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Buffalo Niagara International Airport to Chicago flight

Explore the cheapest one-way and round-trip flights from Buffalo Niagara International Airport to Chicago over the next 90 days, with one-way fares from CAD 150 and round-trip from CAD 291. Based on Trip.com's latest 7-day flight data.

    • Cheapest
      BUF 21:38
      22h 52m
      1 stop
      MDW 19:30
      Buffalo - Chicago | Sun, Dec 27 | Frontier Airlines
      CAD 150 CAD 202
      26% off
      26% off
      CAD 202 CAD 150
    • BUF 13:03
      7h 44m
      1 stop
      MDW 19:47
      Buffalo - Chicago | Sun, Nov 29 | Frontier Airlines
      CAD 154 CAD 202
      24% off
      24% off
      CAD 202 CAD 154
    • BUF 13:48
      5h 57m
      1 stop
      ORD 18:45
      Buffalo - Chicago | Tue, Nov 17 | Frontier Airlines
      CAD 156 CAD 202
      23% off
      23% off
      CAD 202 CAD 156
    • BUF 14:34
      6h 59m
      1 stop
      ORD 20:33
      Buffalo - Chicago | Fri, Nov 27 | Frontier Airlines
      CAD 157
      22% off
      CAD 202 CAD 157
    • BUF 13:15
      6h 22m
      1 stop
      ORD 18:37
      Buffalo - Chicago | Thu, Dec 17 | Frontier Airlines
      CAD 159
      21% off
      CAD 202 CAD 159
    • BUF 09:47
      14h 15m
      1 stop
      ORD 23:02
      Buffalo - Chicago | Tue, Dec 29 | Frontier Airlines
      CAD 165
      18% off
      CAD 202 CAD 165
    • BUF 13:48
      5h 57m
      1 stop
      ORD 18:45
      Buffalo - Chicago | Tue, Nov 10 | Frontier Airlines
      CAD 166
      18% off
      CAD 202 CAD 166
    • BUF 13:48
      5h 57m
      1 stop
      ORD 18:45
      Buffalo - Chicago | Sat, Nov 21 | Frontier Airlines
      CAD 168
      17% off
      CAD 202 CAD 168
    • BUF 14:39
      7h 3m
      1 stop
      MDW 20:42
      Buffalo - Chicago | Tue, Dec 15 | Frontier Airlines
      CAD 168
      17% off
      CAD 202 CAD 168
    • BUF 13:00
      17h 25m
      1 stop
      CHI 14:00
      Buffalo - Chicago | Mon, Nov 2 | Normal Airline
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    • Cheapest nonstop
      BUF 11:26
      2h 14m
      Direct
      ORD 12:40
      Buffalo - Chicago | Tue, Nov 3 | American Airlines
      ORD 19:00
      1h 37m
      Direct
      BUF 21:37
      Chicago - Buffalo | Tue, Nov 3 | American Airlines
      CAD 335 CAD 377
      11% off
      11% off
      CAD 377 CAD 335
    • BUF 14:00
      10h 47m
      1 stop
      MDW 23:47
      Buffalo - Chicago | Wed, Nov 18 | Frontier Airlines
      MDW 20:42
      14h 46m
      1 stop
      BUF 12:28
      Chicago - Buffalo | Wed, Nov 25 | Frontier Airlines
      CAD 291 CAD 377
      23% off
      23% off
      CAD 377 CAD 291
    • BUF 13:48
      5h 57m
      1 stop
      ORD 18:45
      Buffalo - Chicago | Mon, Nov 16 | Frontier Airlines
      MDW 06:08
      6h 7m
      1 stop
      BUF 13:15
      Chicago - Buffalo | Wed, Nov 18 | Frontier Airlines
      CAD 301 CAD 377
      20% off
      20% off
      CAD 377 CAD 301
    • BUF 13:03
      7h 44m
      1 stop
      MDW 19:47
      Buffalo - Chicago | Sat, Nov 21 | Frontier Airlines
      MDW 20:42
      22h 42m
      1 stop
      BUF 20:24
      Chicago - Buffalo | Mon, Nov 23 | Frontier Airlines
      CAD 305
      19% off
      CAD 377 CAD 305
    • BUF 13:15
      9h 45m
      1 stop
      ORD 22:00
      Buffalo - Chicago | Wed, Dec 16 | Frontier Airlines
      ORD 07:10
      24h 42m
      1 stop
      BUF 08:52
      Chicago - Buffalo | Thu, Dec 17 | Frontier Airlines
      CAD 318
      16% off
      CAD 377 CAD 318
    • BUF 13:15
      9h 20m
      1 stop
      ORD 21:35
      Buffalo - Chicago | Wed, Dec 2 | Frontier Airlines
      ORD 17:24
      19h 11m
      1 stop
      BUF 13:35
      Chicago - Buffalo | Thu, Dec 3 | Frontier Airlines
      CAD 319
      15% off
      CAD 377 CAD 319
    • BUF 14:34
      6h 59m
      1 stop
      ORD 20:33
      Buffalo - Chicago | Thu, Nov 19 | Frontier Airlines
      ORD 17:12
