Trip.com
>
Flights
>
United States
>
New York State
>
Flights to Buffalo
>
Chicago to Buffalo flight
>
O'Hare International Airport to Buffalo Niagara International Airport flight

Explore the cheapest one-way and round-trip flights from O'Hare International Airport to Buffalo Niagara International Airport over the next 90 days, with one-way fares from S$ 149 and round-trip from S$ 332. Based on Trip.com's latest 7-day flight data.

    • Cheapest
      ORD 17:24
      5h 35m
      1 stop
      BUF 23:59
      Chicago - Buffalo | Thu, Oct 22 | Delta Air Lines
      S$ 149 S$ 205
      27% off
      27% off
      S$ 205 S$ 149
    • ORD 21:16
      1h 43m
      Direct
      BUF 23:59
      Chicago - Buffalo | Wed, Nov 4 | American Airlines
      S$ 150 S$ 205
      27% off
      27% off
      S$ 205 S$ 150
    • ORD 14:30
      7h 30m
      1 stop
      BUF 23:00
      Chicago - Buffalo | Wed, Nov 4 | Delta Air Lines
      S$ 151 S$ 205
      26% off
      26% off
      S$ 205 S$ 151
    • ORD 07:00
      3h 35m
      1 stop
      BUF 11:35
      Chicago - Buffalo | Tue, Oct 27 | Delta Air Lines
      S$ 151
      68% off
      S$ 465 S$ 151
    • ORD 21:15
      1h 44m
      Direct
      BUF 23:59
      Chicago - Buffalo | Thu, Oct 22 | American Airlines
      S$ 152
      26% off
      S$ 205 S$ 152
    • ORD 19:00
      1h 37m
      Direct
      BUF 21:37
      Chicago - Buffalo | Tue, Nov 17 | American Airlines
      S$ 153
      25% off
      S$ 205 S$ 153
    • ORD 10:30
      7h 26m
      1 stop
      BUF 18:56
      Chicago - Buffalo | Tue, Nov 3 | Delta Air Lines
      S$ 157
      23% off
      S$ 205 S$ 157
    • ORD 08:07
      1h 42m
      Direct
      BUF 10:49
      Chicago - Buffalo | Tue, Nov 3 | American Airlines
      S$ 159
      22% off
      S$ 205 S$ 159
    • ORD 14:20
      1h 48m
      Direct
      BUF 17:08
      Chicago - Buffalo | Mon, Oct 26 | American Airlines
      S$ 159
      66% off
      S$ 465 S$ 159
    • CHI 13:00
      17h 25m
      1 stop
      BUF 14:00
      Chicago - Buffalo | Wed, Oct 21 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      ORD 19:05
      1h 50m
      BUF 21:55
      Chicago - Buffalo | Tue, Dec 8 | American Airlines
      BUF 19:10
      1h 50m
      MDW 20:00
      Buffalo - Chicago | Fri, Dec 11 |
      S$ 334 S$ 522
      36% off
      36% off
      S$ 522 S$ 334
    • ORD 17:54
      1h 52m
      BUF 20:46
      Chicago - Buffalo | Tue, Dec 8 | United Airlines
      BUF 16:00
      1h 45m
      MDW 16:45
      Buffalo - Chicago | Fri, Dec 11 |
      S$ 376 S$ 522
      28% off
      28% off
      S$ 522 S$ 376
    • ORD 13:45
      1h 40m
      BUF 16:25
      Chicago - Buffalo | Thu, Nov 26 | American Airlines
      BUF 18:40
      2h 19m
      ORD 19:59
      Buffalo - Chicago | Mon, Nov 30 | American Airlines
      S$ 459 S$ 522
      12% off
      12% off
      S$ 522 S$ 459
    • ORD 08:39
      5h 40m
      BUF 15:19
      Chicago - Buffalo | Tue, Dec 8 | Delta Air Lines
      BUF 19:10
      1h 50m
      MDW 20:00
      Buffalo - Chicago | Fri, Dec 11 |
      S$ 332
      36% off
      S$ 522 S$ 332
    • ORD 17:58
      5h 7m
      BUF 00:05
      Chicago - Buffalo | Wed, Nov 25 | American Airlines
      BUF 18:40
      2h 19m
      ORD 19:59
      Buffalo - Chicago | Mon, Nov 30 | American Airlines
      S$ 359
      31% off
      S$ 522 S$ 359
    • ORD 17:29
      4h 16m
      BUF 22:45
      Chicago - Buffalo | Tue, Nov 24 | American Airlines
      BUF 11:17
      2h 12m
      ORD 12:29
      Buffalo - Chicago | Mon, Nov 30 | American Airlines
      S$ 359
      31% off
      S$ 522 S$ 359
    • ORD 17:05
      5h 53m
      BUF 23:58
      Chicago - Buffalo | Mon, Nov 16 | Delta Air Lines
      BUF 21:20
      28h 22m
      ORD 00:42
