Trip.com
>
Flights
>
Flights to United States
>
Flights to New York State
>
Flights to Buffalo
>
Chicago to Buffalo flight
>
O'Hare Intl. Airport to Buffalo flight

Explore the cheapest one-way and round-trip flights from O'Hare Intl. Airport to Buffalo over the next 90 days, with one-way fares from $92 and round-trip from $193. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        ORD 9:16 PM
        1h 43m
        Nonstop
        BUF 11:59 PM
        Chicago - Buffalo | Sun, Oct 18 | American Airlines
        BUF 5:50 PM
        2h 10m
        Nonstop
        ORD 7:00 PM
        Buffalo - Chicago | Wed, Oct 21 | American Airlines
        $260 $386
        33% off
        33% off
        $386 $260
      • ORD 6:20 AM
        5h 35m
        1 stop
        BUF 12:55 PM
        Chicago - Buffalo | Thu, Oct 1 | Frontier Airlines
        BUF 1:45 PM
        5h 38m
        1 stop
        ORD 6:23 PM
        Buffalo - Chicago | Sun, Oct 4 | Frontier Airlines
        $193 $386
        50% off
        50% off
        $386 $193
      • ORD 6:20 AM
        5h 30m
        1 stop
        BUF 12:50 PM
        Chicago - Buffalo | Sun, Sep 27 | Frontier Airlines
        BUF 6:51 PM
        29h 8m
        1 stop
        ORD 10:59 PM
        Buffalo - Chicago | Wed, Sep 30 | Frontier Airlines
        $201 $386
        48% off
        48% off
        $386 $201
      • ORD 6:00 AM
        5h 59m
        1 stop
        BUF 12:59 PM
        Chicago - Buffalo | Sun, Oct 11 | Frontier Airlines
        BUF 12:53 PM
        19h 38m
        1 stop
        ORD 7:31 AM
        Buffalo - Chicago | Fri, Oct 16 | Frontier Airlines
        $241
        38% off
        $386 $241
      • ORD 7:00 AM
        5h 25m
        1 stop
        BUF 1:25 PM
        Chicago - Buffalo | Thu, Oct 1 | Delta Air Lines
        BUF 1:45 PM
        5h 38m
        1 stop
        ORD 6:23 PM
        Buffalo - Chicago | Sun, Oct 4 | Frontier Airlines
        $249
        35% off
        $386 $249
      • ORD 2:32 PM
        1h 46m
        Nonstop
        BUF 5:18 PM
        Chicago - Buffalo | Fri, Sep 25 | American Airlines
        BUF 5:58 PM
        5h 2m
        1 stop
        ORD 10:00 PM
        Buffalo - Chicago | Tue, Sep 29 | American Airlines
        $250
        35% off
        $386 $250
      • ORD 5:29 PM
        5h 30m
        1 stop
        BUF 11:59 PM
        Chicago - Buffalo | Fri, Oct 9 | Delta Air Lines
        BUF 6:51 PM
        14h
        1 stop
        ORD 7:51 AM
        Buffalo - Chicago | Wed, Oct 14 | Frontier Airlines
        $255
        34% off
        $386 $255
      • ORD 7:00 AM
        5h 29m
        1 stop
        BUF 1:29 PM
        Chicago - Buffalo | Sun, Oct 18 | Delta Air Lines
        BUF 7:00 PM
        1h 40m
        Nonstop
        MDW 7:40 PM
        Buffalo - Chicago | Wed, Oct 21 |
        $255
        34% off
        $386 $255
      • ORD 5:29 PM
        4h 9m
        1 stop
        BUF 10:38 PM
        Chicago - Buffalo | Sun, Oct 11 | Delta Air Lines
        BUF 12:53 PM
        19h 38m
        1 stop
        ORD 7:31 AM
        Buffalo - Chicago | Fri, Oct 16 | Frontier Airlines
        $268
        31% off
        $386 $268
      • ORD 2:32 PM
        1h 46m
        Nonstop
        BUF 5:18 PM
        Chicago - Buffalo | Thu, Oct 1 | American Airlines
        BUF 1:45 PM
        5h 6m
        1 stop
        MDW 5:51 PM
