Cheap Flights to St. Louis County from $52

Popular airlines to St. Louis County

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • Southwest Airlines

    Southwest Airlines

  • Alaska Airlines

    Alaska Airlines

  • Frontier Airlines

    Frontier Airlines

  • Air Canada

    Air Canada

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

Prices were available within the past 7 days and start at $52 for one-way flights and $104 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sat, Oct 25 - Wed, Oct 29
DEN
Denver
STL
St. Louis
$104 Roundtrip, found 2 hours ago
$104
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sat, Oct 25 from Denver to St. Louis, returning Wed, Oct 29, priced at $104 found 2 hours ago
Frontier Airlines
Wed, Oct 29 - Sat, Nov 8
DEN
Denver
STL
St. Louis
$106 Roundtrip, found 5 hours ago
$106
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Wed, Oct 29 from Denver to St. Louis, returning Sat, Nov 8, priced at $106 found 5 hours ago
Frontier Airlines
Wed, Jan 14 - Wed, Jan 21
DEN
Denver
STL
St. Louis
$107 Roundtrip, found 2 hours ago
$107
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Wed, Jan 14 from Denver to St. Louis, returning Wed, Jan 21, priced at $107 found 2 hours ago
Frontier Airlines
Thu, Oct 23 - Tue, Oct 28
DEN
Denver
STL
St. Louis
$111 Roundtrip, found 2 hours ago
$111
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Thu, Oct 23 from Denver to St. Louis, returning Tue, Oct 28, priced at $111 found 2 hours ago
Frontier Airlines
Mon, Oct 6 - Tue, Oct 14
DEN
Denver
STL
St. Louis
$112 Roundtrip, just found
$112
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Oct 6 from Denver to St. Louis, returning Tue, Oct 14, priced at $112 just found
Frontier Airlines
Fri, Oct 31 - Tue, Nov 4
DEN
Denver
STL
St. Louis
$114 Roundtrip, found 5 hours ago
$114
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Fri, Oct 31 from Denver to St. Louis, returning Tue, Nov 4, priced at $114 found 5 hours ago
United
Wed, Oct 29 - Sat, Nov 8
DEN
Denver
STL
St. Louis
$157 Roundtrip, found 5 hours ago
$157
Roundtrip
found 5 hours ago
Select United flight, departing Wed, Oct 29 from Denver to St. Louis, returning Sat, Nov 8, priced at $157 found 5 hours ago
Southwest Airlines
Wed, Dec 3 - Sat, Dec 13
DEN
Denver
STL
St. Louis
$157 Roundtrip, found 5 hours ago
$157
Roundtrip
found 5 hours ago
Select Southwest Airlines flight, departing Wed, Dec 3 from Denver to St. Louis, returning Sat, Dec 13, priced at $157 found 5 hours ago
Delta
Tue, Dec 9 - Wed, Dec 10
SEA
Seattle
STL
St. Louis
$171 Roundtrip, found 1 day ago
$171
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Dec 9 from Seattle to St. Louis, returning Wed, Dec 10, priced at $171 found 1 day ago
Spirit Airlines
Sat, Oct 25 - Tue, Oct 28
BOS
Boston
STL
St. Louis
$195 Roundtrip, found 2 hours ago
$195
Roundtrip
found 2 hours ago
Select Spirit Airlines flight, departing Sat, Oct 25 from Boston to St. Louis, returning Tue, Oct 28, priced at $195 found 2 hours ago

Airports in St. Louis County

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Lambert-St. Louis Intl. STL. Cheapest option available. Flights from $162
STL
Lambert-St. Louis Intl.
Cheapest
Flights from $162

Fargo Hector International Airport offers nonstop flights to cities across the US. From ski trips to golf getaways to a week on the beach, it's all within reach when you fly FAR.

Plan your trip and fly nonstop from Fargo to Atlanta, Chicago, Dallas, Denver, Las Vegas, Minneapolis/St. Paul, Nashville, and Phoenix-Mesa, with seasonal service to Orlando, Phoenix-Sky Harbor, and St. Pete–Clearwater.

Take advantage of our convenient new parking garage with affordable rates. Enjoy short lines, a simple terminal, and fast check-ins. From parking to boarding, it's smooth every step of the way.

St. Louis County Flights Information

Airlines serving
Frontier Airlines, United, Southwest Airlines, Spirit Airlines, American Airlines, Delta
Roundtrip price
from $104

Trending flights to St. Louis County

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sat, Oct 25 - Wed, Oct 29
DEN
Denver
STL
St. Louis
$104 Roundtrip, found 2 hours ago
$104
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sat, Oct 25 from Denver to St. Louis, returning Wed, Oct 29, priced at $104 found 2 hours ago
*Available to One Key members.