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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 HK$668 and round-trip from HK$1,429. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        BUF 11:24
        2h 5m
        Direct
        ORD 12:29
        Buffalo - Chicago | Sun, Nov 1 | American Airlines
        ORD 21:16
        1h 43m
        Direct
        BUF 23:59
        Chicago - Buffalo | Tue, Nov 3 | American Airlines
        HK$1,711 HK$2,395
        28% off
        28% off
        HK$2,395 HK$1,711
      • BUF 08:00
        2h 5m
        Direct
        ORD 09:05
        Buffalo - Chicago | Thu, Oct 29 | American Airlines
        ORD 21:16
        1h 43m
        Direct
        BUF 23:59
        Chicago - Buffalo | Tue, Nov 3 | American Airlines
        HK$1,868 HK$2,395
        22% off
        22% off
        HK$2,395 HK$1,868
      • BUF 13:44
        5h 47m
        1 stop
        ORD 18:31
        Buffalo - Chicago | Thu, Oct 29 | Frontier Airlines
        MDW 06:15
        5h 44m
        1 stop
        BUF 12:59
        Chicago - Buffalo | Mon, Nov 2 | Frontier Airlines
        HK$1,429 HK$2,395
        40% off
        40% off
        HK$2,395 HK$1,429
      • BUF 13:44
        5h 47m
        1 stop
        ORD 18:31
        Buffalo - Chicago | Thu, Nov 5 | Frontier Airlines
        MDW 06:16
        5h 59m
        1 stop
        BUF 13:15
        Chicago - Buffalo | Mon, Nov 9 | Frontier Airlines
        HK$1,624
        32% off
        HK$2,395 HK$1,624
      • BUF 13:44
        5h 47m
        1 stop
        ORD 18:31
        Buffalo - Chicago | Wed, Nov 4 | Frontier Airlines
        MDW 06:21
        5h 38m
        1 stop
        BUF 12:59
        Chicago - Buffalo | Thu, Nov 5 | Frontier Airlines
        HK$1,667
        30% off
        HK$2,395 HK$1,667
      • BUF 13:44
        5h 47m
        1 stop
        ORD 18:31
        Buffalo - Chicago | Thu, Oct 22 | Frontier Airlines
        ORD 16:20
        1h 30m
        Direct
        BUF 18:50
        Chicago - Buffalo | Thu, Oct 29 |
        HK$1,709
        28% off
        HK$2,395 HK$1,709
      • BUF 14:10
        6h 10m
        1 stop
        ORD 19:20
        Buffalo - Chicago | Sun, Nov 1 | Delta Air Lines
        ORD 19:30
        3h 29m
        1 stop
        BUF 23:59
        Chicago - Buffalo | Tue, Nov 3 | Delta Air Lines
        HK$1,749
        27% off
        HK$2,395 HK$1,749
      • BUF 14:10
        6h 10m
        1 stop
        ORD 19:20
        Buffalo - Chicago | Thu, Oct 29 | Delta Air Lines
        MDW 18:44
        4h 15m
        1 stop
        BUF 23:59
        Chicago - Buffalo | Mon, Nov 2 | Delta Air Lines
        HK$1,769
        26% off
        HK$2,395 HK$1,769
      • BUF 13:44
        5h 47m
        1 stop
        ORD 18:31
        Buffalo - Chicago | Mon, Nov 2 | Frontier Airlines
        MDW 06:16
        5h 59m
        1 stop
        BUF 13:15
        Chicago - Buffalo | Mon, Nov 9 | Frontier Airlines
        HK$1,837
        23% off
        HK$2,395 HK$1,837
      • BUF 07:00
        2h
        Direct
        ORD 08:00
        Buffalo - Chicago | Thu, Oct 29 | United Airlines
        MDW 06:15
        5h 44m
        1 stop
        BUF 12:59
        Chicago - Buffalo | Mon, Nov 2 | Frontier Airlines
        HK$1,860
        22% off
        HK$2,395 HK$1,860
      • BUF 13:48
        5h 57m
        1 stop
        ORD 18:45
        Buffalo - Chicago | Sat, Nov 28 | Frontier Airlines
        ORD 07:31
        5h 18m
        1 stop
        BUF 13:49
        Chicago - Buffalo | Tue, Dec 1 | Frontier Airlines
        HK$1,861
        22% off
        HK$2,395 HK$1,861
      • BUF 13:40
        5h 43m
        1 stop
        ORD 18:23
        Buffalo - Chicago | Mon, Oct 19 | Frontier Airlines
        ORD 08:26
        8h 26m
        1 stop
        BUF 17:52
        Chicago - Buffalo | Fri, Oct 23 | Frontier Airlines
        HK$1,862
        22% off
        HK$2,395 HK$1,862
      • BUF 13:00
        17h 25m
        1 stop
        CHI 14:00
        Buffalo - Chicago | Thu, Oct 15 | Normal Airline
        CHI 15:00
        6h
        Direct
        BUF 16:00
        Chicago - Buffalo | Sat, Oct 17 | Normal Airline
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      • Cheapest nonstop
        BUF 18:46
        2h 14m
        Direct
        ORD 20:00
        Buffalo - Chicago | Fri, Dec 4 | American Airlines
        HK$1,009 HK$1,303
        23% off
        23% off
        HK$1,303 HK$1,009
      • BUF 11:26
        2h 32m
        Direct
        ORD 12:58
        Buffalo - Chicago | Sat, Dec 5 | American Airlines
        HK$1,016 HK$1,303
        22% off
        22% off
        HK$1,303 HK$1,016
      • BUF 13:13
        23h 19m
        1 stop
        ORD 11:32
        Buffalo - Chicago | Wed, Oct 21 | Frontier Airlines
        HK$668 HK$1,303
        49% off
        49% off
        HK$1,303 HK$668
      • BUF 18:51
        29h 8m
        1 stop
        ORD 22:59
        Buffalo - Chicago | Sun, Oct 18 | Frontier Airlines
        HK$863
        34% off
        HK$1,303 HK$863
      • BUF 13:48
        5h 57m
        1 stop
        ORD 18:45
        Buffalo - Chicago | Sat, Nov 21 | Frontier Airlines
        HK$872
        33% off
        HK$1,303 HK$872
      • BUF 13:44
        5h 47m
        1 stop
        ORD 18:31
        Buffalo - Chicago | Mon, Oct 26 | Frontier Airlines
        HK$875
        33% off
        HK$1,303 HK$875
      • BUF 14:34
        6h 59m
        1 stop
        ORD 20:33
        Buffalo - Chicago | Tue, Dec 1 | Frontier Airlines
        HK$876
        33% off
        HK$1,303 HK$876
      • BUF 18:55
        24h 36m
        1 stop
        ORD 18:31
        Buffalo - Chicago | Wed, Oct 21 | Delta Air Lines
        HK$913
        30% off
        HK$1,303 HK$913
      • BUF 13:48
        5h 57m
        1 stop
        ORD 18:45
        Buffalo - Chicago | Sat, Nov 14 | Frontier Airlines
        HK$926
        28% off
        HK$1,303 HK$926
      • BUF 13:44
        5h 47m
        1 stop
        ORD 18:31
        Buffalo - Chicago | Mon, Nov 2 | Frontier Airlines
        HK$928
        28% off
        HK$1,303 HK$928
      • BUF 13:48
        5h 57m
        1 stop
        ORD 18:45
        Buffalo - Chicago | Wed, Nov 25 | Frontier Airlines
        HK$936
        28% off
        HK$1,303 HK$936
      • BUF 13:48
        5h 57m
        1 stop
        ORD 18:45
        Buffalo - Chicago | Sat, Nov 28 | Frontier Airlines
        HK$951
        27% off
        HK$1,303 HK$951
      • BUF 18:51
        14h
        1 stop
        ORD 07:51
        Buffalo - Chicago | Sun, Nov 1 | Frontier Airlines
        HK$971
        25% off
        HK$1,303 HK$971
      • BUF 21:20
        28h 22m
        1 stop
        ORD 00:42
        Buffalo - Chicago | Sat, Dec 5 | Frontier Airlines
        HK$984
        24% off
        HK$1,303 HK$984
      • BUF 13:00
        17h 25m
        1 stop
        CHI 14:00
        Buffalo - Chicago | Thu, Oct 15 | Normal Airline
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Displayed flight fares from Buffalo Niagara International Airport to O'Hare International Airport are based on average prices across airlines for the next 3 months according to the latest Trip.com 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 HK$668) among 5 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From HK$668
Delta Air Lines
From HK$913
American Airlines
From HK$1,064
United Airlines
From HK$1,352
Jetblue Airways
From HK$2,309

