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

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

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.

Thu, Oct 16 - Sat, Oct 25

SEA

Seattle

IAD

Washington

$277 Roundtrip, found 1 day ago

$277

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Thu, Oct 16 from Seattle to Washington, returning Sat, Oct 25, priced at $277 found 1 day ago

Sun, Oct 12 - Thu, Oct 30

SEA

Seattle

IAD

Washington

$322 Roundtrip, found 1 day ago

$322

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Sun, Oct 12 from Seattle to Washington, returning Thu, Oct 30, priced at $322 found 1 day ago

Wed, Dec 17 - Wed, Dec 31

SEA

Seattle

IAD

Washington

$432 Roundtrip, found 2 days ago

$432

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Wed, Dec 17 from Seattle to Washington, returning Wed, Dec 31, priced at $432 found 2 days ago

Sat, Dec 20 - Fri, Jan 2

SEA

Seattle

IAD

Washington

$447 Roundtrip, found 2 days ago

$447

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Sat, Dec 20 from Seattle to Washington, returning Fri, Jan 2, priced at $447 found 2 days ago

Sun, Sep 21 - Sun, Sep 28

SEA

Seattle

IAD

Washington

$448 Roundtrip, found 1 day ago

$448

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Sun, Sep 21 from Seattle to Washington, returning Sun, Sep 28, priced at $448 found 1 day ago