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Buffalo Niagara International Airport to O'Hare International Airport flight

Explore the cheapest one-way and round-trip flights from Buffalo Niagara International Airport to O'Hare International Airport over the next 90 days, with one-way fares from PLN 362 and round-trip from PLN 692. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        BUF 11:24 AM
        2h 5m
        Nonstop
        ORD 12:29 PM
        Buffalo - Chicago | Tue, Oct 20 | American Airlines
        ORD 9:16 PM
        1h 43m
        Nonstop
        BUF 11:59 PM
        Chicago - Buffalo | Thu, Oct 22 | American Airlines
        PLN 828 PLN 952
        13% off
        13% off
        PLN 952 PLN 828
      • BUF 7:59 AM
        2h 11m
        Nonstop
        ORD 9:10 AM
        Buffalo - Chicago | Sat, Oct 3 | American Airlines
        ORD 2:20 PM
        1h 48m
        Nonstop
        BUF 5:08 PM
        Chicago - Buffalo | Tue, Oct 6 | American Airlines
        PLN 829 PLN 952
        13% off
        13% off
        PLN 952 PLN 829
      • BUF 1:44 PM
        5h 47m
        1 stop
        ORD 6:31 PM
        Buffalo - Chicago | Sat, Oct 17 | Frontier Airlines
        MDW 6:15 AM
        5h 44m
        1 stop
        BUF 12:59 PM
        Chicago - Buffalo | Wed, Oct 21 | Frontier Airlines
        PLN 692 PLN 952
        27% off
        27% off
        PLN 952 PLN 692
      • BUF 1:45 PM
        5h 38m
        1 stop
        ORD 6:23 PM
        Buffalo - Chicago | Sat, Sep 26 | Frontier Airlines
        ORD 6:20 AM
        5h 30m
        1 stop
        BUF 12:50 PM
        Chicago - Buffalo | Sat, Oct 3 | Frontier Airlines
        PLN 698
        27% off
        PLN 952 PLN 698
      • BUF 1:40 PM
        5h 43m
        1 stop
        ORD 6:23 PM
        Buffalo - Chicago | Wed, Sep 23 | Frontier Airlines
        ORD 6:20 AM
        5h 35m
        1 stop
        BUF 12:55 PM
        Chicago - Buffalo | Wed, Sep 30 | Frontier Airlines
        PLN 701
        26% off
        PLN 952 PLN 701
      • BUF 1:44 PM
        5h 47m
        1 stop
        ORD 6:31 PM
        Buffalo - Chicago | Sat, Oct 24 | Frontier Airlines
        MDW 6:16 AM
        5h 59m
        1 stop
        BUF 1:15 PM
        Chicago - Buffalo | Wed, Oct 28 | Frontier Airlines
        PLN 786
        17% off
        PLN 952 PLN 786
      • BUF 1:40 PM
        5h 43m
        1 stop
        ORD 6:23 PM
        Buffalo - Chicago | Wed, Oct 7 | Frontier Airlines
        MDW 6:21 AM
        5h 38m
        1 stop
        BUF 12:59 PM
        Chicago - Buffalo | Wed, Oct 14 | Frontier Airlines
        PLN 807
        15% off
        PLN 952 PLN 807
      • BUF 1:13 PM
        8h 15m
        1 stop
        ORD 8:28 PM
        Buffalo - Chicago | Thu, Oct 22 | Frontier Airlines
        ORD 4:49 PM
        24h 18m
        1 stop
        BUF 6:07 PM
        Chicago - Buffalo | Mon, Oct 26 | Frontier Airlines
        PLN 818
        14% off
        PLN 952 PLN 818
      • BUF 1:44 PM
        5h 47m
        1 stop
        ORD 6:31 PM
        Buffalo - Chicago | Sat, Oct 10 | Frontier Airlines
        ORD 4:20 PM
        1h 30m
        Nonstop
        BUF 6:50 PM
        Chicago - Buffalo | Sat, Oct 17 |
        PLN 827
        13% off
        PLN 952 PLN 827
      • BUF 3:53 PM
        5h 37m
        1 stop
        ORD 8:30 PM
        Buffalo - Chicago | Sat, Oct 3 | Delta Air Lines
        MDW 6:44 PM
        4h 15m
        1 stop
        BUF 11:59 PM
        Chicago - Buffalo | Tue, Oct 6 | Delta Air Lines
        PLN 844
        11% off
        PLN 952 PLN 844
      • BUF 2:10 PM
        6h 10m
        1 stop
        ORD 7:20 PM
        Buffalo - Chicago | Tue, Oct 20 | Delta Air Lines
        ORD 7:30 PM
        3h 29m
        1 stop
        BUF 11:59 PM
