Cheap Flights to St. Louis County from $24

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

Prices were available within the past 7 days and start at $24 for one-way flights and $48 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Jan 24 - Sat, Jan 31

DEN

Denver

STL

St. Louis

$48 Roundtrip, found 3 hours ago

$48

Roundtrip

found 3 hours ago

Select Frontier Airlines flight, departing Sat, Jan 24 from Denver to St. Louis, returning Sat, Jan 31, priced at $48 found 3 hours ago

Fri, Jan 23 - Sun, Jan 25

MCO

Orlando

STL

St. Louis

$48 Roundtrip, just found

$48

Roundtrip

just found

Select Frontier Airlines flight, departing Fri, Jan 23 from Orlando to St. Louis, returning Sun, Jan 25, priced at $48 just found

Mon, Feb 23 - Sun, Mar 1

MCO

Orlando

STL

St. Louis

$53 Roundtrip, found 2 hours ago

$53

Roundtrip

found 2 hours ago

Select Frontier Airlines flight, departing Mon, Feb 23 from Orlando to St. Louis, returning Sun, Mar 1, priced at $53 found 2 hours ago

Sun, Feb 22 - Sat, Feb 28

MCO

Orlando

STL

St. Louis

$58 Roundtrip, found 2 hours ago

$58

Roundtrip

found 2 hours ago

Select Frontier Airlines flight, departing Sun, Feb 22 from Orlando to St. Louis, returning Sat, Feb 28, priced at $58 found 2 hours ago

Wed, Feb 25 - Mon, Mar 2

DEN

Denver

STL

St. Louis

$62 Roundtrip, found 3 hours ago

$62

Roundtrip

found 3 hours ago

Select Frontier Airlines flight, departing Wed, Feb 25 from Denver to St. Louis, returning Mon, Mar 2, priced at $62 found 3 hours ago

Thu, Jan 15 - Wed, Jan 21

MCO

Orlando

STL

St. Louis

$63 Roundtrip, found 2 hours ago

$63

Roundtrip

found 2 hours ago

Select Frontier Airlines flight, departing Thu, Jan 15 from Orlando to St. Louis, returning Wed, Jan 21, priced at $63 found 2 hours ago

Tue, Feb 24 - Tue, Mar 3

SEA

Seattle

STL

St. Louis

$157 Roundtrip, just found

$157

Roundtrip

just found

Select Southwest Airlines flight, departing Tue, Feb 24 from Seattle to St. Louis, returning Tue, Mar 3, priced at $157 just found

Sat, Feb 7 - Wed, Feb 11

DEN

Denver

STL

St. Louis

$157 Roundtrip, found 3 hours ago

$157

Roundtrip

found 3 hours ago

Select United flight, departing Sat, Feb 7 from Denver to St. Louis, returning Wed, Feb 11, priced at $157 found 3 hours ago

Mon, Jan 12 - Fri, Jan 23

SEA

Seattle

STL

St. Louis

$176 Roundtrip, found 3 hours ago

$176

Roundtrip

found 3 hours ago

Select American Airlines flight, departing Mon, Jan 12 from Seattle to St. Louis, returning Fri, Jan 23, priced at $176 found 3 hours ago

Thu, Dec 25 - Thu, Jan 1

MCO

Orlando

STL

St. Louis

$196 Roundtrip, found 8 hours ago

$196

Roundtrip

found 8 hours ago

Select Spirit Airlines flight, departing Thu, Dec 25 from Orlando to St. Louis, returning Thu, Jan 1, priced at $196 found 8 hours ago