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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 €83 and round-trip from €159. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        BUF 11:24
        2h 5m
        Direct
        ORD 12:29
        Buffalo - Chicago | Tue, Oct 20 | American Airlines
        ORD 21:16
        1h 43m
        Direct
        BUF 23:59
        Chicago - Buffalo | Thu, Oct 22 | American Airlines
        €190 €219
        13% off
        13% off
        €219 €190
      • BUF 07:59
        2h 11m
        Direct
        ORD 09:10
        Buffalo - Chicago | Sat, Oct 3 | American Airlines
        ORD 14:20
        1h 48m
        Direct
        BUF 17:08
        Chicago - Buffalo | Tue, Oct 6 | American Airlines
        €190 €219
        13% off
        13% off
        €219 €190
      • BUF 13:44
        5h 47m
        1 stop
        ORD 18:31
        Buffalo - Chicago | Sat, Oct 17 | Frontier Airlines
        MDW 06:15
        5h 44m
        1 stop
        BUF 12:59
        Chicago - Buffalo | Wed, Oct 21 | Frontier Airlines
        €159 €219
        27% off
        27% off
        €219 €159
      • BUF 13:45
        5h 38m
        1 stop
        ORD 18:23
        Buffalo - Chicago | Sat, Sep 26 | Frontier Airlines
        ORD 06:20
        5h 30m
        1 stop
        BUF 12:50
        Chicago - Buffalo | Sat, Oct 3 | Frontier Airlines
        €160
        27% off
        €219 €160
      • BUF 13:40
        5h 43m
        1 stop
        ORD 18:23
        Buffalo - Chicago | Wed, Sep 23 | Frontier Airlines
        ORD 06:20
        5h 35m
        1 stop
        BUF 12:55
        Chicago - Buffalo | Wed, Sep 30 | Frontier Airlines
        €161
        26% off
        €219 €161
      • BUF 13:44
        5h 47m
        1 stop
        ORD 18:31
        Buffalo - Chicago | Sat, Oct 24 | Frontier Airlines
        MDW 06:16
        5h 59m
        1 stop
        BUF 13:15
        Chicago - Buffalo | Wed, Oct 28 | Frontier Airlines
        €181
        17% off
        €219 €181
      • BUF 13:40
        5h 43m
        1 stop
        ORD 18:23
        Buffalo - Chicago | Wed, Oct 7 | Frontier Airlines
        MDW 06:21
        5h 38m
        1 stop
        BUF 12:59
        Chicago - Buffalo | Wed, Oct 14 | Frontier Airlines
        €185
        16% off
        €219 €185
      • BUF 13:13
        8h 15m
        1 stop
        ORD 20:28
        Buffalo - Chicago | Thu, Oct 22 | Frontier Airlines
        ORD 16:49
        24h 18m
        1 stop
        BUF 18:07
        Chicago - Buffalo | Mon, Oct 26 | Frontier Airlines
        €188
        14% off
        €219 €188
      • BUF 13:44
        5h 47m
        1 stop
        ORD 18:31
        Buffalo - Chicago | Sat, Oct 10 | Frontier Airlines
        ORD 16:20
        1h 30m
        Direct
        BUF 18:50
        Chicago - Buffalo | Sat, Oct 17 |
        €190
        13% off
        €219 €190
      • BUF 15:53
        5h 37m
        1 stop
        ORD 20:30
        Buffalo - Chicago | Sat, Oct 3 | Delta Air Lines
        MDW 18:44
        4h 15m
        1 stop
        BUF 23:59
        Chicago - Buffalo | Tue, Oct 6 | Delta Air Lines
        €194
        11% off
        €219 €194
      • BUF 14:10
        6h 10m
        1 stop
        ORD 19:20
        Buffalo - Chicago | Tue, Oct 20 | Delta Air Lines
        ORD 19:30
        3h 29m
        1 stop
        BUF 23:59
        Chicago - Buffalo | Thu, Oct 22 | Delta Air Lines
        €194
        11% off
        €219 €194
      • BUF 14:10
        6h 10m
        1 stop
        ORD 19:20
        Buffalo - Chicago | Sat, Oct 17 | Delta Air Lines
        MDW 18:44
        4h 15m
        1 stop
        BUF 23:59
        Chicago - Buffalo | Wed, Oct 21 | Delta Air Lines
        €197
        10% off
        €219 €197
      • BUF 13:00
        17h 25m
        1 stop
        CHI 14:00
        Buffalo - Chicago | Tue, Sep 22 | Normal Airline
        CHI 15:00
        6h
        Direct
        BUF 16:00
        Chicago - Buffalo | Thu, Sep 24 | Normal Airline
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      • Cheapest nonstop
        BUF 18:50
        2h 10m
        Direct
        ORD 20:00
        Buffalo - Chicago | Sat, Nov 14 | American Airlines
        €107 €120
        11% off
        11% off
        €120 €107
      • BUF 18:56
        2h 19m
        Direct
        ORD 20:15
        Buffalo - Chicago | Sun, Oct 4 | American Airlines
        €108 €120
        10% off
        10% off
        €120 €108
      • BUF 18:51
        29h 8m
        1 stop
        ORD 22:59
        Buffalo - Chicago | Tue, Sep 29 | Frontier Airlines
        €83 €120
        31% off
        31% off
        €120 €83
      • BUF 13:44
        5h 47m
        1 stop
        ORD 18:31
        Buffalo - Chicago | Sat, Oct 24 | Frontier Airlines
        €91
        24% off
        €120 €91
      • BUF 13:45
        5h 38m
        1 stop
        ORD 18:23
        Buffalo - Chicago | Sat, Oct 3 | Frontier Airlines
        €91
        24% off
        €120 €91
      • BUF 13:48
        5h 57m
        1 stop
        ORD 18:45
        Buffalo - Chicago | Mon, Nov 9 | Frontier Airlines
        €97
        19% off
        €120 €97
      • BUF 13:48
        5h 57m
        1 stop
        ORD 18:45
        Buffalo - Chicago | Mon, Nov 2 | Frontier Airlines
        €97
        19% off
        €120 €97
      • BUF 13:44
        5h 47m
        1 stop
        ORD 18:31
        Buffalo - Chicago | Wed, Oct 14 | Frontier Airlines
        €97
        19% off
        €120 €97
      • BUF 18:51
        29h 8m
        1 stop
        ORD 22:59
        Buffalo - Chicago | Tue, Sep 22 | Frontier Airlines
        €100
        17% off
        €120 €100
      • BUF 13:44
        5h 47m
        1 stop
        ORD 18:31
        Buffalo - Chicago | Wed, Oct 21 | Frontier Airlines
        €103
        14% off
        €120 €103
      • BUF 18:51
        29h 8m
        1 stop
        ORD 22:59
        Buffalo - Chicago | Tue, Oct 6 | Frontier Airlines
        €105
        13% off
        €120 €105
      • BUF 12:54
        20h 52m
        1 stop
        ORD 08:46
        Buffalo - Chicago | Thu, Nov 5 | Frontier Airlines
        €108
        10% off
        €120 €108
      • BUF 06:10
        5h 29m
        1 stop
        ORD 10:39
        Buffalo - Chicago | Thu, Oct 22 | Delta Air Lines
        €108
        10% off
        €120 €108
      • BUF 18:51
        14h
        1 stop
        ORD 07:51
        Buffalo - Chicago | Tue, Oct 13 | Frontier Airlines
        €108
        10% off
        €120 €108
      • BUF 13:00
        17h 25m
        1 stop
        CHI 14:00
        Buffalo - Chicago | Tue, Sep 22 | Normal Airline
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Flight fares from Buffalo Niagara International Airport to O'Hare International Airport are based on average airline prices for the next 3 months, according to Trip.com’s latest data.

