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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 24, 2017 0:31 -05:00Prices shown were found by travelers like you over the past 30 days

We've scanned 29,728,241,527 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
Tue 4/18
nonstop
Frontier
ATLSTL
Tue 4/25
nonstop
STLATL
Thu 4/27
nonstop
$125
American
MIASTL
Wed 4/5
1 stop
STLMIA
Tue 4/18
1 stop
$249
Alaska
CLTSTL
Wed 4/5
nonstop
STLCLT
Wed 4/12
nonstop
$365
Lufthansa
MANSTL
Wed 3/29
2 stops
STLMAN
Sat 4/1
2 stops
$842

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)