Cheap Flights To St Louis, MO

Did you mean flights from St Louis?
  • TipMarch is the cheapest month to fly to St Louis

Best Deals to St Louis Last modified: Mar 24, 2020 5:49 -04:00

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

American
DENSTL
Wed 2/19
1 stop
STLDEN
Mon 2/24
1 stop
$115
American
WASSTL
Sat 3/21
nonstop
STLWAS
Mon 3/23
nonstop
$157
American
NYCSTL
Mon 3/23
nonstop
STLNYC
Tue 3/24
nonstop
$157
Frontier
PHXSTL
Wed 2/19
2 stops
STLPHX
Sat 2/29
2 stops
$206
Frontier
LAXSTL
Mon 2/24
1 stop
STLLAX
Fri 2/28
1 stop
$238

Airports near St Louis

Lambert International

Cheap Flights from St Louis (STL)

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Cheap Flights to St Louis from $64 round trip (STL) - FareCompare