$173 Cheap Alaska Airlines flights Washington (IAD) to Seattle (SEA)

$173 Cheap Alaska Airlines flights Washington (IAD) to Seattle (SEA)

Prices were available within the past 7 days and start at $173 for one-way flights and $327 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, May 3 - Mon, May 11

IAD

Washington

SEA

Seattle

$327 Roundtrip, found 21 hours ago

$327

Roundtrip

found 21 hours ago

Select Alaska Airlines flight, departing Sun, May 3 from Washington to Seattle, returning Mon, May 11, priced at $327 found 21 hours ago

Fri, May 8 - Mon, May 11

IAD

Washington

SEA

Seattle

$347 Roundtrip, found 21 hours ago

$347

Roundtrip

found 21 hours ago

Select Alaska Airlines flight, departing Fri, May 8 from Washington to Seattle, returning Mon, May 11, priced at $347 found 21 hours ago

Fri, May 8 - Fri, May 15

IAD

Washington

SEA

Seattle

$367 Roundtrip, found 21 hours ago

$367

Roundtrip

found 21 hours ago

Select Alaska Airlines flight, departing Fri, May 8 from Washington to Seattle, returning Fri, May 15, priced at $367 found 21 hours ago

Sun, May 3 - Thu, May 14

IAD

Washington

SEA

Seattle

$397 Roundtrip, found 21 hours ago

$397

Roundtrip

found 21 hours ago

Select Alaska Airlines flight, departing Sun, May 3 from Washington to Seattle, returning Thu, May 14, priced at $397 found 21 hours ago

Fri, May 8 - Thu, May 14

IAD

Washington

SEA

Seattle

$417 Roundtrip, found 21 hours ago

$417

Roundtrip

found 21 hours ago

Select Alaska Airlines flight, departing Fri, May 8 from Washington to Seattle, returning Thu, May 14, priced at $417 found 21 hours ago

Fri, Dec 26 - Fri, Jan 2

IAD

Washington

SEA

Seattle

$877 Roundtrip, found 16 hours ago

$877

Roundtrip

found 16 hours ago

Select Alaska Airlines flight, departing Fri, Dec 26 from Washington to Seattle, returning Fri, Jan 2, priced at $877 found 16 hours ago