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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 €96 and round-trip from €187. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      BUF 11:26 AM
      2h 3m
      Nonstop
      ORD 12:29 PM
      Buffalo - Chicago | Mon, Nov 2 | American Airlines
      ORD 7:00 PM
      1h 37m
      Nonstop
      BUF 9:37 PM
      Chicago - Buffalo | Sat, Nov 7 | American Airlines
      €215 €295
      27% off
      27% off
      €295 €215
    • BUF 11:26 AM
      2h 14m
      Nonstop
      ORD 12:40 PM
      Buffalo - Chicago | Sat, Nov 7 | American Airlines
      ORD 7:00 PM
      1h 37m
      Nonstop
      BUF 9:37 PM
      Chicago - Buffalo | Sat, Nov 7 | American Airlines
      €215 €295
      27% off
      27% off
      €295 €215
    • BUF 2:00 PM
      10h 47m
      1 stop
      MDW 11:47 PM
      Buffalo - Chicago | Sun, Nov 22 | Frontier Airlines
      MDW 8:42 PM
      14h 46m
      1 stop
      BUF 12:28 PM
      Chicago - Buffalo | Sun, Nov 29 | Frontier Airlines
      €187 €295
      37% off
      37% off
      €295 €187
    • BUF 1:48 PM
      5h 57m
      1 stop
      ORD 6:45 PM
      Buffalo - Chicago | Fri, Nov 20 | Frontier Airlines
      MDW 6:08 AM
      6h 7m
      1 stop
      BUF 1:15 PM
      Chicago - Buffalo | Sun, Nov 22 | Frontier Airlines
      €193
      35% off
      €295 €193
    • BUF 1:03 PM
      7h 44m
      1 stop
      MDW 7:47 PM
      Buffalo - Chicago | Wed, Nov 25 | Frontier Airlines
      MDW 8:42 PM
      22h 42m
      1 stop
      BUF 8:24 PM
      Chicago - Buffalo | Fri, Nov 27 | Frontier Airlines
      €196
      34% off
      €295 €196
    • BUF 12:54 PM
      20h 52m
      1 stop
      ORD 8:46 AM
      Buffalo - Chicago | Mon, Nov 2 | Frontier Airlines
      MDW 6:16 AM
      5h 47m
      1 stop
      BUF 1:03 PM
      Chicago - Buffalo | Fri, Nov 6 | Frontier Airlines
      €208
      28% off
      €295 €208
    • BUF 1:15 PM
      9h 45m
      1 stop
      ORD 10:00 PM
      Buffalo - Chicago | Sun, Dec 20 | Frontier Airlines
      MDW 7:05 PM
      1h 30m
      Nonstop
      BUF 9:35 PM
      Chicago - Buffalo | Thu, Dec 24 |
      €216
      27% off
      €295 €216
    • BUF 8:02 PM
      13h 44m
      1 stop
      ORD 8:46 AM
      Buffalo - Chicago | Mon, Nov 16 | Frontier Airlines
      MDW 7:50 AM
      1h 35m
      Nonstop
      BUF 10:25 AM
      Chicago - Buffalo | Thu, Nov 19 |
      €217
      26% off
      €295 €217
    • BUF 1:48 PM
      5h 57m
      1 stop
      ORD 6:45 PM
      Buffalo - Chicago | Tue, Nov 17 | Frontier Airlines
      MDW 6:08 AM
      5h 55m
      1 stop
      BUF 1:03 PM
      Chicago - Buffalo | Fri, Nov 20 | Frontier Airlines
      €265
      10% off
      €295 €265
    • BUF 1:00 PM
      17h 25m
      1 stop
      CHI 2:00 PM
      Buffalo - Chicago | Mon, Nov 2 | Normal Airline
      CHI 3:00 PM
      6h
      Nonstop
      BUF 4:00 PM
      Chicago - Buffalo | Wed, Nov 4 | Normal Airline
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    • Cheapest
      BUF 9:38 PM
      22h 52m
      1 stop
      MDW 7:30 PM
      Buffalo - Chicago | Wed, Dec 23 | Frontier Airlines
      €96 €129
      26% off
      26% off
      €129 €96
    • Cheapest
      BUF 9:20 PM
      23h 27m
      1 stop
      MDW 7:47 PM
      Buffalo - Chicago | Sat, Nov 28 | Frontier Airlines
      €96 €129
      26% off
      26% off
      €129 €96
    • BUF 9:20 PM
      28h 22m
      1 stop
      ORD 12:42 AM
      Buffalo - Chicago | Sun, Nov 29 | Frontier Airlines
      €97 €129
      25% off
      25% off
      €129 €97
    • BUF 1:03 PM
      7h 44m
      1 stop
      MDW 7:47 PM
      Buffalo - Chicago | Wed, Nov 25 | Frontier Airlines
      €99
      23% off
      €129 €99
    • BUF 1:48 PM
      5h 57m
      1 stop
      ORD 6:45 PM
