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O'Hare Intl. Airport to Buffalo Niagara International Airport flight

Explore the cheapest one-way and round-trip flights from O'Hare Intl. Airport to Buffalo Niagara International Airport over the next 90 days, with one-way fares from $118 and round-trip from $259. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      ORD 7:05 PM
      1h 50m
      BUF 9:55 PM
      Chicago - Buffalo | Thu, Dec 10 | American Airlines
      BUF 7:10 PM
      1h 50m
      MDW 8:00 PM
      Buffalo - Chicago | Sun, Dec 13 |
      $261 $398
      34% off
      34% off
      $398 $261
    • ORD 5:54 PM
      1h 52m
      BUF 8:46 PM
      Chicago - Buffalo | Thu, Dec 10 | United Airlines
      BUF 4:00 PM
      1h 45m
      MDW 4:45 PM
      Buffalo - Chicago | Sun, Dec 13 |
      $294 $398
      26% off
      26% off
      $398 $294
    • ORD 8:39 AM
      5h 40m
      BUF 3:19 PM
      Chicago - Buffalo | Thu, Dec 10 | Delta Air Lines
      BUF 7:10 PM
      1h 50m
      MDW 8:00 PM
      Buffalo - Chicago | Sun, Dec 13 |
      $259 $398
      35% off
      35% off
      $398 $259
    • ORD 5:58 PM
      5h 7m
      BUF 12:05 AM
      Chicago - Buffalo | Fri, Nov 27 | American Airlines
      BUF 6:40 PM
      2h 19m
      ORD 7:59 PM
      Buffalo - Chicago | Wed, Dec 2 | American Airlines
      $280
      30% off
      $398 $280
    • ORD 5:29 PM
      4h 16m
      BUF 10:45 PM
      Chicago - Buffalo | Thu, Nov 26 | American Airlines
      BUF 11:17 AM
      2h 12m
      ORD 12:29 PM
      Buffalo - Chicago | Wed, Dec 2 | American Airlines
      $280
      30% off
      $398 $280
    • ORD 5:05 PM
      5h 53m
      BUF 11:58 PM
      Chicago - Buffalo | Wed, Nov 18 | Delta Air Lines
      BUF 9:20 PM
      28h 22m
      ORD 12:42 AM
      Buffalo - Chicago | Tue, Nov 24 | Frontier Airlines
      $315
      21% off
      $398 $315
    • ORD 5:12 PM
      26h 12m
      BUF 8:24 PM
      Chicago - Buffalo | Sat, Nov 28 | Frontier Airlines
      BUF 9:20 PM
      19h 32m
      ORD 3:52 PM
      Buffalo - Chicago | Tue, Dec 1 | Frontier Airlines
      $339
      15% off
      $398 $339
    • ORD 5:12 PM
      18h 16m
      BUF 12:28 PM
      Chicago - Buffalo | Fri, Nov 27 | Frontier Airlines
      BUF 9:20 PM
      23h 27m
      MDW 7:47 PM
      Buffalo - Chicago | Tue, Dec 1 | Frontier Airlines
      $343
      14% off
      $398 $343
    • ORD 9:51 AM
      7h 1m
      BUF 5:52 PM
      Chicago - Buffalo | Sat, Oct 31 | Frontier Airlines
      BUF 1:48 PM
      10h 59m
      MDW 11:47 PM
      Buffalo - Chicago | Wed, Nov 4 | Frontier Airlines
      $344
      14% off
      $398 $344
    • CHI 1:00 PM
      17h 25m
      1 stop
      BUF 2:00 PM
      Chicago - Buffalo | Wed, Oct 21 | Normal Airline
      BUF 3:00 PM
      6h
      Nonstop
      CHI 4:00 PM
      Buffalo - Chicago | Fri, Oct 23 | Normal Airline
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    • Cheapest
      ORD 9:16 PM
      1h 43m
      Nonstop
      BUF 11:59 PM
      Chicago - Buffalo | Thu, Oct 29 | American Airlines
      $118 $165
      28% off
      28% off
      $165 $118
    • Cheapest
      ORD 2:30 PM
      7h 30m
      1 stop
      BUF 11:00 PM
      Chicago - Buffalo | Thu, Oct 29 | Delta Air Lines
      $118 $165
      28% off
      28% off
      $165 $118
    • Cheapest
      ORD 7:00 AM
      3h 35m
      1 stop
      BUF 11:35 AM
      Chicago - Buffalo | Tue, Oct 27 | Delta Air Lines
      $118 $364
      68% off
      68% off
      $364 $118
    • ORD 10:30 AM
      7h 26m
      1 stop
      BUF 6:56 PM
      Chicago - Buffalo | Wed, Oct 28 | Delta Air Lines
      $123
      25% off
      $165 $123
    • ORD 8:07 AM
      1h 42m
      Nonstop
      BUF 10:49 AM
      Chicago - Buffalo | Wed, Oct 28 | American Airlines
