Cheap Flights to St. Louis County from $20

Popular airlines to St. Louis County

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • Southwest Airlines

    Southwest Airlines

  • Frontier Airlines

    Frontier Airlines

  • Alaska Airlines

    Alaska Airlines

  • Air Canada

    Air Canada

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

Prices were available within the past 7 days and start at $20 for one-way flights and $40 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Tue, Dec 23 - Thu, Dec 25
ATL
Atlanta
STL
St. Louis
$40 Roundtrip, just found
$40
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Dec 23 from Atlanta to St. Louis, returning Thu, Dec 25, priced at $40 just found
Frontier Airlines
Thu, Dec 11 - Thu, Dec 25
ATL
Atlanta
STL
St. Louis
$44 Roundtrip, found 2 days ago
$44
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, Dec 11 from Atlanta to St. Louis, returning Thu, Dec 25, priced at $44 found 2 days ago
Frontier Airlines
Fri, Dec 26 - Mon, Jan 5
MCO
Orlando
STL
St. Louis
$49 Roundtrip, just found
$49
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Dec 26 from Orlando to St. Louis, returning Mon, Jan 5, priced at $49 just found
Frontier Airlines
Wed, Dec 24 - Sat, Jan 3
MCO
Orlando
STL
St. Louis
$50 Roundtrip, just found
$50
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Dec 24 from Orlando to St. Louis, returning Sat, Jan 3, priced at $50 just found
Frontier Airlines
Thu, Dec 11 - Thu, Dec 25
ATL
Atlanta
STL
St. Louis
$54 Roundtrip, found 2 days ago
$54
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, Dec 11 from Atlanta to St. Louis, returning Thu, Dec 25, priced at $54 found 2 days ago
Frontier Airlines
Wed, Feb 4 - Sat, Feb 14
MCO
Orlando
STL
St. Louis
$56 Roundtrip, just found
$56
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Feb 4 from Orlando to St. Louis, returning Sat, Feb 14, priced at $56 just found
Southwest Airlines
Wed, Feb 4 - Sat, Feb 14
MCO
Orlando
STL
St. Louis
$117 Roundtrip, just found
$117
Roundtrip
just found
Select Southwest Airlines flight, departing Wed, Feb 4 from Orlando to St. Louis, returning Sat, Feb 14, priced at $117 just found
United
Sat, Jan 17 - Sat, Jan 24
DEN
Denver
STL
St. Louis
$157 Roundtrip, just found
$157
Roundtrip
just found
Select United flight, departing Sat, Jan 17 from Denver to St. Louis, returning Sat, Jan 24, priced at $157 just found
American Airlines
Wed, Dec 3 - Sat, Dec 6
SEA
Seattle
STL
St. Louis
$158 Roundtrip, found 8 hours ago
$158
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Wed, Dec 3 from Seattle to St. Louis, returning Sat, Dec 6, priced at $158 found 8 hours ago
Spirit Airlines
Tue, Dec 23 - Thu, Jan 1
MCO
Orlando
STL
St. Louis
$196 Roundtrip, found 2 hours ago
$196
Roundtrip
found 2 hours ago
Select Spirit Airlines flight, departing Tue, Dec 23 from Orlando to St. Louis, returning Thu, Jan 1, priced at $196 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 $320
STL
Lambert-St. Louis Intl.
Cheapest
Flights from $320

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, Southwest Airlines, United, American Airlines, Delta, Spirit Airlines
Roundtrip price
from $40

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
Tue, Dec 23 - Thu, Dec 25
ATL
Atlanta
STL
St. Louis
$40 Roundtrip, just found
$40
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Dec 23 from Atlanta to St. Louis, returning Thu, Dec 25, priced at $40 just found
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