How much is the cheapest flight to Jefferson 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 18 - Sat, Feb 28

DEN

Denver

STL

St. Louis

$58 Roundtrip, found 3 hours ago

$58

Roundtrip

found 3 hours ago

Select Frontier Airlines flight, departing Wed, Feb 18 from Denver to St. Louis, returning Sat, Feb 28, priced at $58 found 3 hours ago

Sat, Feb 21 - Tue, Mar 3

MCO

Orlando

STL

St. Louis

$58 Roundtrip, found 3 hours ago

$58

Roundtrip

found 3 hours ago

Select Frontier Airlines flight, departing Sat, Feb 21 from Orlando to St. Louis, returning Tue, Mar 3, priced at $58 found 3 hours ago

Wed, Jan 21 - Sat, Jan 24

DEN

Denver

STL

St. Louis

$62 Roundtrip, found 4 hours ago

$62

Roundtrip

found 4 hours ago

Select Frontier Airlines flight, departing Wed, Jan 21 from Denver to St. Louis, returning Sat, Jan 24, priced at $62 found 4 hours ago

Thu, Feb 26 - Sun, Mar 8

MCO

Orlando

STL

St. Louis

$68 Roundtrip, found 3 hours ago

$68

Roundtrip

found 3 hours ago

Select Frontier Airlines flight, departing Thu, Feb 26 from Orlando to St. Louis, returning Sun, Mar 8, priced at $68 found 3 hours ago

Wed, Jan 21 - Fri, Jan 30

DEN

Denver

STL

St. Louis

$72 Roundtrip, found 1 hour ago

$72

Roundtrip

found 1 hour ago

Select Frontier Airlines flight, departing Wed, Jan 21 from Denver to St. Louis, returning Fri, Jan 30, priced at $72 found 1 hour ago

Mon, Feb 23 - Wed, Mar 4

DEN

Denver

STL

St. Louis

$73 Roundtrip, found 6 hours ago

$73

Roundtrip

found 6 hours ago

Select Frontier Airlines flight, departing Mon, Feb 23 from Denver to St. Louis, returning Wed, Mar 4, priced at $73 found 6 hours ago

Thu, Feb 26 - Tue, Mar 3

MCO

Orlando

STL

St. Louis

$137 Roundtrip, found 2 hours ago

$137

Roundtrip

found 2 hours ago

Select Southwest Airlines flight, departing Thu, Feb 26 from Orlando to St. Louis, returning Tue, Mar 3, priced at $137 found 2 hours ago

Wed, Feb 11 - Sat, Feb 21

DEN

Denver

STL

St. Louis

$157 Roundtrip, found 3 hours ago

$157

Roundtrip

found 3 hours ago

Select United flight, departing Wed, Feb 11 from Denver to St. Louis, returning Sat, Feb 21, priced at $157 found 3 hours ago

Wed, Apr 8 - Tue, Apr 14

SEA

Seattle

STL

St. Louis

$158 Roundtrip, found 1 hour ago

$158

Roundtrip

found 1 hour ago

Select American Airlines flight, departing Wed, Apr 8 from Seattle to St. Louis, returning Tue, Apr 14, priced at $158 found 1 hour ago

Tue, Mar 24 - Sat, Mar 28

LAX

Los Angeles

STL

St. Louis

$314 Roundtrip, found 11 hours ago

$314

Roundtrip

found 11 hours ago

Select Hawaiian Airlines flight, departing Tue, Mar 24 from Los Angeles to St. Louis, returning Sat, Mar 28, priced at $314 found 11 hours ago