Find the Cheapest Flights from Saint Louis to United States

Unlock the cheapest flights and the best airfares from Saint Louis to United States. Make your dream trip both memorable and affordable!

Sat, Jul 4STL-ATL
Frontier Airlines

oneway$31

Wed, Aug 19STL-BWI
Frontier Airlines

oneway$78

Wed, Jul 29STL-ATL
Frontier Airlines

$85

Wed, Aug 19STL-WAS
Frontier Airlines

oneway$100

Fri, Aug 28STL-CHI
Southwest Airlines

oneway$101

Fri, Jul 10STL-NYC
Frontier Airlines

oneway$114

Wed, Jul 15STL-ONT
Frontier Airlines

oneway$119

Tue, Jul 28STL-CLT
Southwest Airlines

oneway$122

Fri, Sep 25STL-JAX
Frontier Airlines

oneway$132

Fri, Jul 10STL-MSY
Frontier Airlines

oneway$133

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Saint Louis to United States: Flight information

Cheapest flight found$31

Cheapest month to flyJuly

Most popular airlineFrontier Airlines

Average flight duration2h 1m

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