$158 Cheap United flights Seattle (SEA) to Washington (IAD)

$158 Cheap United flights Seattle (SEA) to Washington (IAD)

Prices were available within the past 7 days and start at $158 for one-way flights and $412 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jul 29 - Thu, Aug 13

SEA

Seattle

IAD

Washington

$412 Roundtrip, found 6 hours ago

$412

Roundtrip

found 6 hours ago

Select United flight, departing Wed, Jul 29 from Seattle to Washington, returning Thu, Aug 13, priced at $412 found 6 hours ago

Wed, Jul 29 - Thu, Aug 13

SEA

Seattle

IAD

Washington

$445 Roundtrip, found 6 hours ago

$445

Roundtrip

found 6 hours ago

Select United flight, departing Wed, Jul 29 from Seattle to Washington, returning Thu, Aug 13, priced at $445 found 6 hours ago

Wed, Jul 29 - Thu, Aug 13

SEA

Seattle

IAD

Washington

$456 Roundtrip, found 6 hours ago

$456

Roundtrip

found 6 hours ago

Select United flight, departing Wed, Jul 29 from Seattle to Washington, returning Thu, Aug 13, priced at $456 found 6 hours ago

Wed, Jul 29 - Thu, Aug 13

SEA

Seattle

IAD

Washington

$469 Roundtrip, found 6 hours ago

$469

Roundtrip

found 6 hours ago

Select United flight, departing Wed, Jul 29 from Seattle to Washington, returning Thu, Aug 13, priced at $469 found 6 hours ago

Wed, Jul 29 - Thu, Aug 13

SEA

Seattle

IAD

Washington

$499 Roundtrip, found 6 hours ago

$499

Roundtrip

found 6 hours ago

Select United flight, departing Wed, Jul 29 from Seattle to Washington, returning Thu, Aug 13, priced at $499 found 6 hours ago

Wed, Jul 29 - Thu, Aug 13

SEA

Seattle

IAD

Washington

$505 Roundtrip, found 6 hours ago

$505

Roundtrip

found 6 hours ago

Select United flight, departing Wed, Jul 29 from Seattle to Washington, returning Thu, Aug 13, priced at $505 found 6 hours ago