Trip.com
>
Cheap Flights
>
United States
>
Buffalo
>
Chicago to Buffalo flight
>
O'Hare International Airport to Buffalo flight

Explore the cheapest one-way and round-trip flights from O'Hare International Airport to Buffalo over the next 90 days, with one-way fares from DKK 599 and round-trip from DKK 1,266. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        ORD 21:16
        1h 43m
        Direct
        BUF 23:59
        Chicago - Buffalo | Sun, Oct 18 | American Airlines
        BUF 17:50
        2h 10m
        Direct
        ORD 19:00
        Buffalo - Chicago | Wed, Oct 21 | American Airlines
        DKK 1,702 DKK 2,527
        33% off
        33% off
        DKK 2,527 DKK 1,702
      • ORD 06:20
        5h 35m
        1 stop
        BUF 12:55
        Chicago - Buffalo | Thu, Oct 1 | Frontier Airlines
        BUF 13:45
        5h 38m
        1 stop
        ORD 18:23
        Buffalo - Chicago | Sun, Oct 4 | Frontier Airlines
        DKK 1,266 DKK 2,527
        50% off
        50% off
        DKK 2,527 DKK 1,266
      • ORD 06:20
        5h 30m
        1 stop
        BUF 12:50
        Chicago - Buffalo | Sun, Sep 27 | Frontier Airlines
        BUF 18:51
        29h 8m
        1 stop
        ORD 22:59
        Buffalo - Chicago | Wed, Sep 30 | Frontier Airlines
        DKK 1,313 DKK 2,527
        48% off
        48% off
        DKK 2,527 DKK 1,313
      • ORD 06:00
        5h 59m
        1 stop
        BUF 12:59
        Chicago - Buffalo | Sun, Oct 11 | Frontier Airlines
        BUF 12:53
        19h 38m
        1 stop
        ORD 07:31
        Buffalo - Chicago | Fri, Oct 16 | Frontier Airlines
        DKK 1,581
        37% off
        DKK 2,527 DKK 1,581
      • ORD 07:00
        5h 25m
        1 stop
        BUF 13:25
        Chicago - Buffalo | Thu, Oct 1 | Delta Air Lines
        BUF 13:45
        5h 38m
        1 stop
        ORD 18:23
        Buffalo - Chicago | Sun, Oct 4 | Frontier Airlines
        DKK 1,633
        35% off
        DKK 2,527 DKK 1,633
      • ORD 14:32
        1h 46m
        Direct
        BUF 17:18
        Chicago - Buffalo | Fri, Sep 25 | American Airlines
        BUF 17:58
        5h 2m
        1 stop
        ORD 22:00
        Buffalo - Chicago | Tue, Sep 29 | American Airlines
        DKK 1,635
        35% off
        DKK 2,527 DKK 1,635
      • ORD 17:29
        5h 30m
        1 stop
        BUF 23:59
        Chicago - Buffalo | Fri, Oct 9 | Delta Air Lines
        BUF 18:51
        14h
        1 stop
        ORD 07:51
        Buffalo - Chicago | Wed, Oct 14 | Frontier Airlines
        DKK 1,671
        34% off
        DKK 2,527 DKK 1,671
      • ORD 07:00
        5h 29m
        1 stop
        BUF 13:29
        Chicago - Buffalo | Sun, Oct 18 | Delta Air Lines
        BUF 19:00
        1h 40m
        Direct
        MDW 19:40
        Buffalo - Chicago | Wed, Oct 21 |
        DKK 1,671
        34% off
        DKK 2,527 DKK 1,671
      • ORD 17:29
        4h 9m
        1 stop
        BUF 22:38
        Chicago - Buffalo | Sun, Oct 11 | Delta Air Lines
        BUF 12:53
        19h 38m
        1 stop
        ORD 07:31
        Buffalo - Chicago | Fri, Oct 16 | Frontier Airlines
        DKK 1,759
        30% off
        DKK 2,527 DKK 1,759
      • ORD 14:32
        1h 46m
        Direct
        BUF 17:18
        Chicago - Buffalo | Thu, Oct 1 | American Airlines
        BUF 13:45
        5h 6m
        1 stop
        MDW 17:51
        Buffalo - Chicago | Sun, Oct 4 | Frontier Airlines
