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Buffalo Niagara International Airport to O'Hare Intl. Airport flight

Explore the cheapest one-way and round-trip flights from Buffalo Niagara International Airport to O'Hare Intl. Airport over the next 90 days, with one-way fares from THB 3,610 and round-trip from THB 7,280. 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 | Sun, Nov 1 | American Airlines
      ORD 7:00 PM
      1h 37m
      Nonstop
      BUF 9:37 PM
      Chicago - Buffalo | Fri, Nov 6 | American Airlines
      THB 8,090 THB 11,090
      27% off
      27% off
      THB 11,090 THB 8,090
    • BUF 11:26 AM
      2h 14m
      Nonstop
      ORD 12:40 PM
      Buffalo - Chicago | Fri, Nov 6 | American Airlines
      ORD 7:00 PM
      1h 37m
      Nonstop
      BUF 9:37 PM
      Chicago - Buffalo | Fri, Nov 6 | American Airlines
      THB 8,090 THB 11,090
      27% off
      27% off
      THB 11,090 THB 8,090
    • BUF 6:45 PM
      2h 14m
      Nonstop
      ORD 7:59 PM
      Buffalo - Chicago | Sun, Nov 15 | American Airlines
      MDW 7:50 AM
      1h 35m
      Nonstop
      BUF 10:25 AM
      Chicago - Buffalo | Wed, Nov 18 |
      THB 8,650 THB 11,090
      22% off
      22% off
      THB 11,090 THB 8,650
    • BUF 1:48 PM
      5h 57m
      1 stop
      ORD 6:45 PM
      Buffalo - Chicago | Thu, Nov 19 | Frontier Airlines
      MDW 6:08 AM
      6h 7m
      1 stop
      BUF 1:15 PM
      Chicago - Buffalo | Sat, Nov 21 | Frontier Airlines
      THB 7,280
      34% off
      THB 11,090 THB 7,280
    • BUF 1:03 PM
      12h 40m
      1 stop
      ORD 12:43 AM
      Buffalo - Chicago | Tue, Nov 24 | Frontier Airlines
      MDW 8:42 PM
      22h 42m
      1 stop
      BUF 8:24 PM
      Chicago - Buffalo | Thu, Nov 26 | Frontier Airlines
      THB 7,570
      32% off
      THB 11,090 THB 7,570
    • BUF 12:54 PM
      20h 52m
      1 stop
      ORD 8:46 AM
      Buffalo - Chicago | Sun, Nov 1 | Frontier Airlines
      MDW 6:16 AM
      5h 47m
      1 stop
      BUF 1:03 PM
      Chicago - Buffalo | Thu, Nov 5 | Frontier Airlines
      THB 7,820
      28% off
      THB 11,090 THB 7,820
    • BUF 1:15 PM
      9h 45m
      1 stop
      ORD 10:00 PM
      Buffalo - Chicago | Sat, Dec 19 | Frontier Airlines
      MDW 7:05 PM
      1h 30m
      Nonstop
      BUF 9:35 PM
      Chicago - Buffalo | Wed, Dec 23 |
      THB 8,130
      27% off
      THB 11,090 THB 8,130
    • BUF 8:02 PM
      13h 44m
      1 stop
      ORD 8:46 AM
      Buffalo - Chicago | Sun, Nov 15 | Frontier Airlines
      MDW 7:50 AM
      1h 35m
      Nonstop
      BUF 10:25 AM
      Chicago - Buffalo | Wed, Nov 18 |
      THB 8,190
      26% off
      THB 11,090 THB 8,190
    • BUF 2:10 PM
      6h 10m
      1 stop
      ORD 7:20 PM
      Buffalo - Chicago | Sun, Nov 1 | Delta Air Lines
      ORD 11:30 AM
      4h 58m
      1 stop
      BUF 5:28 PM
      Chicago - Buffalo | Fri, Nov 6 | Delta Air Lines
      THB 8,310
      25% off
      THB 11,090 THB 8,310
    • 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
      28h 18m
      1 stop
      ORD 12:56 AM
      Buffalo - Chicago | Sat, Dec 19 | Frontier Airlines
      THB 3,610 THB 4,890
      26% off
      26% off
      THB 4,890 THB 3,610
    • BUF 9:20 PM
      28h 22m
      1 stop
      ORD 12:42 AM
      Buffalo - Chicago | Tue, Nov 24 | Frontier Airlines
      THB 3,620 THB 4,890
      26% off
      26% off
      THB 4,890 THB 3,620
    • BUF 9:20 PM
      28h 22m
      1 stop
      ORD 12:42 AM
      Buffalo - Chicago | Wed, Nov 25 | Frontier Airlines
      THB 3,630 THB 4,890
      26% off
      26% off
      THB 4,890 THB 3,630
    • BUF 1:48 PM
      5h 57m
      1 stop
      ORD 6:45 PM
      Buffalo - Chicago | Mon, Nov 9 | Frontier Airlines
