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O'Hare International Airport to Buffalo Niagara International Airport flight

Explore the cheapest one-way and round-trip flights from O'Hare International Airport to Buffalo Niagara International Airport over the next 90 days, with one-way fares from US$118 and round-trip from US$214. Based on Trip.com's latest 7-day flight data.

    • Cheapest
      ORD 07:31
      5h 18m
      1 stop
      BUF 13:49
      Chicago - Buffalo | Thu, Nov 19 | Frontier Airlines
      US$118 US$165
      28% off
      28% off
      US$165 US$118
    • ORD 17:24
      19h 11m
      1 stop
      BUF 13:35
      Chicago - Buffalo | Thu, Dec 3 | Frontier Airlines
      US$125 US$165
      24% off
      24% off
      US$165 US$125
    • ORD 18:00
      5h 11m
      1 stop
      BUF 00:11
      Chicago - Buffalo | Mon, Nov 23 | Delta Air Lines
      US$131 US$165
      21% off
      21% off
      US$165 US$131
    • ORD 15:19
      1h 46m
      Nonstop
      BUF 18:05
      Chicago - Buffalo | Mon, Nov 9 | American Airlines
      US$131
      54% off
      US$286 US$131
    • ORD 15:19
      1h 46m
      Nonstop
      BUF 18:05
      Chicago - Buffalo | Mon, Nov 9 | American Airlines
      US$132
      20% off
      US$165 US$132
    • ORD 19:15
      3h 43m
      1 stop
      BUF 23:58
      Chicago - Buffalo | Mon, Nov 9 | Delta Air Lines
      US$132
      20% off
      US$165 US$132
    • ORD 15:17
      1h 43m
      Nonstop
      BUF 18:00
      Chicago - Buffalo | Mon, Nov 23 | American Airlines
      US$134
      19% off
      US$165 US$134
    • ORD 17:05
      5h 53m
      1 stop
      BUF 23:58
      Chicago - Buffalo | Thu, Nov 19 | Delta Air Lines
      US$141
      15% off
      US$165 US$141
    • ORD 08:00
      1h 45m
      Nonstop
      BUF 10:45
      Chicago - Buffalo | Thu, Nov 19 | American Airlines
      US$141
      15% off
      US$165 US$141
    • CHI 13:00
      17h 25m
      1 stop
      BUF 14:00
      Chicago - Buffalo | Fri, Nov 6 | Normal Airline
      More cheap flights
      More cheap flights
    • Cheapest nonstop
      ORD 19:00
      1h 46m
      Nonstop
      BUF 21:46
      Chicago - Buffalo | Wed, Nov 25 | American Airlines
      BUF 11:26
      2h 32m
      Nonstop
      ORD 12:58
      Buffalo - Chicago | Wed, Dec 2 | American Airlines
      US$272 US$400
      32% off
      32% off
      US$400 US$272
    • ORD 19:05
      1h 50m
      Nonstop
      BUF 21:55
      Chicago - Buffalo | Tue, Dec 8 | American Airlines
      BUF 07:53
      2h 12m
      Nonstop
      ORD 09:05
      Buffalo - Chicago | Fri, Dec 11 | American Airlines
      US$316 US$400
      21% off
      21% off
      US$400 US$316
    • ORD 17:12
      18h 16m
      1 stop
      BUF 12:28
      Chicago - Buffalo | Wed, Nov 25 | Frontier Airlines
      BUF 13:15
      9h 20m
      1 stop
      ORD 21:35
      Buffalo - Chicago | Wed, Dec 2 | Frontier Airlines
      US$214 US$400
      47% off
      47% off
      US$400 US$214
    • ORD 17:29
      4h 16m
      1 stop
      BUF 22:45
      Chicago - Buffalo | Tue, Nov 24 | American Airlines
      BUF 11:17
      2h 12m
      Nonstop
      ORD 12:29
      Buffalo - Chicago | Mon, Nov 30 | American Airlines
      US$281
      30% off
      US$400 US$281
    • ORD 05:58
      10h 59m
      1 stop
      BUF 17:57
      Chicago - Buffalo | Fri, Dec 18 | Frontier Airlines
