$178 Cheap United flights Seattle (SEA) to Washington (IAD)

$178 Cheap United flights Seattle (SEA) to Washington (IAD)

Prices were available within the past 7 days and start at $178 for one-way flights and $257 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, May 20 - Wed, May 27

SEA

Seattle

IAD

Washington

$257 Roundtrip, found 1 day ago

$257

Roundtrip

found 1 day ago

Select United flight, departing Wed, May 20 from Seattle to Washington, returning Wed, May 27, priced at $257 found 1 day ago

Wed, May 20 - Wed, May 27

SEA

Seattle

IAD

Washington

$262 Roundtrip, found 1 day ago

$262

Roundtrip

found 1 day ago

Select United flight, departing Wed, May 20 from Seattle to Washington, returning Wed, May 27, priced at $262 found 1 day ago

Wed, May 20 - Wed, May 27

SEA

Seattle

IAD

Washington

$323 Roundtrip, found 1 day ago

$323

Roundtrip

found 1 day ago

Select United flight, departing Wed, May 20 from Seattle to Washington, returning Wed, May 27, priced at $323 found 1 day ago

Sun, May 17 - Wed, Jun 3

SEA

Seattle

IAD

Washington

$327 Roundtrip, found 12 hours ago

$327

Roundtrip

found 12 hours ago

Select United flight, departing Sun, May 17 from Seattle to Washington, returning Wed, Jun 3, priced at $327 found 12 hours ago

Wed, May 20 - Wed, May 27

SEA

Seattle

IAD

Washington

$331 Roundtrip, found 1 day ago

$331

Roundtrip

found 1 day ago

Select United flight, departing Wed, May 20 from Seattle to Washington, returning Wed, May 27, priced at $331 found 1 day ago

Wed, May 20 - Wed, May 27

SEA

Seattle

IAD

Washington

$332 Roundtrip, found 1 day ago

$332

Roundtrip

found 1 day ago

Select United flight, departing Wed, May 20 from Seattle to Washington, returning Wed, May 27, priced at $332 found 1 day ago