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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 105 and round-trip from CAD 255. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        BUF 11:24
        2h 5m
        Direct
        ORD 12:29
        Buffalo - Chicago | Tue, Oct 20 | American Airlines
        ORD 21:16
        1h 43m
        Direct
        BUF 23:59
        Chicago - Buffalo | Thu, Oct 22 | American Airlines
        CAD 305 CAD 346
        12% off
        12% off
        CAD 346 CAD 305
      • BUF 07:59
        2h 11m
        Direct
        ORD 09:10
        Buffalo - Chicago | Sat, Oct 3 | American Airlines
        ORD 14:20
        1h 48m
        Direct
        BUF 17:08
        Chicago - Buffalo | Tue, Oct 6 | American Airlines
        CAD 306 CAD 346
        12% off
        12% off
        CAD 346 CAD 306
      • BUF 13:44
        5h 47m
        1 stop
        ORD 18:31
        Buffalo - Chicago | Sat, Oct 17 | Frontier Airlines
        MDW 06:15
        5h 44m
        1 stop
        BUF 12:59
        Chicago - Buffalo | Wed, Oct 21 | Frontier Airlines
        CAD 255 CAD 346
        26% off
        26% off
        CAD 346 CAD 255
      • BUF 13:45
        5h 38m
        1 stop
        ORD 18:23
        Buffalo - Chicago | Sat, Sep 26 | Frontier Airlines
        ORD 06:20
        5h 30m
        1 stop
        BUF 12:50
        Chicago - Buffalo | Sat, Oct 3 | Frontier Airlines
        CAD 257
        26% off
        CAD 346 CAD 257
      • BUF 13:40
        5h 43m
        1 stop
        ORD 18:23
        Buffalo - Chicago | Wed, Sep 23 | Frontier Airlines
        ORD 06:20
        5h 35m
        1 stop
        BUF 12:55
        Chicago - Buffalo | Wed, Sep 30 | Frontier Airlines
        CAD 258
        25% off
        CAD 346 CAD 258
      • BUF 13:44
        5h 47m
        1 stop
        ORD 18:31
        Buffalo - Chicago | Sat, Oct 24 | Frontier Airlines
        MDW 06:16
        5h 59m
        1 stop
        BUF 13:15
        Chicago - Buffalo | Wed, Oct 28 | Frontier Airlines
        CAD 290
        16% off
        CAD 346 CAD 290
      • BUF 13:40
        5h 43m
        1 stop
        ORD 18:23
        Buffalo - Chicago | Wed, Oct 7 | Frontier Airlines
        MDW 06:21
        5h 38m
        1 stop
        BUF 12:59
        Chicago - Buffalo | Wed, Oct 14 | Frontier Airlines
        CAD 298
        14% off
        CAD 346 CAD 298
      • BUF 13:13
        8h 15m
        1 stop
        ORD 20:28
        Buffalo - Chicago | Thu, Oct 22 | Frontier Airlines
        ORD 16:49
        24h 18m
        1 stop
        BUF 18:07
        Chicago - Buffalo | Mon, Oct 26 | Frontier Airlines
        CAD 302
        13% off
        CAD 346 CAD 302
      • BUF 13:44
        5h 47m
        1 stop
        ORD 18:31
        Buffalo - Chicago | Sat, Oct 10 | Frontier Airlines
        ORD 16:20
        1h 30m
        Direct
        BUF 18:50
        Chicago - Buffalo | Sat, Oct 17 |
        CAD 305
        12% off
        CAD 346 CAD 305
      • BUF 15:53
        5h 37m
        1 stop
        ORD 20:30
        Buffalo - Chicago | Sat, Oct 3 | Delta Air Lines
        MDW 18:44
        4h 15m
        1 stop
        BUF 23:59
        Chicago - Buffalo | Tue, Oct 6 | Delta Air Lines
        CAD 311
        10% off
        CAD 346 CAD 311
      • BUF 13:00
        17h 25m
        1 stop
        CHI 14:00
        Buffalo - Chicago | Tue, Sep 22 | Normal Airline
        CHI 15:00
        6h
        Direct
        BUF 16:00
        Chicago - Buffalo | Thu, Sep 24 | Normal Airline
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      • Cheapest nonstop
        BUF 18:56
        2h 19m
        Direct
        ORD 20:15
        Buffalo - Chicago | Sat, Oct 17 | American Airlines
        CAD 153 CAD 174
        12% off
        12% off
        CAD 174 CAD 153
      • BUF 17:50
        2h 10m
        Direct
        ORD 19:00
        Buffalo - Chicago | Sat, Oct 31 | American Airlines
        CAD 156 CAD 174
        10% off
        10% off
        CAD 174 CAD 156
      • BUF 13:40
        5h 11m
        1 stop
        MDW 17:51
        Buffalo - Chicago | Thu, Oct 22 | Frontier Airlines
        CAD 105 CAD 174
        40% off
        40% off
        CAD 174 CAD 105
      • BUF 13:44
        5h 47m
        1 stop
        ORD 18:31
        Buffalo - Chicago | Sun, Nov 1 | Frontier Airlines
        CAD 124
        28% off
        CAD 174 CAD 124
      • BUF 13:40
        5h 11m
        1 stop
        MDW 17:51
        Buffalo - Chicago | Sat, Oct 17 | Frontier Airlines
        CAD 125
        28% off
        CAD 174 CAD 125
      • BUF 13:45
        5h 6m
        1 stop
        MDW 17:51
        Buffalo - Chicago | Sun, Oct 25 | Frontier Airlines
        CAD 125
        28% off
        CAD 174 CAD 125
      • BUF 13:44
        10h 59m
        1 stop
        MDW 23:43
        Buffalo - Chicago | Thu, Nov 5 | Frontier Airlines
        CAD 129
        26% off
        CAD 174 CAD 129
      • BUF 13:44
        5h 47m
        1 stop
        ORD 18:31
        Buffalo - Chicago | Sun, Nov 8 | Frontier Airlines
        CAD 131
        25% off
        CAD 174 CAD 131
      • BUF 13:40
        5h 11m
        1 stop
        MDW 17:51
        Buffalo - Chicago | Thu, Oct 15 | Frontier Airlines
        CAD 142
        18% off
        CAD 174 CAD 142
      • BUF 18:51
        13h 40m
        1 stop
        ORD 07:31
        Buffalo - Chicago | Wed, Nov 4 | Frontier Airlines
        CAD 148
        15% off
        CAD 174 CAD 148
      • BUF 11:36
        12h 11m
        1 stop
        MDW 22:47
        Buffalo - Chicago | Tue, Sep 22 | Frontier Airlines
        CAD 149
        14% off
        CAD 174 CAD 149
      • BUF 12:49
        11h 10m
        1 stop
        ORD 22:59
        Buffalo - Chicago | Fri, Oct 2 | Frontier Airlines
        CAD 150
        14% off
        CAD 174 CAD 150
      • BUF 13:40
        5h 11m
        1 stop
        MDW 17:51
        Buffalo - Chicago | Thu, Oct 8 | Frontier Airlines
        CAD 152
        13% off
        CAD 174 CAD 152
      • BUF 13:45
        5h 6m
        1 stop
        MDW 17:51
        Buffalo - Chicago | Sun, Oct 18 | Frontier Airlines
        CAD 152
        13% off
        CAD 174 CAD 152
      • BUF 13:00
        17h 25m
        1 stop
        CHI 14:00
        Buffalo - Chicago | Tue, Sep 22 | Normal Airline
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Flight fares from Buffalo Niagara International Airport to Chicago are based on average prices across airlines for the next three months, according to Trip.com’s latest data.