        Buffalo - Chicago | Sun, Oct 4 | Frontier Airlines
        $273
        28% off
        $386 $273
      • ORD 6:00 AM
        5h 59m
        1 stop
        BUF 12:59 PM
        Chicago - Buffalo | Thu, Oct 15 | Frontier Airlines
        BUF 1:44 PM
        5h 47m
        1 stop
        ORD 6:31 PM
        Buffalo - Chicago | Sat, Oct 17 | Frontier Airlines
        $273
        28% off
        $386 $273
      • ORD 7:30 PM
        3h 29m
        1 stop
        BUF 11:59 PM
        Chicago - Buffalo | Fri, Oct 16 | Delta Air Lines
        BUF 2:00 PM
        1h 40m
        Nonstop
        MDW 2:40 PM
        Buffalo - Chicago | Wed, Oct 21 |
        $274
        28% off
        $386 $274
      • CHI 1:00 PM
        17h 25m
        1 stop
        BUF 2:00 PM
        Chicago - Buffalo | Sat, Sep 26 | Normal Airline
        BUF 3:00 PM
        6h
        Nonstop
        CHI 4:00 PM
        Buffalo - Chicago | Mon, Sep 28 | Normal Airline
        Find more flights
        Find more flights
      • Cheapest nonstop
        ORD 8:03 AM
        1h 50m
        Nonstop
        BUF 10:53 AM
        Chicago - Buffalo | Wed, Oct 21 | American Airlines
        $111 $162
        31% off
        31% off
        $162 $111
      • ORD 2:20 PM
        1h 48m
        Nonstop
        BUF 5:08 PM
        Chicago - Buffalo | Wed, Oct 14 | American Airlines
        $112 $162
        31% off
        31% off
        $162 $112
      • ORD 9:16 PM
        1h 43m
        Nonstop
        BUF 11:59 PM
        Chicago - Buffalo | Thu, Oct 8 | American Airlines
        $115 $162
        28% off
        28% off
        $162 $115
      • ORD 7:20 PM
        1h 50m
        Nonstop
        BUF 10:10 PM
        Chicago - Buffalo | Fri, Sep 25 | American Airlines
        $115
        28% off
        $162 $115
      • ORD 6:20 AM
        5h 35m
        1 stop
        BUF 12:55 PM
        Chicago - Buffalo | Thu, Oct 8 | Frontier Airlines
        $92
        43% off
        $162 $92
      • ORD 9:00 AM
        7h 56m
        1 stop
        BUF 5:56 PM
        Chicago - Buffalo | Wed, Oct 21 | Frontier Airlines
        $106
        35% off
        $162 $106
      • ORD 6:20 AM
        5h 35m
        1 stop
        BUF 12:55 PM
        Chicago - Buffalo | Thu, Oct 1 | Frontier Airlines
        $107
        34% off
        $162 $107
      • ORD 8:36 AM
        7h 52m
        1 stop
        BUF 5:28 PM
        Chicago - Buffalo | Wed, Oct 21 | Delta Air Lines
        $111
        31% off
        $162 $111
      • ORD 5:29 PM
        5h 30m
        1 stop
        BUF 11:59 PM
        Chicago - Buffalo | Wed, Oct 14 | Delta Air Lines
        $112
        31% off
        $162 $112
      • ORD 8:36 AM
        7h 52m
        1 stop
        BUF 5:28 PM
        Chicago - Buffalo | Thu, Oct 8 | Delta Air Lines
        $113
        30% off
        $162 $113
      • ORD 7:30 PM
        3h 23m
        1 stop
        BUF 11:53 PM
        Chicago - Buffalo | Fri, Sep 25 | Delta Air Lines
        $113
        30% off
        $162 $113
      • ORD 2:29 PM
        7h 30m
        1 stop
        BUF 10:59 PM
        Chicago - Buffalo | Wed, Oct 7 | Delta Air Lines
        $115
        28% off
        $162 $115
      • CHI 1:00 PM
        17h 25m
        1 stop
        BUF 2:00 PM
        Chicago - Buffalo | Sat, Sep 26 | Normal Airline
        Find more flights
        Find more flights

