Trip.com
>
Cheap Flights
>
United States
>
Chicago
>
Buffalo to Chicago flight
>
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 £80 and round-trip from £156. Based on Trip.com's latest 7-day flight data.

    • 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
      £179 £202
      11% off
      11% off
      £202 £179
    • 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
      £156 £202
      23% off
      23% off
      £202 £156
    • 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
      £161 £202
      20% off
      20% off
      £202 £161
    • 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
      £163
      19% off
      £202 £163
    • BUF 21:20
      23h 27m
      1 stop
      MDW 19:47
      Buffalo - Chicago | Fri, Nov 20 | Frontier Airlines
      MDW 20:42
      14h 46m
      1 stop
      BUF 12:28
      Chicago - Buffalo | Wed, Nov 25 | Frontier Airlines
      £170
      16% off
      £202 £170
    • 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
      £171
      15% off
      £202 £171
    • 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
      £178
      12% off
      £202 £178
    • 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 |
      £181
      10% off
      £202 £181
    • 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
      £181
      10% off
      £202 £181
    • 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
      Find more flights
      Find more flights
    • Cheapest
      BUF 21:38
      22h 52m
      1 stop
      MDW 19:30
      Buffalo - Chicago | Sat, Dec 19 | Frontier Airlines
      £80 £108
      26% off
      26% off
      £108 £80
    • Cheapest
      BUF 21:20
      23h 27m
      1 stop
      MDW 19:47
      Buffalo - Chicago | Tue, Nov 24 | Frontier Airlines
      £80 £108
      26% off
      26% off
      £108 £80
    • BUF 21:20
      28h 22m
      1 stop
      ORD 00:42
      Buffalo - Chicago | Wed, Nov 25 | Frontier Airlines
      £81 £108
      25% off
      25% off
      £108 £81
    • BUF 13:03
      7h 44m
      1 stop
      MDW 19:47
      Buffalo - Chicago | Sat, Nov 21 | Frontier Airlines
      £82
      24% off
      £108 £82
    • BUF 13:48
      5h 57m
      1 stop
      ORD 18:45
      Buffalo - Chicago | Mon, Nov 9 | Frontier Airlines
      £84
      22% off
      £108 £84
    • BUF 14:34
      6h 59m
      1 stop
      ORD 20:33
      Buffalo - Chicago | Thu, Nov 19 | Frontier Airlines
      £84
      22% off
      £108 £84
    • BUF 13:15
      6h 22m
      1 stop
      ORD 18:37
      Buffalo - Chicago | Wed, Dec 9 | Frontier Airlines
      £85
      21% off
      £108 £85
    • BUF 13:48
      5h 57m
      1 stop
      ORD 18:45
      Buffalo - Chicago | Mon, Nov 2 | Frontier Airlines
      £89
      18% off
      £108 £89
    • BUF 13:48
      5h 57m
      1 stop
      ORD 18:45
      Buffalo - Chicago | Fri, Nov 13 | Frontier Airlines
      £90
      17% off
      £108 £90
    • BUF 13:00
      17h 25m
      1 stop
      CHI 14:00
      Buffalo - Chicago | Mon, Nov 2 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      BUF 18:46
      2h 14m
      Direct
      ORD 20:00
      Buffalo - Chicago | Fri, Dec 4 | American Airlines
      £97 £108
      10% off
      10% off
      £108 £97
    • BUF 06:25
      2h 35m
      Direct
      ORD 08:00
      Buffalo - Chicago | Sat, Dec 19 | American Airlines
      £100 £134
      25% off
      25% off
      £134 £100
    • BUF 07:57
      2h 8m
      Direct
      ORD 09:05
      Buffalo - Chicago | Tue, Nov 3 | American Airlines
      £105 £134
      22% off
      22% off
      £134 £105
    • BUF 11:26
      2h 14m
      Direct
      ORD 12:40
      Buffalo - Chicago | Mon, Nov 9 | American Airlines
