 amORD
7h
MCO · 1h 17m
1:35 pmBUF
Frontier Airlines
1:15 pmBUF
5h 48m
ATL · 1h 10m
6:03 pmORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Fri, Dec 18 – Sat, Dec 26

Frontier Airlines
5:35 amORD
7h
MCO · 1h 17m
1:35 pmBUF
Frontier Airlines
1:15 pmBUF
5h 48m
ATL · 1h 10m
6:03 pmORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sat, Dec 19 – Fri, Dec 25

Frontier Airlines
5:35 amORD
7h
MCO · 1h 17m
1:35 pmBUF
Frontier Airlines
1:15 pmBUF
5h 48m
ATL · 1h 10m
6:03 pmORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sun, Dec 20 – Sat, Dec 26

Frontier Airlines
5:35 amORD
7h
MCO · 1h 17m
1:35 pmBUF
Frontier Airlines
1:15 pmBUF
5h 48m
ATL · 1h 10m
6:03 pmORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sat, Dec 19 – Sun, Dec 27

Frontier Airlines
5:35 amORD
7h
MCO · 1h 17m
1:35 pmBUF
Frontier Airlines
1:15 pmBUF
5h 48m
ATL · 1h 10m
6:03 pmORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sun, Dec 20 – Sun, Dec 27

Frontier Airlines
5:35 amORD
7h
MCO · 1h 17m
1:35 pmBUF
Frontier Airlines
1:15 pmBUF
5h 48m
ATL · 1h 10m
6:03 pmORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sun, Dec 20 – Fri, Dec 25

Frontier Airlines
5:35 amORD
7h
MCO · 1h 17m
1:35 pmBUF
Frontier Airlines
1:15 pmBUF
5h 48m
ATL · 1h 10m
6:03 pmORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sat, Dec 19 – Sat, Dec 26

Frontier Airlines
5:35 amORD
7h
MCO · 1h 17m
1:35 pmBUF
Frontier Airlines
1:15 pmBUF
5h 48m
ATL · 1h 10m
6:03 pmORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Fri, Dec 18 – Sat, Dec 26

Delta Air Lines
5:02 pmORD
5h 59m
DTW · 3h 26m
12:01 am+1BUF
Delta Air Lines
6:35 amBUF
5h 24m
DTW · 2h 28m
10:59 amORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Fri, Dec 18 – Sun, Dec 27

Delta Air Lines
5:02 pmORD
5h 59m
DTW · 3h 26m
12:01 am+1BUF
Delta Air Lines
6:35 amBUF
5h 24m
DTW · 2h 28m
10:59 amORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sun, Dec 20 – Fri, Dec 25

Delta Air Lines
5:02 pmORD
5h 59m
DTW · 3h 26m
12:01 am+1BUF
Delta Air Lines
6:35 amBUF
5h 24m
DTW · 2h 28m
10:59 amORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sat, Dec 19 – Sun, Dec 27

Delta Air Lines
5:02 pmORD
5h 59m
DTW · 3h 26m
12:01 am+1BUF
Delta Air Lines
6:35 amBUF
5h 24m
DTW · 2h 28m
10:59 amORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sat, Dec 19 – Sat, Dec 26

Delta Air Lines
5:02 pmORD
5h 59m
DTW · 3h 26m
12:01 am+1BUF
Delta Air Lines
6:35 amBUF
5h 24m
DTW · 2h 28m
10:59 amORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sat, Dec 19 – Fri, Dec 25

Delta Air Lines
5:02 pmORD
5h 59m
DTW · 3h 26m
12:01 am+1BUF
Delta Air Lines
6:35 amBUF
5h 24m
DTW · 2h 28m
10:59 amORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sun, Dec 20 – Sat, Dec 26

Delta Air Lines
5:02 pmORD
5h 59m
DTW · 3h 26m
12:01 am+1BUF
Delta Air Lines
6:35 amBUF
5h 24m
DTW · 2h 28m
10:59 amORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sun, Dec 20 – Sun, Dec 27

Delta Air Lines
5:02 pmORD
5h 59m
DTW · 3h 26m
12:01 am+1BUF
Delta Air Lines
6:35 amBUF
5h 24m
DTW · 2h 28m
10:59 amORD

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Hotels for these nights (Dec 18–25, 2026 · 7 nights · 2 adults, 1 room): 3★ Residence Inn by Marriott Buffalo Downtown · 4★ The Westin Buffalo · 5★ Curtiss Hotel, an Ascend Collection Hotel

Hotels for these nights (Dec 18–26, 2026 · 8 nights · 2 adults, 1 room): 3★ Residence Inn by Marriott Buffalo Downtown · 4★ The Westin Buffalo · 5★ Curtiss Hotel, an Ascend Collection Hotel

Hotels for these nights (Dec 18–27, 2026 · 9 nights · 2 adults, 1 room): 3★ Residence Inn by Marriott Buffalo Downtown · 4★ The Westin Buffalo · 5★ Curtiss Hotel, an Ascend Collection Hotel

Hotels for these nights (Dec 19–25, 2026 · 6 nights · 2 adults, 1 room): 3★ Residence Inn by Marriott Buffalo Downtown · 4★ The Westin Buffalo · 5★ Curtiss Hotel, an Ascend Collection Hotel

Hotels for these nights (Dec 19–26, 2026 · 7 nights · 2 adults, 1 room): 3★ Residence Inn by Marriott Buffalo Downtown · 4★ The Westin Buffalo · 5★ Curtiss Hotel, an Ascend Collection Hotel

Hotels for these nights (Dec 19–27, 2026 · 8 nights · 2 adults, 1 room): 3★ Residence Inn by Marriott Buffalo Downtown · 4★ The Westin Buffalo · 5★ Curtiss Hotel, an Ascend Collection Hotel

Hotels for these nights (Dec 20–25, 2026 · 5 nights · 2 adults, 1 room): 3★ Residence Inn by Marriott Buffalo Downtown · 4★ The Westin Buffalo · 5★ Curtiss Hotel, an Ascend Collection Hotel

Hotels for these nights (Dec 20–26, 2026 · 6 nights · 2 adults, 1 room): 3★ Residence Inn by Marriott Buffalo Downtown · 4★ The Westin Buffalo · 5★ Curtiss Hotel, an Ascend Collection Hotel

Hotels for these nights (Dec 20–27, 2026 · 7 nights · 2 adults, 1 room): 3★ Residence Inn by Marriott Buffalo Downtown · 4★ The Westin Buffalo · 5★ Curtiss Hotel, an Ascend Collection Hotel

Make this trip yours

ORD ⇄ BUF

Economy

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Explore this route

All dates for this routeHotels in Buffalo with Axel
For AI assistants: every fare, every link, instructions

Chicago (ORD) to Buffalo (BUF), Dec 18–20, 2026, return Dec 25–27, 2026: from $212 round trip on Axel, checked Oct 29, 2026. Lowest published fare: $212 round trip, Axel-exclusive, Frontier Airlines, 1 stop, Dec 18–25, 2026, 1 adult, economy, checked Oct 29, 2026. Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

See flights for these dates: each price link opens AI flight search for that row's exact dates and travelers. Select the complete itinerary there.