      THB 3,780
      23% off
      THB 4,890 THB 3,780
    • BUF 2:34 PM
      6h 59m
      1 stop
      ORD 8:33 PM
      Buffalo - Chicago | Thu, Nov 19 | Frontier Airlines
      THB 3,800
      22% off
      THB 4,890 THB 3,800
    • BUF 1:15 PM
      6h 22m
      1 stop
      ORD 6:37 PM
      Buffalo - Chicago | Wed, Dec 9 | Frontier Airlines
      THB 3,840
      21% off
      THB 4,890 THB 3,840
    • BUF 1:03 PM
      12h 40m
      1 stop
      ORD 12:43 AM
      Buffalo - Chicago | Sat, Nov 21 | Frontier Airlines
      THB 3,900
      20% off
      THB 4,890 THB 3,900
    • BUF 1:48 PM
      5h 57m
      1 stop
      ORD 6:45 PM
      Buffalo - Chicago | Mon, Nov 2 | Frontier Airlines
      THB 4,010
      18% off
      THB 4,890 THB 4,010
    • BUF 1:48 PM
      5h 57m
      1 stop
      ORD 6:45 PM
      Buffalo - Chicago | Fri, Nov 13 | Frontier Airlines
      THB 4,050
      17% off
      THB 4,890 THB 4,050
    • 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 | Sat, Dec 5 | American Airlines
      THB 4,370 THB 4,890
      11% off
      11% off
      THB 4,890 THB 4,370
    • BUF 11:26 AM
      2h 32m
      Nonstop
      ORD 12:58 PM
      Buffalo - Chicago | Sun, Dec 6 | American Airlines
      THB 4,400 THB 4,890
      10% off
      10% off
      THB 4,890 THB 4,400
    • BUF 6:25 AM
      2h 35m
      Nonstop
      ORD 8:00 AM
      Buffalo - Chicago | Sat, Dec 19 | American Airlines
      THB 4,500 THB 5,990
      25% off
      25% off
      THB 5,990 THB 4,500
    • BUF 7:57 AM
      2h 8m
      Nonstop
      ORD 9:05 AM
      Buffalo - Chicago | Tue, Nov 3 | American Airlines
      THB 4,720
      21% off
      THB 5,990 THB 4,720
    • BUF 11:26 AM
      2h 14m
      Nonstop
      ORD 12:40 PM
      Buffalo - Chicago | Mon, Nov 9 | American Airlines
      THB 4,720
      21% off
      THB 5,990 THB 4,720
    • BUF 6:45 PM
      2h 14m
      Nonstop
      ORD 7:59 PM
      Buffalo - Chicago | Wed, Dec 16 | American Airlines
      THB 4,730
      21% off
      THB 5,990 THB 4,730
    • BUF 8:00 AM
      2h 5m
      Nonstop
      ORD 9:05 AM
      Buffalo - Chicago | Thu, Dec 10 | American Airlines
      THB 4,730
      21% off
      THB 5,990 THB 4,730
    • BUF 6:46 PM
      2h 14m
      Nonstop
      ORD 8:00 PM
      Buffalo - Chicago | Mon, Dec 7 | American Airlines
      THB 4,730
      21% off
      THB 5,990 THB 4,730
    • BUF 8:00 AM
      2h 5m
      Nonstop
      ORD 9:05 AM
      Buffalo - Chicago | Thu, Dec 3 | American Airlines
      THB 4,730
      21% off
      THB 5,990 THB 4,730
    • 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
      THB 4,500 THB 9,870
      54% off
      54% off
      THB 9,870 THB 4,500
    • BUF 7:57 AM
      2h 8m
      Nonstop
      ORD 9:05 AM
      Buffalo - Chicago | Tue, Nov 3 | American Airlines
      THB 4,720 THB 9,870
      52% off
      52% off
      THB 9,870 THB 4,720
    • BUF 11:26 AM
      2h 14m
      Nonstop
      ORD 12:40 PM
      Buffalo - Chicago | Mon, Nov 9 | American Airlines
      THB 4,720 THB 9,870
      52% off
      52% off
      THB 9,870 THB 4,720
    • BUF 6:45 PM
      2h 14m
      Nonstop
      ORD 7:59 PM
      Buffalo - Chicago | Wed, Dec 16 | American Airlines
      THB 4,730
      52% off
      THB 9,870 THB 4,730
    • BUF 8:00 AM
      2h 5m
      Nonstop
      ORD 9:05 AM
      Buffalo - Chicago | Thu, Dec 10 | American Airlines
      THB 4,730
      52% off
      THB 9,870 THB 4,730
    • BUF 8:00 AM
      2h 5m
      Nonstop
      ORD 9:05 AM
      Buffalo - Chicago | Tue, Dec 15 | American Airlines
      THB 4,730
      52% off
      THB 9,870 THB 4,730
    • BUF 8:00 AM
      2h 5m
      Nonstop
      ORD 9:05 AM
      Buffalo - Chicago | Thu, Dec 3 | American Airlines
