$309 Cheap United flights St. Louis (STL) to Washington (IAD)

$309 Cheap United flights St. Louis (STL) to Washington (IAD)

Prices were available within the past 7 days and start at $309 for one-way flights and $617 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Sep 24 - Thu, Sep 25

STL

St. Louis

IAD

Washington

$617 Roundtrip, found 4 days ago

$617

Roundtrip

found 4 days ago

Select United flight, departing Wed, Sep 24 from St. Louis to Washington, returning Thu, Sep 25, priced at $617 found 4 days ago

Wed, Sep 24 - Thu, Sep 25

STL

St. Louis

IAD

Washington

$627 Roundtrip, found 4 days ago

$627

Roundtrip

found 4 days ago

Select United flight, departing Wed, Sep 24 from St. Louis to Washington, returning Thu, Sep 25, priced at $627 found 4 days ago

Wed, Sep 24 - Thu, Sep 25

STL

St. Louis

IAD

Washington

$630 Roundtrip, found 4 days ago

$630

Roundtrip

found 4 days ago

Select United flight, departing Wed, Sep 24 from St. Louis to Washington, returning Thu, Sep 25, priced at $630 found 4 days ago

Wed, Sep 24 - Thu, Sep 25

STL

St. Louis

IAD

Washington

$636 Roundtrip, found 4 days ago

$636

Roundtrip

found 4 days ago

Select United flight, departing Wed, Sep 24 from St. Louis to Washington, returning Thu, Sep 25, priced at $636 found 4 days ago

Wed, Sep 24 - Thu, Sep 25

STL

St. Louis

IAD

Washington

$637 Roundtrip, found 4 days ago

$637

Roundtrip

found 4 days ago

Select United flight, departing Wed, Sep 24 from St. Louis to Washington, returning Thu, Sep 25, priced at $637 found 4 days ago

Wed, Sep 24 - Thu, Sep 25

STL

St. Louis

IAD

Washington

$640 Roundtrip, found 4 days ago

$640

Roundtrip

found 4 days ago

Select United flight, departing Wed, Sep 24 from St. Louis to Washington, returning Thu, Sep 25, priced at $640 found 4 days ago