      26h 12m
      1 stop
      BUF 20:24
      Chicago - Buffalo | Mon, Nov 23 | Frontier Airlines
      CAD 333
      12% off
      CAD 377 CAD 333
    • BUF 20:02
      13h 44m
      1 stop
      ORD 08:46
      Buffalo - Chicago | Thu, Nov 12 | Frontier Airlines
      MDW 07:50
      1h 35m
      Direct
      BUF 10:25
      Chicago - Buffalo | Sun, Nov 15 |
      CAD 339
      10% off
      CAD 377 CAD 339
    • BUF 14:00
      10h 47m
      1 stop
      MDW 23:47
      Buffalo - Chicago | Wed, Nov 11 | Frontier Airlines
      MDW 06:16
      5h 59m
      1 stop
      BUF 13:15
      Chicago - Buffalo | Wed, Nov 18 | Frontier Airlines
      CAD 339
      10% off
      CAD 377 CAD 339
    • BUF 13:00
      17h 25m
      1 stop
      CHI 14:00
      Buffalo - Chicago | Mon, Nov 2 | Normal Airline
      CHI 15:00
      6h
      Direct
      BUF 16:00
      Chicago - Buffalo | Wed, Nov 4 | Normal Airline
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    • Cheapest nonstop
      BUF 18:46
      2h 14m
      Direct
      ORD 20:00
      Buffalo - Chicago | Sat, Dec 12 | American Airlines
      CAD 181 CAD 202
      10% off
      10% off
      CAD 202 CAD 181
    • BUF 06:25
      2h 35m
      Direct
      ORD 08:00
      Buffalo - Chicago | Sat, Dec 19 | American Airlines
      CAD 186 CAD 248
      25% off
      25% off
      CAD 248 CAD 186
    • BUF 07:57
      2h 8m
      Direct
      ORD 09:05
      Buffalo - Chicago | Tue, Nov 3 | American Airlines
      CAD 195 CAD 248
      21% off
      21% off
      CAD 248 CAD 195
    • BUF 11:26
      2h 14m
      Direct
      ORD 12:40
      Buffalo - Chicago | Mon, Nov 9 | American Airlines
      CAD 196
      21% off
      CAD 248 CAD 196
    • BUF 18:45
      2h 14m
      Direct
      ORD 19:59
      Buffalo - Chicago | Wed, Dec 16 | American Airlines
      CAD 196
      21% off
      CAD 248 CAD 196
    • BUF 08:00
      2h 5m
      Direct
      ORD 09:05
      Buffalo - Chicago | Thu, Dec 10 | American Airlines
      CAD 196
      21% off
      CAD 248 CAD 196
    • BUF 18:46
      2h 14m
      Direct
      ORD 20:00
      Buffalo - Chicago | Mon, Dec 7 | American Airlines
      CAD 196
      21% off
      CAD 248 CAD 196
    • BUF 08:00
      2h 5m
      Direct
      ORD 09:05
      Buffalo - Chicago | Thu, Dec 3 | American Airlines
      CAD 196
      21% off
      CAD 248 CAD 196
    • BUF 06:25
      2h 35m
      Direct
      ORD 08:00
      Buffalo - Chicago | Tue, Dec 22 | American Airlines
      CAD 223
      10% off
      CAD 248 CAD 223
    • BUF 13:00
      17h 25m
      1 stop
      CHI 14:00
      Buffalo - Chicago | Mon, Nov 2 | Normal Airline
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    • Cheapest nonstop
      BUF 06:25
      2h 35m
      Direct
      ORD 08:00
      Buffalo - Chicago | Sat, Dec 19 | American Airlines
      CAD 186 CAD 260
      28% off
      28% off
      CAD 260 CAD 186
    • BUF 07:57
      2h 8m
      Direct
      ORD 09:05
      Buffalo - Chicago | Tue, Nov 3 | American Airlines
      CAD 195 CAD 260
      25% off
      25% off
      CAD 260 CAD 195
    • BUF 11:26
      2h 14m
      Direct
      ORD 12:40
      Buffalo - Chicago | Mon, Nov 9 | American Airlines
      CAD 196 CAD 260
      25% off
      25% off
      CAD 260 CAD 196
    • BUF 18:45
      2h 14m
      Direct
      ORD 19:59
      Buffalo - Chicago | Wed, Dec 16 | American Airlines
      CAD 196
      25% off
      CAD 260 CAD 196
    • BUF 08:00
      2h 5m
      Direct
      ORD 09:05
      Buffalo - Chicago | Thu, Dec 10 | American Airlines
      CAD 196
      25% off
      CAD 260 CAD 196
    • BUF 08:00
      2h 5m
      Direct
      ORD 09:05
      Buffalo - Chicago | Tue, Dec 15 | American Airlines
      CAD 196
      25% off
      CAD 260 CAD 196
    • BUF 08:00
      2h 5m
      Direct
      ORD 09:05
      Buffalo - Chicago | Thu, Dec 3 | American Airlines
      CAD 196
      25% off
      CAD 260 CAD 196
    • BUF 06:25
      2h 35m
      Direct
