$332 Cheap United flights Washington (IAD) to St. Louis (STL)

$332 Cheap United flights Washington (IAD) to St. Louis (STL)

Prices were available within the past 7 days and start at $332 for one-way flights and $593 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Oct 24 - Sat, Oct 25

IAD

Washington

STL

St. Louis

$593 Roundtrip, found 2 days ago

$593

Roundtrip

found 2 days ago

Select United flight, departing Fri, Oct 24 from Washington to St. Louis, returning Sat, Oct 25, priced at $593 found 2 days ago

Thu, Oct 23 - Sat, Oct 25

IAD

Washington

STL

St. Louis

$616 Roundtrip, found 2 days ago

$616

Roundtrip

found 2 days ago

Select United flight, departing Thu, Oct 23 from Washington to St. Louis, returning Sat, Oct 25, priced at $616 found 2 days ago

Thu, Oct 23 - Sat, Oct 25

IAD

Washington

STL

St. Louis

$626 Roundtrip, found 2 days ago

$626

Roundtrip

found 2 days ago

Select United flight, departing Thu, Oct 23 from Washington to St. Louis, returning Sat, Oct 25, priced at $626 found 2 days ago

Thu, Oct 23 - Sat, Oct 25

IAD

Washington

STL

St. Louis

$636 Roundtrip, found 2 days ago

$636

Roundtrip

found 2 days ago

Select United flight, departing Thu, Oct 23 from Washington to St. Louis, returning Sat, Oct 25, priced at $636 found 2 days ago

Thu, Oct 23 - Sat, Oct 25

IAD

Washington

STL

St. Louis

$669 Roundtrip, found 2 days ago

$669

Roundtrip

found 2 days ago

Select United flight, departing Thu, Oct 23 from Washington to St. Louis, returning Sat, Oct 25, priced at $669 found 2 days ago

Thu, Oct 23 - Sat, Oct 25

IAD

Washington

STL

St. Louis

$679 Roundtrip, found 2 days ago

$679

Roundtrip

found 2 days ago

Select United flight, departing Thu, Oct 23 from Washington to St. Louis, returning Sat, Oct 25, priced at $679 found 2 days ago