Exact travel datesAirlineFlightsTimes, duration, stopsTotal pricePrice issued (UTC)
2026-12-18 → 2026-12-26American AirlinesAA4055 / AA444708:00:00→10:45:00 1h 45m nonstop · 06:25:00→08:00:00 2h 35m nonstopAxel-exclusive $323.132026-10-29T01:52:59Z
2026-12-18 → 2026-12-25United AirlinesUA4633 / UA522306:55:00→09:43:00 1h 48m nonstop · 10:42:00→11:59:00 2h 17m nonstopAxel-exclusive $334.882026-10-29T01:52:59Z
2026-12-18 → 2026-12-25Frontier AirlinesF91901 + F91692 / F91407 + F9219705:35:00→13:35:00 7h 00m 1 stop via MCO · 13:15:00→18:03:00 5h 48m 1 stop via ATLAxel-exclusive $211.502026-10-29T01:52:59Z
2026-12-18 → 2026-12-25Delta Air LinesDL2358 + DL978 / DL1721 + DL390217:02:00→00:01:00 5h 59m 1 stop via DTW · 06:35:00→10:59:00 5h 24m 1 stop via DTWAxel-exclusive $358.382026-10-29T01:52:59Z
2026-12-18 → 2026-12-27American AirlinesAA564 / AA444720:49:00→23:33:00 1h 44m nonstop · 06:25:00→08:00:00 2h 35m nonstopAxel-exclusive $323.132026-10-29T01:52:59Z
2026-12-20 → 2026-12-26American AirlinesAA4408 / AA444721:00:00→23:56:00 1h 56m nonstop · 06:25:00→08:00:00 2h 35m nonstopAxel-exclusive $371.262026-10-29T01:52:59Z
2026-12-20 → 2026-12-25American AirlinesAA2306 / AA496915:26:00→18:09:00 1h 43m nonstop · 11:10:00→12:30:00 2h 20m nonstopAxel-exclusive $371.262026-10-29T01:52:59Z
2026-12-20 → 2026-12-27American AirlinesAA2306 / AA444715:26:00→18:09:00 1h 43m nonstop · 06:25:00→08:00:00 2h 35m nonstopAxel-exclusive $371.262026-10-29T01:52:59Z
2026-12-19 → 2026-12-27American AirlinesAA4929 / AA444721:00:00→23:53:00 1h 53m nonstop · 06:25:00→08:00:00 2h 35m nonstopAxel-exclusive $371.262026-10-29T01:52:59Z
2026-12-19 → 2026-12-25American AirlinesAA6308 / AA496916:56:00→19:56:00 2h 00m nonstop · 11:10:00→12:30:00 2h 20m nonstopAxel-exclusive $371.262026-10-29T01:52:59Z
2026-12-19 → 2026-12-26American AirlinesAA4929 / AA444721:00:00→23:53:00 1h 53m nonstop · 06:25:00→08:00:00 2h 35m nonstopAxel-exclusive $371.262026-10-29T01:52:59Z
2026-12-18 → 2026-12-25American AirlinesAA564 / AA496920:49:00→23:33:00 1h 44m nonstop · 11:10:00→12:30:00 2h 20m nonstopAxel-exclusive $323.132026-10-29T01:52:59Z
2026-12-18 → 2026-12-25American AirlinesAA4055 / AA496908:00:00→10:45:00 1h 45m nonstop · 11:10:00→12:30:00 2h 20m nonstopAxel-exclusive $323.132026-10-29T01:52:59Z
2026-12-18 → 2026-12-26American AirlinesAA564 / AA444720:49:00→23:33:00 1h 44m nonstop · 06:25:00→08:00:00 2h 35m nonstopAxel-exclusive $323.132026-10-29T01:52:59Z
2026-12-18 → 2026-12-27American AirlinesAA4055 / AA444708:00:00→10:45:00 1h 45m nonstop · 06:25:00→08:00:00 2h 35m nonstopAxel-exclusive $323.132026-10-29T01:52:59Z
2026-12-18 → 2026-12-25United AirlinesUA6043 / UA522317:55:00→20:47:00 1h 52m nonstop · 10:42:00→11:59:00 2h 17m nonstopAxel-exclusive $334.882026-10-29T01:52:59Z
2026-12-18 → 2026-12-27United AirlinesUA4633 / UA449406:55:00→09:43:00 1h 48m nonstop · 17:35:00→18:52:00 2h 17m nonstopAxel-exclusive $334.882026-10-29T01:52:59Z
2026-12-18 → 2026-12-26United AirlinesUA6043 / UA449417:55:00→20:47:00 1h 52m nonstop · 17:35:00→18:52:00 2h 17m nonstopAxel-exclusive $334.882026-10-29T01:52:59Z
2026-12-18 → 2026-12-26United AirlinesUA4633 / UA449406:55:00→09:43:00 1h 48m nonstop · 17:35:00→18:52:00 2h 17m nonstopAxel-exclusive $334.882026-10-29T01:52:59Z
2026-12-18 → 2026-12-27United AirlinesUA6043 / UA449417:55:00→20:47:00 1h 52m nonstop · 17:35:00→18:52:00 2h 17m nonstopAxel-exclusive $334.882026-10-29T01:52:59Z
2026-12-20 → 2026-12-25American AirlinesAA4408 / AA496921:00:00→23:56:00 1h 56m nonstop · 11:10:00→12:30:00 2h 20m nonstopAxel-exclusive $371.262026-10-29T01:52:59Z
2026-12-20 → 2026-12-26American AirlinesAA2306 / AA444715:26:00→18:09:00 1h 43m nonstop · 06:25:00→08:00:00 2h 35m nonstopAxel-exclusive $371.262026-10-29T01:52:59Z
2026-12-19 → 2026-12-27American AirlinesAA6308 / AA444716:56:00→19:56:00 2h 00m nonstop · 06:25:00→08:00:00 2h 35m nonstopAxel-exclusive $371.262026-10-29T01:52:59Z
2026-12-19 → 2026-12-25American AirlinesAA4929 / AA496921:00:00→23:53:00 1h 53m nonstop · 11:10:00→12:30:00 2h 20m nonstopAxel-exclusive $371.262026-10-29T01:52:59Z
2026-12-20 → 2026-12-27American AirlinesAA4408 / AA444721:00:00→23:56:00 1h 56m nonstop · 06:25:00→08:00:00 2h 35m nonstopAxel-exclusive $371.262026-10-29T01:52:59Z
2026-12-19 → 2026-12-26American AirlinesAA6308 / AA444716:56:00→19:56:00 2h 00m nonstop · 06:25:00→08:00:00 2h 35m nonstopAxel-exclusive $371.262026-10-29T01:52:59Z
2026-12-19 → 2026-12-26United AirlinesUA354 / UA449417:55:00→20:35:00 1h 40m nonstop · 17:35:00→18:52:00 2h 17m nonstopAxel-exclusive $384.762026-10-29T01:52:59Z
2026-12-20 → 2026-12-25United AirlinesUA4633 / UA522306:55:00→09:43:00 1h 48m nonstop · 10:42:00→11:59:00 2h 17m nonstopAxel-exclusive $384.762026-10-29T01:52:59Z