        Chicago - Buffalo | Thu, Oct 22 | Delta Air Lines
        PLN 847
        11% off
        PLN 952 PLN 847
      • BUF 2:10 PM
        6h 10m
        1 stop
        ORD 7:20 PM
        Buffalo - Chicago | Sat, Oct 17 | Delta Air Lines
        MDW 6:44 PM
        4h 15m
        1 stop
        BUF 11:59 PM
        Chicago - Buffalo | Wed, Oct 21 | Delta Air Lines
        PLN 856
        10% off
        PLN 952 PLN 856
      • BUF 1:00 PM
        17h 25m
        1 stop
        CHI 2:00 PM
        Buffalo - Chicago | Tue, Sep 22 | Normal Airline
        CHI 3:00 PM
        6h
        Nonstop
        BUF 4:00 PM
        Chicago - Buffalo | Thu, Sep 24 | Normal Airline
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      • Cheapest nonstop
        BUF 6:50 PM
        2h 10m
        Nonstop
        ORD 8:00 PM
        Buffalo - Chicago | Fri, Nov 6 | American Airlines
        PLN 464 PLN 523
        11% off
        11% off
        PLN 523 PLN 464
      • BUF 6:56 PM
        2h 19m
        Nonstop
        ORD 8:15 PM
        Buffalo - Chicago | Sat, Sep 26 | American Airlines
        PLN 469 PLN 523
        10% off
        10% off
        PLN 523 PLN 469
      • BUF 6:51 PM
        29h 8m
        1 stop
        ORD 10:59 PM
        Buffalo - Chicago | Tue, Sep 29 | Frontier Airlines
        PLN 362 PLN 523
        31% off
        31% off
        PLN 523 PLN 362
      • BUF 1:44 PM
        5h 47m
        1 stop
        ORD 6:31 PM
        Buffalo - Chicago | Sat, Oct 24 | Frontier Airlines
        PLN 396
        24% off
        PLN 523 PLN 396
      • BUF 1:45 PM
        5h 38m
        1 stop
        ORD 6:23 PM
        Buffalo - Chicago | Sat, Oct 3 | Frontier Airlines
        PLN 397
        24% off
        PLN 523 PLN 397
      • BUF 1:48 PM
        5h 57m
        1 stop
        ORD 6:45 PM
        Buffalo - Chicago | Mon, Nov 9 | Frontier Airlines
        PLN 422
        19% off
        PLN 523 PLN 422
      • BUF 1:48 PM
        5h 57m
        1 stop
        ORD 6:45 PM
        Buffalo - Chicago | Mon, Nov 2 | Frontier Airlines
        PLN 423
        19% off
        PLN 523 PLN 423
      • BUF 1:44 PM
        5h 47m
        1 stop
        ORD 6:31 PM
        Buffalo - Chicago | Wed, Oct 14 | Frontier Airlines
        PLN 424
        19% off
        PLN 523 PLN 424
      • BUF 6:51 PM
        29h 8m
        1 stop
        ORD 10:59 PM
        Buffalo - Chicago | Tue, Sep 22 | Frontier Airlines
        PLN 437
        16% off
        PLN 523 PLN 437
      • BUF 1:44 PM
        5h 47m
        1 stop
        ORD 6:31 PM
        Buffalo - Chicago | Wed, Oct 21 | Frontier Airlines
        PLN 449
        14% off
        PLN 523 PLN 449
      • BUF 6:51 PM
        29h 8m
        1 stop
        ORD 10:59 PM
        Buffalo - Chicago | Tue, Oct 6 | Frontier Airlines
        PLN 458
        12% off
        PLN 523 PLN 458
      • BUF 12:54 PM
        20h 52m
        1 stop
        ORD 8:46 AM
        Buffalo - Chicago | Thu, Nov 5 | Frontier Airlines
        PLN 468
        11% off
        PLN 523 PLN 468
      • BUF 6:10 AM
        5h 29m
        1 stop
        ORD 10:39 AM
        Buffalo - Chicago | Thu, Oct 22 | Delta Air Lines
        PLN 470
        10% off
        PLN 523 PLN 470
      • BUF 6:51 PM
        14h
        1 stop
        ORD 7:51 AM
        Buffalo - Chicago | Tue, Oct 13 | Frontier Airlines
        PLN 470
        10% off
        PLN 523 PLN 470
      • BUF 1:00 PM
        17h 25m
        1 stop
        CHI 2:00 PM
        Buffalo - Chicago | Tue, Sep 22 | Normal Airline
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Flight fares from Buffalo Niagara International Airport to O'Hare International Airport are based on average airline prices for the next 3 months, according to Trip.com’s latest data.

