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Chicago to Buffalo Niagara International Airport flight

Explore the cheapest one-way and round-trip flights from Chicago to Buffalo Niagara International Airport over the next 90 days, with one-way fares from BRL 586 and round-trip from BRL 1,210. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        ORD 21:16
        1h 43m
        Direct
        BUF 23:59
        Chicago - Buffalo | Sat, Oct 17 | American Airlines
        BUF 17:50
        2h 10m
        Direct
        ORD 19:00
        Buffalo - Chicago | Tue, Oct 20 | American Airlines
        BRL 1,302 BRL 1,914
        32% off
        32% off
        BRL 1,914 BRL 1,302
      • ORD 21:16
        1h 43m
        Direct
        BUF 23:59
        Chicago - Buffalo | Thu, Oct 15 | American Airlines
        BUF 08:00
        2h 5m
        Direct
        ORD 09:05
        Buffalo - Chicago | Tue, Oct 20 | American Airlines
        BRL 1,395 BRL 1,914
        27% off
        27% off
        BRL 1,914 BRL 1,395
      • ORD 06:29
        1h 39m
        Direct
        BUF 09:08
        Chicago - Buffalo | Sat, Oct 17 | United Airlines
        BUF 19:00
        1h 40m
        Direct
        MDW 19:40
        Buffalo - Chicago | Tue, Oct 20 |
        BRL 1,435 BRL 1,914
        25% off
        25% off
        BRL 1,914 BRL 1,435
      • MDW 06:21
        5h 38m
        1 stop
        BUF 12:59
        Chicago - Buffalo | Sat, Oct 10 | Frontier Airlines
        BUF 12:53
        19h 38m
        1 stop
        ORD 07:31
        Buffalo - Chicago | Thu, Oct 15 | Frontier Airlines
        BRL 1,210
        37% off
        BRL 1,914 BRL 1,210
      • ORD 07:00
        5h 29m
        1 stop
        BUF 13:29
        Chicago - Buffalo | Sat, Oct 17 | Delta Air Lines
        BUF 19:00
        1h 40m
        Direct
        MDW 19:40
        Buffalo - Chicago | Tue, Oct 20 |
        BRL 1,279
        33% off
        BRL 1,914 BRL 1,279
      • ORD 17:29
        4h 9m
        1 stop
        BUF 22:38
        Chicago - Buffalo | Sat, Oct 10 | Delta Air Lines
        BUF 12:53
        19h 38m
        1 stop
        ORD 07:31
        Buffalo - Chicago | Thu, Oct 15 | Frontier Airlines
        BRL 1,345
        30% off
        BRL 1,914 BRL 1,345
      • MDW 06:21
        5h 38m
        1 stop
        BUF 12:59
        Chicago - Buffalo | Wed, Oct 14 | Frontier Airlines
        BUF 13:44
        5h 47m
        1 stop
        ORD 18:31
        Buffalo - Chicago | Fri, Oct 16 | Frontier Airlines
        BRL 1,371
        28% off
        BRL 1,914 BRL 1,371
      • ORD 19:30
        3h 29m
        1 stop
        BUF 23:59
        Chicago - Buffalo | Thu, Oct 15 | Delta Air Lines
        BUF 14:00
        1h 40m
        Direct
        MDW 14:40
        Buffalo - Chicago | Tue, Oct 20 |
        BRL 1,372
        28% off
        BRL 1,914 BRL 1,372
      • ORD 17:58
        5h 7m
        1 stop
        BUF 00:05
