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Chicago → Buffalo

Dec 27, 2026 · return Jan 3, 2027

ORD → BUF1 adulteconomyRound trip

6 flight options · 4 airlines

Nonstop flights

Sun, Dec 27 – Sun, Jan 3

American Airlines
3:17 pmORD
1h 43m
Nonstop
6:00 pmBUF
American Airlines
6:04 amBUF
2h 6m
Nonstop
7:10 amORD

Round-trip total · 1 adult · Taxes included

Sun, Dec 27 – Sun, Jan 3

United Airlines
2:18 pmORD
1h 44m
Nonstop
5:02 pmBUF
United Airlines
6:00 amBUF
1h 59m
Nonstop
6:59 amORD

Round-trip total · 1 adult · Taxes included

Sun, Dec 27 – Sun, Jan 3

American Airlines
7:00 pmORD
1h 37m
Nonstop
9:37 pmBUF
American Airlines
6:04 amBUF
2h 6m
Nonstop
7:10 amORD

Round-trip total · 1 adult · Taxes included

Sun, Dec 27 – Sun, Jan 3

United Airlines
10:30 amORD
1h 45m
Nonstop
1:15 pmBUF
United Airlines
6:00 amBUF
1h 59m
Nonstop
6:59 amORD

Round-trip total · 1 adult · Taxes included

One-stop flights

Sun, Dec 27 – Sun, Jan 3

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

Sun, Dec 27 – Sun, Jan 3

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 routeOct 30, 2026 → Nov 2, 2026Oct 31, 2026 → Nov 7, 2026Nov 13, 2026 → Nov 16, 2026Nov 14, 2026 → Nov 21, 2026Nov 24, 2026 → Nov 29, 2026Nov 27, 2026 → Nov 30, 2026Nov 28, 2026 → Dec 5, 2026Dec 11, 2026 → Dec 14, 2026Dec 12, 2026 → Dec 19, 2026Dec 22, 2026 → Dec 27, 2026Dec 25, 2026 → Dec 28, 2026Dec 26, 2026 → Jan 2, 2027Dec 30, 2026 → Jan 2, 2027Jan 8, 2027 → Jan 11, 2027Jan 9, 2027 → Jan 16, 2027Jan 15, 2027 → Jan 18, 2027Jan 22, 2027 → Jan 25, 2027Jan 23, 2027 → Jan 30, 2027Feb 5, 2027 → Feb 8, 2027Feb 6, 2027 → Feb 13, 2027Feb 12, 2027 → Feb 15, 2027Mar 5, 2027 → Mar 8, 2027Mar 6, 2027 → Mar 13, 2027Mar 25, 2027 → Mar 29, 2027Apr 2, 2027 → Apr 5, 2027Apr 3, 2027 → Apr 10, 2027Apr 30, 2027 → May 3, 2027May 1, 2027 → May 8, 2027May 28, 2027 → May 31, 2027May 29, 2027 → Jun 5, 2027Jun 25, 2027 → Jun 28, 2027Jun 26, 2027 → Jul 3, 2027Jul 2, 2027 → Jul 6, 2027Jul 23, 2027 → Jul 26, 2027Jul 24, 2027 → Jul 31, 2027Aug 20, 2027 → Aug 23, 2027Aug 21, 2027 → Aug 28, 2027Sep 3, 2027 → Sep 6, 2027Sep 17, 2027 → Sep 20, 2027Oct 30, 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)
2026-12-27 → 2027-01-03American AirlinesAA2378 / AA3012$371.262026-10-29T01:52:59Z
2026-12-27 → 2027-01-03United AirlinesUA2226 / UA543$384.762026-10-29T01:52:59Z
2026-12-27 → 2027-01-03Frontier AirlinesF91901 + F91692 / F91407 + F92197$243.002026-10-29T01:52:59Z
2026-12-27 → 2027-01-03Delta Air LinesDL2358 + DL978 / DL1721 + DL3902$411.762026-10-29T01:52:59Z
2026-12-27 → 2027-01-03American AirlinesAA1073 / AA3012$371.262026-10-29T01:52:59Z
2026-12-27 → 2027-01-03United AirlinesUA4382 / UA543$384.762026-10-29T01:52:59Z

2026-12-27 → 2027-01-03 · $371.26

  • American Airlines AA2378: ORD 2026-12-27 15:17:00 → BUF 2026-12-27 18:00:00; nonstop; 103 minutes. Local airport times.
  • American Airlines AA3012: BUF 2027-01-03 06:04:00 → ORD 2027-01-03 07:10:00; nonstop; 126 minutes. Local airport times.

2026-12-27 → 2027-01-03 · $384.76

  • United Airlines UA2226: ORD 2026-12-27 14:18:00 → BUF 2026-12-27 17:02:00; nonstop; 104 minutes. Local airport times.
  • United Airlines UA543: BUF 2027-01-03 06:00:00 → ORD 2027-01-03 06:59:00; nonstop; 119 minutes. Local airport times.

2026-12-27 → 2027-01-03 · $243.00

  • Frontier Airlines F91901 / F91692: ORD 2026-12-27 05:35:00 → BUF 2026-12-27 13:35:00; 1 stop(s) via MCO; 420 minutes. Local airport times.
    • F91901: ORD 2026-12-27 05:35:00 → MCO 2026-12-27 09:29:00; layover at MCO: 77 minutes.
    • F91692: MCO 2026-12-27 10:46:00 → BUF 2026-12-27 13:35:00.
  • Frontier Airlines F91407 / F92197: BUF 2027-01-03 13:15:00 → ORD 2027-01-03 18:03:00; 1 stop(s) via ATL; 348 minutes. Local airport times.
    • F91407: BUF 2027-01-03 13:15:00 → ATL 2027-01-03 15:36:00; layover at ATL: 70 minutes.
    • F92197: ATL 2027-01-03 16:46:00 → ORD 2027-01-03 18:03:00.

2026-12-27 → 2027-01-03 · $411.76

  • Delta Air Lines DL2358 / DL978: ORD 2026-12-27 17:02:00 → BUF 2026-12-28 00:01:00; 1 stop(s) via DTW; 359 minutes. Local airport times.
    • DL2358: ORD 2026-12-27 17:02:00 → DTW 2026-12-27 19:24:00; layover at DTW: 206 minutes.
    • DL978: DTW 2026-12-27 22:50:00 → BUF 2026-12-28 00:01:00.
  • Delta Air Lines DL1721 / DL3902: BUF 2027-01-03 06:35:00 → ORD 2027-01-03 10:59:00; 1 stop(s) via DTW; 324 minutes. Local airport times.
    • DL1721: BUF 2027-01-03 06:35:00 → DTW 2027-01-03 07:52:00; layover at DTW: 148 minutes.
    • DL3902: DTW 2027-01-03 10:20:00 → ORD 2027-01-03 10:59:00.

2026-12-27 → 2027-01-03 · $371.26

  • American Airlines AA1073: ORD 2026-12-27 19:00:00 → BUF 2026-12-27 21:37:00; nonstop; 97 minutes. Local airport times.
  • American Airlines AA3012: BUF 2027-01-03 06:04:00 → ORD 2027-01-03 07:10:00; nonstop; 126 minutes. Local airport times.

2026-12-27 → 2027-01-03 · $384.76

  • United Airlines UA4382: ORD 2026-12-27 10:30:00 → BUF 2026-12-27 13:15:00; nonstop; 105 minutes. Local airport times.
  • United Airlines UA543: BUF 2027-01-03 06:00:00 → ORD 2027-01-03 06:59:00; nonstop; 119 minutes. Local airport times.

More dates for this route