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Seattle Tacoma Intl. Airport to Buffalo Niagara International Airport flight

Explore the cheapest one-way and round-trip flights from Seattle Tacoma Intl. Airport to Buffalo Niagara International Airport over the next 90 days, with one-way fares from $177 and round-trip from $378. Based on Trip.com's latest 7-day flight data.

      • SEA 6:18 AM
        8h
        1 stop
        BUF 5:18 PM
        Seattle - Buffalo | Mon, Oct 12 | American Airlines
        BUF 5:50 PM
        9h 46m
        1 stop
        SEA 12:36 AM
        Buffalo - Seattle | Sat, Oct 17 | American Airlines
        $378 $583
        35% off
        35% off
        $583 $378
      • SEA 11:10 PM
        9h 25m
        1 stop
        BUF 11:35 AM
        Seattle - Buffalo | Sun, Nov 15 | Delta Air Lines
        BUF 3:20 PM
        10h 40m
        1 stop
        SEA 11:00 PM
        Buffalo - Seattle | Wed, Nov 18 | Delta Air Lines
        $393 $583
        33% off
        33% off
        $583 $393
      • SEA 12:34 PM
        7h 10m
        1 stop
        BUF 10:44 PM
        Seattle - Buffalo | Sun, Nov 15 | American Airlines
        BUF 7:57 AM
        9h 23m
        1 stop
        SEA 2:20 PM
        Buffalo - Seattle | Wed, Nov 18 | American Airlines
        $397 $583
        32% off
        32% off
        $583 $397
      • SEA 11:05 PM
        9h 17m
        1 stop
        BUF 11:22 AM
        Seattle - Buffalo | Mon, Oct 12 | Delta Air Lines
        BUF 3:56 PM
        10h 14m
        1 stop
        SEA 11:10 PM
        Buffalo - Seattle | Sat, Oct 17 | American Airlines
        $424
        27% off
        $583 $424
      • SEA 11:57 PM
        8h 42m
        1 stop
        BUF 11:39 AM
        Seattle - Buffalo | Fri, Oct 9 | American Airlines
        BUF 6:56 PM
        8h 15m
        1 stop
        SEA 12:11 AM
        Buffalo - Seattle | Tue, Oct 13 | American Airlines
        $442
        24% off
        $583 $442
      • SEA 11:15 PM
        7h 53m
        1 stop
        BUF 10:08 AM
        Seattle - Buffalo | Sun, Nov 15 | United Airlines
        BUF 3:20 PM
        10h 40m
        1 stop
        SEA 11:00 PM
        Buffalo - Seattle | Wed, Nov 18 | Delta Air Lines
        $447
        23% off
        $583 $447
      • SEA 11:10 PM
        9h 25m
        1 stop
        BUF 11:35 AM
        Seattle - Buffalo | Thu, Oct 22 | Delta Air Lines
        BUF 7:35 PM
        8h 5m
        1 stop
        SEA 12:40 AM
        Buffalo - Seattle | Wed, Oct 28 |
        $457
        22% off
        $583 $457
      • SEA 11:59 PM
        7h 54m
        1 stop
        BUF 10:53 AM
        Seattle - Buffalo | Wed, Oct 28 | American Airlines
        BUF 8:00 AM
        9h 17m
        1 stop
        SEA 2:17 PM