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 €73) among 5 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From €73
Delta Air Lines
From €100
American Airlines
From €107
United Airlines
From €119
Jetblue Airways
From €236

Find more flights and airlines

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. UA543

    Buffalo Niagara International Airport

    06:55

    BUF

    2h

    07:55

    ORD

    S M T W T F S
    Search

  2. AA1195

    Buffalo Niagara International Airport

    07:59

    BUF

    2h 11m

    09:10

    ORD

    S M T W T F S
    Search

  3. F91407

    Buffalo Niagara International Airport

    13:40

    BUF

    2h 15m

    Direct

    15:55

    ATL

    S - T - T F -
    Search

  4. F91595

    Hartsfield–Jackson Atlanta International Airport

    17:02

    ATL

    2h 21m

    Direct

    18:23

    ORD

    S M T W T F S

  5. F91691

    Buffalo Niagara International Airport

    12:49

    BUF

    2h 50m

    Direct

    15:39

    MCO

    - M - W - - S
    Search

  6. F93043

    Orlando International Airport

    08:10

    MCO

    3h 10m

    Direct

    10:20

    ORD

    S - - W T - S

  7. F91691

    Buffalo Niagara International Airport

    12:49

    BUF

    2h 50m

    Direct

    15:39

    MCO

    - M - W - - S
    Search

  8. F91349

    Orlando International Airport

    20:51

    MCO

    3h 8m

    Direct

    22:59

    ORD

    S M T W T F 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 distance760.5km
Cheapest one-way ticket price€83
Cheapest return ticket price€159

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 29 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 18:56, with about 9 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 €177 in October, the most expensive month to book this route.
    • The distance from O'Hare International Airport to downtown is about 25km, by taxi about 40 minutes.
    • The distance from Chicago Midway International Airport to downtown is about 14km, by taxi about 30 minutes.
  • The closest airport to O'Hare International Airport (ORD) is Chicago Midway International Airport. The distance is around 25km.
  • 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 €83, and round-trip fares start from €159. The current lowest fare is a Frontier Airlines flight departing on Tue, Sep 29; 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 20 minutes, and around 48 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 €150. Prices may vary depending on the departure date, airline, and availability.
  • Buffalo Niagara International Airport to O'Hare International Airport operates around 34 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.

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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.

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Prices displayed on 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, 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 were updated within the 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.