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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 159 and round-trip from CAD 264. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        BUF 11:24 AM
        2h 5m
        Nonstop
        ORD 12:29 PM
        Buffalo - Chicago | Wed, Oct 21 | American Airlines
        ORD 9:16 PM
        1h 43m
        Nonstop
        BUF 11:59 PM
        Chicago - Buffalo | Fri, Oct 23 | American Airlines
        CAD 312 CAD 466
        33% off
        33% off
        CAD 466 CAD 312
      • BUF 8:00 AM
        2h 5m
        Nonstop
        ORD 9:05 AM
        Buffalo - Chicago | Sun, Oct 18 | American Airlines
        ORD 9:16 PM
        1h 43m
        Nonstop
        BUF 11:59 PM
        Chicago - Buffalo | Fri, Oct 23 | American Airlines
        CAD 340 CAD 466
        27% off
        27% off
        CAD 466 CAD 340
      • BUF 1:44 PM
        5h 47m
        1 stop
        ORD 6:31 PM
        Buffalo - Chicago | Sun, Oct 18 | Frontier Airlines
        MDW 6:15 AM
        5h 44m
        1 stop
        BUF 12:59 PM
        Chicago - Buffalo | Thu, Oct 22 | Frontier Airlines
        CAD 264 CAD 466
        43% off
        43% off
        CAD 466 CAD 264
      • BUF 1:44 PM
        5h 47m
        1 stop
        ORD 6:31 PM
        Buffalo - Chicago | Sun, Oct 25 | Frontier Airlines
        MDW 6:16 AM
        5h 59m
        1 stop
        BUF 1:15 PM
        Chicago - Buffalo | Thu, Oct 29 | Frontier Airlines
        CAD 296
        36% off
        CAD 466 CAD 296
      • BUF 1:44 PM
        5h 47m
        1 stop
        ORD 6:31 PM
        Buffalo - Chicago | Sat, Oct 24 | Frontier Airlines
        MDW 6:21 AM
        5h 38m
        1 stop
        BUF 12:59 PM
        Chicago - Buffalo | Sun, Oct 25 | Frontier Airlines
        CAD 303
        35% off
        CAD 466 CAD 303
      • BUF 1:48 PM
        5h 57m
        1 stop
        ORD 6:45 PM
        Buffalo - Chicago | Tue, Nov 17 | Frontier Airlines
        MDW 6:08 AM
        6h 41m
        1 stop
        BUF 1:49 PM
        Chicago - Buffalo | Fri, Nov 20 | Frontier Airlines
        CAD 306
        34% off
        CAD 466 CAD 306
      • BUF 2:10 PM
        6h 10m
        1 stop
        ORD 7:20 PM
        Buffalo - Chicago | Wed, Oct 21 | Delta Air Lines
        ORD 7:30 PM
        3h 29m
        1 stop
        BUF 11:59 PM
        Chicago - Buffalo | Fri, Oct 23 | Delta Air Lines
        CAD 318
        32% off
        CAD 466 CAD 318
      • BUF 12:54 PM
        20h 52m
        1 stop
        ORD 8:46 AM
        Buffalo - Chicago | Fri, Oct 30 | Frontier Airlines
        MDW 6:16 AM
        5h 47m
        1 stop
        BUF 1:03 PM
        Chicago - Buffalo | Tue, Nov 3 | Frontier Airlines
        CAD 329
        28% off
        CAD 466 CAD 329
      • BUF 1:44 PM
        5h 47m
        1 stop
        ORD 6:31 PM
        Buffalo - Chicago | Thu, Oct 22 | Frontier Airlines
        MDW 6:16 AM
        5h 59m
        1 stop
        BUF 1:15 PM
        Chicago - Buffalo | Thu, Oct 29 | Frontier Airlines
        CAD 334
        28% off
        CAD 466 CAD 334
      • BUF 1:00 PM
        17h 25m
        1 stop
        CHI 2:00 PM
        Buffalo - Chicago | Tue, Oct 13 | Normal Airline
        CHI 3:00 PM
        6h
        Nonstop
        BUF 4:00 PM
        Chicago - Buffalo | Thu, Oct 15 | Normal Airline
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      • BUF 1:48 PM
        5h 57m
        1 stop
        ORD 6:45 PM
        Buffalo - Chicago | Tue, Nov 10 | Frontier Airlines
        CAD 159 CAD 247
        36% off
        36% off
        CAD 247 CAD 159
      • BUF 2:34 PM
        6h 59m
        1 stop
        ORD 8:33 PM
        Buffalo - Chicago | Fri, Nov 20 | Frontier Airlines
        CAD 160 CAD 247
        35% off
        35% off
        CAD 247 CAD 160
      • BUF 1:15 PM
        6h 22m
        1 stop
        ORD 6:37 PM
        Buffalo - Chicago | Thu, Dec 10 | Frontier Airlines
        CAD 161 CAD 247
        35% off
        35% off
        CAD 247 CAD 161
      • BUF 1:48 PM
        5h 57m
        1 stop
        ORD 6:45 PM
        Buffalo - Chicago | Tue, Nov 3 | Frontier Airlines
        CAD 169
        32% off
        CAD 247 CAD 169
      • BUF 1:48 PM
        5h 57m
        1 stop
        ORD 6:45 PM
        Buffalo - Chicago | Sat, Nov 14 | Frontier Airlines
        CAD 171
        31% off
        CAD 247 CAD 171
      • BUF 2:39 PM
        7h 3m
        1 stop
        MDW 8:42 PM
        Buffalo - Chicago | Tue, Dec 8 | Frontier Airlines
        CAD 171
        31% off
        CAD 247 CAD 171
      • BUF 1:48 PM
        5h 57m
        1 stop
        ORD 6:45 PM
        Buffalo - Chicago | Tue, Nov 17 | Frontier Airlines
        CAD 173
        30% off
        CAD 247 CAD 173
      • BUF 2:00 PM
        10h 47m
        1 stop
        MDW 11:47 PM
        Buffalo - Chicago | Thu, Nov 12 | Frontier Airlines
        CAD 177
        28% off
        CAD 247 CAD 177
      • BUF 8:02 AM
        11h 52m
        1 stop
        ORD 6:54 PM
        Buffalo - Chicago | Sat, Nov 7 | Frontier Airlines
        CAD 177
        28% off
        CAD 247 CAD 177
      • BUF 6:51 PM
        14h
        1 stop
        ORD 7:51 AM
        Buffalo - Chicago | Wed, Oct 14 | Frontier Airlines
        CAD 177
        28% off
        CAD 247 CAD 177
      • BUF 2:00 PM
        10h 47m
        1 stop
        MDW 11:47 PM
        Buffalo - Chicago | Thu, Oct 29 | Frontier Airlines
        CAD 177
        28% off
        CAD 247 CAD 177
      • BUF 2:00 PM
        10h 47m
        1 stop
        MDW 11:47 PM
        Buffalo - Chicago | Thu, Nov 19 | Frontier Airlines
        CAD 177
        28% off
        CAD 247 CAD 177
      • BUF 1:00 PM
        17h 25m
        1 stop
        CHI 2:00 PM
        Buffalo - Chicago | Tue, Oct 13 | Normal Airline
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Displayed flight fares from Buffalo Niagara International Airport 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.
American Airlines logo American Airlines
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