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

The cheapest airline flying from Buffalo Niagara International Airport to O'Hare International Airport is Frontier Airlines (from PLN 340) among 5 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From PLN 340
Delta Air Lines
From PLN 452
American Airlines
From PLN 464
United Airlines
From PLN 519
Jetblue Airways
From PLN 1,030

Find more flights and airlines

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

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. UA543

    Buffalo Niagara International Airport

    6:55 AM

    BUF

    2h

    7:55 AM

    ORD

    S M T W T F S
    Search

  2. AA1195

    Buffalo Niagara International Airport

    7:59 AM

    BUF

    2h 11m

    9:10 AM

    ORD

    S M T W T F S
    Search

  3. F91407

    Buffalo Niagara International Airport

    1:40 PM

    BUF

    2h 15m

    Nonstop

    3:55 PM

    ATL

    S - T - T F -
    Search

  4. F91595

    Hartsfield–Jackson Atlanta International Airport

    5:02 PM

    ATL

    2h 21m

    Nonstop

    6:23 PM

    ORD

    S M T W T F S

  5. F91691

    Buffalo Niagara International Airport

    12:49 PM

    BUF

    2h 50m

    Nonstop

    3:39 PM

    MCO

    - M - W - - S
    Search

  6. F93043

    Orlando International Airport

    8:10 AM

    MCO

    3h 10m

    Nonstop

    10:20 AM

    ORD

    S - - W T - S

  7. F91691

    Buffalo Niagara International Airport

    12:49 PM

    BUF

    2h 50m

    Nonstop

    3:39 PM

    MCO

    - M - W - - S
    Search

  8. F91349

    Orlando International Airport

    8:51 PM

    MCO

    3h 8m

    Nonstop

    10:59 PM

    ORD

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

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

Flight distance760.5 km
Cheapest one-way ticket pricePLN 362
Cheapest return ticket pricePLN 692

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

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

    Buffalo Niagara International Airport to O'Hare International Airport takes about 1 hour 29 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 7 daily flights from Buffalo Niagara International Airport (BUF) to O'Hare International Airport (ORD).
  • The earliest flight from Buffalo Niagara International Airport to O'Hare International Airport departs at 06:30, and the last departs at 18:56, with about 9 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from Buffalo Niagara International Airport (BUF) to O'Hare International Airport (ORD) is quite popular. Without considering departure times or holidays, tickets cost around PLN 771 in October, the most expensive month to book this route.
    • The distance from O'Hare International Airport to downtown is about 25 km. It takes about 40 minutes by taxi.
    • The distance from Chicago Midway International Airport to downtown is about 14 km. It takes about 30 minutes by taxi.
  • The closest airport to O'Hare International Airport (ORD) is Chicago Midway International Airport. The distance is around 25 km.
  • American Airlines is a very popular airline operating an average of 1708 flights per month.
  • One-way flights from Buffalo Niagara International Airport to O'Hare International Airport currently start from PLN 362, and round-trip fares start from PLN 692. The current lowest fare is a Frontier Airlines flight departing on Tue, Sep 29; prices may vary depending on availability.
  • Yes. United Airlines and American Airlines operate direct flights from Buffalo Niagara International Airport to O'Hare International Airport, with an average flight time of 1 hour 20 minutes, and around 48 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 Buffalo Niagara International Airport to O'Hare International Airport is PLN 655. Prices may vary depending on the departure date, airline, and availability.
  • Buffalo Niagara International Airport to O'Hare International Airport operates around 34 weekly flights, mainly by United Airlines and American Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Buffalo Niagara International Airport and O'Hare 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 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 clearly shown before payment. Charges for checked baggage, onboard meals, Wi-Fi, and other optional services may also appear in the flight cards where applicable.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours, and for many routes the data may refresh 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.