$159 Cheap Alaska Airlines flights Washington (IAD) to Seattle (SEA)

$159 Cheap Alaska Airlines flights Washington (IAD) to Seattle (SEA)

Prices were available within the past 7 days and start at $159 for one-way flights and $277 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Sep 29 - Mon, Oct 6

IAD

Washington

SEA

Seattle

$277 Roundtrip, found 2 days ago

$277

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Mon, Sep 29 from Washington to Seattle, returning Mon, Oct 6, priced at $277 found 2 days ago

Mon, Sep 29 - Sat, Oct 4

IAD

Washington

SEA

Seattle

$297 Roundtrip, found 2 days ago

$297

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Mon, Sep 29 from Washington to Seattle, returning Sat, Oct 4, priced at $297 found 2 days ago

Fri, Oct 3 - Sun, Oct 5

IAD

Washington

SEA

Seattle

$322 Roundtrip, found 1 day ago

$322

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Fri, Oct 3 from Washington to Seattle, returning Sun, Oct 5, priced at $322 found 1 day ago

Mon, Sep 29 - Thu, Oct 9

IAD

Washington

SEA

Seattle

$327 Roundtrip, found 2 days ago

$327

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Mon, Sep 29 from Washington to Seattle, returning Thu, Oct 9, priced at $327 found 2 days ago

Fri, Oct 3 - Sun, Oct 5

IAD

Washington

SEA

Seattle

$342 Roundtrip, found 1 day ago

$342

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Fri, Oct 3 from Washington to Seattle, returning Sun, Oct 5, priced at $342 found 1 day ago

Thu, Oct 2 - Sat, Oct 4

IAD

Washington

SEA

Seattle

$347 Roundtrip, found 2 days ago

$347

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Thu, Oct 2 from Washington to Seattle, returning Sat, Oct 4, priced at $347 found 2 days ago

Sun, Oct 5 - Wed, Oct 8

IAD

Washington

SEA

Seattle

$357 Roundtrip, found 5 days ago

$357

Roundtrip

found 5 days ago

Select Alaska Airlines flight, departing Sun, Oct 5 from Washington to Seattle, returning Wed, Oct 8, priced at $357 found 5 days ago