      Buffalo - Chicago | Sun, Nov 22 | Frontier Airlines
      S$ 403
      23% off
      S$ 522 S$ 403
    • ORD 17:12
      26h 12m
      BUF 20:24
      Chicago - Buffalo | Thu, Nov 26 | Frontier Airlines
      BUF 21:20
      19h 32m
      ORD 15:52
      Buffalo - Chicago | Sun, Nov 29 | Frontier Airlines
      S$ 434
      17% off
      S$ 522 S$ 434
    • ORD 17:12
      18h 16m
      BUF 12:28
      Chicago - Buffalo | Wed, Nov 25 | Frontier Airlines
      BUF 21:20
      23h 27m
      MDW 19:47
      Buffalo - Chicago | Sun, Nov 29 | Frontier Airlines
      S$ 439
      16% off
      S$ 522 S$ 439
    • CHI 13:00
      17h 25m
      1 stop
      BUF 14:00
      Chicago - Buffalo | Wed, Oct 21 | Normal Airline
      BUF 15:00
      6h
      Direct
      CHI 16:00
      Buffalo - Chicago | Fri, Oct 23 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      ORD 14:20
      1h 48m
      Direct
      BUF 17:08
      Chicago - Buffalo | Mon, Oct 26 | American Airlines
      S$ 159 S$ 393
      60% off
      60% off
      S$ 393 S$ 159
    • ORD 14:20
      1h 48m
      Direct
      BUF 17:08
      Chicago - Buffalo | Sat, Oct 24 | American Airlines
      S$ 340 S$ 393
      13% off
      13% off
      S$ 393 S$ 340
    • ORD 08:03
      1h 50m
      Direct
      BUF 10:53
      Chicago - Buffalo | Tue, Oct 20 | American Airlines
      S$ 345 S$ 393
      12% off
      12% off
      S$ 393 S$ 345
    • CHI 13:00
      17h 25m
      1 stop
      BUF 14:00
      Chicago - Buffalo | Wed, Oct 21 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      ORD 14:20
      1h 48m
      Direct
      BUF 17:08
      Chicago - Buffalo | Mon, Oct 26 | American Airlines
      S$ 159 S$ 465
      66% off
      66% off
      S$ 465 S$ 159
    • ORD 14:20
      1h 48m
      Direct
      BUF 17:08
      Chicago - Buffalo | Sat, Oct 24 | American Airlines
      S$ 340 S$ 465
      27% off
      27% off
      S$ 465 S$ 340
    • ORD 08:03
      1h 50m
      Direct
      BUF 10:53
      Chicago - Buffalo | Tue, Oct 20 | American Airlines
      S$ 345 S$ 465
      26% off
      26% off
      S$ 465 S$ 345
    • ORD 07:00
      3h 35m
      1 stop
      BUF 11:35
      Chicago - Buffalo | Tue, Oct 27 | Delta Air Lines
      S$ 151
      68% off
      S$ 465 S$ 151
    • ORD 07:00
      3h 35m
      1 stop
      BUF 11:35
      Chicago - Buffalo | Sat, Oct 24 | Delta Air Lines
      S$ 355
      24% off
      S$ 465 S$ 355
    • ORD 17:29
      4h 30m
      1 stop
      BUF 22:59
      Chicago - Buffalo | Sun, Dec 27 | American Airlines
      S$ 409
      12% off
      S$ 465 S$ 409
    • CHI 13:00
      17h 25m
      1 stop
      BUF 14:00
      Chicago - Buffalo | Wed, Oct 21 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      ORD 14:20
      1h 48m
      Direct
      BUF 17:08
      Chicago - Buffalo | Mon, Oct 26 | American Airlines
      S$ 159 S$ 404
      61% off
      61% off
      S$ 404 S$ 159
    • ORD 14:20
      1h 48m
      Direct
      BUF 17:08
      Chicago - Buffalo | Sat, Oct 24 | American Airlines
      S$ 340 S$ 404
      16% off
      16% off
      S$ 404 S$ 340
    • ORD 08:03
      1h 50m
      Direct
      BUF 10:53
      Chicago - Buffalo | Tue, Oct 20 | American Airlines
      S$ 345 S$ 404
      15% off
      15% off
      S$ 404 S$ 345
    • ORD 07:00
      3h 35m
      1 stop
      BUF 11:35
      Chicago - Buffalo | Sat, Oct 24 | Delta Air Lines
      S$ 355
      12% off
      S$ 404 S$ 355
    • CHI 13:00
      17h 25m
      1 stop
      BUF 14:00
      Chicago - Buffalo | Wed, Oct 21 | Normal Airline
      Find more flights
      Find more flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Which airline offers the cheapest flights from O'Hare International Airport to Buffalo Niagara International Airport?

