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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 €100 and round-trip from €167. Based on Trip.com's latest 7-day flight data.

    • Cheapest
      BUF 18:51
      29h 8m
      1 stop
      ORD 22:59
      Buffalo - Chicago | Sun, Nov 1 | Frontier Airlines
      €100 €130
      23% off
      23% off
      €130 €100
    • Cheapest
      BUF 13:48
      5h 57m
      1 stop
      ORD 18:45
      Buffalo - Chicago | Sat, Dec 5 | Frontier Airlines
      €100 €130
      23% off
      23% off
      €130 €100
    • BUF 13:44
      5h 47m
      1 stop
      ORD 18:31
      Buffalo - Chicago | Mon, Nov 9 | Frontier Airlines
      €101 €130
      22% off
      22% off
      €130 €101
    • BUF 14:34
      6h 59m
      1 stop
      ORD 20:33
      Buffalo - Chicago | Tue, Dec 15 | Frontier Airlines
      €101
      22% off
      €130 €101
    • BUF 13:48
      5h 57m
      1 stop
      ORD 18:45
      Buffalo - Chicago | Sat, Nov 28 | Frontier Airlines
      €107
      18% off
      €130 €107
    • BUF 13:44
      5h 47m
      1 stop
      ORD 18:31
      Buffalo - Chicago | Mon, Nov 16 | Frontier Airlines
      €107
      18% off
      €130 €107
    • BUF 13:48
      5h 57m
      1 stop
      ORD 18:45
      Buffalo - Chicago | Wed, Dec 9 | Frontier Airlines
      €108
      17% off
      €130 €108
    • BUF 13:48
      5h 57m
      1 stop
      ORD 18:45
      Buffalo - Chicago | Sat, Dec 12 | Frontier Airlines
      €110
      15% off
      €130 €110
    • BUF 14:00
      10h 47m
      1 stop
      MDW 23:47
      Buffalo - Chicago | Mon, Dec 7 | Frontier Airlines
      €112
      14% off
      €130 €112
    • BUF 13:00
      17h 25m
      1 stop
      CHI 14:00
      Buffalo - Chicago | Mon, Nov 2 | Normal Airline
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    • Cheapest nonstop
      BUF 11:24
      2h 5m
      Direct
      ORD 12:29
      Buffalo - Chicago | Sun, Nov 15 | American Airlines
      ORD 21:16
      1h 43m
      Direct
      BUF 23:59
      Chicago - Buffalo | Tue, Nov 17 | American Airlines
      €197 €238
      17% off
      17% off
      €238 €197
    • BUF 13:44
      5h 47m
      1 stop
      ORD 18:31
      Buffalo - Chicago | Thu, Nov 12 | Frontier Airlines
      MDW 06:15
      5h 44m
      1 stop
      BUF 12:59
      Chicago - Buffalo | Mon, Nov 16 | Frontier Airlines
      €167 €238
      30% off
      30% off
      €238 €167
    • BUF 13:44
      5h 47m
      1 stop
      ORD 18:31
      Buffalo - Chicago | Thu, Nov 19 | Frontier Airlines
      MDW 06:16
      5h 59m
      1 stop
      BUF 13:15
      Chicago - Buffalo | Mon, Nov 23 | Frontier Airlines
      €187 €238
      21% off
      21% off
      €238 €187
    • BUF 13:44
      5h 47m
      1 stop
      ORD 18:31
      Buffalo - Chicago | Wed, Nov 18 | Frontier Airlines
      MDW 06:21
      5h 38m
      1 stop
      BUF 12:59
      Chicago - Buffalo | Thu, Nov 19 | Frontier Airlines
      €192
      19% off
      €238 €192
    • BUF 13:44
      5h 47m
      1 stop
      ORD 18:31
      Buffalo - Chicago | Thu, Nov 5 | Frontier Airlines
      ORD 16:20
      1h 30m
      Direct
      BUF 18:50
      Chicago - Buffalo | Thu, Nov 12 |
      €197
      17% off
      €238 €197
    • BUF 14:10
      6h 10m
      1 stop
      ORD 19:20
      Buffalo - Chicago | Sun, Nov 15 | Delta Air Lines
      ORD 19:30
      3h 29m
      1 stop
      BUF 23:59
      Chicago - Buffalo | Tue, Nov 17 | Delta Air Lines
      €201
      16% off
      €238 €201
    • BUF 13:48
      5h 57m
      1 stop
      ORD 18:45
      Buffalo - Chicago | Sat, Dec 12 | Frontier Airlines
      ORD 07:31
      5h 18m
      1 stop
      BUF 13:49
      Chicago - Buffalo | Tue, Dec 15 | Frontier Airlines
      €210
      12% off
      €238 €210
    • BUF 13:44
      5h 47m
      1 stop
      ORD 18:31
      Buffalo - Chicago | Mon, Nov 16 | Frontier Airlines
      MDW 06:16
      5h 59m
      1 stop