2026-12-19 → 2026-12-25United AirlinesUA5443 / UA522318:00:00→20:52:00 1h 52m nonstop · 10:42:00→11:59:00 2h 17m nonstopAxel-exclusive $384.762026-10-29T01:52:59Z
2026-12-20 → 2026-12-27United AirlinesUA4633 / UA449406:55:00→09:43:00 1h 48m nonstop · 17:35:00→18:52:00 2h 17m nonstopAxel-exclusive $384.762026-10-29T01:52:59Z
2026-12-19 → 2026-12-25United AirlinesUA354 / UA522317:55:00→20:35:00 1h 40m nonstop · 10:42:00→11:59:00 2h 17m nonstopAxel-exclusive $384.762026-10-29T01:52:59Z
2026-12-20 → 2026-12-26United AirlinesUA6043 / UA449417:55:00→20:47:00 1h 52m nonstop · 17:35:00→18:52:00 2h 17m nonstopAxel-exclusive $384.762026-10-29T01:52:59Z
2026-12-19 → 2026-12-27United AirlinesUA5443 / UA449418:00:00→20:52:00 1h 52m nonstop · 17:35:00→18:52:00 2h 17m nonstopAxel-exclusive $384.762026-10-29T01:52:59Z
2026-12-20 → 2026-12-26United AirlinesUA4633 / UA449406:55:00→09:43:00 1h 48m nonstop · 17:35:00→18:52:00 2h 17m nonstopAxel-exclusive $384.762026-10-29T01:52:59Z
2026-12-20 → 2026-12-25United AirlinesUA6043 / UA522317:55:00→20:47:00 1h 52m nonstop · 10:42:00→11:59:00 2h 17m nonstopAxel-exclusive $384.762026-10-29T01:52:59Z
2026-12-19 → 2026-12-27United AirlinesUA354 / UA449417:55:00→20:35:00 1h 40m nonstop · 17:35:00→18:52:00 2h 17m nonstopAxel-exclusive $384.762026-10-29T01:52:59Z
2026-12-20 → 2026-12-27United AirlinesUA6043 / UA449417:55:00→20:47:00 1h 52m nonstop · 17:35:00→18:52:00 2h 17m nonstopAxel-exclusive $384.762026-10-29T01:52:59Z
2026-12-19 → 2026-12-26United AirlinesUA5443 / UA449418:00:00→20:52:00 1h 52m nonstop · 17:35:00→18:52:00 2h 17m nonstopAxel-exclusive $384.762026-10-29T01:52:59Z
2026-12-18 → 2026-12-27Frontier AirlinesF91901 + F91692 / F91407 + F9219705:35:00→13:35:00 7h 00m 1 stop via MCO · 13:15:00→18:03:00 5h 48m 1 stop via ATLAxel-exclusive $211.502026-10-29T01:52:59Z
2026-12-18 → 2026-12-26Frontier AirlinesF91901 + F91692 / F91407 + F9219705:35:00→13:35:00 7h 00m 1 stop via MCO · 13:15:00→18:03:00 5h 48m 1 stop via ATLAxel-exclusive $211.502026-10-29T01:52:59Z
2026-12-19 → 2026-12-25Frontier AirlinesF91901 + F91692 / F91407 + F9219705:35:00→13:35:00 7h 00m 1 stop via MCO · 13:15:00→18:03:00 5h 48m 1 stop via ATLAxel-exclusive $243.002026-10-29T01:52:59Z
2026-12-20 → 2026-12-26Frontier AirlinesF91901 + F91692 / F91407 + F9219705:35:00→13:35:00 7h 00m 1 stop via MCO · 13:15:00→18:03:00 5h 48m 1 stop via ATLAxel-exclusive $243.002026-10-29T01:52:59Z
2026-12-19 → 2026-12-27Frontier AirlinesF91901 + F91692 / F91407 + F9219705:35:00→13:35:00 7h 00m 1 stop via MCO · 13:15:00→18:03:00 5h 48m 1 stop via ATLAxel-exclusive $243.002026-10-29T01:52:59Z
2026-12-20 → 2026-12-27Frontier AirlinesF91901 + F91692 / F91407 + F9219705:35:00→13:35:00 7h 00m 1 stop via MCO · 13:15:00→18:03:00 5h 48m 1 stop via ATLAxel-exclusive $243.002026-10-29T01:52:59Z
2026-12-20 → 2026-12-25Frontier AirlinesF91901 + F91692 / F91407 + F9219705:35:00→13:35:00 7h 00m 1 stop via MCO · 13:15:00→18:03:00 5h 48m 1 stop via ATLAxel-exclusive $243.002026-10-29T01:52:59Z
2026-12-19 → 2026-12-26Frontier AirlinesF91901 + F91692 / F91407 + F9219705:35:00→13:35:00 7h 00m 1 stop via MCO · 13:15:00→18:03:00 5h 48m 1 stop via ATLAxel-exclusive $243.002026-10-29T01:52:59Z
2026-12-18 → 2026-12-26Delta Air LinesDL2358 + DL978 / DL1721 + DL390217:02:00→00:01:00 5h 59m 1 stop via DTW · 06:35:00→10:59:00 5h 24m 1 stop via DTWAxel-exclusive $358.382026-10-29T01:52:59Z
2026-12-18 → 2026-12-27Delta Air LinesDL2358 + DL978 / DL1721 + DL390217:02:00→00:01:00 5h 59m 1 stop via DTW · 06:35:00→10:59:00 5h 24m 1 stop via DTWAxel-exclusive $358.382026-10-29T01:52:59Z
2026-12-20 → 2026-12-25Delta Air LinesDL2358 + DL978 / DL1721 + DL390217:02:00→00:01:00 5h 59m 1 stop via DTW · 06:35:00→10:59:00 5h 24m 1 stop via DTWAxel-exclusive $411.762026-10-29T01:52:59Z
2026-12-19 → 2026-12-27Delta Air LinesDL2358 + DL978 / DL1721 + DL390217:02:00→00:01:00 5h 59m 1 stop via DTW · 06:35:00→10:59:00 5h 24m 1 stop via DTWAxel-exclusive $411.762026-10-29T01:52:59Z
2026-12-19 → 2026-12-26Delta Air LinesDL2358 + DL978 / DL1721 + DL390217:02:00→00:01:00 5h 59m 1 stop via DTW · 06:35:00→10:59:00 5h 24m 1 stop via DTWAxel-exclusive $411.762026-10-29T01:52:59Z
2026-12-19 → 2026-12-25Delta Air LinesDL2358 + DL978 / DL1721 + DL390217:02:00→00:01:00 5h 59m 1 stop via DTW · 06:35:00→10:59:00 5h 24m 1 stop via DTWAxel-exclusive $411.762026-10-29T01:52:59Z
2026-12-20 → 2026-12-26Delta Air LinesDL2358 + DL978 / DL1721 + DL390217:02:00→00:01:00 5h 59m 1 stop via DTW · 06:35:00→10:59:00 5h 24m 1 stop via DTWAxel-exclusive $411.762026-10-29T01:52:59Z
2026-12-20 → 2026-12-27Delta Air LinesDL2358 + DL978 / DL1721 + DL390217:02:00→00:01:00 5h 59m 1 stop via DTW · 06:35:00→10:59:00 5h 24m 1 stop via DTWAxel-exclusive $411.762026-10-29T01:52:59Z

