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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 S$ 143 and round-trip from S$ 237. Based on Trip.com's latest 7-day flight data.

    • Cheapest
      BUF 13:48
      5h 57m
      1 stop
      ORD 18:45
      Buffalo - Chicago | Wed, Nov 11 | Frontier Airlines
      S$ 143 S$ 207
      31% off
      31% off
      S$ 207 S$ 143
    • BUF 14:34
      6h 59m
      1 stop
      ORD 20:33
      Buffalo - Chicago | Sat, Nov 21 | Frontier Airlines
      S$ 144 S$ 207
      30% off
      30% off
      S$ 207 S$ 144
    • BUF 13:15
      6h 22m
      1 stop
      ORD 18:37
      Buffalo - Chicago | Fri, Dec 11 | Frontier Airlines
      S$ 145 S$ 207
      30% off
      30% off
      S$ 207 S$ 145
    • BUF 13:48
      5h 57m
      1 stop
      ORD 18:45
      Buffalo - Chicago | Wed, Nov 4 | Frontier Airlines
      S$ 152
      27% off
      S$ 207 S$ 152
    • BUF 13:48
      5h 57m
      1 stop
      ORD 18:45
      Buffalo - Chicago | Sun, Nov 15 | Frontier Airlines
      S$ 154
      26% off
      S$ 207 S$ 154
    • BUF 13:48
      5h 57m
      1 stop
      ORD 18:45
      Buffalo - Chicago | Wed, Nov 18 | Frontier Airlines
      S$ 156
      25% off
      S$ 207 S$ 156
    • BUF 13:48
      5h 57m
      1 stop
      ORD 18:45
      Buffalo - Chicago | Mon, Nov 16 | Frontier Airlines
      S$ 156
      62% off
      S$ 415 S$ 156
    • BUF 13:48
      5h 57m
      1 stop
      ORD 18:45
      Buffalo - Chicago | Sun, Nov 1 | Frontier Airlines
      S$ 159
      23% off
      S$ 207 S$ 159
    • BUF 08:02
      11h 52m
      1 stop
      ORD 18:54
      Buffalo - Chicago | Sun, Nov 8 | Frontier Airlines
      S$ 159
      23% off
      S$ 207 S$ 159
    • BUF 13:00
      17h 25m
      1 stop
      CHI 14:00
      Buffalo - Chicago | Sat, Oct 17 | Normal Airline
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    • Cheapest nonstop
      BUF 11:24
      2h 5m
      Direct
      ORD 12:29
      Buffalo - Chicago | Thu, Oct 22 | American Airlines
      ORD 21:16
      1h 43m
      Direct
      BUF 23:59
      Chicago - Buffalo | Sat, Oct 24 | American Airlines
      S$ 281 S$ 381
      26% off
      26% off
      S$ 381 S$ 281
    • BUF 08:00
      2h 5m
      Direct
      ORD 09:05
      Buffalo - Chicago | Mon, Oct 19 | American Airlines
      ORD 21:16
      1h 43m
      Direct
      BUF 23:59
      Chicago - Buffalo | Sat, Oct 24 | American Airlines
      S$ 306 S$ 381
      20% off
      20% off
      S$ 381 S$ 306
    • BUF 11:26
      2h 3m
      Direct
      ORD 12:29
      Buffalo - Chicago | Sat, Oct 31 | American Airlines
      ORD 19:00
      1h 37m
      Direct
      BUF 21:37
      Chicago - Buffalo | Thu, Nov 5 | American Airlines
      S$ 306 S$ 381
      20% off
      20% off
      S$ 381 S$ 306
    • BUF 07:57
      2h 8m
      Direct
      ORD 09:05
      Buffalo - Chicago | Thu, Nov 5 | American Airlines
      ORD 19:00
      1h 37m
      Direct
      BUF 21:37
      Chicago - Buffalo | Sat, Nov 7 | American Airlines
      S$ 306
      20% off
      S$ 381 S$ 306
    • BUF 13:44
      5h 47m
      1 stop
      ORD 18:31
      Buffalo - Chicago | Mon, Oct 19 | Frontier Airlines
      MDW 06:15
      5h 44m
      1 stop
      BUF 12:59
      Chicago - Buffalo | Fri, Oct 23 | Frontier Airlines
      S$ 237
      38% off
      S$ 381 S$ 237
    • BUF 13:44
      5h 47m
      1 stop
      ORD 18:31
      Buffalo - Chicago | Mon, Oct 26 | Frontier Airlines
      MDW 06:16
      5h 59m
      1 stop
      BUF 13:15
      Chicago - Buffalo | Fri, Oct 30 | Frontier Airlines
      S$ 266
      30% off
      S$ 381 S$ 266
    • BUF 13:44
      5h 47m
      1 stop
      ORD 18:31
      Buffalo - Chicago | Sun, Oct 25 | Frontier Airlines
      MDW 06:21
      5h 38m
      1 stop
      BUF 12:59
      Chicago - Buffalo | Mon, Oct 26 | Frontier Airlines
