From
To
City
Select sites to compare prices
Enter your destination to continue
Enter your travel dates to continue
Select at least 3 sites to continue
Select your depart date
Select your return date

Find Flights

Search

Cheap Flights To St Louis, MO

  • TipMarch is the cheapest month to fly to St Louis
  • Tip$70 is the average round-trip fare price from OWB to STL

Best Deals to St Louis Last modified: Feb 28, 2017 0:32 -05:00Prices shown were found by travelers like you over the past 30 days

We've scanned 13,581,506,728 round trip itineraries and found the cheapest flights to St Louis. Frontier & Alaska frequently offer the best deals to St Louis flights, or select your preferred carrier below to see the cheapest days to fly.

Frontier
ATLSTL
Sun 4/23
nonstop
STLATL
Tue 4/25
nonstop
Alaska
DFWSTL
Sat 4/29
nonstop
STLDFW
Sat 5/6
nonstop
$241
United
HOUSTL
Tue 3/21
nonstop
STLHOU
Tue 3/28
nonstop
$259
American
SHASTL
Sat 3/11
1 stop
STLSHA
Sun 3/12
1 stop
$560
American
BJSSTL
Sun 3/5
2 stops
STLBJS
Thu 3/9
2 stops
$615

Airports near St Louis

Lambert International

Cheap Flights from St Louis (STL)

Looking for somewhere to go? Start here.

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