      $124
      25% off
      $165 $124
    • ORD 2:20 PM
      1h 48m
      Nonstop
      BUF 5:08 PM
      Chicago - Buffalo | Mon, Oct 26 | American Airlines
      $124
      66% off
      $364 $124
    • ORD 7:31 AM
      5h 18m
      1 stop
      BUF 1:49 PM
      Chicago - Buffalo | Sat, Nov 21 | Frontier Airlines
      $129
      22% off
      $165 $129
    • ORD 8:45 AM
      7h 46m
      1 stop
      BUF 5:31 PM
      Chicago - Buffalo | Fri, Nov 20 | Delta Air Lines
      $131
      21% off
      $165 $131
    • ORD 7:00 PM
      1h 37m
      Nonstop
      BUF 9:37 PM
      Chicago - Buffalo | Fri, Nov 20 | American Airlines
      $131
      21% off
      $165 $131
    • CHI 1:00 PM
      17h 25m
      1 stop
      BUF 2:00 PM
      Chicago - Buffalo | Wed, Oct 21 | Normal Airline
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    • Cheapest nonstop
      ORD 2:20 PM
      1h 48m
      Nonstop
      BUF 5:08 PM
      Chicago - Buffalo | Mon, Oct 26 | American Airlines
      $124 $307
      60% off
      60% off
      $307 $124
    • ORD 2:20 PM
      1h 48m
      Nonstop
      BUF 5:08 PM
      Chicago - Buffalo | Sat, Oct 24 | American Airlines
      $266 $307
      13% off
      13% off
      $307 $266
    • ORD 8:03 AM
      1h 50m
      Nonstop
      BUF 10:53 AM
      Chicago - Buffalo | Tue, Oct 20 | American Airlines
      $270 $307
      12% off
      12% off
      $307 $270
    • CHI 1:00 PM
      17h 25m
      1 stop
      BUF 2:00 PM
      Chicago - Buffalo | Wed, Oct 21 | Normal Airline
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    • Cheapest nonstop
      ORD 2:20 PM
      1h 48m
      Nonstop
      BUF 5:08 PM
      Chicago - Buffalo | Mon, Oct 26 | American Airlines
      $124 $364
      66% off
      66% off
      $364 $124
    • ORD 2:20 PM
      1h 48m
      Nonstop
      BUF 5:08 PM
      Chicago - Buffalo | Sat, Oct 24 | American Airlines
      $266 $364
      27% off
      27% off
      $364 $266
    • ORD 8:03 AM
      1h 50m
      Nonstop
      BUF 10:53 AM
      Chicago - Buffalo | Tue, Oct 20 | American Airlines
      $270 $364
      26% off
      26% off
      $364 $270
    • ORD 7:00 AM
      3h 35m
      1 stop
      BUF 11:35 AM
      Chicago - Buffalo | Tue, Oct 27 | Delta Air Lines
      $118
      68% off
      $364 $118
    • ORD 7:00 AM
      3h 35m
      1 stop
      BUF 11:35 AM
      Chicago - Buffalo | Sat, Oct 24 | Delta Air Lines
      $278
      24% off
      $364 $278
    • ORD 5:29 PM
      4h 30m
      1 stop
      BUF 10:59 PM
      Chicago - Buffalo | Sun, Dec 27 | American Airlines
      $320
      12% off
      $364 $320
    • CHI 1:00 PM
      17h 25m
      1 stop
      BUF 2:00 PM
      Chicago - Buffalo | Wed, Oct 21 | Normal Airline
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    • Cheapest nonstop
      ORD 2:20 PM
      1h 48m
      Nonstop
      BUF 5:08 PM
      Chicago - Buffalo | Mon, Oct 26 | American Airlines
      $124 $316
      61% off
      61% off
      $316 $124
    • ORD 2:20 PM
      1h 48m
      Nonstop
      BUF 5:08 PM
      Chicago - Buffalo | Sat, Oct 24 | American Airlines
      $266 $316
      16% off
      16% off
      $316 $266
    • ORD 8:03 AM
      1h 50m
      Nonstop
      BUF 10:53 AM
      Chicago - Buffalo | Tue, Oct 20 | American Airlines
      $270 $316
      15% off
      15% off
      $316 $270
    • ORD 7:00 AM
      3h 35m
      1 stop
      BUF 11:35 AM
      Chicago - Buffalo | Sat, Oct 24 | Delta Air Lines
      $278
      12% off
      $316 $278
    • CHI 1:00 PM
      17h 25m
      1 stop
      BUF 2:00 PM
      Chicago - Buffalo | Wed, Oct 21 | Normal Airline
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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 Intl. Airport to Buffalo Niagara International Airport?