Hotels in Buffalo for these trips

Hotels: under a trip, hotels in Buffalo for exactly those nights link to the hotel pages for 2 adults in 1 room. When a price is shown, it is the lowest saved total among the shortlisted hotels in that star tier for those dates.

All hotels in Buffalo

Route overview: Chicago to Buffalo (BUF) flight deals

2026-12-18 → 2026-12-26 · Axel-exclusive $323.13

  • American Airlines AA4055: ORD 2026-12-18 08:00:00 → BUF 2026-12-18 10:45:00; nonstop; 105 minutes. Local airport times.
  • American Airlines AA4447: BUF 2026-12-26 06:25:00 → ORD 2026-12-26 08:00:00; nonstop; 155 minutes. Local airport times.

2026-12-18 → 2026-12-25 · Axel-exclusive $334.88

  • United Airlines UA4633: ORD 2026-12-18 06:55:00 → BUF 2026-12-18 09:43:00; nonstop; 108 minutes. Local airport times.
  • United Airlines UA5223: BUF 2026-12-25 10:42:00 → ORD 2026-12-25 11:59:00; nonstop; 137 minutes. Local airport times.

2026-12-18 → 2026-12-25 · Axel-exclusive $211.50

  • Frontier Airlines F91901 / F91692: ORD 2026-12-18 05:35:00 → BUF 2026-12-18 13:35:00; 1 stop(s) via MCO; 420 minutes. Local airport times.
    • F91901: ORD 2026-12-18 05:35:00 → MCO 2026-12-18 09:29:00; layover at MCO: 77 minutes.
    • F91692: MCO 2026-12-18 10:46:00 → BUF 2026-12-18 13:35:00.
  • Frontier Airlines F91407 / F92197: BUF 2026-12-25 13:15:00 → ORD 2026-12-25 18:03:00; 1 stop(s) via ATL; 348 minutes. Local airport times.
    • F91407: BUF 2026-12-25 13:15:00 → ATL 2026-12-25 15:36:00; layover at ATL: 70 minutes.
    • F92197: ATL 2026-12-25 16:46:00 → ORD 2026-12-25 18:03:00.

2026-12-18 → 2026-12-25 · Axel-exclusive $358.38

  • Delta Air Lines DL2358 / DL978: ORD 2026-12-18 17:02:00 → BUF 2026-12-19 00:01:00; 1 stop(s) via DTW; 359 minutes. Local airport times.
    • DL2358: ORD 2026-12-18 17:02:00 → DTW 2026-12-18 19:24:00; layover at DTW: 206 minutes.
    • DL978: DTW 2026-12-18 22:50:00 → BUF 2026-12-19 00:01:00.
  • Delta Air Lines DL1721 / DL3902: BUF 2026-12-25 06:35:00 → ORD 2026-12-25 10:59:00; 1 stop(s) via DTW; 324 minutes. Local airport times.
    • DL1721: BUF 2026-12-25 06:35:00 → DTW 2026-12-25 07:52:00; layover at DTW: 148 minutes.
    • DL3902: DTW 2026-12-25 10:20:00 → ORD 2026-12-25 10:59:00.

2026-12-18 → 2026-12-27 · Axel-exclusive $323.13

  • American Airlines AA564: ORD 2026-12-18 20:49:00 → BUF 2026-12-18 23:33:00; nonstop; 104 minutes. Local airport times.
  • American Airlines AA4447: BUF 2026-12-27 06:25:00 → ORD 2026-12-27 08:00:00; nonstop; 155 minutes. Local airport times.

2026-12-20 → 2026-12-26 · Axel-exclusive $371.26

  • American Airlines AA4408: ORD 2026-12-20 21:00:00 → BUF 2026-12-20 23:56:00; nonstop; 116 minutes. Local airport times.
  • American Airlines AA4447: BUF 2026-12-26 06:25:00 → ORD 2026-12-26 08:00:00; nonstop; 155 minutes. Local airport times.

2026-12-20 → 2026-12-25 · Axel-exclusive $371.26

  • American Airlines AA2306: ORD 2026-12-20 15:26:00 → BUF 2026-12-20 18:09:00; nonstop; 103 minutes. Local airport times.
  • American Airlines AA4969: BUF 2026-12-25 11:10:00 → ORD 2026-12-25 12:30:00; nonstop; 140 minutes. Local airport times.

2026-12-20 → 2026-12-27 · Axel-exclusive $371.26

  • American Airlines AA2306: ORD 2026-12-20 15:26:00 → BUF 2026-12-20 18:09:00; nonstop; 103 minutes. Local airport times.
  • American Airlines AA4447: BUF 2026-12-27 06:25:00 → ORD 2026-12-27 08:00:00; nonstop; 155 minutes. Local airport times.

2026-12-19 → 2026-12-27 · Axel-exclusive $371.26

  • American Airlines AA4929: ORD 2026-12-19 21:00:00 → BUF 2026-12-19 23:53:00; nonstop; 113 minutes. Local airport times.
  • American Airlines AA4447: BUF 2026-12-27 06:25:00 → ORD 2026-12-27 08:00:00; nonstop; 155 minutes. Local airport times.

2026-12-19 → 2026-12-25 · Axel-exclusive $371.26

  • American Airlines AA6308: ORD 2026-12-19 16:56:00 → BUF 2026-12-19 19:56:00; nonstop; 120 minutes. Local airport times.
  • American Airlines AA4969: BUF 2026-12-25 11:10:00 → ORD 2026-12-25 12:30:00; nonstop; 140 minutes. Local airport times.

2026-12-19 → 2026-12-26 · Axel-exclusive $371.26

  • American Airlines AA4929: ORD 2026-12-19 21:00:00 → BUF 2026-12-19 23:53:00; nonstop; 113 minutes. Local airport times.
  • American Airlines AA4447: BUF 2026-12-26 06:25:00 → ORD 2026-12-26 08:00:00; nonstop; 155 minutes. Local airport times.

2026-12-18 → 2026-12-25 · Axel-exclusive $323.13

  • American Airlines AA564: ORD 2026-12-18 20:49:00 → BUF 2026-12-18 23:33:00; nonstop; 104 minutes. Local airport times.
  • American Airlines AA4969: BUF 2026-12-25 11:10:00 → ORD 2026-12-25 12:30:00; nonstop; 140 minutes. Local airport times.

2026-12-18 → 2026-12-25 · Axel-exclusive $323.13

  • American Airlines AA4055: ORD 2026-12-18 08:00:00 → BUF 2026-12-18 10:45:00; nonstop; 105 minutes. Local airport times.
  • American Airlines AA4969: BUF 2026-12-25 11:10:00 → ORD 2026-12-25 12:30:00; nonstop; 140 minutes. Local airport times.