      S$ 273
      28% off
      S$ 381 S$ 273
    • BUF 13:48
      5h 57m
      1 stop
      ORD 18:45
      Buffalo - Chicago | Wed, Nov 18 | Frontier Airlines
      MDW 06:08
      6h 7m
      1 stop
      BUF 13:15
      Chicago - Buffalo | Fri, Nov 20 | Frontier Airlines
      S$ 276
      28% off
      S$ 381 S$ 276
    • BUF 14:10
      6h 10m
      1 stop
      ORD 19:20
      Buffalo - Chicago | Thu, Oct 22 | Delta Air Lines
      ORD 19:30
      3h 29m
      1 stop
      BUF 23:59
      Chicago - Buffalo | Sat, Oct 24 | Delta Air Lines
      S$ 287
      25% off
      S$ 381 S$ 287
    • BUF 13:00
      17h 25m
      1 stop
      CHI 14:00
      Buffalo - Chicago | Sat, Oct 17 | Normal Airline
      CHI 15:00
      6h
      Direct
      BUF 16:00
      Chicago - Buffalo | Mon, Oct 19 | Normal Airline
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    • Cheapest nonstop
      BUF 08:00
      2h 5m
      Direct
      ORD 09:05
      Buffalo - Chicago | Thu, Oct 22 | American Airlines
      S$ 179 S$ 414
      56% off
      56% off
      S$ 414 S$ 179
    • BUF 07:57
      2h 8m
      Direct
      ORD 09:05
      Buffalo - Chicago | Tue, Nov 3 | American Airlines
      S$ 179 S$ 414
      56% off
      56% off
      S$ 414 S$ 179
    • BUF 11:26
      2h 14m
      Direct
      ORD 12:40
      Buffalo - Chicago | Mon, Nov 9 | American Airlines
      S$ 179 S$ 414
      56% off
      56% off
      S$ 414 S$ 179
    • BUF 17:50
      2h 10m
      Direct
      ORD 19:00
      Buffalo - Chicago | Sat, Oct 31 | American Airlines
      S$ 204
      51% off
      S$ 414 S$ 204
    • BUF 11:26
      2h 14m
      Direct
      ORD 12:40
      Buffalo - Chicago | Wed, Nov 4 | American Airlines
      S$ 204
      51% off
      S$ 414 S$ 204
    • BUF 08:00
      2h 5m
      Direct
      ORD 09:05
      Buffalo - Chicago | Wed, Oct 28 | American Airlines
      S$ 204
      51% off
      S$ 414 S$ 204
    • BUF 08:00
      2h 5m
      Direct
      ORD 09:05
      Buffalo - Chicago | Sat, Oct 24 | American Airlines
      S$ 204
      51% off
      S$ 414 S$ 204
    • BUF 08:00
      2h 5m
      Direct
      ORD 09:05
      Buffalo - Chicago | Tue, Oct 27 | American Airlines
      S$ 204
      51% off
      S$ 414 S$ 204
    • BUF 18:46
      2h 14m
      Direct
      ORD 20:00
      Buffalo - Chicago | Sat, Nov 7 | American Airlines
      S$ 204
      51% off
      S$ 414 S$ 204
    • BUF 13:00
      17h 25m
      1 stop
      CHI 14:00
      Buffalo - Chicago | Sat, Oct 17 | Normal Airline
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    • Cheapest nonstop
      BUF 08:00
      2h 5m
      Direct
      ORD 09:05
      Buffalo - Chicago | Thu, Oct 22 | American Airlines
      S$ 179 S$ 415
      56% off
      56% off
      S$ 415 S$ 179
    • BUF 07:57
      2h 8m
      Direct
      ORD 09:05
      Buffalo - Chicago | Tue, Nov 3 | American Airlines
      S$ 179 S$ 415
      56% off
      56% off
      S$ 415 S$ 179
    • BUF 11:26
      2h 14m
      Direct
      ORD 12:40
      Buffalo - Chicago | Mon, Nov 9 | American Airlines
      S$ 179 S$ 415
      56% off
      56% off
      S$ 415 S$ 179
    • BUF 17:50
      2h 10m
      Direct
      ORD 19:00
      Buffalo - Chicago | Sat, Oct 31 | American Airlines
      S$ 204
      51% off
      S$ 415 S$ 204
    • BUF 11:26
      2h 14m
      Direct
      ORD 12:40
      Buffalo - Chicago | Wed, Nov 4 | American Airlines
      S$ 204
      51% off
      S$ 415 S$ 204
    • BUF 08:00
      2h 5m
      Direct
      ORD 09:05
      Buffalo - Chicago | Wed, Oct 28 | American Airlines
      S$ 204
      51% off
      S$ 415 S$ 204
    • BUF 08:00
      2h 5m
      Direct
      ORD 09:05
      Buffalo - Chicago | Sat, Oct 24 | American Airlines
      S$ 204
      51% off
      S$ 415 S$ 204
    • BUF 08:00
      2h 5m
      Direct