        DKK 1,789
        28% off
        DKK 2,527 DKK 1,789
      • ORD 06:00
        5h 59m
        1 stop
        BUF 12:59
        Chicago - Buffalo | Thu, Oct 15 | Frontier Airlines
        BUF 13:44
        5h 47m
        1 stop
        ORD 18:31
        Buffalo - Chicago | Sat, Oct 17 | Frontier Airlines
        DKK 1,792
        28% off
        DKK 2,527 DKK 1,792
      • ORD 19:30
        3h 29m
        1 stop
        BUF 23:59
        Chicago - Buffalo | Fri, Oct 16 | Delta Air Lines
        BUF 14:00
        1h 40m
        Direct
        MDW 14:40
        Buffalo - Chicago | Wed, Oct 21 |
        DKK 1,794
        28% off
        DKK 2,527 DKK 1,794
      • CHI 13:00
        17h 25m
        1 stop
        BUF 14:00
        Chicago - Buffalo | Sat, Sep 26 | Normal Airline
        BUF 15:00
        6h
        Direct
        CHI 16:00
        Buffalo - Chicago | Mon, Sep 28 | Normal Airline
        Find more flights
        Find more flights
      • Cheapest nonstop
        ORD 08:03
        1h 50m
        Direct
        BUF 10:53
        Chicago - Buffalo | Tue, Oct 20 | American Airlines
        DKK 728 DKK 1,070
        32% off
        32% off
        DKK 1,070 DKK 728
      • ORD 14:20
        1h 48m
        Direct
        BUF 17:08
        Chicago - Buffalo | Tue, Oct 13 | American Airlines
        DKK 733 DKK 1,070
        31% off
        31% off
        DKK 1,070 DKK 733
      • ORD 21:16
        1h 43m
        Direct
        BUF 23:59
        Chicago - Buffalo | Wed, Oct 7 | American Airlines
        DKK 749 DKK 1,070
        30% off
        30% off
        DKK 1,070 DKK 749
      • ORD 06:20
        5h 35m
        1 stop
        BUF 12:55
        Chicago - Buffalo | Wed, Oct 7 | Frontier Airlines
        DKK 599
        44% off
        DKK 1,070 DKK 599
      • ORD 09:00
        7h 56m
        1 stop
        BUF 17:56
        Chicago - Buffalo | Tue, Oct 20 | Frontier Airlines
        DKK 694
        35% off
        DKK 1,070 DKK 694
      • ORD 06:20
        5h 35m
        1 stop
        BUF 12:55
        Chicago - Buffalo | Wed, Sep 30 | Frontier Airlines
        DKK 699
        35% off
        DKK 1,070 DKK 699
      • ORD 08:36
        7h 52m
        1 stop
        BUF 17:28
        Chicago - Buffalo | Tue, Oct 20 | Delta Air Lines
        DKK 724
        32% off
        DKK 1,070 DKK 724
      • ORD 17:29
        5h 30m
        1 stop
        BUF 23:59
        Chicago - Buffalo | Tue, Oct 13 | Delta Air Lines
        DKK 729
        32% off
        DKK 1,070 DKK 729
      • ORD 08:36
        7h 52m
        1 stop
        BUF 17:28
        Chicago - Buffalo | Wed, Oct 7 | Delta Air Lines
        DKK 742
        31% off
        DKK 1,070 DKK 742
      • ORD 14:29
        7h 30m
        1 stop
        BUF 22:59
        Chicago - Buffalo | Tue, Oct 6 | Delta Air Lines
        DKK 754
        30% off
        DKK 1,070 DKK 754
      • ORD 09:30
        7h 6m
        1 stop
        BUF 17:36
        Chicago - Buffalo | Wed, Sep 30 | Delta Air Lines
        DKK 754
        30% off
        DKK 1,070 DKK 754
      • ORD 17:24
        5h 35m
        1 stop
        BUF 23:59
        Chicago - Buffalo | Wed, Oct 14 | Delta Air Lines
        DKK 759
        28% off
        DKK 1,070 DKK 759
      • CHI 13:00
        17h 25m
        1 stop
        BUF 14:00
        Chicago - Buffalo | Sat, Sep 26 | Normal Airline
        Find more flights
        Find more flights

