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Cheap Flights To St Louis, MO

  • TipMarch is the cheapest month to fly to St Louis
  • Tip$74 is the average round-trip fare price from CGI to STL

Best Deals to St Louis Last modified: Feb 25, 2017 0:32 -05:00Prices shown were found by travelers like you over the past 30 days

We've scanned 30,317,171,456 round trip itineraries and found the cheapest flights to St Louis. Frontier & American frequently offer the best deals to St Louis flights, or select your preferred carrier below to see the cheapest days to fly.

Frontier
DENSTL
Sat 4/15
nonstop
STLDEN
Sat 4/22
nonstop
Frontier
ATLSTL
Tue 4/25
nonstop
STLATL
Thu 4/27
nonstop
$125
American
LAXSTL
Thu 3/9
1 stop
STLLAX
Tue 3/21
1 stop
$206
United
SANSTL
Thu 4/6
1 stop
STLSAN
Sun 4/9
1 stop
$214
American
MIASTL
Wed 3/29
1 stop
STLMIA
Sat 4/1
1 stop
$271

Airports near St Louis

Lambert International

Cheap Flights from St Louis (STL)

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Cheap Flights to St Louis - Round trip airfares for St Louis flights (STL)