      BUF 18:23
      6h 38m
      1 stop
      MDW 00:01
      Buffalo - Chicago | Mon, Dec 21 | Frontier Airlines
      US$310
      23% off
      US$400 US$310
    • ORD 17:05
      5h 53m
      1 stop
      BUF 23:58
      Chicago - Buffalo | Mon, Nov 16 | Delta Air Lines
      BUF 21:20
      28h 22m
      1 stop
      ORD 00:42
      Buffalo - Chicago | Sun, Nov 22 | Frontier Airlines
      US$316
      21% off
      US$400 US$316
    • ORD 07:00
      5h 29m
      1 stop
      BUF 13:29
      Chicago - Buffalo | Tue, Dec 8 | Delta Air Lines
      BUF 06:10
      4h 27m
      1 stop
      MDW 09:37
      Buffalo - Chicago | Fri, Dec 11 | Delta Air Lines
      US$321
      20% off
      US$400 US$321
    • ORD 17:51
      1h 45m
      Nonstop
      BUF 20:36
      Chicago - Buffalo | Wed, Nov 25 | United Airlines
      BUF 13:15
      9h 20m
      1 stop
      ORD 21:35
      Buffalo - Chicago | Wed, Dec 2 | Frontier Airlines
      US$321
      20% off
      US$400 US$321
    • ORD 05:44
      5h 16m
      1 stop
      BUF 12:00
      Chicago - Buffalo | Fri, Dec 18 | American Airlines
      BUF 18:23
      6h 38m
      1 stop
      MDW 00:01
      Buffalo - Chicago | Mon, Dec 21 | Frontier Airlines
      US$339
      15% off
      US$400 US$339
    • CHI 13:00
      17h 25m
      1 stop
      BUF 14:00
      Chicago - Buffalo | Fri, Nov 6 | Normal Airline
      BUF 15:00
      6h
      Nonstop
      CHI 16:00
      Buffalo - Chicago | Sun, Nov 8 | Normal Airline
      More cheap flights
      More cheap flights
    • Cheapest nonstop
      ORD 15:19
      1h 46m
      Nonstop
      BUF 18:05
      Chicago - Buffalo | Mon, Nov 9 | American Airlines
      US$131 US$286
      54% off
      54% off
      US$286 US$131
    • ORD 15:19
      1h 46m
      Nonstop
      BUF 18:05
      Chicago - Buffalo | Mon, Nov 9 | American Airlines
      US$132 US$165
      20% off
      20% off
      US$165 US$132
    • ORD 15:17
      1h 43m
      Nonstop
      BUF 18:00
      Chicago - Buffalo | Mon, Nov 23 | American Airlines
      US$134 US$165
      19% off
      19% off
      US$165 US$134
    • ORD 08:00
      1h 45m
      Nonstop
      BUF 10:45
      Chicago - Buffalo | Thu, Nov 19 | American Airlines
      US$141
      15% off
      US$165 US$141
    • ORD 15:20
      1h 43m
      Nonstop
      BUF 18:03
      Chicago - Buffalo | Thu, Dec 3 | American Airlines
      US$142
      14% off
      US$165 US$142
    • ORD 15:20
      1h 43m
      Nonstop
      BUF 18:03
      Chicago - Buffalo | Wed, Dec 2 | American Airlines
      US$143
      13% off
      US$165 US$143
    • ORD 15:19
      1h 46m
      Nonstop
      BUF 18:05
      Chicago - Buffalo | Wed, Nov 11 | American Airlines
      US$248
      13% off
      US$286 US$248
    • ORD 15:19
      1h 46m
      Nonstop
      BUF 18:05
      Chicago - Buffalo | Wed, Nov 18 | American Airlines
      US$248
      13% off
      US$286 US$248
    • CHI 13:00
      17h 25m
      1 stop
      BUF 14:00
      Chicago - Buffalo | Fri, Nov 6 | Normal Airline
      More cheap flights
      More cheap flights
    • Cheapest nonstop
      ORD 15:19
      1h 46m
      Nonstop
      BUF 18:05
      Chicago - Buffalo | Mon, Nov 9 | American Airlines
      US$131 US$368
      64% off
      64% off
      US$368 US$131
    • ORD 15:17
      1h 43m
      Nonstop
      BUF 18:00