The cheapest airline flying from O'Hare International Airport to Buffalo Niagara International Airport is American Airlines (from S$ 150) among 5 carriers operating this route. Based on Trip.com's latest 7-day flight data.

American Airlines
From S$ 150
Delta Air Lines
From S$ 151
Frontier Airlines
From S$ 165
United Airlines
From S$ 191
Jetblue Airways
From S$ 382

Find more flights and airlines

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

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. AA3664

    O'Hare International Airport

    08:03

    ORD

    1h 42m

    10:45

    BUF

    S - - - - F S
    Search

  2. AA564

    O'Hare International Airport

    21:16

    ORD

    1h 43m

    23:59

    BUF

    S M T W T F S
    Search

  3. UA1335

    O'Hare International Airport

    18:00

    ORD

    1h 47m

    20:47

    BUF

    S M T W T F S
    Search

  4. AA4780

    O'Hare International Airport

    08:15

    ORD

    1h 51m

    11:06

    BUF

    - M T W T - -
    Search

  5. AA673

    O'Hare International Airport

    18:45

    ORD

    2h 20m

    Direct

    22:05

    LGA

    S M T W T F S
    Search

  6. AA4521

    LaGuardia Airport

    19:59

    LGA

    1h 31m

    Direct

    21:30

    BUF

    S M T W T - S

  7. AA1743

    O'Hare International Airport

    17:29

    ORD

    2h 38m

    Direct

    21:07

    PHL

    S M T W T F S
    Search

  8. AA6117

    Philadelphia International Airport

    22:01

    PHL

    1h 31m

    Direct

    23:32

    BUF

    S M T W T F S

  9. F91596

    O'Hare International Airport

    10:26

    ORD

    2h 8m

    Direct

    13:34

    ATL

    S M T W T F S
    Search

  10. F91408

    Hartsfield–Jackson Atlanta International Airport

    10:49

    ATL

    2h 10m

    Direct

    12:59

    BUF

    S - T - T F -

  11. DL4929

    O'Hare International Airport

    10:30

    ORD

    2h 24m

    Direct

    13:54

    JFK

    S M T W T F S
    Search

  12. DL5250

    John F. Kennedy International Airport

    17:10

    JFK

    1h 46m

    Direct

    18:56

    BUF

    S M T W T F S

  13. DL1865

    O'Hare International Airport

    14:30

    ORD

    2h 21m

    Direct

    17:51

    LGA

    S M T W T F S
    Search

  14. DL5815

    LaGuardia Airport

    21:30

    LGA

    1h 30m

    Direct

    23:00

    BUF

    S M T W T - S

  15. DL5666

    O'Hare International Airport

    06:10

    ORD

    2h 17m

    Direct

    09:27

    JFK

    S M T W T F S
    Search

  16. DL5296

    John F. Kennedy International Airport

    13:29

    JFK

    1h 42m

    Direct

    15:11

    BUF

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

About O'Hare International Airport and Buffalo Niagara International Airport

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

Flight distance 760.5km
Cheapest one-way ticket price S$ 149
Cheapest return ticket price S$ 332

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

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

    O'Hare International Airport to Buffalo Niagara International Airport takes about 1 hour 10 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 6 daily flights from O'Hare International Airport (ORD) to Buffalo Niagara International Airport (BUF).
  • The earliest flight from O'Hare International Airport to Buffalo Niagara International Airport departs at 06:29, and the last departs at 21:16, 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 O'Hare International Airport (ORD) to Buffalo Niagara International Airport (BUF) is quite popular. Without considering departure times or holidays, tickets cost around S$ 291 in November, the most expensive month to book this route.
  • The earliest flight departs from O'Hare International Airport (ORD) at 08:00 and arrives in Buffalo Niagara International Airport (BUF) at 10:34.
  • The latest flight departs from O'Hare International Airport (ORD) at 20:35 and arrives in Buffalo Niagara International Airport (BUF) at 23:21.
  • American Airlines is a very popular airline operating an average of 1741 flights per month.
  • One-way flights from O'Hare International Airport to Buffalo Niagara International Airport currently start from S$ 149, and round-trip fares start from S$ 332. The current lowest fare is a Delta Air Lines flight departing on Thu, Oct 22; prices may vary depending on availability.
  • Yes. United Airlines and American Airlines operate direct flights from O'Hare International Airport to Buffalo Niagara International Airport, with an average flight time of 1 hour 7 minutes, and around 50 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 O'Hare International Airport to Buffalo Niagara International Airport is S$ 281. Prices may vary depending on the departure date, airline, and availability.
  • O'Hare International Airport to Buffalo Niagara 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 O'Hare International Airport and Buffalo Niagara 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.

Popular Destinations & Recommendations

Note: Prices shown on this page are the lowest estimated prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are shown before payment. Charges for checked baggage, meals, Wi-Fi, and other optional services may also appear in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours, and with many routes refreshed in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to 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 based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.