      £105
      22% off
      £134 £105
    • BUF 18:45
      2h 14m
      Direct
      ORD 19:59
      Buffalo - Chicago | Wed, Dec 16 | American Airlines
      £105
      22% off
      £134 £105
    • BUF 08:00
      2h 5m
      Direct
      ORD 09:05
      Buffalo - Chicago | Thu, Dec 10 | American Airlines
      £105
      22% off
      £134 £105
    • BUF 18:46
      2h 14m
      Direct
      ORD 20:00
      Buffalo - Chicago | Mon, Dec 7 | American Airlines
      £105
      22% off
      £134 £105
    • BUF 08:00
      2h 5m
      Direct
      ORD 09:05
      Buffalo - Chicago | Thu, Dec 3 | American Airlines
      £105
      22% off
      £134 £105
    • BUF 06:25
      2h 35m
      Direct
      ORD 08:00
      Buffalo - Chicago | Tue, Dec 22 | American Airlines
      £120
      10% off
      £134 £120
    • BUF 13:00
      17h 25m
      1 stop
      CHI 14:00
      Buffalo - Chicago | Mon, Nov 2 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      BUF 06:25
      2h 35m
      Direct
      ORD 08:00
      Buffalo - Chicago | Sat, Dec 19 | American Airlines
      £100 £139
      28% off
      28% off
      £139 £100
    • BUF 07:57
      2h 8m
      Direct
      ORD 09:05
      Buffalo - Chicago | Tue, Nov 3 | American Airlines
      £105 £139
      24% off
      24% off
      £139 £105
    • BUF 11:26
      2h 14m
      Direct
      ORD 12:40
      Buffalo - Chicago | Mon, Nov 9 | American Airlines
      £105 £139
      24% off
      24% off
      £139 £105
    • BUF 18:45
      2h 14m
      Direct
      ORD 19:59
      Buffalo - Chicago | Wed, Dec 16 | American Airlines
      £105
      24% off
      £139 £105
    • BUF 08:00
      2h 5m
      Direct
      ORD 09:05
      Buffalo - Chicago | Thu, Dec 10 | American Airlines
      £105
      24% off
      £139 £105
    • BUF 08:00
      2h 5m
      Direct
      ORD 09:05
      Buffalo - Chicago | Tue, Dec 15 | American Airlines
      £105
      24% off
      £139 £105
    • BUF 08:00
      2h 5m
      Direct
      ORD 09:05
      Buffalo - Chicago | Thu, Dec 3 | American Airlines
      £105
      24% off
      £139 £105
    • BUF 06:25
      2h 35m
      Direct
      ORD 08:00
      Buffalo - Chicago | Tue, Dec 22 | American Airlines
      £120
      14% off
      £139 £120
    • BUF 11:26
      2h 14m
      Direct
      ORD 12:40
      Buffalo - Chicago | Wed, Nov 4 | American Airlines
      £120
      14% off
      £139 £120
    • BUF 13:00
      17h 25m
      1 stop
      CHI 14:00
      Buffalo - Chicago | Mon, Nov 2 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      BUF 07:57
      2h 8m
      Direct
      ORD 09:05
      Buffalo - Chicago | Tue, Nov 3 | American Airlines
      £105 £216
      51% off
      51% off
      £216 £105
    • BUF 11:26
      2h 14m
      Direct
      ORD 12:40
      Buffalo - Chicago | Wed, Nov 4 | American Airlines
      £120 £216
      44% off
      44% off
      £216 £120
    • BUF 18:46
      2h 14m
      Direct
      ORD 20:00
      Buffalo - Chicago | Sat, Nov 7 | American Airlines
      £120 £216
      44% off
      44% off
      £216 £120
    • BUF 07:57
      2h 8m
      Direct
      ORD 09:05
      Buffalo - Chicago | Thu, Nov 5 | American Airlines
      £120
      44% off
      £216 £120
    • BUF 07:55
      2h 10m
      Direct
      ORD 09:05
      Buffalo - Chicago | Sun, Nov 1 | American Airlines
      £165
      24% off
      £216 £165
    • BUF 18:46
      2h 14m
      Direct
      ORD 20:00
      Buffalo - Chicago | Fri, Nov 6 | American Airlines
      £186
      14% off
      £216 £186
    • BUF 06:15
      4h 17m
      1 stop
      MDW 09:32
      Buffalo - Chicago | Tue, Nov 3 | Delta Air Lines
      £110
      49% off
