How much is the cheapest flight to St. Louis County?

Prices were available within the past 7 days and start at $29 for one-way flights and $58 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Feb 11 - Sat, Feb 21

DEN

Denver

STL

St. Louis

$58 Roundtrip, just found

$58

Roundtrip

just found

Select Frontier Airlines flight, departing Wed, Feb 11 from Denver to St. Louis, returning Sat, Feb 21, priced at $58 just found

Sat, Feb 7 - Tue, Feb 10

MCO

Orlando

STL

St. Louis

$58 Roundtrip, just found

$58

Roundtrip

just found

Select Frontier Airlines flight, departing Sat, Feb 7 from Orlando to St. Louis, returning Tue, Feb 10, priced at $58 just found

Fri, Feb 27 - Mon, Mar 9

MCO

Orlando

STL

St. Louis

$68 Roundtrip, found 1 hour ago

$68

Roundtrip

found 1 hour ago

Select Frontier Airlines flight, departing Fri, Feb 27 from Orlando to St. Louis, returning Mon, Mar 9, priced at $68 found 1 hour ago

Sat, Jan 24 - Mon, Jan 26

DEN

Denver

STL

St. Louis

$73 Roundtrip, found 1 hour ago

$73

Roundtrip

found 1 hour ago

Select Frontier Airlines flight, departing Sat, Jan 24 from Denver to St. Louis, returning Mon, Jan 26, priced at $73 found 1 hour ago

Fri, Feb 13 - Mon, Feb 23

MCO

Orlando

STL

St. Louis

$78 Roundtrip, just found

$78

Roundtrip

just found

Select Frontier Airlines flight, departing Fri, Feb 13 from Orlando to St. Louis, returning Mon, Feb 23, priced at $78 just found

Wed, Feb 11 - Sat, Feb 28

DEN

Denver

STL

St. Louis

$79 Roundtrip, found 3 days ago

$79

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Wed, Feb 11 from Denver to St. Louis, returning Sat, Feb 28, priced at $79 found 3 days ago

Fri, Feb 13 - Mon, Feb 23

MCO

Orlando

STL

St. Louis

$137 Roundtrip, found 1 hour ago

$137

Roundtrip

found 1 hour ago

Select Southwest Airlines flight, departing Fri, Feb 13 from Orlando to St. Louis, returning Mon, Feb 23, priced at $137 found 1 hour ago

Wed, Feb 11 - Sat, Feb 21

DEN

Denver

STL

St. Louis

$157 Roundtrip, just found

$157

Roundtrip

just found

Select United flight, departing Wed, Feb 11 from Denver to St. Louis, returning Sat, Feb 21, priced at $157 just found

Tue, Feb 17 - Tue, Mar 3

SEA

Seattle

STL

St. Louis

$158 Roundtrip, found 1 hour ago

$158

Roundtrip

found 1 hour ago

Select American Airlines flight, departing Tue, Feb 17 from Seattle to St. Louis, returning Tue, Mar 3, priced at $158 found 1 hour ago

Sat, Mar 28 - Tue, Mar 31

SEA

Seattle

STL

St. Louis

$217 Roundtrip, found 3 days ago

$217

Roundtrip

found 3 days ago

Select Hawaiian Airlines flight, departing Sat, Mar 28 from Seattle to St. Louis, returning Tue, Mar 31, priced at $217 found 3 days ago