Cheap flights from Buffalo to Northwest Washington

View AU$236 flight on Tue, 19 Aug. 2025Opens in a new window

Popular airlines from Buffalo to Northwest Washington

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

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Cheap Flights from Buffalo (BUF) to Northwest Washington (SEA)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, 12 Sep. - Sun, 28 Sep.
BUF
Buffalo
SEA
Seattle
AU$609 Return, found 9 hours ago
AU$609
Return
found 9 hours ago
Select American Airlines flight, departing Fri, 12 Sep. from Buffalo to Seattle, returning Sun, 28 Sep., priced at AU$609 found 9 hours ago
American Airlines
Fri, 12 Sep. - Sun, 28 Sep.
BUF
Buffalo
SEA
Seattle
AU$653 Return, found 9 hours ago
AU$653
Return
found 9 hours ago
Select American Airlines flight, departing Fri, 12 Sep. from Buffalo to Seattle, returning Sun, 28 Sep., priced at AU$653 found 9 hours ago
United
Fri, 12 Sep. - Sun, 28 Sep.
BUF
Buffalo
SEA
Seattle
AU$670 Return, found 9 hours ago
AU$670
Return
found 9 hours ago
Select United flight, departing Fri, 12 Sep. from Buffalo to Seattle, returning Sun, 28 Sep., priced at AU$670 found 9 hours ago
United
Fri, 12 Sep. - Sun, 28 Sep.
BUF
Buffalo
SEA
Seattle
AU$672 Return, found 9 hours ago
AU$672
Return
found 9 hours ago
Select United flight, departing Fri, 12 Sep. from Buffalo to Seattle, returning Sun, 28 Sep., priced at AU$672 found 9 hours ago
Delta
Fri, 12 Sep. - Sun, 28 Sep.
BUF
Buffalo
SEA
Seattle
AU$673 Return, found 9 hours ago
AU$673
Return
found 9 hours ago
Select Delta flight, departing Fri, 12 Sep. from Buffalo to Seattle, returning Sun, 28 Sep., priced at AU$673 found 9 hours ago
Alaska Airlines
Fri, 12 Sep. - Sun, 28 Sep.
BUF
Buffalo
SEA
Seattle
AU$792 Return, found 9 hours ago
AU$792
Return
found 9 hours ago
Select Alaska Airlines flight, departing Fri, 12 Sep. from Buffalo to Seattle, returning Sun, 28 Sep., priced at AU$792 found 9 hours ago
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