      ORD 08:00
      Buffalo - Chicago | Tue, Dec 22 | American Airlines
      CAD 223
      14% off
      CAD 260 CAD 223
    • BUF 11:26
      2h 14m
      Direct
      ORD 12:40
      Buffalo - Chicago | Wed, Nov 4 | American Airlines
      CAD 223
      14% off
      CAD 260 CAD 223
    • BUF 13:00
      17h 25m
      1 stop
      CHI 14:00
      Buffalo - Chicago | Mon, Nov 2 | Normal Airline
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    • Cheapest nonstop
      BUF 07:57
      2h 8m
      Direct
      ORD 09:05
      Buffalo - Chicago | Tue, Nov 3 | American Airlines
      CAD 195 CAD 403
      52% off
      52% off
      CAD 403 CAD 195
    • BUF 11:26
      2h 14m
      Direct
      ORD 12:40
      Buffalo - Chicago | Wed, Nov 4 | American Airlines
      CAD 223 CAD 403
      45% off
      45% off
      CAD 403 CAD 223
    • BUF 18:46
      2h 14m
      Direct
      ORD 20:00
      Buffalo - Chicago | Sat, Nov 7 | American Airlines
      CAD 223 CAD 403
      45% off
      45% off
      CAD 403 CAD 223
    • BUF 07:57
      2h 8m
      Direct
      ORD 09:05
      Buffalo - Chicago | Thu, Nov 5 | American Airlines
      CAD 223
      45% off
      CAD 403 CAD 223
    • BUF 07:55
      2h 10m
      Direct
      ORD 09:05
      Buffalo - Chicago | Sun, Nov 1 | American Airlines
      CAD 309
      23% off
      CAD 403 CAD 309
    • BUF 18:46
      2h 14m
      Direct
      ORD 20:00
      Buffalo - Chicago | Fri, Nov 6 | American Airlines
      CAD 347
      14% off
      CAD 403 CAD 347
    • BUF 06:15
      4h 17m
      1 stop
      MDW 09:32
      Buffalo - Chicago | Tue, Nov 3 | Delta Air Lines
      CAD 204
      49% off
      CAD 403 CAD 204
    • BUF 06:15
      4h 17m
      1 stop
      MDW 09:32
      Buffalo - Chicago | Thu, Nov 5 | Delta Air Lines
      CAD 234
      42% off
      CAD 403 CAD 234
    • BUF 06:15
      4h 17m
      1 stop
      MDW 09:32
      Buffalo - Chicago | Sat, Nov 7 | Delta Air Lines
      CAD 234
      42% off
      CAD 403 CAD 234
    • BUF 13:00
      17h 25m
      1 stop
      CHI 14:00
      Buffalo - Chicago | Mon, Nov 2 | Normal Airline
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    • BUF 13:53
      2h 2m
      Direct
      ORD 14:55
      Buffalo - Chicago | Wed, Nov 18 | United Airlines
      CAD 286 CAD 1,022
      72% off
      72% off
      CAD 1,022 CAD 286
    • BUF 13:53
      2h 2m
      Direct
      ORD 14:55
      Buffalo - Chicago | Mon, Dec 7 | United Airlines
      CAD 331 CAD 1,022
      68% off
      68% off
      CAD 1,022 CAD 331
    • BUF 13:53
      2h 2m
      Direct
      ORD 14:55
      Buffalo - Chicago | Tue, Dec 15 | United Airlines
      CAD 332 CAD 1,022
      68% off
      68% off
      CAD 1,022 CAD 332
    • BUF 10:30
      2h 2m
      Direct
      ORD 11:32
      Buffalo - Chicago | Tue, Dec 8 | United Airlines
      CAD 347
      66% off
      CAD 1,022 CAD 347
    • BUF 13:53
      2h 2m
      Direct
      ORD 14:55
      Buffalo - Chicago | Sat, Dec 12 | United Airlines
      CAD 347
      66% off
      CAD 1,022 CAD 347
    • BUF 10:30
      2h 2m
      Direct
      ORD 11:32
      Buffalo - Chicago | Fri, Dec 11 | United Airlines
      CAD 681
      33% off
      CAD 1,022 CAD 681
    • BUF 13:53
      2h 2m
      Direct
      ORD 14:55
      Buffalo - Chicago | Tue, Nov 3 | United Airlines
      CAD 919
      10% off
      CAD 1,022 CAD 919
    • BUF 08:00
      2h 5m
      Direct
      ORD 09:05
      Buffalo - Chicago | Thu, Dec 10 | American Airlines
      CAD 196
      21% off
      CAD 248 CAD 196
    • BUF 08:00
      2h 5m
      Direct
      ORD 09:05
      Buffalo - Chicago | Thu, Dec 3 | American Airlines
      CAD 196
      21% off
      CAD 248 CAD 196
    • BUF 13:00
      17h 25m
      1 stop
      CHI 14:00
      Buffalo - Chicago | Mon, Nov 2 | Normal Airline
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Which airlines are the most popular for Buffalo Niagara International Airport to Chicago flights?