      BUF 13:15
      Chicago - Buffalo | Mon, Nov 23 | Frontier Airlines
      €211
      11% off
      €238 €211
    • BUF 13:40
      5h 43m
      1 stop
      ORD 18:23
      Buffalo - Chicago | Mon, Nov 2 | Frontier Airlines
      ORD 08:26
      8h 26m
      1 stop
      BUF 17:52
      Chicago - Buffalo | Fri, Nov 6 | Frontier Airlines
      €214
      10% off
      €238 €214
    • 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 11:26
      2h 32m
      Direct
      ORD 12:58
      Buffalo - Chicago | Wed, Dec 30 | American Airlines
      €117 €130
      10% off
      10% off
      €130 €117
    • BUF 06:25
      2h 35m
      Direct
      ORD 08:00
      Buffalo - Chicago | Sat, Dec 19 | American Airlines
      €120 €159
      25% off
      25% off
      €159 €120
    • BUF 07:57
      2h 8m
      Direct
      ORD 09:05
      Buffalo - Chicago | Tue, Nov 3 | American Airlines
      €126 €159
      21% off
      21% off
      €159 €126
    • BUF 11:26
      2h 14m
      Direct
      ORD 12:40
      Buffalo - Chicago | Mon, Nov 9 | American Airlines
      €126
      21% off
      €159 €126
    • BUF 18:45
      2h 14m
      Direct
      ORD 19:59
      Buffalo - Chicago | Wed, Dec 16 | American Airlines
      €126
      21% off
      €159 €126
    • BUF 08:00
      2h 5m
      Direct
      ORD 09:05
      Buffalo - Chicago | Thu, Dec 10 | American Airlines
      €126
      21% off
      €159 €126
    • BUF 18:46
      2h 14m
      Direct
      ORD 20:00
      Buffalo - Chicago | Mon, Dec 7 | American Airlines
      €126
      21% off
      €159 €126
    • BUF 08:00
      2h 5m
      Direct
      ORD 09:05
      Buffalo - Chicago | Thu, Dec 3 | American Airlines
      €126
      21% off
      €159 €126
    • BUF 06:25
      2h 35m
      Direct
      ORD 08:00
      Buffalo - Chicago | Tue, Dec 22 | American Airlines
      €143
      10% off
      €159 €143
    • 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
      €120 €167
      28% off
      28% off
      €167 €120
    • BUF 07:57
      2h 8m
      Direct
      ORD 09:05
      Buffalo - Chicago | Tue, Nov 3 | American Airlines
      €126 €167
      25% off
      25% off
      €167 €126
    • BUF 11:26
      2h 14m
      Direct
      ORD 12:40
      Buffalo - Chicago | Mon, Nov 9 | American Airlines
      €126 €167
      25% off
      25% off
      €167 €126
    • BUF 18:45
      2h 14m
      Direct
      ORD 19:59
      Buffalo - Chicago | Wed, Dec 16 | American Airlines
      €126
      25% off
      €167 €126
    • BUF 08:00
      2h 5m
      Direct
      ORD 09:05
      Buffalo - Chicago | Thu, Dec 10 | American Airlines
      €126
      25% off
      €167 €126
    • BUF 08:00
      2h 5m
      Direct
      ORD 09:05
      Buffalo - Chicago | Tue, Dec 15 | American Airlines
      €126
      25% off
      €167 €126
    • BUF 08:00
      2h 5m
      Direct
      ORD 09:05
      Buffalo - Chicago | Thu, Dec 3 | American Airlines
      €126
      25% off
      €167 €126
    • BUF 06:25
      2h 35m
      Direct
      ORD 08:00
      Buffalo - Chicago | Tue, Dec 22 | American Airlines
      €143
      14% off
      €167 €143
    • BUF 11:26
      2h 14m
      Direct
      ORD 12:40
      Buffalo - Chicago | Wed, Nov 4 | American Airlines
      €143
      14% off
      €167 €143
    • 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
      €126 €259
      51% off
      51% off
      €259 €126
    • BUF 11:26
      2h 14m
      Direct
      ORD 12:40
      Buffalo - Chicago | Wed, Nov 4 | American Airlines
      €143 €259
      45% off
      45% off
      €259 €143
    • BUF 18:46
      2h 14m
      Direct
      ORD 20:00
      Buffalo - Chicago | Sat, Nov 7 | American Airlines
      €143 €259
      45% off
      45% off
      €259 €143
    • BUF 07:57
      2h 8m
      Direct
      ORD 09:05
      Buffalo - Chicago | Thu, Nov 5 | American Airlines
      €143
      45% off
      €259 €143
    • BUF 07:55
      2h 10m
      Direct
      ORD 09:05