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

American Airlines
From $118
Delta Air Lines
From $118
Frontier Airlines
From $129
United Airlines
From $149
Jetblue Airways
From $299

Find more flights and airlines

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

Check the schedule for flights from Chicago to Buffalo and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. AA3664

    O'Hare Intl. Airport

    8:03 AM

    ORD

    1h 42m

    10:45 AM

    BUF

    S - - - - F S
    Search

  2. AA564

    O'Hare Intl. Airport

    9:16 PM

    ORD

    1h 43m

    11:59 PM

    BUF

    S M T W T F S
    Search

  3. UA1335

    O'Hare Intl. Airport

    6:00 PM

    ORD

    1h 47m

    8:47 PM

    BUF

    S M T W T F S
    Search

  4. AA4780

    O'Hare Intl. Airport

    8:15 AM

    ORD

    1h 51m

    11:06 AM

    BUF

    - M T W T - -
    Search

  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. AA1743

    O'Hare Intl. Airport

    5:29 PM

    ORD

    2h 38m

    Nonstop

    9:07 PM

    PHL

    S M T W T F S
    Search

  8. AA6117

    Philadelphia International Airport

    10:01 PM

    PHL

    1h 31m

    Nonstop

    11:32 PM

    BUF

    S M T W T F S

  9. F91596

    O'Hare Intl. Airport

    10:26 AM

    ORD

    2h 8m

    Nonstop

    1:34 PM

    ATL

    S M T W T F S
    Search

  10. F91408

    Hartsfield–Jackson Atlanta International Airport

    10:49 AM

    ATL

    2h 10m

    Nonstop

    12:59 PM

    BUF

    S - T - T F -

  11. DL4929

    O'Hare Intl. Airport

    10:30 AM

    ORD

    2h 24m

    Nonstop

    1:54 PM

    JFK

    S M T W T F S
    Search

  12. DL5250

    John F Kennedy Intl. Airport

    5:10 PM

    JFK

    1h 46m

    Nonstop

    6:56 PM

    BUF

    S M T W T F S

  13. DL1865

    O'Hare Intl. Airport

    2:30 PM

    ORD

    2h 21m

    Nonstop

    5:51 PM

    LGA

    S M T W T F S
    Search

  14. DL5815

    LaGuardia Airport

    9:30 PM

    LGA

    1h 30m

    Nonstop

    11:00 PM

    BUF

    S M T W T - S

  15. DL5666

    O'Hare Intl. Airport

    6:10 AM

    ORD

    2h 17m

    Nonstop

    9:27 AM

    JFK

    S M T W T F S
    Search

  16. DL5296

    John F Kennedy Intl. Airport

    1:29 PM

    JFK

    1h 42m

    Nonstop

    3:11 PM

    BUF

    S M T W T F S
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About O'Hare Intl. Airport and Buffalo Niagara International Airport

Learn about O'Hare Intl. 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 $118
Cheapest return ticket price $259

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

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

    O'Hare Intl. Airport to Buffalo Niagara International Airport takes about 1 hour 10 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 6 daily flights from O'Hare Intl. Airport (ORD) to Buffalo Niagara International Airport (BUF).
  • The earliest flight from O'Hare Intl. Airport to Buffalo Niagara International Airport departs at 06:29, and the last departs at 21:16, with about 10 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from O'Hare Intl. Airport (ORD) to Buffalo Niagara International Airport (BUF) is quite popular. Without considering departure times or holidays, tickets cost around $227 in November, the most expensive month to book this route.
  • The earliest flight departs from O'Hare Intl. Airport (ORD) at 07:10 and arrives in Buffalo Niagara International Airport (BUF) at 09:53.
  • The latest flight departs from O'Hare Intl. Airport (ORD) at 20:50 and arrives in Buffalo Niagara International Airport (BUF) at 23:35.
  • American Airlines is a very popular airline operating an average of 1741 flights per month.
  • One-way flights from O'Hare Intl. Airport to Buffalo Niagara International Airport currently start from $118, and round-trip fares start from $259. The current lowest fare is a American Airlines flight departing on Thu, Oct 29; prices may vary depending on availability.
  • Yes. United Airlines and American Airlines operate direct flights from O'Hare Intl. Airport to Buffalo Niagara International Airport, with an average flight time of 1 hour 7 minutes, and around 50 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 Intl. Airport to Buffalo Niagara International Airport is $220. Prices may vary depending on the departure date, airline, and availability.
  • O'Hare Intl. 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 Intl. 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.

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 24 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.