Cheap Delta flights Washington (IAD) to Seattle (SEA)

Cheap Delta flights Washington (IAD) to Seattle (SEA)

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

Sat, May 9 - Mon, May 11

IAD

Washington

SEA

Seattle

$327 Roundtrip, found 2 hours ago

$327

Roundtrip

found 2 hours ago

Select Delta flight, departing Sat, May 9 from Washington to Seattle, returning Mon, May 11, priced at $327 found 2 hours ago

Mon, May 4 - Thu, May 14

IAD

Washington

SEA

Seattle

$392 Roundtrip, found 2 hours ago

$392

Roundtrip

found 2 hours ago

Select Delta flight, departing Mon, May 4 from Washington to Seattle, returning Thu, May 14, priced at $392 found 2 hours ago