      ORD 09:05
      Buffalo - Chicago | Tue, Oct 27 | American Airlines
      S$ 204
      51% off
      S$ 415 S$ 204
    • BUF 18:46
      2h 14m
      Direct
      ORD 20:00
      Buffalo - Chicago | Sat, Nov 7 | American Airlines
      S$ 204
      51% off
      S$ 415 S$ 204
    • BUF 13:00
      17h 25m
      1 stop
      CHI 14:00
      Buffalo - Chicago | Sat, Oct 17 | Normal Airline
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    • Cheapest nonstop
      BUF 08:00
      2h 5m
      Direct
      ORD 09:05
      Buffalo - Chicago | Thu, Oct 22 | American Airlines
      S$ 179 S$ 500
      64% off
      64% off
      S$ 500 S$ 179
    • BUF 08:00
      2h 5m
      Direct
      ORD 09:05
      Buffalo - Chicago | Sun, Oct 18 | American Airlines
      S$ 309 S$ 500
      38% off
      38% off
      S$ 500 S$ 309
    • BUF 17:50
      2h 10m
      Direct
      ORD 19:00
      Buffalo - Chicago | Tue, Oct 20 | American Airlines
      S$ 329 S$ 500
      34% off
      34% off
      S$ 500 S$ 329
    • BUF 17:50
      2h 10m
      Direct
      ORD 19:00
      Buffalo - Chicago | Wed, Oct 21 | American Airlines
      S$ 329
      34% off
      S$ 500 S$ 329
    • BUF 17:50
      2h 10m
      Direct
      ORD 19:00
      Buffalo - Chicago | Sat, Oct 17 | American Airlines
      S$ 329
      34% off
      S$ 500 S$ 329
    • BUF 17:50
      2h 10m
      Direct
      ORD 19:00
      Buffalo - Chicago | Fri, Oct 16 | American Airlines
      S$ 343
      31% off
      S$ 500 S$ 343
    • BUF 10:46
      1h 59m
      Direct
      ORD 11:45
      Buffalo - Chicago | Sun, Oct 18 | United Airlines
      S$ 368
      26% off
      S$ 500 S$ 368
    • BUF 08:00
      2h 5m
      Direct
      ORD 09:05
      Buffalo - Chicago | Mon, Oct 19 | American Airlines
      S$ 383
      23% off
      S$ 500 S$ 383
    • BUF 09:06
      4h 53m
      1 stop
      ORD 12:59
      Buffalo - Chicago | Thu, Oct 22 | Delta Air Lines
      S$ 341
      32% off
      S$ 500 S$ 341
    • BUF 13:00
      17h 25m
      1 stop
      CHI 14:00
      Buffalo - Chicago | Sat, Oct 17 | Normal Airline
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    • BUF 10:46
      1h 59m
      Direct
      ORD 11:45
      Buffalo - Chicago | Thu, Oct 22 | United Airlines
      S$ 222 S$ 1,039
      79% off
      79% off
      S$ 1,039 S$ 222
    • BUF 10:46
      1h 59m
      Direct
      ORD 11:45
      Buffalo - Chicago | Sun, Oct 18 | United Airlines
      S$ 368 S$ 1,039
      65% off
      65% off
      S$ 1,039 S$ 368
    • BUF 10:46
      1h 59m
      Direct
      ORD 11:45
      Buffalo - Chicago | Fri, Oct 23 | United Airlines
      S$ 361 S$ 1,039
      65% off
      65% off
      S$ 1,039 S$ 361
    • BUF 10:46
      1h 59m
      Direct
      ORD 11:45
      Buffalo - Chicago | Sat, Oct 17 | United Airlines
      S$ 391
      62% off
      S$ 1,039 S$ 391
    • BUF 10:46
      1h 59m
      Direct
      ORD 11:45
      Buffalo - Chicago | Wed, Oct 21 | United Airlines
      S$ 385
      63% off
      S$ 1,039 S$ 385
    • BUF 10:46
      1h 59m
      Direct
      ORD 11:45
      Buffalo - Chicago | Tue, Oct 20 | United Airlines
      S$ 389
      63% off
      S$ 1,039 S$ 389
    • BUF 10:46
      1h 59m
      Direct
      ORD 11:45
      Buffalo - Chicago | Mon, Oct 19 | United Airlines
      S$ 438
      57% off
      S$ 1,039 S$ 438
    • BUF 10:46
      1h 59m
      Direct
      ORD 11:45
      Buffalo - Chicago | Sat, Oct 24 | United Airlines
      S$ 261
      75% off
      S$ 1,039 S$ 261
    • BUF 13:53
      2h 2m
      Direct
      ORD 14:55
      Buffalo - Chicago | Tue, Nov 3 | United Airlines
      S$ 841
      19% off
      S$ 1,039 S$ 841
    • BUF 13:00
      17h 25m
      1 stop
      CHI 14:00
      Buffalo - Chicago | Sat, Oct 17 | Normal Airline
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