      £216 £110
    • BUF 06:15
      4h 17m
      1 stop
      MDW 09:32
      Buffalo - Chicago | Thu, Nov 5 | Delta Air Lines
      £125
      42% off
      £216 £125
    • BUF 06:15
      4h 17m
      1 stop
      MDW 09:32
      Buffalo - Chicago | Sat, Nov 7 | Delta Air Lines
      £125
      42% off
      £216 £125
    • BUF 13:00
      17h 25m
      1 stop
      CHI 14:00
      Buffalo - Chicago | Mon, Nov 2 | Normal Airline
      Find more flights
      Find more flights
    • BUF 13:53
      2h 2m
      Direct
      ORD 14:55
      Buffalo - Chicago | Wed, Nov 18 | United Airlines
      £153 £547
      72% off
      72% off
      £547 £153
    • BUF 13:53
      2h 2m
      Direct
      ORD 14:55
      Buffalo - Chicago | Mon, Dec 7 | United Airlines
      £177 £547
      68% off
      68% off
      £547 £177
    • BUF 13:53
      2h 2m
      Direct
      ORD 14:55
      Buffalo - Chicago | Tue, Dec 15 | United Airlines
      £178 £547
      67% off
      67% off
      £547 £178
    • BUF 10:30
      2h 2m
      Direct
      ORD 11:32
      Buffalo - Chicago | Tue, Dec 8 | United Airlines
      £186
      66% off
      £547 £186
    • BUF 13:53
      2h 2m
      Direct
      ORD 14:55
      Buffalo - Chicago | Sat, Dec 12 | United Airlines
      £186
      66% off
      £547 £186
    • BUF 10:30
      2h 2m
      Direct
      ORD 11:32
      Buffalo - Chicago | Fri, Dec 11 | United Airlines
      £365
      33% off
      £547 £365
    • BUF 13:53
      2h 2m
      Direct
      ORD 14:55
      Buffalo - Chicago | Tue, Nov 3 | United Airlines
      £492
      10% off
      £547 £492
    • BUF 08:00
      2h 5m
      Direct
      ORD 09:05
      Buffalo - Chicago | Thu, Dec 10 | American Airlines
      £105
      22% off
      £134 £105
    • BUF 08:00
      2h 5m
      Direct
      ORD 09:05
      Buffalo - Chicago | Thu, Dec 3 | American Airlines
      £105
      22% off
      £134 £105
    • BUF 13:00
      17h 25m
      1 stop
      CHI 14:00
      Buffalo - Chicago | Mon, Nov 2 | Normal Airline
      Find more flights
      Find more flights

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.
American Airlines logo American 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

    12:54

    BUF

    2h 50m

    Direct

    15:44

    MCO

    - - - W - - S
    Search

  6. F93043

    Orlando International Airport

    06:30

    MCO

    3h 16m

    Direct

    08:46

    ORD

    S - - W T - S
Find more flights and airlines

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

Cheapest return ticket price £176
Cheapest one-way flight price £80
Off-season travel month 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 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 £80, with round-trip fares from £156. The lowest fare is offered by Frontier Airlines departing on Sat, Dec 19; 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 £160, and the average round-trip fare is £297. 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 the estimated lowest prices 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 (including taxes, fuel surcharges, 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 have been updated within the last 24 hours—sometimes even in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the cancellation and change policies for each flight ticket during the booking process, including any fees and applicable conditions. Please check 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 according to the airline's ticket policy.
Cancellation/change due to a flight schedule change:
If the flight schedule has changed 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 visit the customer support pages.