      Buffalo - Chicago | Fri, Nov 13 | Frontier Airlines
      €100
      22% off
      €129 €100
    • BUF 2:34 PM
      6h 59m
      1 stop
      ORD 8:33 PM
      Buffalo - Chicago | Mon, Nov 23 | Frontier Airlines
      €101
      22% off
      €129 €101
    • BUF 1:15 PM
      6h 22m
      1 stop
      ORD 6:37 PM
      Buffalo - Chicago | Sun, Dec 13 | Frontier Airlines
      €102
      21% off
      €129 €102
    • BUF 1:48 PM
      5h 57m
      1 stop
      ORD 6:45 PM
      Buffalo - Chicago | Fri, Nov 6 | Frontier Airlines
      €107
      17% off
      €129 €107
    • BUF 1:48 PM
      5h 57m
      1 stop
      ORD 6:45 PM
      Buffalo - Chicago | Tue, Nov 17 | Frontier Airlines
      €108
      16% off
      €129 €108
    • BUF 1:00 PM
      17h 25m
      1 stop
      CHI 2:00 PM
      Buffalo - Chicago | Mon, Nov 2 | Normal Airline
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    • Cheapest nonstop
      BUF 6:46 PM
      2h 14m
      Nonstop
      ORD 8:00 PM
      Buffalo - Chicago | Tue, Dec 8 | American Airlines
      €116 €129
      10% off
      10% off
      €129 €116
    • BUF 6:25 AM
      2h 35m
      Nonstop
      ORD 8:00 AM
      Buffalo - Chicago | Sat, Dec 19 | American Airlines
      €120 €259
      54% off
      54% off
      €259 €120
    • BUF 7:57 AM
      2h 8m
      Nonstop
      ORD 9:05 AM
      Buffalo - Chicago | Wed, Nov 11 | American Airlines
      €124 €259
      52% off
      52% off
      €259 €124
    • BUF 11:26 AM
      2h 14m
      Nonstop
      ORD 12:40 PM
      Buffalo - Chicago | Mon, Nov 9 | American Airlines
      €126
      51% off
      €259 €126
    • BUF 7:57 AM
      2h 8m
      Nonstop
      ORD 9:05 AM
      Buffalo - Chicago | Tue, Nov 3 | American Airlines
      €126
      51% off
      €259 €126
    • BUF 6:46 PM
      2h 14m
      Nonstop
      ORD 8:00 PM
      Buffalo - Chicago | Sat, Nov 7 | American Airlines
      €126
      51% off
      €259 €126
    • BUF 7:57 AM
      2h 8m
      Nonstop
      ORD 9:05 AM
      Buffalo - Chicago | Thu, Nov 5 | American Airlines
      €126
      51% off
      €259 €126
    • BUF 6:45 PM
      2h 14m
      Nonstop
      ORD 7:59 PM
      Buffalo - Chicago | Wed, Dec 16 | American Airlines
      €126
      51% off
      €259 €126
    • BUF 8:00 AM
      2h 5m
      Nonstop
      ORD 9:05 AM
      Buffalo - Chicago | Thu, Dec 10 | American Airlines
      €126
      51% off
      €259 €126
    • BUF 1:00 PM
      17h 25m
      1 stop
      CHI 2:00 PM
      Buffalo - Chicago | Mon, Nov 2 | Normal Airline
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    • Cheapest nonstop
      BUF 6:25 AM
      2h 35m
      Nonstop
      ORD 8:00 AM
      Buffalo - Chicago | Sat, Dec 19 | American Airlines
      €120 €259
      54% off
      54% off
      €259 €120
    • BUF 7:57 AM
      2h 8m
      Nonstop
      ORD 9:05 AM
      Buffalo - Chicago | Wed, Nov 11 | American Airlines
      €124 €259
      52% off
      52% off
      €259 €124
    • BUF 7:57 AM
      2h 8m
      Nonstop
      ORD 9:05 AM
      Buffalo - Chicago | Tue, Nov 3 | American Airlines
      €126 €259
      51% off
      51% off
      €259 €126
    • BUF 11:26 AM
      2h 14m
      Nonstop
      ORD 12:40 PM
      Buffalo - Chicago | Mon, Nov 9 | American Airlines
      €126
      51% off
      €259 €126
    • BUF 6:46 PM
      2h 14m
      Nonstop
      ORD 8:00 PM
      Buffalo - Chicago | Sat, Nov 7 | American Airlines
      €126
      51% off
      €259 €126
    • BUF 7:57 AM
      2h 8m
      Nonstop
      ORD 9:05 AM
      Buffalo - Chicago | Thu, Nov 5 | American Airlines
      €126
      51% off
      €259 €126
    • BUF 6:45 PM
      2h 14m
      Nonstop
      ORD 7:59 PM
      Buffalo - Chicago | Wed, Dec 16 | American Airlines
      €126
      51% off