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. AA2921

    Buffalo Niagara International Airport

    17:50

    BUF

    2h 10m

    19:00

    ORD

    S M T W T F S
    Search

  2. AA4780

    Buffalo Niagara International Airport

    11:36

    BUF

    2h 21m

    12:57

    ORD

    S M T W T - S
    Search

  3. F91407

    Buffalo Niagara International Airport

    13:44

    BUF

    2h 27m

    Direct

    16:11

    ATL

    S - T - T F -
    Search

  4. F91595

    Hartsfield–Jackson Atlanta International Airport

    17:10

    ATL

    2h 21m

    Direct

    18:31

    ORD

    S M T W T F S

  5. F91691

    Buffalo Niagara International Airport

    18:51

    BUF

    2h 47m

    Direct

    21:38

    MCO

    - M - W - - S
    Search

  6. F93043

    Orlando International Airport

    05:40

    MCO

    3h 11m

    Direct

    07:51

    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 distance 760.5km
Cheapest one-way ticket price HK$668
Cheapest return ticket price HK$1,429

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 26 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 07:00, and the last departs at 19:08, 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 Buffalo Niagara International Airport (BUF) to O'Hare International Airport (ORD) is quite popular. Without considering departure times or holidays, tickets cost around HK$2,311 in October, the most expensive month to book this route.
    • The distance from O'Hare International Airport to downtown is about 25km, by taxi about 40 minutes.
    • The distance from Chicago Midway International Airport to downtown is about 14km, by taxi about 30 minutes.
  • The closest airport to O'Hare International Airport (ORD) is Chicago Midway International Airport. The distance is around 25km.
  • 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 HK$668, and round-trip fares start from HK$1,429. The current lowest fare is a Frontier Airlines flight departing on Wed, Oct 21; 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 21 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 HK$1,671. Prices may vary depending on the departure date, airline, and availability.
  • Buffalo Niagara International Airport to O'Hare 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 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 estimated lowest prices and include all taxes and fees found in the last 24 hours.

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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.