$130 Cheap Frontier Airlines flights Washington (IAD) to St. Louis (STL)

$130 Cheap Frontier Airlines flights Washington (IAD) to St. Louis (STL)

Prices were available within the past 7 days and start at $130 for one-way flights and $150 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Apr 23 - Wed, May 6

IAD

Washington

STL

St. Louis

$150 Roundtrip, found 1 day ago

$150

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Apr 23 from Washington to St. Louis, returning Wed, May 6, priced at $150 found 1 day ago

Sun, Apr 19 - Wed, May 6

IAD

Washington

STL

St. Louis

$170 Roundtrip, found 1 day ago

$170

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Apr 19 from Washington to St. Louis, returning Wed, May 6, priced at $170 found 1 day ago

Sun, May 10 - Sun, May 24

IAD

Washington

STL

St. Louis

$175 Roundtrip, found 1 day ago

$175

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, May 10 from Washington to St. Louis, returning Sun, May 24, priced at $175 found 1 day ago

Sun, Apr 19 - Sat, May 2

IAD

Washington

STL

St. Louis

$190 Roundtrip, found 1 day ago

$190

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Apr 19 from Washington to St. Louis, returning Sat, May 2, priced at $190 found 1 day ago

Mon, Apr 20 - Wed, May 6

IAD

Washington

STL

St. Louis

$191 Roundtrip, found 1 day ago

$191

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Apr 20 from Washington to St. Louis, returning Wed, May 6, priced at $191 found 1 day ago

Tue, Jun 2 - Tue, Jun 16

IAD

Washington

STL

St. Louis

$195 Roundtrip, found 1 day ago

$195

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Jun 2 from Washington to St. Louis, returning Tue, Jun 16, priced at $195 found 1 day ago

Wed, Jun 10 - Tue, Jun 23

IAD

Washington

STL

St. Louis

$200 Roundtrip, found 1 day ago

$200

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Jun 10 from Washington to St. Louis, returning Tue, Jun 23, priced at $200 found 1 day ago