        Buffalo - Seattle | Fri, Oct 30 | American Airlines
        $464
        20% off
        $583 $464
      • SEA 6:12 AM
        7h 56m
        1 stop
        BUF 5:08 PM
        Seattle - Buffalo | Thu, Oct 22 | American Airlines
        BUF 6:03 PM
        9h 7m
        1 stop
        SEA 12:10 AM
        Buffalo - Seattle | Wed, Oct 28 | American Airlines
        $466
        20% off
        $583 $466
      • SEA 1:00 PM
        17h 25m
        1 stop
        BUF 2:00 PM
        Seattle - Buffalo | Thu, Sep 24 | Normal Airline
        BUF 3:00 PM
        6h
        Nonstop
        SEA 4:00 PM
        Buffalo - Seattle | Sat, Sep 26 | Normal Airline
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      • SEA 7:15 AM
        9h
        1 stop
        BUF 7:15 PM
        Seattle - Buffalo | Sun, Sep 27 | Delta Air Lines
        $177 $280
        37% off
        37% off
        $280 $177
      • SEA 11:10 PM
        6h 11m
        1 stop
        BUF 8:21 AM
        Seattle - Buffalo | Thu, Oct 15 | Delta Air Lines
        $186 $280
        34% off
        34% off
        $280 $186
      • SEA 11:57 PM
        8h 42m
        1 stop
        BUF 11:39 AM
        Seattle - Buffalo | Sun, Sep 27 | American Airlines
        $188 $280
        33% off
        33% off
        $280 $188
      • SEA 11:57 PM
        8h 42m
        1 stop
        BUF 11:39 AM
        Seattle - Buffalo | Sun, Oct 4 | American Airlines
        $191
        32% off
        $280 $191
      • SEA 6:00 AM
        10h 3m
        1 stop
        BUF 7:03 PM
        Seattle - Buffalo | Thu, Oct 15 | American Airlines
        $196
        30% off
        $280 $196
      • SEA 10:35 PM
        9h 41m
        1 stop
        BUF 11:16 AM
        Seattle - Buffalo | Sat, Oct 24 | Delta Air Lines
        $199
        28% off
        $280 $199
      • SEA 10:48 PM
        10h 58m
        1 stop
        BUF 12:46 PM
        Seattle - Buffalo | Sat, Oct 24 | American Airlines
        $209
        25% off
        $280 $209
      • SEA 11:35 AM
        9h 17m
        1 stop
        BUF 11:52 PM
        Seattle - Buffalo | Sat, Oct 3 | Delta Air Lines
        $214
        24% off
        $280 $214
      • SEA 11:00 PM
        7h 18m
        1 stop
        BUF 9:18 AM
        Seattle - Buffalo | Sun, Sep 27 | United Airlines
        $224
        20% off
        $280 $224
      • SEA 1:00 PM
        17h 25m
        1 stop
        BUF 2:00 PM
        Seattle - Buffalo | Thu, Sep 24 | Normal Airline
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Displayed flight fares from Seattle Tacoma Intl. Airport to Buffalo Niagara International Airport 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 Seattle Tacoma Intl. Airport to Buffalo Niagara International Airport?

