Cheap Flights to Jefferson County from $33

How much is the cheapest flight to Jefferson County?

Prices were available within the past 7 days and start at $33 for one-way flights and $56 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Apr 18 - Sat, Apr 25

DEN

Denver

STL

St. Louis

$66 Roundtrip, found 5 hours ago

$66

Roundtrip

found 5 hours ago

Select Frontier Airlines flight, departing Sat, Apr 18 from Denver to St. Louis, returning Sat, Apr 25, priced at $66 found 5 hours ago

Fri, Apr 3 - Mon, Apr 13

DEN

Denver

STL

St. Louis

$68 Roundtrip, found 1 hour ago

$68

Roundtrip

found 1 hour ago

Select Frontier Airlines flight, departing Fri, Apr 3 from Denver to St. Louis, returning Mon, Apr 13, priced at $68 found 1 hour ago

Sat, May 2 - Sat, May 9

DEN

Denver

STL

St. Louis

$76 Roundtrip, just found

$76

Roundtrip

just found

Select Frontier Airlines flight, departing Sat, May 2 from Denver to St. Louis, returning Sat, May 9, priced at $76 just found

Sat, Apr 25 - Mon, May 4

DEN

Denver

STL

St. Louis

$77 Roundtrip, found 3 hours ago

$77

Roundtrip

found 3 hours ago

Select Frontier Airlines flight, departing Sat, Apr 25 from Denver to St. Louis, returning Mon, May 4, priced at $77 found 3 hours ago

Fri, Apr 3 - Mon, Apr 13

DEN

Denver

STL

St. Louis

$78 Roundtrip, found 1 hour ago

$78

Roundtrip

found 1 hour ago

Select Frontier Airlines flight, departing Fri, Apr 3 from Denver to St. Louis, returning Mon, Apr 13, priced at $78 found 1 hour ago

Wed, Apr 1 - Sat, Apr 11

DEN

Denver

STL

St. Louis

$87 Roundtrip, found 1 hour ago

$87

Roundtrip

found 1 hour ago

Select Frontier Airlines flight, departing Wed, Apr 1 from Denver to St. Louis, returning Sat, Apr 11, priced at $87 found 1 hour ago

Wed, Apr 29 - Sat, May 9

DEN

Denver

STL

St. Louis

$177 Roundtrip, found 1 hour ago

$177

Roundtrip

found 1 hour ago

Select United flight, departing Wed, Apr 29 from Denver to St. Louis, returning Sat, May 9, priced at $177 found 1 hour ago

Wed, Apr 29 - Sat, May 9

DEN

Denver

STL

St. Louis

$177 Roundtrip, found 1 hour ago

$177

Roundtrip

found 1 hour ago

Select Southwest Airlines flight, departing Wed, Apr 29 from Denver to St. Louis, returning Sat, May 9, priced at $177 found 1 hour ago

Wed, Apr 15 - Sat, Apr 18

DEN

Denver

STL

St. Louis

$197 Roundtrip, found 3 hours ago

$197

Roundtrip

found 3 hours ago

Select American Airlines flight, departing Wed, Apr 15 from Denver to St. Louis, returning Sat, Apr 18, priced at $197 found 3 hours ago

Sat, Apr 11 - Tue, Apr 21

SEA

Seattle

STL

St. Louis

$217 Roundtrip, found 1 hour ago

$217

Roundtrip

found 1 hour ago

Select Alaska Airlines flight, departing Sat, Apr 11 from Seattle to St. Louis, returning Tue, Apr 21, priced at $217 found 1 hour ago