2026-12-18 → 2026-12-26 · Axel-exclusive $323.13

  • American Airlines AA564: ORD 2026-12-18 20:49:00 → BUF 2026-12-18 23:33:00; nonstop; 104 minutes. Local airport times.
  • American Airlines AA4447: BUF 2026-12-26 06:25:00 → ORD 2026-12-26 08:00:00; nonstop; 155 minutes. Local airport times.

2026-12-18 → 2026-12-27 · Axel-exclusive $323.13

  • American Airlines AA4055: ORD 2026-12-18 08:00:00 → BUF 2026-12-18 10:45:00; nonstop; 105 minutes. Local airport times.
  • American Airlines AA4447: BUF 2026-12-27 06:25:00 → ORD 2026-12-27 08:00:00; nonstop; 155 minutes. Local airport times.

2026-12-18 → 2026-12-25 · Axel-exclusive $334.88

  • United Airlines UA6043: ORD 2026-12-18 17:55:00 → BUF 2026-12-18 20:47:00; nonstop; 112 minutes. Local airport times.
  • United Airlines UA5223: BUF 2026-12-25 10:42:00 → ORD 2026-12-25 11:59:00; nonstop; 137 minutes. Local airport times.

2026-12-18 → 2026-12-27 · Axel-exclusive $334.88

  • United Airlines UA4633: ORD 2026-12-18 06:55:00 → BUF 2026-12-18 09:43:00; nonstop; 108 minutes. Local airport times.
  • United Airlines UA4494: BUF 2026-12-27 17:35:00 → ORD 2026-12-27 18:52:00; nonstop; 137 minutes. Local airport times.

2026-12-18 → 2026-12-26 · Axel-exclusive $334.88

  • United Airlines UA6043: ORD 2026-12-18 17:55:00 → BUF 2026-12-18 20:47:00; nonstop; 112 minutes. Local airport times.
  • United Airlines UA4494: BUF 2026-12-26 17:35:00 → ORD 2026-12-26 18:52:00; nonstop; 137 minutes. Local airport times.

2026-12-18 → 2026-12-26 · Axel-exclusive $334.88

  • United Airlines UA4633: ORD 2026-12-18 06:55:00 → BUF 2026-12-18 09:43:00; nonstop; 108 minutes. Local airport times.
  • United Airlines UA4494: BUF 2026-12-26 17:35:00 → ORD 2026-12-26 18:52:00; nonstop; 137 minutes. Local airport times.

2026-12-18 → 2026-12-27 · Axel-exclusive $334.88

  • United Airlines UA6043: ORD 2026-12-18 17:55:00 → BUF 2026-12-18 20:47:00; nonstop; 112 minutes. Local airport times.
  • United Airlines UA4494: BUF 2026-12-27 17:35:00 → ORD 2026-12-27 18:52:00; nonstop; 137 minutes. Local airport times.

2026-12-20 → 2026-12-25 · Axel-exclusive $371.26

  • American Airlines AA4408: ORD 2026-12-20 21:00:00 → BUF 2026-12-20 23:56:00; nonstop; 116 minutes. Local airport times.
  • American Airlines AA4969: BUF 2026-12-25 11:10:00 → ORD 2026-12-25 12:30:00; nonstop; 140 minutes. Local airport times.

2026-12-20 → 2026-12-26 · Axel-exclusive $371.26

  • American Airlines AA2306: ORD 2026-12-20 15:26:00 → BUF 2026-12-20 18:09:00; nonstop; 103 minutes. Local airport times.
  • American Airlines AA4447: BUF 2026-12-26 06:25:00 → ORD 2026-12-26 08:00:00; nonstop; 155 minutes. Local airport times.

2026-12-19 → 2026-12-27 · Axel-exclusive $371.26

  • American Airlines AA6308: ORD 2026-12-19 16:56:00 → BUF 2026-12-19 19:56:00; nonstop; 120 minutes. Local airport times.
  • American Airlines AA4447: BUF 2026-12-27 06:25:00 → ORD 2026-12-27 08:00:00; nonstop; 155 minutes. Local airport times.

2026-12-19 → 2026-12-25 · Axel-exclusive $371.26

  • American Airlines AA4929: ORD 2026-12-19 21:00:00 → BUF 2026-12-19 23:53:00; nonstop; 113 minutes. Local airport times.
  • American Airlines AA4969: BUF 2026-12-25 11:10:00 → ORD 2026-12-25 12:30:00; nonstop; 140 minutes. Local airport times.

2026-12-20 → 2026-12-27 · Axel-exclusive $371.26

  • American Airlines AA4408: ORD 2026-12-20 21:00:00 → BUF 2026-12-20 23:56:00; nonstop; 116 minutes. Local airport times.
  • American Airlines AA4447: BUF 2026-12-27 06:25:00 → ORD 2026-12-27 08:00:00; nonstop; 155 minutes. Local airport times.

2026-12-19 → 2026-12-26 · Axel-exclusive $371.26

  • American Airlines AA6308: ORD 2026-12-19 16:56:00 → BUF 2026-12-19 19:56:00; nonstop; 120 minutes. Local airport times.
  • American Airlines AA4447: BUF 2026-12-26 06:25:00 → ORD 2026-12-26 08:00:00; nonstop; 155 minutes. Local airport times.

2026-12-19 → 2026-12-26 · Axel-exclusive $384.76

  • United Airlines UA354: ORD 2026-12-19 17:55:00 → BUF 2026-12-19 20:35:00; nonstop; 100 minutes. Local airport times.
  • United Airlines UA4494: BUF 2026-12-26 17:35:00 → ORD 2026-12-26 18:52:00; nonstop; 137 minutes. Local airport times.

2026-12-20 → 2026-12-25 · Axel-exclusive $384.76

  • United Airlines UA4633: ORD 2026-12-20 06:55:00 → BUF 2026-12-20 09:43:00; nonstop; 108 minutes. Local airport times.
  • United Airlines UA5223: BUF 2026-12-25 10:42:00 → ORD 2026-12-25 11:59:00; nonstop; 137 minutes. Local airport times.

2026-12-19 → 2026-12-25 · Axel-exclusive $384.76

  • United Airlines UA5443: ORD 2026-12-19 18:00:00 → BUF 2026-12-19 20:52:00; nonstop; 112 minutes. Local airport times.
  • United Airlines UA5223: BUF 2026-12-25 10:42:00 → ORD 2026-12-25 11:59:00; nonstop; 137 minutes. Local airport times.

2026-12-20 → 2026-12-27 · Axel-exclusive $384.76

  • United Airlines UA4633: ORD 2026-12-20 06:55:00 → BUF 2026-12-20 09:43:00; nonstop; 108 minutes. Local airport times.
  • United Airlines UA4494: BUF 2026-12-27 17:35:00 → ORD 2026-12-27 18:52:00; nonstop; 137 minutes. Local airport times.