    1:40 PM

    BUF

    2h 15m

    Nonstop

    3:55 PM

    ATL

    S - T - T F -
    Search

  2. F91595

    Hartsfield–Jackson Atlanta International Airport

    5:10 PM

    ATL

    2h 21m

    Nonstop

    6:31 PM

    ORD

    S M T W T F S

  3. F91407

    Buffalo Niagara International Airport

    1:40 PM

    BUF

    2h 15m

    Nonstop

    3:55 PM

    ATL

    S - T - T F -
    Search

  4. F92779

    Hartsfield–Jackson Atlanta International Airport

    4:44 PM

    ATL

    2h 1m

    Nonstop

    5:45 PM

    MDW

    - - - W - - S

  5. F91407

    Buffalo Niagara International Airport

    1:40 PM

    BUF

    2h 15m

    Nonstop

    3:55 PM

    ATL

    S - T - T F -
    Search

  6. F92291

    Hartsfield–Jackson Atlanta International Airport

    10:50 PM

    ATL

    1h 53m

    Nonstop

    11:43 PM

    MDW

    S M T W T F S

  7. F91691

    Buffalo Niagara International Airport

    12:53 PM

    BUF

    2h 44m

    Nonstop

    3:37 PM

    MCO

    - M - W - - S
    Search

  8. F93043

    Orlando Intl. Airport

    5:20 AM

    MCO

    3h 11m

    Nonstop

    7:31 AM

    ORD

    S M T W T F S
Find more flights and airlines

What to know about flights from Buffalo Niagara International Airport to Chicago?

Cheapest round-trip ticket price CAD 293
Cheapest one-way flight price CAD 159
Off-season for travel September
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 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 O'Hare International Airport (CHI) take around 1 hour 59 minutes.
  • The earliest flight departs from Buffalo Niagara International Airport (BUF) at 06:14 and arrives in Chicago (ORD) at 07:13.
  • The latest flight departs from Buffalo Niagara International Airport (BUF) at 17:55 and arrives in Chicago (ORD) at 18:51.
    • The distance from O'Hare International Airport to downtown is about 25 km. It takes about 40 minutes by taxi.
    • The distance from Chicago Midway International Airport to downtown is about 14 km. It takes about 30 minutes by taxi.
  • 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 8 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 159, with round-trip fares from CAD 264. The lowest fare is offered by Frontier Airlines departing on Tue, Nov 10; prices are subject to availability.
  • Yes. The average flight time from Buffalo Niagara International Airport to Chicago is about 1 hour 24 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 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 297, and the average round-trip fare is CAD 578. Prices may vary depending on the departure date, airline, and availability.
  • The earliest flight from Buffalo Niagara International Airport to Chicago departs at 07:00, 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 Chicago Midway International Airport and O'Hare International Airport. O'Hare International Airport is the most convenient option for this route.

Popular Destinations

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 in 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, WLAN, 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 last 25 hours—even in real-time. The more popular the route, the more precise the data.

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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.