$169 Cheap United flights St. Louis (STL) to Washington (IAD)

$169 Cheap United flights St. Louis (STL) to Washington (IAD)

Prices were available within the past 7 days and start at $169 for one-way flights and $267 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jul 21 - Tue, Jul 28

STL

St. Louis

IAD

Washington

$267 Roundtrip, found 4 hours ago

$267

Roundtrip

found 4 hours ago

Select United flight, departing Tue, Jul 21 from St. Louis to Washington, returning Tue, Jul 28, priced at $267 found 4 hours ago

Tue, Jul 21 - Tue, Jul 28

STL

St. Louis

IAD

Washington

$283 Roundtrip, found 4 hours ago

$283

Roundtrip

found 4 hours ago

Select United flight, departing Tue, Jul 21 from St. Louis to Washington, returning Tue, Jul 28, priced at $283 found 4 hours ago

Tue, Jul 21 - Fri, Jul 31

STL

St. Louis

IAD

Washington

$307 Roundtrip, found 8 hours ago

$307

Roundtrip

found 8 hours ago

Select United flight, departing Tue, Jul 21 from St. Louis to Washington, returning Fri, Jul 31, priced at $307 found 8 hours ago

Tue, Jul 21 - Tue, Jul 28

STL

St. Louis

IAD

Washington

$318 Roundtrip, found 4 hours ago

$318

Roundtrip

found 4 hours ago

Select United flight, departing Tue, Jul 21 from St. Louis to Washington, returning Tue, Jul 28, priced at $318 found 4 hours ago

Tue, Jul 21 - Fri, Jul 31

STL

St. Louis

IAD

Washington

$321 Roundtrip, found 8 hours ago

$321

Roundtrip

found 8 hours ago

Select United flight, departing Tue, Jul 21 from St. Louis to Washington, returning Fri, Jul 31, priced at $321 found 8 hours ago

Tue, Jul 21 - Tue, Jul 28

STL

St. Louis

IAD

Washington

$325 Roundtrip, found 4 hours ago

$325

Roundtrip

found 4 hours ago

Select United flight, departing Tue, Jul 21 from St. Louis to Washington, returning Tue, Jul 28, priced at $325 found 4 hours ago