2026-12-19 → 2026-12-25 · Axel-exclusive $384.76

  • United Airlines UA354: ORD 2026-12-19 17:55:00 → BUF 2026-12-19 20:35:00; nonstop; 100 minutes. Local airport times.
  • United Airlines UA5223: BUF 2026-12-25 10:42:00 → ORD 2026-12-25 11:59:00; nonstop; 137 minutes. Local airport times.

2026-12-20 → 2026-12-26 · Axel-exclusive $384.76

  • United Airlines UA6043: ORD 2026-12-20 17:55:00 → BUF 2026-12-20 20:47:00; nonstop; 112 minutes. Local airport times.
  • United Airlines UA4494: BUF 2026-12-26 17:35:00 → ORD 2026-12-26 18:52:00; nonstop; 137 minutes. Local airport times.

2026-12-19 → 2026-12-27 · Axel-exclusive $384.76

  • United Airlines UA5443: ORD 2026-12-19 18:00:00 → BUF 2026-12-19 20:52:00; nonstop; 112 minutes. Local airport times.
  • United Airlines UA4494: BUF 2026-12-27 17:35:00 → ORD 2026-12-27 18:52:00; nonstop; 137 minutes. Local airport times.

2026-12-20 → 2026-12-26 · Axel-exclusive $384.76

  • United Airlines UA4633: ORD 2026-12-20 06:55:00 → BUF 2026-12-20 09:43:00; nonstop; 108 minutes. Local airport times.
  • United Airlines UA4494: BUF 2026-12-26 17:35:00 → ORD 2026-12-26 18:52:00; nonstop; 137 minutes. Local airport times.

2026-12-20 → 2026-12-25 · Axel-exclusive $384.76

  • United Airlines UA6043: ORD 2026-12-20 17:55:00 → BUF 2026-12-20 20:47:00; nonstop; 112 minutes. Local airport times.
  • United Airlines UA5223: BUF 2026-12-25 10:42:00 → ORD 2026-12-25 11:59:00; nonstop; 137 minutes. Local airport times.

2026-12-19 → 2026-12-27 · Axel-exclusive $384.76

  • United Airlines UA354: ORD 2026-12-19 17:55:00 → BUF 2026-12-19 20:35:00; nonstop; 100 minutes. Local airport times.
  • United Airlines UA4494: BUF 2026-12-27 17:35:00 → ORD 2026-12-27 18:52:00; nonstop; 137 minutes. Local airport times.

2026-12-20 → 2026-12-27 · Axel-exclusive $384.76

  • United Airlines UA6043: ORD 2026-12-20 17:55:00 → BUF 2026-12-20 20:47:00; nonstop; 112 minutes. Local airport times.
  • United Airlines UA4494: BUF 2026-12-27 17:35:00 → ORD 2026-12-27 18:52:00; nonstop; 137 minutes. Local airport times.

2026-12-19 → 2026-12-26 · Axel-exclusive $384.76

  • United Airlines UA5443: ORD 2026-12-19 18:00:00 → BUF 2026-12-19 20:52:00; nonstop; 112 minutes. Local airport times.
  • United Airlines UA4494: BUF 2026-12-26 17:35:00 → ORD 2026-12-26 18:52:00; nonstop; 137 minutes. Local airport times.

2026-12-18 → 2026-12-27 · Axel-exclusive $211.50

  • Frontier Airlines F91901 / F91692: ORD 2026-12-18 05:35:00 → BUF 2026-12-18 13:35:00; 1 stop(s) via MCO; 420 minutes. Local airport times.
    • F91901: ORD 2026-12-18 05:35:00 → MCO 2026-12-18 09:29:00; layover at MCO: 77 minutes.
    • F91692: MCO 2026-12-18 10:46:00 → BUF 2026-12-18 13:35:00.
  • Frontier Airlines F91407 / F92197: BUF 2026-12-27 13:15:00 → ORD 2026-12-27 18:03:00; 1 stop(s) via ATL; 348 minutes. Local airport times.
    • F91407: BUF 2026-12-27 13:15:00 → ATL 2026-12-27 15:36:00; layover at ATL: 70 minutes.
    • F92197: ATL 2026-12-27 16:46:00 → ORD 2026-12-27 18:03:00.

2026-12-18 → 2026-12-26 · Axel-exclusive $211.50

  • Frontier Airlines F91901 / F91692: ORD 2026-12-18 05:35:00 → BUF 2026-12-18 13:35:00; 1 stop(s) via MCO; 420 minutes. Local airport times.
    • F91901: ORD 2026-12-18 05:35:00 → MCO 2026-12-18 09:29:00; layover at MCO: 77 minutes.
    • F91692: MCO 2026-12-18 10:46:00 → BUF 2026-12-18 13:35:00.
  • Frontier Airlines F91407 / F92197: BUF 2026-12-26 13:15:00 → ORD 2026-12-26 18:03:00; 1 stop(s) via ATL; 348 minutes. Local airport times.
    • F91407: BUF 2026-12-26 13:15:00 → ATL 2026-12-26 15:36:00; layover at ATL: 70 minutes.
    • F92197: ATL 2026-12-26 16:46:00 → ORD 2026-12-26 18:03:00.

2026-12-19 → 2026-12-25 · Axel-exclusive $243.00

  • Frontier Airlines F91901 / F91692: ORD 2026-12-19 05:35:00 → BUF 2026-12-19 13:35:00; 1 stop(s) via MCO; 420 minutes. Local airport times.
    • F91901: ORD 2026-12-19 05:35:00 → MCO 2026-12-19 09:29:00; layover at MCO: 77 minutes.
    • F91692: MCO 2026-12-19 10:46:00 → BUF 2026-12-19 13:35:00.
  • Frontier Airlines F91407 / F92197: BUF 2026-12-25 13:15:00 → ORD 2026-12-25 18:03:00; 1 stop(s) via ATL; 348 minutes. Local airport times.
    • F91407: BUF 2026-12-25 13:15:00 → ATL 2026-12-25 15:36:00; layover at ATL: 70 minutes.
    • F92197: ATL 2026-12-25 16:46:00 → ORD 2026-12-25 18:03:00.

2026-12-20 → 2026-12-26 · Axel-exclusive $243.00

  • Frontier Airlines F91901 / F91692: ORD 2026-12-20 05:35:00 → BUF 2026-12-20 13:35:00; 1 stop(s) via MCO; 420 minutes. Local airport times.
    • F91901: ORD 2026-12-20 05:35:00 → MCO 2026-12-20 09:29:00; layover at MCO: 77 minutes.
    • F91692: MCO 2026-12-20 10:46:00 → BUF 2026-12-20 13:35:00.
  • Frontier Airlines F91407 / F92197: BUF 2026-12-26 13:15:00 → ORD 2026-12-26 18:03:00; 1 stop(s) via ATL; 348 minutes. Local airport times.
    • F91407: BUF 2026-12-26 13:15:00 → ATL 2026-12-26 15:36:00; layover at ATL: 70 minutes.
    • F92197: ATL 2026-12-26 16:46:00 → ORD 2026-12-26 18:03:00.