See which airlines fly from Buffalo Niagara International Airport to Chicago. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.
United Airlines logo United Airlines

Flight Schedule from Buffalo Niagara International Airport to Chicago

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. F91407

    Buffalo Niagara International Airport

    18:02

    BUF

    2h 37m

    Direct

    20:39

    ATL

    S - T - T - -
    Search

  2. F91595

    Hartsfield–Jackson Atlanta International Airport

    17:15

    ATL

    2h 30m

    Direct

    18:45

    ORD

    S M T W T F S

  3. F91407

    Buffalo Niagara International Airport

    18:02

    BUF

    2h 37m

    Direct

    20:39

    ATL

    S - T - T - -
    Search

  4. F92291

    Hartsfield–Jackson Atlanta International Airport

    20:00

    ATL

    2h 2m

    Direct

    21:02

    MDW

    S M T W T F S

  5. F91691

    Buffalo Niagara International Airport

    18:20

    BUF

    3h 4m

    Direct

    21:24

    MCO

    - - - W - - S
    Search

  6. F93043

    Orlando International Airport

    06:30

    MCO

    3h 16m

    Direct

    08:46

    ORD

    S - - W T - S
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What to know about flights from Buffalo Niagara International Airport to Chicago?

Cheapest return ticket price CAD 328
Cheapest one-way flight price CAD 150
Off-season for travel October
Peak season for travel July

FAQs for Buffalo Niagara International Airport to Chicago Flights

  • When is peak season for travel to Chicago?

    ؜The peak travel time for visiting Chicago is December. During this time, flights from Buffalo Niagara International Airport to Chicago are the most expensive. Cheap tickets can still be booked on Trip.com.
  • Flights from Buffalo Niagara International Airport (BUF) to O'Hare International Airport (CHI) take around 1 hour 59 minutes.
  • The earliest flight departs from Buffalo Niagara International Airport (BUF) at 07:00 and arrives in Chicago (ORD) at 07:48.
  • The latest flight departs from Buffalo Niagara International Airport (BUF) at 17:50 and arrives in Chicago (ORD) at 18:38.
    • The distance from O'Hare International Airport to downtown is about 25km, by taxi about 40 minutes.
    • The distance from Midway International Airport to downtown is about 14km, by taxi about 30 minutes.
  • Yes. United Airlines and American Airlines operate direct flights from Buffalo Niagara International Airport to Chicago. The average flight time is approximately 1 hour 21 minutes, with about 7 flights per week. Actual schedules may vary by season.
  • The cheapest one-way flight from Buffalo Niagara International Airport to Chicago currently starts from CAD 150, with round-trip fares from CAD 291. The lowest fare is offered by Frontier Airlines departing on Sun, Dec 27; prices are subject to availability.
  • Yes. The average flight time from Buffalo Niagara International Airport to Chicago is about 1 hour 21 minutes. Actual flight time may vary due to routing, weather, and air traffic.
  • Currently, multiple airlines offer flights from Buffalo Niagara International Airport to Chicago, including: American Airlines United Airlines Frontier 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 Buffalo Niagara International Airport to Chicago is CAD 299, and the average round-trip fare is CAD 555. Prices may vary depending on the departure date, airline, and availability.
  • The earliest flight from Buffalo Niagara International Airport to Chicago departs at 06:30, and the latest one departs at 19:35. There are approximately 10 flights per day. Flight times may change, so please check the latest departure and arrival times before your trip.
  • Flights from Buffalo Niagara International Airport to Chicago usually arrive at Midway International Airport and O'Hare International Airport. O'Hare International Airport is the most convenient option for this route.

Popular Destinations & Recommendations

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

Book with no extra fees

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.