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Buffalo Niagara International Airport to O'Hare International Airport flight

Explore the cheapest one-way and round-trip flights from Buffalo Niagara International Airport to O'Hare International Airport over the next 90 days, with one-way fares from KRW 143,200 and round-trip from KRW 288,600. Based on Trip.com's latest 7-day flight data.

    • Cheapest
      BUF 21:38
      28h 18m
      1 stop
      ORD 00:56
      Buffalo - Chicago | Thu, Dec 24 | Frontier Airlines
      KRW 143,200 KRW 220,800
      35% off
      35% off
      KRW 220,800 KRW 143,200
    • BUF 21:20
      28h 22m
      1 stop
      ORD 00:42
      Buffalo - Chicago | Sun, Nov 29 | Frontier Airlines
      KRW 143,600 KRW 220,800
      35% off
      35% off
      KRW 220,800 KRW 143,600
    • BUF 21:20
      28h 22m
      1 stop
      ORD 00:42
      Buffalo - Chicago | Mon, Nov 30 | Frontier Airlines
      KRW 143,800 KRW 220,800
      35% off
      35% off
      KRW 220,800 KRW 143,800
    • BUF 13:48
      5h 57m
      1 stop
      ORD 18:45
      Buffalo - Chicago | Sat, Nov 14 | Frontier Airlines
      KRW 149,700
      32% off
      KRW 220,800 KRW 149,700
    • BUF 14:34
      6h 59m
      1 stop
      ORD 20:33
      Buffalo - Chicago | Tue, Nov 24 | Frontier Airlines
      KRW 150,500
      32% off
      KRW 220,800 KRW 150,500
    • BUF 13:15
      6h 22m
      1 stop
      ORD 18:37
      Buffalo - Chicago | Mon, Dec 14 | Frontier Airlines
      KRW 152,100
      31% off
      KRW 220,800 KRW 152,100
    • BUF 13:03
      12h 40m
      1 stop
      ORD 00:43
      Buffalo - Chicago | Thu, Nov 26 | Frontier Airlines
      KRW 154,500
      30% off
      KRW 220,800 KRW 154,500
    • BUF 13:48
      5h 57m
      1 stop
      ORD 18:45
      Buffalo - Chicago | Sat, Nov 7 | Frontier Airlines
      KRW 158,900
      28% off
      KRW 220,800 KRW 158,900
    • BUF 13:48
      5h 57m
      1 stop
      ORD 18:45
      Buffalo - Chicago | Wed, Nov 18 | Frontier Airlines
      KRW 160,700
      27% off
      KRW 220,800 KRW 160,700
    • BUF 13:00
      17h 25m
      1 stop
      CHI 14:00
      Buffalo - Chicago | Wed, Nov 4 | Normal Airline
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    • Cheapest nonstop
      BUF 11:26
      2h 3m
      Direct
      ORD 12:29
      Buffalo - Chicago | Tue, Nov 3 | American Airlines
      ORD 19:00
      1h 37m
      Direct
      BUF 21:37
      Chicago - Buffalo | Sun, Nov 8 | American Airlines
      KRW 320,800 KRW 434,500
      26% off
      26% off
      KRW 434,500 KRW 320,800
    • BUF 11:26
      2h 14m
      Direct
      ORD 12:40
      Buffalo - Chicago | Sun, Nov 8 | American Airlines
      ORD 19:00
      1h 37m
      Direct
      BUF 21:37
      Chicago - Buffalo | Sun, Nov 8 | American Airlines
      KRW 320,800 KRW 434,500
      26% off
      26% off
      KRW 434,500 KRW 320,800
    • BUF 18:45
      2h 14m
      Direct
      ORD 19:59
      Buffalo - Chicago | Tue, Nov 17 | American Airlines
      MDW 07:50
      1h 35m
      Direct
      BUF 10:25
      Chicago - Buffalo | Fri, Nov 20 |
      KRW 343,200 KRW 434,500
      21% off