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

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

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

Flight Schedule from O'Hare Intl. Airport to Buffalo

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. AA564

    O'Hare Intl. Airport

    8:29 PM

    ORD

    1h 44m

    11:13 PM

    BUF

    S M T W T F S
    Search

  2. AA3013

    O'Hare Intl. Airport

    2:32 PM

    ORD

    1h 46m

    5:18 PM

    BUF

    S M T W T F S
    Search

  3. DL2039

    O'Hare Intl. Airport

    7:00 AM

    ORD

    1h 26m

    Nonstop

    9:26 AM

    DTW

    S M T W T F S
    Search

  4. DL3861

    Detroit Metropolitan Wayne County Airport

    10:05 AM

    DTW

    1h 17m

    Nonstop

    11:22 AM

    BUF

    S M T W T F S

  5. AA673

    O'Hare Intl. Airport

    6:45 PM

    ORD

    2h 20m

    Nonstop

    10:05 PM

    LGA

    S M T W T F S
    Search

  6. AA4521

    LaGuardia Airport

    7:59 PM

    LGA

    1h 31m

    Nonstop

    9:30 PM

    BUF

    S M T W T - S

  7. AA514

    O'Hare Intl. Airport

    6:55 PM

    ORD

    2h 5m

    Nonstop

    10:00 PM

    DCA

    S M T W T F S
    Search

  8. AA5268

    Ronald Reagan Washington National Airport

    10:26 PM

    DCA

    1h 28m

    Nonstop

    11:54 PM

    BUF

    S M T W T F S

  9. AA471

    O'Hare Intl. Airport

    6:30 AM

    ORD

    2h 18m

    Nonstop

    9:48 AM

    PHL

    S M T W T F S
    Search

  10. AA5800

    Philadelphia International Airport

    11:05 AM

    PHL

    1h 37m

    Nonstop

    12:42 PM

    BUF

    S M T W T F S

  11. DL2358

    O'Hare Intl. Airport

    5:10 PM

    ORD

    1h 30m

    Nonstop

    7:40 PM

    DTW

    S M T W T F S
    Search

  12. DL978

    Detroit Metropolitan Wayne County Airport

    10:50 PM

    DTW

    1h 12m

    Nonstop

    12:02 AM

    BUF

    S M T W T F S

  13. F91596

    O'Hare Intl. Airport

    6:20 AM

    ORD

    2h 9m

    Nonstop

    9:29 AM

    ATL

    S M T W T F S
    Search

  14. F91408

    Hartsfield–Jackson Atlanta International Airport

    10:48 AM

    ATL

    2h 7m

    Nonstop

    12:55 PM

    BUF

    S - T - T F -

  15. DL1642

    O'Hare Intl. Airport

    9:30 AM

    ORD

    2h 19m

    Nonstop

    12:49 PM

    LGA

    S M T W T - -
    Search

  16. DL5792

    LaGuardia Airport

    3:59 PM

    LGA

    1h 37m

    Nonstop

    5:36 PM

    BUF

    S M T W T F S

  17. F92792

    O'Hare Intl. Airport

    11:15 AM

    ORD

    2h 53m

    Nonstop

    3:08 PM

    MCO

    S - - W T - S
    Search

  18. F91692

    Orlando Intl. Airport

    3:08 PM

    MCO

    2h 37m

    Nonstop

    5:45 PM

    BUF

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

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

Cheapest round-trip ticket price $250
Cheapest one-way flight price $92
Off-season for travel September
Peak season for travel December

FAQs for O'Hare Intl. 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 Intl. Airport to Buffalo are the most expensive. Cheap tickets can still be booked on Trip.com.
  • Flights from O'Hare Intl. Airport (CHI) to Buffalo Niagara International Airport (BUF) take around 1 hour 38 minutes.
  • American Airlines is a very popular airline operating an average of 1741 flights per month.
  • The earliest flight departs from O'Hare Intl. Airport (CHI) at 07:10 and arrives in Buffalo (BUF) at 09:53.
  • The latest flight departs from O'Hare Intl. Airport (CHI) at 20:50 and arrives in Buffalo (BUF) at 23:35.
  • Yes. United Airlines and American Airlines operate direct flights from O'Hare Intl. 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 Intl. Airport to Buffalo currently starts from $92, with round-trip fares from $193. The lowest fare is offered by Frontier Airlines departing on Thu, Oct 8; prices are subject to availability.
  • Yes. The average flight time from O'Hare Intl. 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 Intl. 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 Intl. Airport to Buffalo is $210, and the average round-trip fare is $369. Prices may vary depending on the departure date, airline, and availability.
  • The earliest flight from O'Hare Intl. 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 Intl. Airport to Buffalo usually arrive at Buffalo Niagara International Airport. Buffalo Niagara International Airport is the most convenient option for this route.

Popular Destinations

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

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, 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 were updated within last 25 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled 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 check the customer support pages.