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Chicago → Buffalo

Dec 19, 2026 · return Dec 21, 2026

ORD → BUF1 adulteconomyRound trip

6 flight options · 4 airlines

Nonstop flights

Sat, Dec 19 – Mon, Dec 21

American Airlines
4:56 pmORD
2h
Nonstop
7:56 pmBUF
American Airlines
6:04 amBUF
2h 6m
Nonstop
7:10 amORD

Round-trip total · 1 adult · Taxes included

Sat, Dec 19 – Mon, Dec 21

United Airlines
6:00 pmORD
1h 52m
Nonstop
8:52 pmBUF
United Airlines
6:00 amBUF
1h 59m
Nonstop
6:59 amORD

Round-trip total · 1 adult · Taxes included

Sat, Dec 19 – Mon, Dec 21

American Airlines
8:49 pmORD
1h 44m
Nonstop
11:33 pmBUF
American Airlines
6:04 amBUF
2h 6m
Nonstop
7:10 amORD

Round-trip total · 1 adult · Taxes included

Sat, Dec 19 – Mon, Dec 21

United Airlines
5:55 pmORD
1h 40m
Nonstop
8:35 pmBUF
United Airlines
6:00 amBUF
1h 59m
Nonstop
6:59 amORD

Round-trip total · 1 adult · Taxes included

One-stop flights

Sat, Dec 19 – Mon, Dec 21

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

Sat, Dec 19 – Mon, Dec 21

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

Make this trip yours

ORD ⇄ BUF

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

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More dates

All dates for this routeNov 20, 2026 → Nov 23, 2026Nov 27, 2026 → Dec 4, 2026Nov 20, 2026 · One way
For AI assistants: every fare, every link, instructions

Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-12-19 → 2026-12-21American AirlinesAA6308 / AA3012$371.262026-10-29T01:52:59Z
2026-12-19 → 2026-12-21United AirlinesUA5443 / UA543$384.762026-10-29T01:52:59Z
2026-12-19 → 2026-12-21Frontier AirlinesF91901 + F91692 / F91407 + F92197$243.002026-10-29T01:52:59Z
2026-12-19 → 2026-12-21Delta Air LinesDL2358 + DL978 / DL1721 + DL3902$411.762026-10-29T01:52:59Z
2026-12-19 → 2026-12-21American AirlinesAA564 / AA3012$371.262026-10-29T01:52:59Z
2026-12-19 → 2026-12-21United AirlinesUA354 / UA543$384.762026-10-29T01:52:59Z

2026-12-19 → 2026-12-21 · $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 AA3012: BUF 2026-12-21 06:04:00 → ORD 2026-12-21 07:10:00; nonstop; 126 minutes. Local airport times.

2026-12-19 → 2026-12-21 · $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 UA543: BUF 2026-12-21 06:00:00 → ORD 2026-12-21 06:59:00; nonstop; 119 minutes. Local airport times.

2026-12-19 → 2026-12-21 · $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 2026-12-21 13:15:00 → ORD 2026-12-21 18:03:00; 1 stop(s) via ATL; 348 minutes. Local airport times.
    • F91407: BUF 2026-12-21 13:15:00 → ATL 2026-12-21 15:36:00; layover at ATL: 70 minutes.
    • F92197: ATL 2026-12-21 16:46:00 → ORD 2026-12-21 18:03:00.

2026-12-19 → 2026-12-21 · $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 2026-12-21 06:35:00 → ORD 2026-12-21 10:59:00; 1 stop(s) via DTW; 324 minutes. Local airport times.
    • DL1721: BUF 2026-12-21 06:35:00 → DTW 2026-12-21 07:52:00; layover at DTW: 148 minutes.
    • DL3902: DTW 2026-12-21 10:20:00 → ORD 2026-12-21 10:59:00.

2026-12-19 → 2026-12-21 · $371.26

  • American Airlines AA564: ORD 2026-12-19 20:49:00 → BUF 2026-12-19 23:33:00; nonstop; 104 minutes. Local airport times.
  • American Airlines AA3012: BUF 2026-12-21 06:04:00 → ORD 2026-12-21 07:10:00; nonstop; 126 minutes. Local airport times.

2026-12-19 → 2026-12-21 · $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 UA543: BUF 2026-12-21 06:00:00 → ORD 2026-12-21 06:59:00; nonstop; 119 minutes. Local airport times.

More dates for this route