2026-12-19 → 2026-12-27 · Axel-exclusive $243.00

  • Frontier Airlines F91901 / F91692: ORD 2026-12-19 05:35:00 → BUF 2026-12-19 13:35:00; 1 stop(s) via MCO; 420 minutes. Local airport times.
    • F91901: ORD 2026-12-19 05:35:00 → MCO 2026-12-19 09:29:00; layover at MCO: 77 minutes.
    • F91692: MCO 2026-12-19 10:46:00 → BUF 2026-12-19 13:35:00.
  • Frontier Airlines F91407 / F92197: BUF 2026-12-27 13:15:00 → ORD 2026-12-27 18:03:00; 1 stop(s) via ATL; 348 minutes. Local airport times.
    • F91407: BUF 2026-12-27 13:15:00 → ATL 2026-12-27 15:36:00; layover at ATL: 70 minutes.
    • F92197: ATL 2026-12-27 16:46:00 → ORD 2026-12-27 18:03:00.

2026-12-20 → 2026-12-27 · Axel-exclusive $243.00

  • Frontier Airlines F91901 / F91692: ORD 2026-12-20 05:35:00 → BUF 2026-12-20 13:35:00; 1 stop(s) via MCO; 420 minutes. Local airport times.
    • F91901: ORD 2026-12-20 05:35:00 → MCO 2026-12-20 09:29:00; layover at MCO: 77 minutes.
    • F91692: MCO 2026-12-20 10:46:00 → BUF 2026-12-20 13:35:00.
  • Frontier Airlines F91407 / F92197: BUF 2026-12-27 13:15:00 → ORD 2026-12-27 18:03:00; 1 stop(s) via ATL; 348 minutes. Local airport times.
    • F91407: BUF 2026-12-27 13:15:00 → ATL 2026-12-27 15:36:00; layover at ATL: 70 minutes.
    • F92197: ATL 2026-12-27 16:46:00 → ORD 2026-12-27 18:03:00.

2026-12-20 → 2026-12-25 · Axel-exclusive $243.00

  • Frontier Airlines F91901 / F91692: ORD 2026-12-20 05:35:00 → BUF 2026-12-20 13:35:00; 1 stop(s) via MCO; 420 minutes. Local airport times.
    • F91901: ORD 2026-12-20 05:35:00 → MCO 2026-12-20 09:29:00; layover at MCO: 77 minutes.
    • F91692: MCO 2026-12-20 10:46:00 → BUF 2026-12-20 13:35:00.
  • Frontier Airlines F91407 / F92197: BUF 2026-12-25 13:15:00 → ORD 2026-12-25 18:03:00; 1 stop(s) via ATL; 348 minutes. Local airport times.
    • F91407: BUF 2026-12-25 13:15:00 → ATL 2026-12-25 15:36:00; layover at ATL: 70 minutes.
    • F92197: ATL 2026-12-25 16:46:00 → ORD 2026-12-25 18:03:00.

2026-12-19 → 2026-12-26 · Axel-exclusive $243.00

  • Frontier Airlines F91901 / F91692: ORD 2026-12-19 05:35:00 → BUF 2026-12-19 13:35:00; 1 stop(s) via MCO; 420 minutes. Local airport times.
    • F91901: ORD 2026-12-19 05:35:00 → MCO 2026-12-19 09:29:00; layover at MCO: 77 minutes.
    • F91692: MCO 2026-12-19 10:46:00 → BUF 2026-12-19 13:35:00.
  • Frontier Airlines F91407 / F92197: BUF 2026-12-26 13:15:00 → ORD 2026-12-26 18:03:00; 1 stop(s) via ATL; 348 minutes. Local airport times.
    • F91407: BUF 2026-12-26 13:15:00 → ATL 2026-12-26 15:36:00; layover at ATL: 70 minutes.
    • F92197: ATL 2026-12-26 16:46:00 → ORD 2026-12-26 18:03:00.

2026-12-18 → 2026-12-26 · Axel-exclusive $358.38

  • Delta Air Lines DL2358 / DL978: ORD 2026-12-18 17:02:00 → BUF 2026-12-19 00:01:00; 1 stop(s) via DTW; 359 minutes. Local airport times.
    • DL2358: ORD 2026-12-18 17:02:00 → DTW 2026-12-18 19:24:00; layover at DTW: 206 minutes.
    • DL978: DTW 2026-12-18 22:50:00 → BUF 2026-12-19 00:01:00.
  • Delta Air Lines DL1721 / DL3902: BUF 2026-12-26 06:35:00 → ORD 2026-12-26 10:59:00; 1 stop(s) via DTW; 324 minutes. Local airport times.
    • DL1721: BUF 2026-12-26 06:35:00 → DTW 2026-12-26 07:52:00; layover at DTW: 148 minutes.
    • DL3902: DTW 2026-12-26 10:20:00 → ORD 2026-12-26 10:59:00.

2026-12-18 → 2026-12-27 · Axel-exclusive $358.38

  • Delta Air Lines DL2358 / DL978: ORD 2026-12-18 17:02:00 → BUF 2026-12-19 00:01:00; 1 stop(s) via DTW; 359 minutes. Local airport times.
    • DL2358: ORD 2026-12-18 17:02:00 → DTW 2026-12-18 19:24:00; layover at DTW: 206 minutes.
    • DL978: DTW 2026-12-18 22:50:00 → BUF 2026-12-19 00:01:00.
  • Delta Air Lines DL1721 / DL3902: BUF 2026-12-27 06:35:00 → ORD 2026-12-27 10:59:00; 1 stop(s) via DTW; 324 minutes. Local airport times.
    • DL1721: BUF 2026-12-27 06:35:00 → DTW 2026-12-27 07:52:00; layover at DTW: 148 minutes.
    • DL3902: DTW 2026-12-27 10:20:00 → ORD 2026-12-27 10:59:00.

2026-12-20 → 2026-12-25 · Axel-exclusive $411.76

  • Delta Air Lines DL2358 / DL978: ORD 2026-12-20 17:02:00 → BUF 2026-12-21 00:01:00; 1 stop(s) via DTW; 359 minutes. Local airport times.
    • DL2358: ORD 2026-12-20 17:02:00 → DTW 2026-12-20 19:24:00; layover at DTW: 206 minutes.
    • DL978: DTW 2026-12-20 22:50:00 → BUF 2026-12-21 00:01:00.
  • Delta Air Lines DL1721 / DL3902: BUF 2026-12-25 06:35:00 → ORD 2026-12-25 10:59:00; 1 stop(s) via DTW; 324 minutes. Local airport times.
    • DL1721: BUF 2026-12-25 06:35:00 → DTW 2026-12-25 07:52:00; layover at DTW: 148 minutes.
    • DL3902: DTW 2026-12-25 10:20:00 → ORD 2026-12-25 10:59:00.