      21% off
      KRW 434,500 KRW 343,200
    • BUF 13:48
      5h 57m
      1 stop
      ORD 18:45
      Buffalo - Chicago | Sat, Nov 21 | Frontier Airlines
      MDW 06:08
      6h 7m
      1 stop
      BUF 13:15
      Chicago - Buffalo | Mon, Nov 23 | Frontier Airlines
      KRW 288,600
      34% off
      KRW 434,500 KRW 288,600
    • BUF 13:03
      12h 40m
      1 stop
      ORD 00:43
      Buffalo - Chicago | Thu, Nov 26 | Frontier Airlines
      MDW 20:42
      22h 42m
      1 stop
      BUF 20:24
      Chicago - Buffalo | Sat, Nov 28 | Frontier Airlines
      KRW 300,300
      31% off
      KRW 434,500 KRW 300,300
    • BUF 12:54
      20h 52m
      1 stop
      ORD 08:46
      Buffalo - Chicago | Tue, Nov 3 | Frontier Airlines
      MDW 06:16
      5h 47m
      1 stop
      BUF 13:03
      Chicago - Buffalo | Sat, Nov 7 | Frontier Airlines
      KRW 310,000
      28% off
      KRW 434,500 KRW 310,000
    • BUF 13:15
      9h 45m
      1 stop
      ORD 22:00
      Buffalo - Chicago | Mon, Dec 21 | Frontier Airlines
      MDW 19:05
      1h 30m
      Direct
      BUF 21:35
      Chicago - Buffalo | Fri, Dec 25 |
      KRW 322,400
      26% off
      KRW 434,500 KRW 322,400
    • BUF 20:02
      13h 44m
      1 stop
      ORD 08:46
      Buffalo - Chicago | Tue, Nov 17 | Frontier Airlines
      MDW 07:50
      1h 35m
      Direct
      BUF 10:25
      Chicago - Buffalo | Fri, Nov 20 |
      KRW 324,700
      25% off
      KRW 434,500 KRW 324,700
    • BUF 14:10
      6h 10m
      1 stop
      ORD 19:20
      Buffalo - Chicago | Tue, Nov 3 | Delta Air Lines
      ORD 11:30
      4h 58m
      1 stop
      BUF 17:28
      Chicago - Buffalo | Sun, Nov 8 | Delta Air Lines
      KRW 329,500
      24% off
      KRW 434,500 KRW 329,500
    • BUF 13:00
      17h 25m
      1 stop
      CHI 14:00
      Buffalo - Chicago | Wed, Nov 4 | Normal Airline
      CHI 15:00
      6h
      Direct
      BUF 16:00
      Chicago - Buffalo | Fri, Nov 6 | Normal Airline
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    • Cheapest nonstop
      BUF 18:46
      2h 14m
      Direct
      ORD 20:00
      Buffalo - Chicago | Fri, Dec 4 | American Airlines
      KRW 173,200 KRW 220,800
      22% off
      22% off
      KRW 220,800 KRW 173,200
    • BUF 11:26
      2h 32m
      Direct
      ORD 12:58
      Buffalo - Chicago | Sat, Dec 5 | American Airlines
      KRW 174,400 KRW 220,800
      21% off
      21% off
      KRW 220,800 KRW 174,400
    • BUF 06:25
      2h 35m
      Direct
      ORD 08:00
      Buffalo - Chicago | Sat, Dec 19 | American Airlines
      KRW 178,300 KRW 270,800
      34% off
      34% off
      KRW 270,800 KRW 178,300
    • BUF 07:57
      2h 8m
      Direct
      ORD 09:05
      Buffalo - Chicago | Tue, Nov 3 | American Airlines
      KRW 187,100
      31% off
      KRW 270,800 KRW 187,100
    • BUF 11:26
      2h 14m
      Direct
      ORD 12:40
      Buffalo - Chicago | Mon, Nov 9 | American Airlines
      KRW 187,300
      31% off
      KRW 270,800 KRW 187,300
    • BUF 18:45
      2h 14m
      Direct
      ORD 19:59
      Buffalo - Chicago | Wed, Dec 16 | American Airlines
      KRW 187,500
      31% off
      KRW 270,800 KRW 187,500