      Chicago - Buffalo | Mon, Nov 23 | American Airlines
      US$134 US$368
      64% off
      64% off
      US$368 US$134
    • ORD 15:19
      1h 46m
      Nonstop
      BUF 18:05
      Chicago - Buffalo | Wed, Nov 11 | American Airlines
      US$248 US$368
      33% off
      33% off
      US$368 US$248
    • ORD 15:19
      1h 46m
      Nonstop
      BUF 18:05
      Chicago - Buffalo | Wed, Nov 18 | American Airlines
      US$248
      33% off
      US$368 US$248
    • ORD 14:44
      3h 29m
      1 stop
      BUF 19:13
      Chicago - Buffalo | Mon, Nov 9 | Delta Air Lines
      US$130
      65% off
      US$368 US$130
    • ORD 17:29
      4h 30m
      1 stop
      BUF 22:59
      Chicago - Buffalo | Sun, Dec 27 | American Airlines
      US$320
      13% off
      US$368 US$320
    • CHI 13:00
      17h 25m
      1 stop
      BUF 14:00
      Chicago - Buffalo | Fri, Nov 6 | Normal Airline
      More cheap flights
      More cheap flights
    • Cheapest nonstop
      ORD 15:19
      1h 46m
      Nonstop
      BUF 18:05
      Chicago - Buffalo | Mon, Nov 9 | American Airlines
      US$131 US$286
      54% off
      54% off
      US$286 US$131
    • ORD 15:19
      1h 46m
      Nonstop
      BUF 18:05
      Chicago - Buffalo | Wed, Nov 11 | American Airlines
      US$248 US$286
      13% off
      13% off
      US$286 US$248
    • ORD 14:44
      3h 29m
      1 stop
      BUF 19:13
      Chicago - Buffalo | Mon, Nov 9 | Delta Air Lines
      US$130 US$286
      55% off
      55% off
      US$286 US$130
    • CHI 13:00
      17h 25m
      1 stop
      BUF 14:00
      Chicago - Buffalo | Fri, Nov 6 | Normal Airline
      More cheap flights
      More cheap flights
    • ORD 15:17
      1h 43m
      Nonstop
      BUF 18:00
      Chicago - Buffalo | Mon, Nov 23 | American Airlines
      US$134 US$165
      19% off
      19% off
      US$165 US$134
    • ORD 15:20
      1h 43m
      Nonstop
      BUF 18:03
      Chicago - Buffalo | Thu, Dec 3 | American Airlines
      US$142 US$165
      14% off
      14% off
      US$165 US$142
    • ORD 15:20
      1h 43m
      Nonstop
      BUF 18:03
      Chicago - Buffalo | Wed, Dec 2 | American Airlines
      US$143 US$165
      13% off
      13% off
      US$165 US$143
    • ORD 08:00
      1h 45m
      Nonstop
      BUF 10:45
      Chicago - Buffalo | Thu, Nov 19 | American Airlines
      US$141
      15% off
      US$165 US$141
    • ORD 15:19
      1h 46m
      Nonstop
      BUF 18:05
      Chicago - Buffalo | Mon, Nov 9 | American Airlines
      US$131
      54% off
      US$286 US$131
    • ORD 15:19
      1h 46m
      Nonstop
      BUF 18:05
      Chicago - Buffalo | Mon, Nov 9 | American Airlines
      US$132
      20% off
      US$165 US$132
    • ORD 15:19
      1h 46m
      Nonstop
      BUF 18:05
      Chicago - Buffalo | Wed, Nov 11 | American Airlines
      US$248
      13% off
      US$286 US$248
    • ORD 15:19
      1h 46m
      Nonstop
      BUF 18:05
      Chicago - Buffalo | Wed, Nov 18 | American Airlines
      US$248
      13% off
      US$286 US$248
    • ORD 19:15
      3h 43m
      1 stop
      BUF 23:58
      Chicago - Buffalo | Mon, Nov 9 | Delta Air Lines
      US$132
      20% off
      US$165 US$132
    • CHI 13:00
      17h 25m
      1 stop
      BUF 14:00
      Chicago - Buffalo | Fri, Nov 6 | Normal Airline
      More cheap flights
      More cheap flights