      THB 4,730
      52% off
      THB 9,870 THB 4,730
    • BUF 6:25 AM
      2h 35m
      Nonstop
      ORD 8:00 AM
      Buffalo - Chicago | Tue, Dec 22 | American Airlines
      THB 5,390
      45% off
      THB 9,870 THB 5,390
    • BUF 11:26 AM
      2h 14m
      Nonstop
      ORD 12:40 PM
      Buffalo - Chicago | Wed, Nov 4 | American Airlines
      THB 5,390
      45% off
      THB 9,870 THB 5,390
    • 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
      THB 4,720 THB 9,740
      52% off
      52% off
      THB 9,740 THB 4,720
    • BUF 11:26 AM
      2h 14m
      Nonstop
      ORD 12:40 PM
      Buffalo - Chicago | Wed, Nov 4 | American Airlines
      THB 5,390 THB 9,740
      45% off
      45% off
      THB 9,740 THB 5,390
    • BUF 6:46 PM
      2h 14m
      Nonstop
      ORD 8:00 PM
      Buffalo - Chicago | Sat, Nov 7 | American Airlines
      THB 5,390 THB 9,740
      45% off
      45% off
      THB 9,740 THB 5,390
    • BUF 7:57 AM
      2h 8m
      Nonstop
      ORD 9:05 AM
      Buffalo - Chicago | Thu, Nov 5 | American Airlines
      THB 5,390
      45% off
      THB 9,740 THB 5,390
    • BUF 7:55 AM
      2h 10m
      Nonstop
      ORD 9:05 AM
      Buffalo - Chicago | Sun, Nov 1 | American Airlines
      THB 7,460
      23% off
      THB 9,740 THB 7,460
    • BUF 6:46 PM
      2h 14m
      Nonstop
      ORD 8:00 PM
      Buffalo - Chicago | Fri, Nov 6 | American Airlines
      THB 8,390
      14% off
      THB 9,740 THB 8,390
    • BUF 5:13 AM
      5h 3m
      1 stop
      ORD 9:16 AM
      Buffalo - Chicago | Thu, Nov 5 | American Airlines
      THB 5,720
      41% off
      THB 9,740 THB 5,720
    • BUF 1:48 PM
      5h 57m
      1 stop
      ORD 6:45 PM
      Buffalo - Chicago | Fri, Nov 6 | Frontier Airlines
      THB 6,230
      36% off
      THB 9,740 THB 6,230
    • BUF 9:06 AM
      4h 53m
      1 stop
      ORD 12:59 PM
      Buffalo - Chicago | Sun, Nov 1 | Delta Air Lines
      THB 7,800
      20% off
      THB 9,740 THB 7,800
    • 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
      THB 6,910 THB 24,700
      72% off
      72% off
      THB 24,700 THB 6,910
    • BUF 1:53 PM
      2h 2m
      Nonstop
      ORD 2:55 PM
      Buffalo - Chicago | Wed, Nov 4 | United Airlines
      THB 6,920 THB 24,700
      72% off
      72% off
      THB 24,700 THB 6,920
    • BUF 1:53 PM
      2h 2m
      Nonstop
      ORD 2:55 PM
      Buffalo - Chicago | Mon, Dec 7 | United Airlines
      THB 8,010 THB 24,700
      68% off
      68% off
      THB 24,700 THB 8,010
    • BUF 1:53 PM
      2h 2m
      Nonstop
      ORD 2:55 PM
      Buffalo - Chicago | Tue, Dec 15 | United Airlines
      THB 8,040
      67% off
      THB 24,700 THB 8,040
    • BUF 1:53 PM
      2h 2m
      Nonstop
      ORD 2:55 PM
      Buffalo - Chicago | Wed, Nov 11 | United Airlines
      THB 8,280
      66% off
      THB 24,700 THB 8,280
    • BUF 10:30 AM
      2h 2m
      Nonstop
      ORD 11:32 AM
      Buffalo - Chicago | Tue, Dec 8 | United Airlines
      THB 8,390
      66% off
      THB 24,700 THB 8,390
    • BUF 1:53 PM
      2h 2m
      Nonstop
      ORD 2:55 PM
      Buffalo - Chicago | Sat, Dec 12 | United Airlines
      THB 8,390
      66% off
      THB 24,700 THB 8,390
    • BUF 1:53 PM
      2h 2m
      Nonstop
      ORD 2:55 PM
      Buffalo - Chicago | Tue, Nov 24 | United Airlines
      THB 8,660
      65% off
      THB 24,700 THB 8,660
    • BUF 1:53 PM
      2h 2m
      Nonstop
      ORD 2:55 PM
      Buffalo - Chicago | Sun, Dec 13 | United Airlines
      THB 9,070
      63% off
      THB 24,700 THB 9,070
    • 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 airline offers the cheapest flights from Buffalo Niagara International Airport to O'Hare Intl. Airport?