    • BUF 08:00
      2h 5m
      Direct
      ORD 09:05
      Buffalo - Chicago | Thu, Dec 10 | American Airlines
      KRW 187,500
      31% off
      KRW 270,800 KRW 187,500
    • BUF 18:46
      2h 14m
      Direct
      ORD 20:00
      Buffalo - Chicago | Mon, Dec 7 | American Airlines
      KRW 187,500
      31% off
      KRW 270,800 KRW 187,500
    • BUF 08:00
      2h 5m
      Direct
      ORD 09:05
      Buffalo - Chicago | Thu, Dec 3 | American Airlines
      KRW 187,500
      31% off
      KRW 270,800 KRW 187,500
    • BUF 13:00
      17h 25m
      1 stop
      CHI 14:00
      Buffalo - Chicago | Wed, Nov 4 | Normal Airline
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    • Cheapest nonstop
      BUF 06:25
      2h 35m
      Direct
      ORD 08:00
      Buffalo - Chicago | Sat, Dec 19 | American Airlines
      KRW 178,300 KRW 433,000
      59% off
      59% off
      KRW 433,000 KRW 178,300
    • BUF 07:57
      2h 8m
      Direct
      ORD 09:05
      Buffalo - Chicago | Tue, Nov 3 | American Airlines
      KRW 187,100 KRW 433,000
      56% off
      56% off
      KRW 433,000 KRW 187,100
    • BUF 11:26
      2h 14m
      Direct
      ORD 12:40
      Buffalo - Chicago | Mon, Nov 9 | American Airlines
      KRW 187,300 KRW 433,000
      56% off
      56% off
      KRW 433,000 KRW 187,300
    • BUF 18:45
      2h 14m
      Direct
      ORD 19:59
      Buffalo - Chicago | Wed, Dec 16 | American Airlines
      KRW 187,500
      56% off
      KRW 433,000 KRW 187,500
    • BUF 08:00
      2h 5m
      Direct
      ORD 09:05
      Buffalo - Chicago | Thu, Dec 10 | American Airlines
      KRW 187,500
      56% off
      KRW 433,000 KRW 187,500
    • BUF 08:00
      2h 5m
      Direct
      ORD 09:05
      Buffalo - Chicago | Tue, Dec 15 | American Airlines
      KRW 187,500
      56% off
      KRW 433,000 KRW 187,500
    • BUF 08:00
      2h 5m
      Direct
      ORD 09:05
      Buffalo - Chicago | Thu, Dec 3 | American Airlines
      KRW 187,500
      56% off
      KRW 433,000 KRW 187,500
    • BUF 06:25
      2h 35m
      Direct
      ORD 08:00
      Buffalo - Chicago | Tue, Dec 22 | American Airlines
      KRW 213,700
      51% off
      KRW 433,000 KRW 213,700
    • BUF 11:26
      2h 14m
      Direct
      ORD 12:40
      Buffalo - Chicago | Wed, Nov 4 | American Airlines
      KRW 213,700
      51% off
      KRW 433,000 KRW 213,700
    • BUF 13:00
      17h 25m
      1 stop
      CHI 14:00
      Buffalo - Chicago | Wed, Nov 4 | Normal Airline
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    • Cheapest nonstop
      BUF 07:57
      2h 8m
      Direct
      ORD 09:05
      Buffalo - Chicago | Tue, Nov 3 | American Airlines
      KRW 187,100 KRW 439,800
      56% off
      56% off
      KRW 439,800 KRW 187,100
    • BUF 11:26
      2h 14m
      Direct
      ORD 12:40
      Buffalo - Chicago | Mon, Nov 9 | American Airlines
      KRW 187,300 KRW 439,800
      56% off
      56% off
      KRW 439,800 KRW 187,300
    • BUF 11:26
      2h 14m
      Direct
      ORD 12:40
      Buffalo - Chicago | Wed, Nov 4 | American Airlines
      KRW 213,700 KRW 439,800
      51% off
      51% off