      €259 €126
    • BUF 8:00 AM
      2h 5m
      Nonstop
      ORD 9:05 AM
      Buffalo - Chicago | Thu, Dec 10 | American Airlines
      €126
      51% off
      €259 €126
    • BUF 8:00 AM
      2h 5m
      Nonstop
      ORD 9:05 AM
      Buffalo - Chicago | Tue, Dec 15 | American Airlines
      €126
      51% off
      €259 €126
    • BUF 1:00 PM
      17h 25m
      1 stop
      CHI 2:00 PM
      Buffalo - Chicago | Mon, Nov 2 | Normal Airline
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    • Cheapest nonstop
      BUF 7:57 AM
      2h 8m
      Nonstop
      ORD 9:05 AM
      Buffalo - Chicago | Tue, Nov 3 | American Airlines
      €126 €282
      55% off
      55% off
      €282 €126
    • BUF 6:46 PM
      2h 14m
      Nonstop
      ORD 8:00 PM
      Buffalo - Chicago | Sat, Nov 7 | American Airlines
      €126 €282
      55% off
      55% off
      €282 €126
    • BUF 7:57 AM
      2h 8m
      Nonstop
      ORD 9:05 AM
      Buffalo - Chicago | Thu, Nov 5 | American Airlines
      €126 €282
      55% off
      55% off
      €282 €126
    • BUF 6:46 PM
      2h 14m
      Nonstop
      ORD 8:00 PM
      Buffalo - Chicago | Fri, Nov 6 | American Airlines
      €179
      37% off
      €282 €179
    • BUF 11:26 AM
      2h 14m
      Nonstop
      ORD 12:40 PM
      Buffalo - Chicago | Wed, Nov 4 | American Airlines
      €233
      17% off
      €282 €233
    • BUF 7:55 AM
      2h 10m
      Nonstop
      ORD 9:05 AM
      Buffalo - Chicago | Sun, Nov 1 | American Airlines
      €253
      10% off
      €282 €253
    • BUF 6:15 AM
      4h 17m
      1 stop
      MDW 9:32 AM
      Buffalo - Chicago | Tue, Nov 3 | Delta Air Lines
      €131
      54% off
      €282 €131
    • BUF 6:15 AM
      4h 17m
      1 stop
      MDW 9:32 AM
      Buffalo - Chicago | Thu, Nov 5 | Delta Air Lines
      €131
      54% off
      €282 €131
    • BUF 6:15 AM
      4h 17m
      1 stop
      MDW 9:32 AM
      Buffalo - Chicago | Sat, Nov 7 | Delta Air Lines
      €131
      54% off
      €282 €131
    • BUF 1:00 PM
      17h 25m
      1 stop
      CHI 2:00 PM
      Buffalo - Chicago | Mon, Nov 2 | Normal Airline
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    • BUF 1:53 PM
      2h 2m
      Nonstop
      ORD 2:55 PM
      Buffalo - Chicago | Wed, Nov 18 | United Airlines
      €184 €656
      72% off
      72% off
      €656 €184
    • BUF 1:53 PM
      2h 2m
      Nonstop
      ORD 2:55 PM
      Buffalo - Chicago | Mon, Dec 7 | United Airlines
      €213 €656
      68% off
      68% off
      €656 €213
    • BUF 1:53 PM
      2h 2m
      Nonstop
      ORD 2:55 PM
      Buffalo - Chicago | Tue, Dec 15 | United Airlines
      €214 €656
      67% off
      67% off
      €656 €214
    • BUF 10:30 AM
      2h 2m
      Nonstop
      ORD 11:32 AM
      Buffalo - Chicago | Tue, Dec 8 | United Airlines
      €223
      66% off
      €656 €223
    • BUF 1:53 PM
      2h 2m
      Nonstop
      ORD 2:55 PM
      Buffalo - Chicago | Sat, Dec 12 | United Airlines
      €223
      66% off
      €656 €223
    • BUF 10:30 AM
      2h 2m
      Nonstop
      ORD 11:32 AM
      Buffalo - Chicago | Fri, Dec 11 | United Airlines
      €437
      33% off
      €656 €437
    • BUF 1:53 PM
      2h 2m
      Nonstop
      ORD 2:55 PM
      Buffalo - Chicago | Tue, Nov 3 | United Airlines
      €590
      10% off
      €656 €590
    • BUF 8:00 AM
      2h 5m
      Nonstop
      ORD 9:05 AM
      Buffalo - Chicago | Thu, Dec 10 | American Airlines
      €126
      51% off
      €259 €126
    • BUF 8:00 AM
      2h 5m
      Nonstop
      ORD 9:05 AM
      Buffalo - Chicago | Thu, Dec 3 | American Airlines
      €126
      51% off
      €259 €126
    • BUF 1:00 PM
      17h 25m
      1 stop
      CHI 2:00 PM
      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?