Displayed flight fares from Chicago to Buffalo are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Which airline offers the cheapest flights from O'Hare International Airport to Buffalo Niagara International Airport?

The cheapest airline flying from O'Hare International Airport to Buffalo Niagara International Airport is Frontier Airlines (from US$118) among 5 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From US$118
Delta Air Lines
From US$131
American Airlines
From US$132
Jetblue Airways
From US$168
United Airlines
From US$173

Find more flights and airlines

What is the flight schedule from O'Hare International Airport to Buffalo Niagara International Airport?

Check on the flight schedule from Chicago to Buffalo to find the flight that matches your travel plan.

Flight info.
Departure
Arrival
Weekly Schedule

  1. AA4780

    O'Hare International Airport

    08:03

    ORD

    1h 50m

    10:53

    BUF

    S M T W T F S
    Search

  2. AA2202

    O'Hare International Airport

    15:19

    ORD

    1h 46m

    18:05

    BUF

    S M T W T F S
    Search

  3. AA1073

    O'Hare International Airport

    19:00

    ORD

    1h 40m

    21:40

    BUF

    S M T W T F S
    Search

  4. DL1084

    O'Hare International Airport

    19:35

    ORD

    1h 30m

    Nonstop

    22:05

    DTW

    S - - - - - S
    Search

  5. DL1872

    Detroit Metropolitan Wayne County Airport

    22:50

    DTW

    1h 11m

    Nonstop

    00:01

    BUF

    S M - - - - -

  6. AA716

    O'Hare International Airport

    17:47

    ORD

    2h 13m

    Nonstop

    21:00

    PHL

    S M T W T F S
    Search

  7. AA5911

    Philadelphia International Airport

    21:18

    PHL

    1h 26m

    Nonstop

    22:44

    BUF

    S M T W T F S

  8. AA4468

    O'Hare International Airport

    06:02

    ORD

    2h 12m

    Nonstop

    09:14

    DCA

    S M T W T F S
    Search

  9. AA4694

    Ronald Reagan Washington National Airport

    10:10

    DCA

    1h 25m

    Nonstop

    11:35

    BUF

    S M T W - - -

  10. DL4970

    O'Hare International Airport

    18:03

    ORD

    2h 20m

    Nonstop

    21:23

    JFK

    S M - - - - -
    Search

  11. DL5264

    John F. Kennedy International Airport

    22:10

    JFK

    1h 40m

    Nonstop

    23:50

    BUF

    S M T W T F S

  12. AA797

    O'Hare International Airport

    15:20

    ORD

    2h 33m

    Nonstop

    18:53

    BOS

    S M T W T F S
    Search

  13. AA4743

    Boston Logan International Airport

    19:50

    BOS

    1h 45m

    Nonstop

    21:35

    BUF

    S M T W T - S

  14. DL3841

    O'Hare International Airport

    08:29

    ORD

    1h 23m

    Nonstop

    10:52

    DTW

    S M - - - - -
    Search

  15. DL3841

    Detroit Metropolitan Wayne County Airport

    07:10

    DTW

    1h 16m

    Nonstop

    08:26

    BUF

    - - - W T F S

  16. DL2358

    O'Hare International Airport

    17:29

    ORD

    1h 31m

    Nonstop

    20:00

    DTW

    S M T W T F S
    Search

  17. DL1872

    Detroit Metropolitan Wayne County Airport

    22:50

    DTW

    1h 11m

    Nonstop

    00:01

    BUF

    S M - - - - -
Find more flights and airlines

About O'Hare International Airport and Buffalo Niagara International Airport

Learn about O'Hare International Airport (ORD) and Buffalo Niagara International Airport (BUF) — including location, terminals, transportation, and travel tips.

Flight distance 760.5 km
Cheapest one-way ticket price US$118
Cheapest return ticket price US$214

FAQs for O'Hare International Airport to Buffalo Niagara International Airport Flights

  • How long is the flight from O'Hare International Airport to Buffalo Niagara International Airport?

    O'Hare International Airport to Buffalo Niagara International Airport takes about 1 hour 11 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 6 daily flights from O'Hare International Airport (ORD) to Buffalo Niagara International Airport (BUF).
  • The earliest flight from O'Hare International Airport to Buffalo Niagara International Airport departs at 06:29, and the last departs at 21:33, with about 11 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from O'Hare International Airport (ORD) to Buffalo Niagara International Airport (BUF) is quite popular. Without considering departure times or holidays, tickets cost around US$248 in November, the most expensive month to book this route.
  • The earliest flight departs from O'Hare International Airport at 07:00 and arrives in Buffalo Niagara International Airport at 09:37.
  • The latest flight departs from O'Hare International Airport at 20:59 and arrives in Buffalo Niagara International Airport at 23:36.
  • American Airlines is a very popular airline operating an average of 1741 flights per month.
  • One-way flights from O'Hare International Airport to Buffalo Niagara International Airport currently start from US$118, and round-trip fares start from US$214. The current lowest fare is a Frontier Airlines flight departing on Thu, Nov 19; prices may vary depending on availability.
  • Yes. United Airlines and American Airlines operate direct flights from O'Hare International Airport to Buffalo Niagara International Airport, with an average flight time of 1 hour 7 minutes, and around 49 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from O'Hare International Airport to Buffalo Niagara International Airport is US$217. Prices may vary depending on the departure date, airline, and availability.
  • O'Hare International Airport to Buffalo Niagara International Airport operates around 49 weekly flights, mainly by United Airlines and American Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter O'Hare International Airport and Buffalo Niagara International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

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Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.