      KRW 439,800 KRW 213,700
    • BUF 07:57
      2h 8m
      Direct
      ORD 09:05
      Buffalo - Chicago | Thu, Nov 5 | American Airlines
      KRW 213,700
      51% off
      KRW 439,800 KRW 213,700
    • BUF 18:46
      2h 14m
      Direct
      ORD 20:00
      Buffalo - Chicago | Sat, Nov 7 | American Airlines
      KRW 213,700
      51% off
      KRW 439,800 KRW 213,700
    • BUF 18:46
      2h 14m
      Direct
      ORD 20:00
      Buffalo - Chicago | Fri, Nov 6 | American Airlines
      KRW 332,900
      24% off
      KRW 439,800 KRW 332,900
    • BUF 18:45
      2h 14m
      Direct
      ORD 19:59
      Buffalo - Chicago | Sun, Nov 8 | American Airlines
      KRW 333,100
      24% off
      KRW 439,800 KRW 333,100
    • BUF 05:13
      5h 3m
      1 stop
      ORD 09:16
      Buffalo - Chicago | Thu, Nov 5 | American Airlines
      KRW 227,000
      48% off
      KRW 439,800 KRW 227,000
    • BUF 13:48
      5h 57m
      1 stop
      ORD 18:45
      Buffalo - Chicago | Fri, Nov 6 | Frontier Airlines
      KRW 247,100
      44% off
      KRW 439,800 KRW 247,100
    • BUF 13:00
      17h 25m
      1 stop
      CHI 14:00
      Buffalo - Chicago | Wed, Nov 4 | Normal Airline
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    • BUF 13:53
      2h 2m
      Direct
      ORD 14:55
      Buffalo - Chicago | Wed, Nov 18 | United Airlines
      KRW 273,900 KRW 1,116,300
      75% off
      75% off
      KRW 1,116,300 KRW 273,900
    • BUF 13:53
      2h 2m
      Direct
      ORD 14:55
      Buffalo - Chicago | Wed, Nov 4 | United Airlines
      KRW 274,300 KRW 1,116,300
      75% off
      75% off
      KRW 1,116,300 KRW 274,300
    • BUF 13:53
      2h 2m
      Direct
      ORD 14:55
      Buffalo - Chicago | Mon, Dec 7 | United Airlines
      KRW 317,600 KRW 1,116,300
      72% off
      72% off
      KRW 1,116,300 KRW 317,600
    • BUF 13:53
      2h 2m
      Direct
      ORD 14:55
      Buffalo - Chicago | Tue, Dec 15 | United Airlines
      KRW 318,800
      71% off
      KRW 1,116,300 KRW 318,800
    • BUF 13:53
      2h 2m
      Direct
      ORD 14:55
      Buffalo - Chicago | Wed, Nov 11 | United Airlines
      KRW 328,300
      71% off
      KRW 1,116,300 KRW 328,300
    • BUF 10:30
      2h 2m
      Direct
      ORD 11:32
      Buffalo - Chicago | Tue, Dec 8 | United Airlines
      KRW 332,700
      70% off
      KRW 1,116,300 KRW 332,700
    • BUF 13:53
      2h 2m
      Direct
      ORD 14:55
      Buffalo - Chicago | Sat, Dec 12 | United Airlines
      KRW 332,700
      70% off
      KRW 1,116,300 KRW 332,700
    • BUF 13:53
      2h 2m
      Direct
      ORD 14:55
      Buffalo - Chicago | Tue, Nov 24 | United Airlines
      KRW 343,600
      69% off
      KRW 1,116,300 KRW 343,600
    • BUF 13:53
      2h 2m
      Direct
      ORD 14:55
      Buffalo - Chicago | Sun, Dec 13 | United Airlines
      KRW 359,900
      68% off
      KRW 1,116,300 KRW 359,900
    • BUF 13:00
      17h 25m
      1 stop
      CHI 14:00
      Buffalo - Chicago | Wed, Nov 4 | 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 airline offers the cheapest flights from Buffalo Niagara International Airport to O'Hare International Airport?