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 S$ 143) among 5 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From S$ 143
Delta Air Lines
From S$ 165
American Airlines
From S$ 166
United Airlines
From S$ 207
Jetblue Airways
From S$ 424

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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. DL3847

    Buffalo Niagara International Airport

    15:53

    BUF

    1h 16m

    Direct

    17:09

    DTW

    S M T W T F S
    Search

  4. DL1665

    Detroit Metropolitan Wayne County Airport

    20:10

    DTW

    1h 27m

    Direct

    20:37

    ORD

    S M T W T F S

  5. F91407

    Buffalo Niagara International Airport

    13:44

    BUF

    2h 27m

    Direct

    16:11

    ATL

    S - T - T F -
    Search

  6. F91595

    Hartsfield–Jackson Atlanta International Airport

    20:43

    ATL

    2h 17m

    Direct

    22:00

    ORD

    S M T W T F S

  7. F91691

    Buffalo Niagara International Airport

    12:53

    BUF

    2h 44m

    Direct

    15:37

    MCO

    - M - W - - S
    Search

  8. F93043

    Orlando International Airport

    05:20

    MCO

    3h 11m

    Direct

    07:31

    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 S$ 143
Cheapest return ticket price S$ 237

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 18:14, 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 S$ 272 in November, the most expensive month to book this route.
  • The earliest flight departs from Buffalo Niagara International Airport (BUF) at 07:00 and arrives in O'Hare International Airport (ORD) at 07:48.
  • The latest flight departs from Buffalo Niagara International Airport (BUF) at 17:50 and arrives in O'Hare International Airport (ORD) at 18:38.
    • 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 S$ 143, and round-trip fares start from S$ 237. The current lowest fare is a Frontier Airlines flight departing on Wed, Nov 11; 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 S$ 273. Prices may vary depending on the departure date, airline, and availability.
  • Buffalo Niagara International Airport to O'Hare International Airport operates around 48 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 shown before payment. Charges for checked baggage, meals, Wi-Fi, and other optional services may also appear in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours, and with many routes refreshed in real time. The more popular the route, the more accurate 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.