$149 Cheap United flights Seattle (SEA) to Washington (IAD)

$149 Cheap United flights Seattle (SEA) to Washington (IAD)

Prices were available within the past 7 days and start at $149 for one-way flights and $287 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jul 30 - Tue, Aug 12

SEA

Seattle

IAD

Washington

$287 Roundtrip, found 16 hours ago

$287

Roundtrip

found 16 hours ago

Select United flight, departing Wed, Jul 30 from Seattle to Washington, returning Tue, Aug 12, priced at $287 found 16 hours ago

Mon, Aug 4 - Tue, Aug 12

SEA

Seattle

IAD

Washington

$309 Roundtrip, found 10 hours ago

$309

Roundtrip

found 10 hours ago

Select United flight, departing Mon, Aug 4 from Seattle to Washington, returning Tue, Aug 12, priced at $309 found 10 hours ago

Wed, Jul 30 - Tue, Aug 12

SEA

Seattle

IAD

Washington

$311 Roundtrip, found 16 hours ago

$311

Roundtrip

found 16 hours ago

Select United flight, departing Wed, Jul 30 from Seattle to Washington, returning Tue, Aug 12, priced at $311 found 16 hours ago

Wed, Jul 30 - Tue, Aug 12

SEA

Seattle

IAD

Washington

$311 Roundtrip, found 16 hours ago

$311

Roundtrip

found 16 hours ago

Select United flight, departing Wed, Jul 30 from Seattle to Washington, returning Tue, Aug 12, priced at $311 found 16 hours ago

Wed, Jul 30 - Tue, Aug 12

SEA

Seattle

IAD

Washington

$312 Roundtrip, found 16 hours ago

$312

Roundtrip

found 16 hours ago

Select United flight, departing Wed, Jul 30 from Seattle to Washington, returning Tue, Aug 12, priced at $312 found 16 hours ago

Mon, Aug 4 - Tue, Aug 12

SEA

Seattle

IAD

Washington

$346 Roundtrip, found 10 hours ago

$346

Roundtrip

found 10 hours ago

Select United flight, departing Mon, Aug 4 from Seattle to Washington, returning Tue, Aug 12, priced at $346 found 10 hours ago