Cheap Flights To St Louis, MO

  • TipJanuary is the cheapest month to fly to St Louis

Best Deals to St Louis Last modified: Sep 20, 2018 3:52 -04:00Prices shown were found by travelers like you over the past 30 days

We've scanned 48,195,047,545 round trip itineraries and found the cheapest flights to St Louis. Frontier & United frequently offer the best deals to St Louis flights, or select your preferred carrier below to see the cheapest days to fly.

Frontier
DENSTL
Tue 11/6
nonstop
STLDEN
Tue 11/13
nonstop
$107
Frontier
LASSTL
Fri 9/28
nonstop
STLLAS
Sun 9/30
nonstop
$127
United
SFOSTL
Thu 10/4
1 stop
STLSFO
Thu 10/18
1 stop
$164
United
MSPSTL
Mon 11/19
1 stop
STLMSP
Tue 11/27
1 stop
$189
American
DFWSTL
Wed 10/3
nonstop
STLDFW
Thu 10/4
nonstop
$227

Airports near St Louis

Lambert International

Cheap Flights from St Louis (STL)

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Cheap Flights to St Louis from $107 round trip (STL) - FareCompare