      Buffalo - Chicago | Sun, Nov 1 | American Airlines
      €198
      24% off
      €259 €198
    • BUF 18:46
      2h 14m
      Direct
      ORD 20:00
      Buffalo - Chicago | Fri, Nov 6 | American Airlines
      €223
      14% off
      €259 €223
    • BUF 06:15
      4h 17m
      1 stop
      MDW 09:32
      Buffalo - Chicago | Tue, Nov 3 | Delta Air Lines
      €131
      49% off
      €259 €131
    • BUF 06:15
      4h 17m
      1 stop
      MDW 09:32
      Buffalo - Chicago | Thu, Nov 5 | Delta Air Lines
      €150
      42% off
      €259 €150
    • BUF 06:15
      4h 17m
      1 stop
      MDW 09:32
      Buffalo - Chicago | Sat, Nov 7 | Delta Air Lines
      €150
      42% off
      €259 €150
    • 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
      €184 €656
      72% off
      72% off
      €656 €184
    • BUF 13:53
      2h 2m
      Direct
      ORD 14:55
      Buffalo - Chicago | Mon, Dec 7 | United Airlines
      €213 €656
      68% off
      68% off
      €656 €213
    • BUF 13:53
      2h 2m
      Direct
      ORD 14:55
      Buffalo - Chicago | Tue, Dec 15 | United Airlines
      €214 €656
      67% off
      67% off
      €656 €214
    • BUF 10:30
      2h 2m
      Direct
      ORD 11:32
      Buffalo - Chicago | Tue, Dec 8 | United Airlines
      €223
      66% off
      €656 €223
    • BUF 13:53
      2h 2m
      Direct
      ORD 14:55
      Buffalo - Chicago | Sat, Dec 12 | United Airlines
      €223
      66% off
      €656 €223
    • BUF 10:30
      2h 2m
      Direct
      ORD 11:32
      Buffalo - Chicago | Fri, Dec 11 | United Airlines
      €437
      33% off
      €656 €437
    • BUF 13:53
      2h 2m
      Direct
      ORD 14:55
      Buffalo - Chicago | Tue, Nov 3 | United Airlines
      €590
      10% off
      €656 €590
    • BUF 08:00
      2h 5m
      Direct
      ORD 09:05
      Buffalo - Chicago | Thu, Dec 10 | American Airlines
      €126
      21% off
      €159 €126
    • BUF 08:00
      2h 5m
      Direct
      ORD 09:05
      Buffalo - Chicago | Thu, Dec 3 | American Airlines
      €126
      21% off
      €159 €126
    • BUF 13:00
      17h 25m
      1 stop
      CHI 14:00
      Buffalo - Chicago | Mon, Nov 2 | Normal Airline
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Displayed flight fares from Buffalo to Chicago are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

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

    16:54

    BUF

    2h 35m

    Direct

    19:29

    ATL

    S - T - T - -
    Search

  2. F91595

    Hartsfield–Jackson Atlanta International Airport

    20:43

    ATL

    2h 17m

    Direct

    22:00

    ORD

    S M T W T F S

  3. F91407

    Buffalo Niagara International Airport

    16:54

    BUF

    2h 35m

    Direct

    19:29

    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

    21:20

    BUF

    2h 49m

    Direct

    00:09

    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 €211
Cheapest one-way flight price €96
Off-season travel month October
Peak season for travel January

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 Buffalo Niagara International Airport(CHI) take around 1 hour 59 minutes.
    • 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 €100, with round-trip fares from €167. The lowest fare is offered by Frontier Airlines departing on Sun, Nov 1; 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 €192, and the average round-trip fare is €356. 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.

Find Cheap Flights with Trip.com

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

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Prices displayed on 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, 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 were updated within the last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

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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.