        Chicago - Buffalo | Wed, Nov 25 | American Airlines
        BUF 18:40
        2h 19m
        Direct
        ORD 19:59
        Buffalo - Chicago | Mon, Nov 30 | American Airlines
        BRL 1,400
        27% off
        BRL 1,914 BRL 1,400
      • ORD 17:29
        4h 16m
        1 stop
        BUF 22:45
        Chicago - Buffalo | Tue, Nov 24 | American Airlines
        BUF 11:17
        2h 12m
        Direct
        ORD 12:29
        Buffalo - Chicago | Mon, Nov 30 | American Airlines
        BRL 1,400
        27% off
        BRL 1,914 BRL 1,400
      • CHI 13:00
        17h 25m
        1 stop
        BUF 14:00
        Chicago - Buffalo | Sat, Oct 10 | Normal Airline
        BUF 15:00
        6h
        Direct
        CHI 16:00
        Buffalo - Chicago | Mon, Oct 12 | Normal Airline
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      • Cheapest nonstop
        ORD 21:16
        1h 43m
        Direct
        BUF 23:59
        Chicago - Buffalo | Tue, Oct 27 | American Airlines
        BRL 586 BRL 922
        36% off
        36% off
        BRL 922 BRL 586
      • ORD 19:00
        1h 37m
        Direct
        BUF 21:37
        Chicago - Buffalo | Mon, Nov 9 | American Airlines
        BRL 597 BRL 922
        35% off
        35% off
        BRL 922 BRL 597
      • ORD 21:16
        1h 43m
        Direct
        BUF 23:59
        Chicago - Buffalo | Mon, Oct 26 | American Airlines
        BRL 619 BRL 922
        33% off
        33% off
        BRL 922 BRL 619
      • ORD 19:00
        1h 37m
        Direct
        BUF 21:37
        Chicago - Buffalo | Wed, Nov 18 | American Airlines
        BRL 653
        28% off
        BRL 922 BRL 653
      • ORD 14:30
        7h 30m
        1 stop
        BUF 23:00
        Chicago - Buffalo | Tue, Oct 27 | Delta Air Lines
        BRL 589
        36% off
        BRL 922 BRL 589
      • ORD 07:00
        3h 35m
        1 stop
        BUF 11:35
        Chicago - Buffalo | Mon, Oct 26 | Delta Air Lines
        BRL 613
        34% off
        BRL 922 BRL 613
      • ORD 14:44
        3h 29m
        1 stop
        BUF 19:13
        Chicago - Buffalo | Mon, Nov 9 | Delta Air Lines
        BRL 629
        32% off
        BRL 922 BRL 629
      • ORD 08:45
        7h 46m
        1 stop
        BUF 17:31
        Chicago - Buffalo | Wed, Nov 18 | Delta Air Lines
        BRL 651
        28% off
        BRL 922 BRL 651
      • ORD 20:11
        20h 45m
        1 stop
        BUF 17:56
        Chicago - Buffalo | Mon, Oct 12 | Frontier Airlines
        BRL 691
        25% off
        BRL 922 BRL 691
      • CHI 13:00
        17h 25m
        1 stop
        BUF 14:00
        Chicago - Buffalo | Sat, Oct 10 | Normal Airline
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Flight prices from Chicago to Buffalo Niagara International Airport are based on the average fares across airlines for the next three months, based on Trip.com’s latest data.