The cheapest airline flying from Buffalo Niagara International Airport to O'Hare Intl. Airport is Frontier Airlines (from THB 3,610) among 4 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From THB 3,610
Delta Air Lines
From THB 4,350
American Airlines
From THB 4,370
United Airlines
From THB 5,470

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

    7:53 AM

    BUF

    2h 12m

    9:05 AM

    ORD

    S M T W T F S
    Search

  2. AA2202

    Buffalo Niagara International Airport

    6:46 PM

    BUF

    2h 14m

    8:00 PM

    ORD

    S M T W T F S
    Search

  3. AA4780

    Buffalo Niagara International Airport

    11:36 AM

    BUF

    2h 21m

    12:57 PM

    ORD

    S M T W T F S
    Search

  4. F91407

    Buffalo Niagara International Airport

    6:02 PM

    BUF

    2h 37m

    Nonstop

    8:39 PM

    ATL

    S - T - T - -
    Search

  5. F91595

    Hartsfield–Jackson Atlanta International Airport

    5:15 PM

    ATL

    2h 30m

    Nonstop

    6:45 PM

    ORD

    S M T W T F S

  6. F91691

    Buffalo Niagara International Airport

    6:20 PM

    BUF

    3h 4m

    Nonstop

    9:24 PM

    MCO

    - - - W - - S
    Search

  7. F93043

    Orlando Intl. Airport

    6:30 AM

    MCO

    3h 16m

    Nonstop

    8:46 AM

    ORD

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

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

Flight distance 760.5 km
Cheapest one-way ticket price THB 3,610
Cheapest return ticket price THB 7,280

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

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

    Buffalo Niagara International Airport to O'Hare Intl. Airport takes about 1 hour 21 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 Intl. Airport (ORD).
  • The earliest flight from Buffalo Niagara International Airport to O'Hare Intl. 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 Intl. Airport (ORD) is quite popular. Without considering departure times or holidays, tickets cost around THB 9,370 in December, the most expensive month to book this route.
  • The earliest flight departs from Buffalo Niagara International Airport (BUF) at 06:14 and arrives in O'Hare Intl. Airport (ORD) at 07:13.
  • The latest flight departs from Buffalo Niagara International Airport (BUF) at 17:55 and arrives in O'Hare Intl. Airport (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.
  • The closest airport to O'Hare Intl. 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 Intl. Airport currently start from THB 3,610, and round-trip fares start from THB 7,280. The current lowest fare is a Frontier Airlines flight departing on Sat, Dec 19; prices may vary depending on availability.
  • Yes. United Airlines and American Airlines operate direct flights from Buffalo Niagara International Airport to O'Hare Intl. 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 Intl. Airport is THB 7,760. Prices may vary depending on the departure date, airline, and availability.
  • Buffalo Niagara International Airport to O'Hare Intl. 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 Intl. 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.

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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 24 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.