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Chicago → Buffalo

Dec 7, 2026 · return Dec 17, 2026

ORD → BUF1 adulteconomyRound trip

6 flight options · 4 airlines

Nonstop flights

Mon, Dec 7 – Thu, Dec 17

American Airlines
3:26 pmORD
1h 43m
Nonstop
6:09 pmBUF
American Airlines
6:04 amBUF
2h 6m
Nonstop
7:10 amORD

Round-trip total · 1 adult · Taxes included

Mon, Dec 7 – Thu, Dec 17

United Airlines
10:30 amORD
1h 47m
Nonstop
1:17 pmBUF
United Airlines
1:53 pmBUF
2h 2m
Nonstop
2:55 pmORD

Round-trip total · 1 adult · Taxes included

Mon, Dec 7 – Thu, Dec 17

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

Mon, Dec 7 – Thu, Dec 17

United Airlines
5:51 pmORD
1h 45m
Nonstop
8:36 pmBUF
United Airlines
1:53 pmBUF
2h 2m
Nonstop
2:55 pmORD

Round-trip total · 1 adult · Taxes included

One-stop flights

Mon, Dec 7 – Thu, Dec 17

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

Mon, Dec 7 – Thu, Dec 17

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)
2026-12-07 → 2026-12-17American AirlinesAA2306 / AA3012$275.002026-10-29T01:52:59Z
2026-12-07 → 2026-12-17United AirlinesUA4382 / UA4381$285.002026-10-29T01:52:59Z
2026-12-07 → 2026-12-17Frontier AirlinesF91901 + F91692 / F91407 + F92197$180.002026-10-29T01:52:59Z
2026-12-07 → 2026-12-17Delta Air LinesDL2358 + DL978 / DL1721 + DL3902$305.002026-10-29T01:52:59Z
2026-12-07 → 2026-12-17American AirlinesAA1073 / AA3012$275.002026-10-29T01:52:59Z
2026-12-07 → 2026-12-17United AirlinesUA1335 / UA4381$285.002026-10-29T01:52:59Z

2026-12-07 → 2026-12-17 · $275.00

  • American Airlines AA2306: ORD 2026-12-07 15:26:00 → BUF 2026-12-07 18:09:00; nonstop; 103 minutes. Local airport times.
  • American Airlines AA3012: BUF 2026-12-17 06:04:00 → ORD 2026-12-17 07:10:00; nonstop; 126 minutes. Local airport times.

2026-12-07 → 2026-12-17 · $285.00

  • United Airlines UA4382: ORD 2026-12-07 10:30:00 → BUF 2026-12-07 13:17:00; nonstop; 107 minutes. Local airport times.
  • United Airlines UA4381: BUF 2026-12-17 13:53:00 → ORD 2026-12-17 14:55:00; nonstop; 122 minutes. Local airport times.

2026-12-07 → 2026-12-17 · $180.00

  • Frontier Airlines F91901 / F91692: ORD 2026-12-07 05:35:00 → BUF 2026-12-07 13:35:00; 1 stop(s) via MCO; 420 minutes. Local airport times.
    • F91901: ORD 2026-12-07 05:35:00 → MCO 2026-12-07 09:29:00; layover at MCO: 77 minutes.
    • F91692: MCO 2026-12-07 10:46:00 → BUF 2026-12-07 13:35:00.
  • Frontier Airlines F91407 / F92197: BUF 2026-12-17 13:15:00 → ORD 2026-12-17 18:03:00; 1 stop(s) via ATL; 348 minutes. Local airport times.
    • F91407: BUF 2026-12-17 13:15:00 → ATL 2026-12-17 15:36:00; layover at ATL: 70 minutes.
    • F92197: ATL 2026-12-17 16:46:00 → ORD 2026-12-17 18:03:00.

2026-12-07 → 2026-12-17 · $305.00

  • Delta Air Lines DL2358 / DL978: ORD 2026-12-07 17:02:00 → BUF 2026-12-08 00:01:00; 1 stop(s) via DTW; 359 minutes. Local airport times.
    • DL2358: ORD 2026-12-07 17:02:00 → DTW 2026-12-07 19:24:00; layover at DTW: 206 minutes.
    • DL978: DTW 2026-12-07 22:50:00 → BUF 2026-12-08 00:01:00.
  • Delta Air Lines DL1721 / DL3902: BUF 2026-12-17 06:35:00 → ORD 2026-12-17 10:59:00; 1 stop(s) via DTW; 324 minutes. Local airport times.
    • DL1721: BUF 2026-12-17 06:35:00 → DTW 2026-12-17 07:52:00; layover at DTW: 148 minutes.
    • DL3902: DTW 2026-12-17 10:20:00 → ORD 2026-12-17 10:59:00.

2026-12-07 → 2026-12-17 · $275.00

  • American Airlines AA1073: ORD 2026-12-07 19:00:00 → BUF 2026-12-07 21:37:00; nonstop; 97 minutes. Local airport times.
  • American Airlines AA3012: BUF 2026-12-17 06:04:00 → ORD 2026-12-17 07:10:00; nonstop; 126 minutes. Local airport times.

2026-12-07 → 2026-12-17 · $285.00

  • United Airlines UA1335: ORD 2026-12-07 17:51:00 → BUF 2026-12-07 20:36:00; nonstop; 105 minutes. Local airport times.
  • United Airlines UA4381: BUF 2026-12-17 13:53:00 → ORD 2026-12-17 14:55:00; nonstop; 122 minutes. Local airport times.

More dates for this route