The most popular airlines flying from Buffalo Niagara International Airport to Chicago are American Airlines, United Airlines, and Frontier Airlines, among 3 carriers on this route. Frontier Airlines offers the lowest fares. Based on Trip.com's flight booking data from the previous 12 months.
American Airlines logo American Airlines
United Airlines logo United Airlines
Frontier Airlines logo Frontier 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

    1:48 PM

    BUF

    2h 21m

    Nonstop

    4:09 PM

    ATL

    S - T - T - -
    Search

  2. F91595

    Hartsfield–Jackson Atlanta International Airport

    5:15 PM

    ATL

    2h 30m

    Nonstop

    6:45 PM

    ORD

    S M T W T F S

  3. F91407

    Buffalo Niagara International Airport

    1:48 PM

    BUF

    2h 21m

    Nonstop

    4:09 PM

    ATL

    S - T - T - -
    Search

  4. F92291

    Hartsfield–Jackson Atlanta International Airport

    10:48 PM

    ATL

    1h 59m

    Nonstop

    11:47 PM

    MDW

    S M T W T - S

  5. F91691

    Buffalo Niagara International Airport

    12:54 PM

    BUF

    2h 50m

    Nonstop

    3:44 PM

    MCO

    - - - W - - S
    Search

  6. F93043

    Orlando Intl. Airport

    6:30 AM

    MCO

    3h 16m

    Nonstop

    8:46 AM

    ORD

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

Cheapest round-trip ticket price €211
Cheapest one-way flight price €96
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 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 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 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 €96, with round-trip fares from €187. The lowest fare is offered by Frontier Airlines departing on Wed, Dec 23; 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.

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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 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.

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.