The cheapest airline flying from Buffalo Niagara International Airport to O'Hare International Airport is Frontier Airlines (from KRW 143,200) among 4 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From KRW 143,200
Delta Air Lines
From KRW 172,600
American Airlines
From KRW 173,200
United Airlines
From KRW 216,900

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What is the flight schedule from Buffalo Niagara International Airport to O'Hare International Airport?

Check the schedule for flights from Buffalo to Chicago and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. AA2359

    Buffalo Niagara International Airport

    07:55

    BUF

    2h 10m

    09:05

    ORD

    S M T W T F S
    Search

  2. AA2202

    Buffalo Niagara International Airport

    18:45

    BUF

    2h 14m

    19:59

    ORD

    S M T W T F S
    Search

  3. AA4780

    Buffalo Niagara International Airport

    11:24

    BUF

    2h 5m

    12:29

    ORD

    S M T W T F S
    Search

  4. F91407

    Buffalo Niagara International Airport

    16:54

    BUF

    2h 35m

    Direct

    19:29

    ATL

    S - T - T - -
    Search

  5. F91595

    Hartsfield–Jackson Atlanta International Airport

    17:15

    ATL

    2h 30m

    Direct

    18:45

    ORD

    S M T W T F S

  6. DL5296

    Buffalo Niagara International Airport

    15:53

    BUF

    1h 37m

    Direct

    17:30

    JFK

    S M T W T F S
    Search

  7. DL5611

    John F. Kennedy International Airport

    19:36

    JFK

    3h

    Direct

    21:36

    ORD

    S - - - - - -

  8. F91691

    Buffalo Niagara International Airport

    21:20

    BUF

    2h 49m

    Direct

    00:09

    MCO

    - - - W - - S
    Search

  9. F91349

    Orlando International Airport

    22:57

    MCO

    3h 11m

    Direct

    01:08

    ORD

    - - - - - F -

  10. F91691

    Buffalo Niagara International Airport

    21:20

    BUF

    2h 49m

    Direct

    00:09

    MCO

    - - - W - - S
    Search

  11. F93043

    Orlando International Airport

    06:30

    MCO

    3h 16m

    Direct

    08:46

    ORD

    S - - W T - S
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About Buffalo Niagara International Airport and O'Hare International Airport

Learn about Buffalo Niagara International Airport (BUF) and O'Hare International Airport (ORD) — including location, terminals, transportation, and travel tips.

Flight distance 760.5 km
Cheapest one-way ticket price KRW 143,200
Cheapest return ticket price KRW 288,600

FAQs for Buffalo Niagara International Airport to O'Hare International Airport Flights

  • How long is the flight from Buffalo Niagara International Airport to O'Hare International Airport?

    Buffalo Niagara International Airport to O'Hare International Airport takes about 1 hour 26 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 7 daily flights from Buffalo Niagara International Airport (BUF) to O'Hare International Airport (ORD).
  • The earliest flight from Buffalo Niagara International Airport to O'Hare International Airport departs at 06:30, and the last departs at 17:58, with about 10 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from Buffalo Niagara International Airport (BUF) to O'Hare International Airport (ORD) is quite popular. Without considering departure times or holidays, tickets cost around KRW 390,500 in November, the most expensive month to book this route.
    • 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.
  • The closest airport to O'Hare International Airport (ORD) is Midway International Airport. The distance is around 25 km.
  • American Airlines is a very popular airline operating an average of 1708 flights per month.
  • One-way flights from Buffalo Niagara International Airport to O'Hare International Airport currently start from KRW 143,200, and round-trip fares start from KRW 288,600. The current lowest fare is a Frontier Airlines flight departing on Thu, Dec 24; prices may vary depending on availability.
  • Yes. United Airlines and American Airlines operate direct flights from Buffalo Niagara International Airport to O'Hare International Airport, with an average flight time of 1 hour 18 minutes, and around 49 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Buffalo Niagara International Airport to O'Hare International Airport is KRW 307,600. Prices may vary depending on the departure date, airline, and availability.
  • Buffalo Niagara International Airport to O'Hare International Airport operates around 49 weekly flights, mainly by United Airlines and American Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Buffalo Niagara International Airport and O'Hare International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.