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. AA856

    Buffalo Niagara International Airport

    18:56

    BUF

    2h 19m

    20:15

    ORD

    S M T W T F S
    Search

  2. F91407

    Buffalo Niagara International Airport

    13:40

    BUF

    2h 15m

    Direct

    15:55

    ATL

    S - T - T F -
    Search

  3. F92779

    Hartsfield–Jackson Atlanta International Airport

    16:55

    ATL

    1h 56m

    Direct

    17:51

    MDW

    S M T W T F S

  4. F91407

    Buffalo Niagara International Airport

    13:40

    BUF

    2h 15m

    Direct

    15:55

    ATL

    S - T - T F -
    Search

  5. F91595

    Hartsfield–Jackson Atlanta International Airport

    17:02

    ATL

    2h 21m

    Direct

    18:23

    ORD

    S M T W T F S

  6. DL5820

    Buffalo Niagara International Airport

    06:00

    BUF

    1h 30m

    Direct

    07:30

    LGA

    S M T W T F S
    Search

  7. DL2240

    LaGuardia Airport

    11:30

    LGA

    2h 42m

    Direct

    13:12

    ORD

    S M T W T F S

  8. F91407

    Buffalo Niagara International Airport

    13:40

    BUF

    2h 15m

    Direct

    15:55

    ATL

    S - T - T F -
    Search

  9. F92291

    Hartsfield–Jackson Atlanta International Airport

    22:50

    ATL

    1h 54m

    Direct

    23:44

    MDW

    S - - W T - S

  10. F91691

    Buffalo Niagara International Airport

    12:49

    BUF

    2h 50m

    Direct

    15:39

    MCO

    - M - W - - S
    Search

  11. F93043

    Orlando International Airport

    08:10

    MCO

    3h 10m

    Direct

    10:20

    ORD

    S - - W T - S

  12. F91691

    Buffalo Niagara International Airport

    12:49

    BUF

    2h 50m

    Direct

    15:39

    MCO

    - M - W - - S
    Search

  13. F91349

    Orlando International Airport

    20:51

    MCO

    3h 8m

    Direct

    22:59

    ORD

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

Cheapest return ticket priceCAD 287
Cheapest one-way flight priceCAD 134
Off-season travel monthOctober
Peak season for travelJanuary

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 October. 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 Chicago 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 26 minutes, with about 6 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 105, with round-trip fares from CAD 255. The lowest fare is offered by Frontier Airlines departing on Thu, Oct 22; prices are subject to availability.
  • Yes. The average flight time from Buffalo Niagara International Airport to Chicago is about 1 hour 25 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: United Airlines American Airlines Jetblue Airways 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 277, and the average round-trip fare is CAD 554. 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 19:10. 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 Chicago 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.

Book with no extra fees

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

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
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.