Displayed flight fares from O'Hare International Airport to Buffalo are based on average prices across airlines for the next 3 months according to the latest Trip.com data.

Which airlines are the most popular for O'Hare International Airport to Buffalo flights?

See which airlines fly from O'Hare International Airport to Buffalo. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.
American Airlines logo American Airlines
United Airlines logo United Airlines

Flight Schedule from O'Hare International Airport to Buffalo

Check the schedule for flights from O'Hare International Airport to Buffalo and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. AA564

    O'Hare International Airport

    20:29

    ORD

    1h 44m

    23:13

    BUF

    S M T W T F S
    Search

  2. AA3013

    O'Hare International Airport

    14:32

    ORD

    1h 46m

    17:18

    BUF

    S M T W T F S
    Search

  3. DL2039

    O'Hare International Airport

    07:00

    ORD

    1h 26m

    Direct

    09:26

    DTW

    S M T W T F S
    Search

  4. DL3861

    Detroit Metropolitan Wayne County Airport

    10:05

    DTW

    1h 17m

    Direct

    11:22

    BUF

    S M T W T F S

  5. AA673

    O'Hare International Airport

    18:45

    ORD

    2h 20m

    Direct

    22:05

    LGA

    S M T W T F S
    Search

  6. AA4521

    LaGuardia Airport

    19:59

    LGA

    1h 31m

    Direct

    21:30

    BUF

    S M T W T - S

  7. AA514

    O'Hare International Airport

    18:55

    ORD

    2h 5m

    Direct

    22:00

    DCA

    S M T W T F S
    Search

  8. AA5268

    Ronald Reagan Washington National Airport

    22:26

    DCA

    1h 28m

    Direct

    23:54

    BUF

    S M T W T F S

  9. AA471

    O'Hare International Airport

    06:30

    ORD

    2h 18m

    Direct

    09:48

    PHL

    S M T W T F S
    Search

  10. AA5800

    Philadelphia International Airport

    11:05

    PHL

    1h 37m

    Direct

    12:42

    BUF

    S M T W T F S

  11. DL2358

    O'Hare International Airport

    17:10

    ORD

    1h 30m

    Direct

    19:40

    DTW

    S M T W T F S
    Search

  12. DL978

    Detroit Metropolitan Wayne County Airport

    22:50

    DTW

    1h 12m

    Direct

    00:02

    BUF

    S M T W T F S

  13. F91596

    O'Hare International Airport

    06:20

    ORD

    2h 9m

    Direct

    09:29

    ATL

    S M T W T F S
    Search

  14. F91408

    Hartsfield–Jackson Atlanta International Airport

    10:48

    ATL

    2h 7m

    Direct

    12:55

    BUF

    S - T - T F -

  15. DL1642

    O'Hare International Airport

    09:30

    ORD

    2h 19m

    Direct

    12:49

    LGA

    S M T W T - -
    Search

  16. DL5792

    LaGuardia Airport

    15:59

    LGA

    1h 37m

    Direct

    17:36

    BUF

    S M T W T F S

  17. F92792

    O'Hare International Airport

    11:15

    ORD

    2h 53m

    Direct

    15:08

    MCO

    S - - - T - S
    Search

  18. F91692

    Orlando International Airport

    15:08

    MCO

    2h 37m

    Direct

    17:45

    BUF

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

What to know about flights from O'Hare International Airport to Buffalo?

Cheapest return ticket price DKK 1,635
Cheapest one-way flight price DKK 599
Off-season travel month September
Peak season for travel December

FAQs for O'Hare International Airport to Buffalo Flights

  • When is peak season for travel to Buffalo?

    ؜The peak travel time for visiting Buffalo is October. During this time, flights from O'Hare International Airport to Buffalo are the most expensive. Cheap tickets can still be booked on Trip.com.
  • Flights from O'Hare International Airport (CHI) to O'Hare International Airport(BUF) take around 1 hour 38 minutes.
  • There are 1 airport(s) in Buffalo (BUF): Buffalo Niagara International Airport.
  • American Airlines is a very popular airline operating an average of 1741 flights per month.
  • Yes. United Airlines and American Airlines operate direct flights from O'Hare International Airport to Buffalo. The average flight time is approximately 1 hour 13 minutes, with about 4 flights per week. Actual schedules may vary by season.
  • The cheapest one-way flight from O'Hare International Airport to Buffalo currently starts from DKK 599, with round-trip fares from DKK 1,266. The lowest fare is offered by Frontier Airlines departing on Wed, Oct 7; prices are subject to availability.
  • Yes. The average flight time from O'Hare International Airport to Buffalo is about 1 hour 11 minutes. Actual flight time may vary due to routing, weather, and air traffic.
  • Currently, multiple airlines offer flights from O'Hare International Airport to Buffalo, including: American Airlines United Airlines The selected airlines are based on Trip.com user booking data from the past 90 days.
  • Based on Trip.com flight data for departures within the next 30 days, the average one-way fare from O'Hare International Airport to Buffalo is DKK 1,375, and the average round-trip fare is DKK 2,417. Prices may vary depending on the departure date, airline, and availability.
  • The earliest flight from O'Hare International Airport to Buffalo departs at 06:49, and the latest one departs at 19:20. There are approximately 7 flights per day. Flight times may change, so please check the latest departure and arrival times before your trip.
  • Flights from O'Hare International Airport to Buffalo usually arrive at Buffalo Niagara International Airport. Buffalo Niagara International Airport is the most convenient option for this route.

Find Cheap Flights with Trip.com

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

Book with no extra fees

Prices displayed on this page are all-inclusive (including taxes, fuel surcharges, civil aviation development fund, etc.), with all fees confirmed before payment. Fees for luggage, meals, Wi-Fi, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours—sometimes even in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the cancellation and change policies for each flight ticket during the booking process, including any fees and applicable conditions. Please check 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 according to the airline's ticket policy.
Cancellation/change due to a flight schedule change:
If the flight schedule has changed and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please visit the customer support pages.