$157 Cheap Alaska Airlines flights Seattle (SEA) to Washington (IAD)

$157 Cheap Alaska Airlines flights Seattle (SEA) to Washington (IAD)

Prices were available within the past 7 days and start at $157 for one-way flights and $312 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jul 28 - Tue, Aug 11

SEA

Seattle

IAD

Washington

$312 Roundtrip, found 21 hours ago

$312

Roundtrip

found 21 hours ago

Select Alaska Airlines flight, departing Tue, Jul 28 from Seattle to Washington, returning Tue, Aug 11, priced at $312 found 21 hours ago

Sun, May 17 - Wed, Jun 3

SEA

Seattle

IAD

Washington

$337 Roundtrip, found 12 hours ago

$337

Roundtrip

found 12 hours ago

Select Alaska Airlines flight, departing Sun, May 17 from Seattle to Washington, returning Wed, Jun 3, priced at $337 found 12 hours ago

Wed, May 20 - Wed, May 27

SEA

Seattle

IAD

Washington

$350 Roundtrip, found 1 day ago

$350

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Wed, May 20 from Seattle to Washington, returning Wed, May 27, priced at $350 found 1 day ago

Tue, Jul 21 - Wed, Aug 5

SEA

Seattle

IAD

Washington

$351 Roundtrip, found 21 hours ago

$351

Roundtrip

found 21 hours ago

Select Alaska Airlines flight, departing Tue, Jul 21 from Seattle to Washington, returning Wed, Aug 5, priced at $351 found 21 hours ago

Sun, May 17 - Mon, Jun 1

SEA

Seattle

IAD

Washington

$357 Roundtrip, found 2 days ago

$357

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Sun, May 17 from Seattle to Washington, returning Mon, Jun 1, priced at $357 found 2 days ago

Sun, May 10 - Tue, May 19

SEA

Seattle

IAD

Washington

$364 Roundtrip, found 3 days ago

$364

Roundtrip

found 3 days ago

Select Alaska Airlines flight, departing Sun, May 10 from Seattle to Washington, returning Tue, May 19, priced at $364 found 3 days ago