The cheapest airline flying from Seattle Tacoma Intl. Airport to Buffalo Niagara International Airport is Delta Air Lines (from $166) among 8 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Delta Air Lines
From $166
American Airlines
From $186
United Airlines
From $220
Jetblue Airways
From $221
Sun Country Airlines
From $241
Qatar Airways
From $247
Alaska Airlines
From $321
Hahn Air
From $339

Find more flights and airlines

What is the flight schedule from Seattle Tacoma Intl. Airport to Buffalo Niagara International Airport?

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. UA747

    Seattle Tacoma Intl. Airport

    11:00 AM

    SEA

    4h 5m

    Nonstop

    5:05 PM

    ORD

    S M T W T - S
    Search

  2. UA265

    O'Hare Intl. Airport

    6:29 AM

    ORD

    1h 39m

    Nonstop

    9:08 AM

    BUF

    S M T W T F -

  3. UA2693

    Seattle Tacoma Intl. Airport

    11:14 PM

    SEA

    5h 3m

    Nonstop

    7:17 AM

    IAD

    - - - W T F -
    Search

  4. UA4476

    Dulles International Airport

    8:20 AM

    IAD

    1h 20m

    Nonstop

    9:40 AM

    BUF

    S - - W T F S

  5. AA2870

    Seattle Tacoma Intl. Airport

    12:40 PM

    SEA

    5h 24m

    Nonstop

    9:04 PM

    PHL

    S - - W T - S
    Search

  6. AA5939

    Philadelphia International Airport

    10:01 PM

    PHL

    1h 39m

    Nonstop

    11:40 PM

    BUF

    S - - W T - S

  7. UA2017

    Seattle Tacoma Intl. Airport

    10:58 PM

    SEA

    5h 12m

    Nonstop

    7:10 AM

    EWR

    S M T W T F S
    Search

  8. UA4417

    Newark Liberty Intl. Airport Airport

    8:30 AM

    EWR

    1h 25m

    Nonstop

    9:55 AM

    BUF

    - - - W T - -

  9. DL652

    Seattle Tacoma Intl. Airport

    11:35 PM

    SEA

    4h 50m

    Nonstop

    7:25 AM

    ATL

    S M T W T F S
    Search

  10. DL1384

    Hartsfield–Jackson Atlanta International Airport

    9:10 AM

    ATL

    2h

    Nonstop

    11:10 AM

    BUF

    S M T W T F S

  11. DL429

    Seattle Tacoma Intl. Airport

    7:15 AM

    SEA

    5h 35m

    Nonstop

    3:50 PM

    JFK

    S M T W T F S
    Search

  12. DL5250

    John F Kennedy Intl. Airport

    5:15 PM

    JFK

    1h 39m

    Nonstop

    6:54 PM

    BUF

    S M T W T F S

  13. AA2379

    Seattle Tacoma Intl. Airport

    11:34 PM

    SEA

    4h 1m

    Nonstop

    5:35 AM

    ORD

    S M T W T F S
    Search

  14. AA4751

    O'Hare Intl. Airport

    8:46 AM

    ORD

    1h 53m

    Nonstop

    11:39 AM

    BUF

    S M T W T F S

  15. AA1833

    Seattle Tacoma Intl. Airport

    12:56 PM

    SEA

    5h 4m

    Nonstop

    9:00 PM

    CLT

    - - - - - - S
    Search

  16. AA703

    Charlotte Douglas International Airport

    8:55 PM

    CLT

    1h 45m

    Nonstop

    10:40 PM

    BUF

    S M T W T F S

  17. DL1706

    Seattle Tacoma Intl. Airport

    1:30 PM

    SEA

    4h 20m

    Nonstop

    8:50 PM

    DTW

    S M T W T F S
    Search

  18. DL978

    Detroit Metropolitan Wayne County Airport

    10:50 PM

    DTW

    1h 12m

    Nonstop

    12:02 AM

    BUF

    S M T W T F S

  19. DL567

    Seattle Tacoma Intl. Airport

    9:20 PM

    SEA

    4h 48m

    Nonstop

    5:08 AM

    ATL

    S M T W T F S
    Search

  20. DL1384

    Hartsfield–Jackson Atlanta International Airport

    9:10 AM

    ATL

    2h

    Nonstop

    11:10 AM

    BUF

    S M T W T F S
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About Seattle Tacoma Intl. Airport and Buffalo Niagara International Airport

Learn about Seattle Tacoma Intl. Airport (SEA) and Buffalo Niagara International Airport (BUF) — including location, terminals, transportation, and travel tips.

Flight distance3,409.35 km
Cheapest one-way ticket price$177
Cheapest return ticket price$378

FAQs for Seattle Tacoma Intl. Airport to Buffalo Niagara International Airport Flights

  • How many daily flights are there from Seattle Tacoma Intl. Airport (SEA) to Buffalo Niagara International Airport (BUF)?

    There are around 1 daily flights from Seattle Tacoma Intl. Airport (SEA) to Buffalo Niagara International Airport (BUF).
  • The route from Seattle Tacoma Intl. Airport (SEA) to Buffalo Niagara International Airport (BUF) is quite popular. Without considering departure times or holidays, tickets cost around $484 in May, the most expensive month to book this route.
  • The earliest flight departs from Seattle Tacoma Intl. Airport (SEA) at 07:06 and arrives in Buffalo Niagara International Airport (BUF) at 16:38.
  • United Airlines is a very popular airline operating an average of 13 flights per month.
  • One-way flights from Seattle Tacoma Intl. Airport to Buffalo Niagara International Airport currently start from $177, and round-trip fares start from $378. The current lowest fare is a Delta Air Lines flight departing on Sun, Sep 27; prices may vary depending on availability.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Seattle Tacoma Intl. Airport to Buffalo Niagara International Airport is $312. Prices may vary depending on the departure date, airline, and availability.
  • Enter Seattle Tacoma Intl. 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

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.