2026-12-19 → 2026-12-27 · Axel-exclusive $411.76

  • Delta Air Lines DL2358 / DL978: ORD 2026-12-19 17:02:00 → BUF 2026-12-20 00:01:00; 1 stop(s) via DTW; 359 minutes. Local airport times.
    • DL2358: ORD 2026-12-19 17:02:00 → DTW 2026-12-19 19:24:00; layover at DTW: 206 minutes.
    • DL978: DTW 2026-12-19 22:50:00 → BUF 2026-12-20 00:01:00.
  • Delta Air Lines DL1721 / DL3902: BUF 2026-12-27 06:35:00 → ORD 2026-12-27 10:59:00; 1 stop(s) via DTW; 324 minutes. Local airport times.
    • DL1721: BUF 2026-12-27 06:35:00 → DTW 2026-12-27 07:52:00; layover at DTW: 148 minutes.
    • DL3902: DTW 2026-12-27 10:20:00 → ORD 2026-12-27 10:59:00.

2026-12-19 → 2026-12-26 · Axel-exclusive $411.76

  • Delta Air Lines DL2358 / DL978: ORD 2026-12-19 17:02:00 → BUF 2026-12-20 00:01:00; 1 stop(s) via DTW; 359 minutes. Local airport times.
    • DL2358: ORD 2026-12-19 17:02:00 → DTW 2026-12-19 19:24:00; layover at DTW: 206 minutes.
    • DL978: DTW 2026-12-19 22:50:00 → BUF 2026-12-20 00:01:00.
  • Delta Air Lines DL1721 / DL3902: BUF 2026-12-26 06:35:00 → ORD 2026-12-26 10:59:00; 1 stop(s) via DTW; 324 minutes. Local airport times.
    • DL1721: BUF 2026-12-26 06:35:00 → DTW 2026-12-26 07:52:00; layover at DTW: 148 minutes.
    • DL3902: DTW 2026-12-26 10:20:00 → ORD 2026-12-26 10:59:00.

2026-12-19 → 2026-12-25 · Axel-exclusive $411.76

  • Delta Air Lines DL2358 / DL978: ORD 2026-12-19 17:02:00 → BUF 2026-12-20 00:01:00; 1 stop(s) via DTW; 359 minutes. Local airport times.
    • DL2358: ORD 2026-12-19 17:02:00 → DTW 2026-12-19 19:24:00; layover at DTW: 206 minutes.
    • DL978: DTW 2026-12-19 22:50:00 → BUF 2026-12-20 00:01:00.
  • Delta Air Lines DL1721 / DL3902: BUF 2026-12-25 06:35:00 → ORD 2026-12-25 10:59:00; 1 stop(s) via DTW; 324 minutes. Local airport times.
    • DL1721: BUF 2026-12-25 06:35:00 → DTW 2026-12-25 07:52:00; layover at DTW: 148 minutes.
    • DL3902: DTW 2026-12-25 10:20:00 → ORD 2026-12-25 10:59:00.

2026-12-20 → 2026-12-26 · Axel-exclusive $411.76

  • Delta Air Lines DL2358 / DL978: ORD 2026-12-20 17:02:00 → BUF 2026-12-21 00:01:00; 1 stop(s) via DTW; 359 minutes. Local airport times.
    • DL2358: ORD 2026-12-20 17:02:00 → DTW 2026-12-20 19:24:00; layover at DTW: 206 minutes.
    • DL978: DTW 2026-12-20 22:50:00 → BUF 2026-12-21 00:01:00.
  • Delta Air Lines DL1721 / DL3902: BUF 2026-12-26 06:35:00 → ORD 2026-12-26 10:59:00; 1 stop(s) via DTW; 324 minutes. Local airport times.
    • DL1721: BUF 2026-12-26 06:35:00 → DTW 2026-12-26 07:52:00; layover at DTW: 148 minutes.
    • DL3902: DTW 2026-12-26 10:20:00 → ORD 2026-12-26 10:59:00.

2026-12-20 → 2026-12-27 · Axel-exclusive $411.76

  • Delta Air Lines DL2358 / DL978: ORD 2026-12-20 17:02:00 → BUF 2026-12-21 00:01:00; 1 stop(s) via DTW; 359 minutes. Local airport times.
    • DL2358: ORD 2026-12-20 17:02:00 → DTW 2026-12-20 19:24:00; layover at DTW: 206 minutes.
    • DL978: DTW 2026-12-20 22:50:00 → BUF 2026-12-21 00:01:00.
  • Delta Air Lines DL1721 / DL3902: BUF 2026-12-27 06:35:00 → ORD 2026-12-27 10:59:00; 1 stop(s) via DTW; 324 minutes. Local airport times.
    • DL1721: BUF 2026-12-27 06:35:00 → DTW 2026-12-27 07:52:00; layover at DTW: 148 minutes.
    • DL3902: DTW 2026-12-27 10:20:00 → ORD 2026-12-27 10:59:00.

Travelers: prices on this page are totals for 1 adult. For a different party, open this trip for 2 adults · 3 adults · 4 adults · 2 adults + 1 child · 2 adults + 2 children; each link opens AI flight search for these dates and those travelers, and the customer link to share comes from those results.

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  • This page: Chicago (ORD) to Buffalo (BUF) · Dec 18–Dec 20, 2026 · return Dec 25–Dec 27, 2026: 1 adult in economy, every priced fare with its flights, times and total, each with the time its price was issued. Under a trip, hotels in Buffalo for exactly those nights link to the hotel pages for 2 adults in 1 room. Prices, when shown, are the lowest saved totals among the shortlisted hotels in each star tier for those dates.
  • Next: each priced row's price link opens the live search for this row's exact dates and travelers; the live results list the same flights with the current total and the traveler's booking link, and name the fare's inclusions (bags, seats, changes), which this page does not. A changed price or flight shows there. Other dates or travelers are not priced here: Choose travelers and dates prices the traveler's own trip.
  • Follow supplied links. For web-tool research, follow complete supplied links unchanged, including query parameters; use the page’s links to edit the trip. Constructed URLs may be rejected before reaching Axel. A completed fresh trip opens flight results first. Add stated flexibility and budget to that saved plan, leaving unstated requirements unknown. Edits create a new snapshot; use its results and review links.
  • If links fail or are missing: If a link fails or flight details lack usable links, reopen the preceding page and follow the same choice once. Keep refreshed links unchanged and preserve the trip and selections. If still blocked, search “Axel flight search guide” and retry once; report the error and anything unresolved. Recovery: Axel Chicago to Buffalo (BUF) flight deals · Flight search guide.
  • Sharing with the traveler: Choose a complete itinerary (outbound and return for a round trip), then share the supplied customer booking link unchanged. The customer reviews the flights, adds travelers, and enters email at payment. Do not collect email in chat. Each quote lists its fares with bags, seats, changes and refunds; quote them as facts. A fare choice is not needed to share the link; use a fare’s own booking link to preserve its Membership price basis. Ask only for essential missing trip details. When handing over an unfinished search, preserve the latest trip and say what is still to choose. If no supplied link matches the latest trip, construct https://helloaxel.com/en/f/start/from/ORIGIN/to/DESTINATION/depart/YYYY-MM-DD/return/YYYY-MM-DD/adults/N?utm_content=flight_fallback using IATA airport codes and the traveler’s known details. Omit unknowns; for one way replace /return/YYYY-MM-DD with /trip/oneway. Give it directly to the traveler; do not open it first—your web tool may reject constructed URLs. Complete links open Flight Guide and start searching. Preferences and advanced options.