$139 Cheap American Airlines flights St. Louis (STL) to Washington (IAD)

$139 Cheap American Airlines flights St. Louis (STL) to Washington (IAD)

Prices were available within the past 7 days and start at $139 for one-way flights and $277 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jul 22 - Tue, Jul 28

STL

St. Louis

IAD

Washington

$277 Roundtrip, found 1 hour ago

$277

Roundtrip

found 1 hour ago

Select American Airlines flight, departing Wed, Jul 22 from St. Louis to Washington, returning Tue, Jul 28, priced at $277 found 1 hour ago

Tue, Jul 21 - Tue, Jul 28

STL

St. Louis

IAD

Washington

$287 Roundtrip, found 5 hours ago

$287

Roundtrip

found 5 hours ago

Select American Airlines flight, departing Tue, Jul 21 from St. Louis to Washington, returning Tue, Jul 28, priced at $287 found 5 hours ago

Wed, Jul 22 - Mon, Jul 27

STL

St. Louis

IAD

Washington

$296 Roundtrip, just found

$296

Roundtrip

just found

Select American Airlines flight, departing Wed, Jul 22 from St. Louis to Washington, returning Mon, Jul 27, priced at $296 just found

Tue, Jul 21 - Tue, Jul 28

STL

St. Louis

IAD

Washington

$306 Roundtrip, found 5 hours ago

$306

Roundtrip

found 5 hours ago

Select American Airlines flight, departing Tue, Jul 21 from St. Louis to Washington, returning Tue, Jul 28, priced at $306 found 5 hours ago

Wed, Jul 22 - Tue, Jul 28

STL

St. Louis

IAD

Washington

$309 Roundtrip, found 1 hour ago

$309

Roundtrip

found 1 hour ago

Select American Airlines flight, departing Wed, Jul 22 from St. Louis to Washington, returning Tue, Jul 28, priced at $309 found 1 hour ago

Wed, Jul 22 - Mon, Jul 27

STL

St. Louis

IAD

Washington

$314 Roundtrip, just found

$314

Roundtrip

just found

Select American Airlines flight, departing Wed, Jul 22 from St. Louis to Washington, returning Mon, Jul 27, priced at $314 just found