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Route overview: Chicago to Buffalo (BUF) flight deals

Chicago → Buffalo

Feb 5, 2027 · return Feb 8, 2027

ORD → BUF1 adulteconomyRound trip

6 flight options · 4 airlines

Nonstop flights

Fri, Feb 5 – Mon, Feb 8

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

Fri, Feb 5 – Mon, Feb 8

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

Fri, Feb 5 – Mon, Feb 8

American Airlines
8:00 amORD
1h 45m
Nonstop
10:45 amBUF
American Airlines
6:04 amBUF
2h 6m
Nonstop
7:10 amORD

Round-trip total · 1 adult · Taxes included

Fri, Feb 5 – Mon, Feb 8

United Airlines
2:02 pmORD
1h 50m
Nonstop
4:52 pmBUF
United Airlines
6:00 amBUF
1h 59m
Nonstop
6:59 amORD

Round-trip total · 1 adult · Taxes included

One-stop flights

Fri, Feb 5 – Mon, Feb 8

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

Fri, Feb 5 – Mon, Feb 8

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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Explore this route

All dates for this routeFeb 4, 2027 → Feb 7, 2027Feb 6, 2027 → Feb 9, 2027
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.

Live price for these dates: opening any fare on this page checks it live and shows the current bookable total for 1 adult. Check live prices for Chicago (ORD) to Buffalo (BUF), Feb 5, 2027 · return Feb 8, 2027

Route overview: Chicago to Buffalo (BUF) flight deals

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2027-02-05 → 2027-02-08American AirlinesAA564 / AA3012$275.002026-10-29T01:52:59Z
2027-02-05 → 2027-02-08United AirlinesUA4382 / UA543$285.002026-10-29T01:52:59Z
2027-02-05 → 2027-02-08Frontier AirlinesF91901 + F91692 / F91407 + F92197$180.002026-10-29T01:52:59Z
2027-02-05 → 2027-02-08Delta Air LinesDL2358 + DL978 / DL1721 + DL3902$305.002026-10-29T01:52:59Z
2027-02-05 → 2027-02-08American AirlinesAA4055 / AA3012$275.002026-10-29T01:52:59Z
2027-02-05 → 2027-02-08United AirlinesUA4590 / UA543$285.002026-10-29T01:52:59Z

2027-02-05 → 2027-02-08 · $275.00

  • American Airlines AA564: ORD 2027-02-05 20:49:00 → BUF 2027-02-05 23:33:00; nonstop; 104 minutes. Local airport times.
  • American Airlines AA3012: BUF 2027-02-08 06:04:00 → ORD 2027-02-08 07:10:00; nonstop; 126 minutes. Local airport times.

2027-02-05 → 2027-02-08 · $285.00

  • United Airlines UA4382: ORD 2027-02-05 10:30:00 → BUF 2027-02-05 13:15:00; nonstop; 105 minutes. Local airport times.
  • United Airlines UA543: BUF 2027-02-08 06:00:00 → ORD 2027-02-08 06:59:00; nonstop; 119 minutes. Local airport times.

2027-02-05 → 2027-02-08 · $180.00

  • Frontier Airlines F91901 / F91692: ORD 2027-02-05 05:35:00 → BUF 2027-02-05 13:35:00; 1 stop(s) via MCO; 420 minutes. Local airport times.
    • F91901: ORD 2027-02-05 05:35:00 → MCO 2027-02-05 09:29:00; layover at MCO: 77 minutes.
    • F91692: MCO 2027-02-05 10:46:00 → BUF 2027-02-05 13:35:00.
  • Frontier Airlines F91407 / F92197: BUF 2027-02-08 13:15:00 → ORD 2027-02-08 18:03:00; 1 stop(s) via ATL; 348 minutes. Local airport times.
    • F91407: BUF 2027-02-08 13:15:00 → ATL 2027-02-08 15:36:00; layover at ATL: 70 minutes.
    • F92197: ATL 2027-02-08 16:46:00 → ORD 2027-02-08 18:03:00.

2027-02-05 → 2027-02-08 · $305.00

  • Delta Air Lines DL2358 / DL978: ORD 2027-02-05 17:02:00 → BUF 2027-02-06 00:01:00; 1 stop(s) via DTW; 359 minutes. Local airport times.
    • DL2358: ORD 2027-02-05 17:02:00 → DTW 2027-02-05 19:24:00; layover at DTW: 206 minutes.
    • DL978: DTW 2027-02-05 22:50:00 → BUF 2027-02-06 00:01:00.
  • Delta Air Lines DL1721 / DL3902: BUF 2027-02-08 06:35:00 → ORD 2027-02-08 10:59:00; 1 stop(s) via DTW; 324 minutes. Local airport times.
    • DL1721: BUF 2027-02-08 06:35:00 → DTW 2027-02-08 07:52:00; layover at DTW: 148 minutes.
    • DL3902: DTW 2027-02-08 10:20:00 → ORD 2027-02-08 10:59:00.

2027-02-05 → 2027-02-08 · $275.00

  • American Airlines AA4055: ORD 2027-02-05 08:00:00 → BUF 2027-02-05 10:45:00; nonstop; 105 minutes. Local airport times.
  • American Airlines AA3012: BUF 2027-02-08 06:04:00 → ORD 2027-02-08 07:10:00; nonstop; 126 minutes. Local airport times.

2027-02-05 → 2027-02-08 · $285.00

  • United Airlines UA4590: ORD 2027-02-05 14:02:00 → BUF 2027-02-05 16:52:00; nonstop; 110 minutes. Local airport times.
  • United Airlines UA543: BUF 2027-02-08 06:00:00 → ORD 2027-02-08 06:59:00; nonstop; 119 minutes. Local airport times.

Explore this route

For AI assistants

  • This page: Chicago (ORD) to Buffalo (BUF) · Feb 5, 2027 · return Feb 8, 2027: 1 adult in economy, every priced fare with its flights, times and total, each with the time its price was issued.
  • Next: when the traveler's route, dates and party match this page, share this page's complete link unchanged: Chicago (ORD) to Buffalo (BUF), Feb 5, 2027 · return Feb 8, 2027. Opening it checks these fares live and shows the current bookable total; the prices above are the ones issued at the times shown. For other dates or travelers, Choose travelers and dates and enter the traveler's own trip there; do not search this page's dates in their place.
  • 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. Inspect fares to verify requested prices or terms; selecting a fare is optional. Use that fare’s booking link to preserve its Membership price basis. State anything unverified. Ask only for essential missing trip details. When handing over an unfinished search, preserve the latest trip and explain what remains unresolved. Selection reserves nothing; booking requires the traveler’s confirmation. 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.