Flight Schedule from Chicago to Buffalo Niagara International Airport

Flight info.
Departure
Arrival
Weekly Schedule

  1. AA564

    O'Hare International Airport

    20:44

    ORD

    1h 44m

    23:28

    BUF

    S M T W T F S
    Search

  2. AA4780

    O'Hare International Airport

    08:15

    ORD

    1h 51m

    11:06

    BUF

    S M T W T - S
    Search

  3. DL1716

    O'Hare International Airport

    13:35

    ORD

    1h 25m

    Direct

    16:00

    DTW

    S M T W T F S
    Search

  4. DL3843

    Detroit Metropolitan Wayne County Airport

    17:49

    DTW

    1h 13m

    Direct

    19:02

    BUF

    S M T W T - S

  5. DL2039

    O'Hare International Airport

    07:00

    ORD

    1h 26m

    Direct

    09:26

    DTW

    S M T W T F S
    Search

  6. DL3848

    Detroit Metropolitan Wayne County Airport

    10:20

    DTW

    1h 15m

    Direct

    11:35

    BUF

    S M T W - F -

  7. DL4677

    Chicago Midway International Airport

    18:44

    MDW

    1h 14m

    Direct

    20:58

    DTW

    S M T W T F S
    Search

  8. DL978

    Detroit Metropolitan Wayne County Airport

    22:50

    DTW

    1h 12m

    Direct

    00:02

    BUF

    S M T W T F S

  9. DL4688

    Chicago Midway International Airport

    13:00

    MDW

    1h 10m

    Direct

    15:10

    DTW

    S M T W T F S
    Search

  10. DL3843

    Detroit Metropolitan Wayne County Airport

    17:49

    DTW

    1h 13m

    Direct

    19:02

    BUF

    S M T W T - S

  11. DL5373

    Chicago Midway International Airport

    09:29

    MDW

    1h 14m

    Direct

    11:43

    DTW

    S M T W T F S
    Search

  12. DL3847

    Detroit Metropolitan Wayne County Airport

    14:00

    DTW

    1h 13m

    Direct

    15:13

    BUF

    S M T W T F S

  13. AA673

    O'Hare International Airport

    18:45

    ORD

    2h 20m

    Direct

    22:05

    LGA

    S M T W T F S
    Search

  14. AA4521

    LaGuardia Airport

    19:59

    LGA

    1h 31m

    Direct

    21:30

    BUF

    S M T W T - S
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What to know about flights from Chicago to Buffalo Niagara International Airport?

Cheapest return ticket price BRL 1,253
Cheapest one-way flight price BRL 574
Off-season for travel September
Peak season for travel December

FAQs for Chicago to Buffalo Niagara International Airport Flights

  • When to buy flight tickets from Chicago (CHI) to Buffalo (BUF) the cheapest?

    Airlines adjust prices for flights from Chicago to Buffalo based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • According to Trip.com's data, the lowest price is around BRL 1,598.
  • It takes about 1 hour 41 minutes to fly from Chicago (CHI) to Buffalo (BUF).
  • The earliest flight departs from Chicago (ORD) at 08:00 and arrives in Buffalo (BUF) at 10:34.
  • The latest flight departs from Chicago (ORD) at 20:35 and arrives in Buffalo (BUF) at 23:21.
  • Airlines with flights from Chicago (CHI) to Buffalo (BUF): SWISS, avianca, Qatar Airways, American Airlines, Air Canada, United Airlines, Royal Jordanian and Alaska Airlines.
  • United Airlines operates 1 direct flights from Chicago (CHI) to Buffalo (BUF).
  • There are 1 airports near Buffalo: Buffalo Niagara International Airport.
  • One-way flights from Chicago to Buffalo Niagara International Airport currently start from BRL 586, and round-trip fares start from BRL 1,210. The lowest fare is currently available on flights operated by American Airlines departing on Tue, Oct 27. Fares are subject to change based on availability.
  • A direct flight from Chicago to Buffalo Niagara International Airport takes about 1 hour 12 minutes on average. Actual flight time may vary depending on the route, weather and air traffic.
  • Enter your Chicago 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 cancellation policy, fill in your passenger details and pay to receive your booking confirmation.
  • Yes. United Airlines and American Airlines operate direct flights from Chicago to Buffalo Niagara International Airport. The flight time is approximately 1 hour 9 minutes, with about 70 flights per week. Actual flight frequency may vary by season.
  • The latest flight from Chicago to Buffalo Niagara International Airport departs at 21:16, with approximately 23 flights per day. Flight schedules may change, so please check the latest departure times before travelling.
  • Buffalo has 1 airports reachable by flights departing from Chicago, including Buffalo Niagara International Airport. When choosing an airport, consider its distance to the city centre and route coverage.

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

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Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are shown before payment. Charges for checked baggage, meals, Wi-Fi, and other optional services may also appear in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours, and with many routes refreshed in real time. The more popular the route, the more accurate 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.