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Cheap Flights To St Louis, MO

  • TipMay is the cheapest month to fly to St Louis

Best Deals to St Louis Last modified: Apr 24, 2018 5:26 -04:00Prices shown were found by travelers like you over the past 30 days

We've scanned 55,476,926,674 round trip itineraries and found the cheapest flights to St Louis. American & United frequently offer the best deals to St Louis flights, or select your preferred carrier below to see the cheapest days to fly.

American
MIASTL
Tue 5/8
nonstop
STLMIA
Tue 5/15
nonstop
United
DENSTL
Tue 5/1
nonstop
STLDEN
Wed 5/2
nonstop
$117
American
PHXSTL
Tue 5/8
1 stop
STLPHX
Sat 5/12
1 stop
$129
Frontier
SLCSTL
Wed 5/9
1 stop
STLSLC
Tue 5/15
1 stop
$270
American
SHASTL
Wed 4/25
1 stop
STLSHA
Wed 5/2
1 stop
$677

Airports near St Louis

Lambert International

Cheap Flights from St Louis (STL)

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On FareCompare, you’ll find cheap flights for domestic and international travel. Since airlines change flight prices constantly, sign up for Fare Alerts and let FareCompare’s travel search engine monitor airline ticket prices of all major airlines, so you’ll be first in line to get the cheapest tickets.
Cheap Flights to St Louis from $81 round trip (STL) - FareCompare