Search Flights to St Louis (STL)

Good to Know: Flights to STL

Useful information for finding cheap flights to Lambert St Louis International and booking your next trip

Cheapest Round Trip Flight

$420

WNSouthwest Airlinesβ€’ 1 stop β€’ 8h 55m

Feb 12 – Feb 15

The cheapest round trip flight from Baltimore/Washington International Thurgood Marsha to Lambert St Louis International is currently $420

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Cheapest One way Flight

$538

WNSouthwest Airlinesβ€’ 1 stopβ€’ 28h 40m

Feb 05

The cheapest one way flight from San Antonio International to Lambert St Louis International is currently $538

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Cheapest Direct Flight

$693

AAAmerican Airlinesβ€’ nonstopβ€’ 4h 6m

Feb 12

The cheapest nonstop flight from Ronald Reagan Washington National to Lambert St Louis International is currently $693

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Fastest Flight

3h 50m

The fastest nonstop flight from Ronald Reagan Washington National to Lambert St Louis International takes 3h 50m

Best Flight Deals to St Louis

Identify the most efficient round-trip flights to St Louis. We present options balancing cost and convenience for your return journey.

Feb 12 - Feb 15, Economy
WN
Baltimore β†’ St Louis
8h 55m
7:35 AM - 12:10 PM β€’ 1 stop
WN
Baltimore β†’ St Louis
16h 50m
10:45 AM - 9:55 PM β€’ 1 stop
$420
Southwest Airlines
Feb 12 - Feb 15, Economy
WN
Baltimore β†’ St Louis
13h 25m
7:35 AM - 2:40 PM β€’ 1 stop
WN
Baltimore β†’ St Louis
9h 15m
11:25 AM - 6:20 PM β€’ 1 stop
$439
Southwest Airlines
Feb 12 - Feb 15, Economy
WN
Baltimore β†’ St Louis
8h 55m
7:35 AM - 12:10 PM β€’ 1 stop
WN
Baltimore β†’ St Louis
18h 35m
9:40 AM - 9:55 PM β€’ 2 stops
$445
Southwest Airlines
Feb 12 - Feb 15, Economy
WN
Baltimore β†’ St Louis
8h 40m
10:20 AM - 2:40 PM β€’ 1 stop
WN
Baltimore β†’ St Louis
18h 45m
5:20 PM - 5:45 AM β€’ 2 stops
$445
Southwest Airlines
Feb 12 - Feb 15, Economy
WN
Baltimore β†’ St Louis
13h 25m
7:35 AM - 2:40 PM β€’ 1 stop
WN
Baltimore β†’ St Louis
15h 25m
9:45 AM - 8:10 PM β€’ 2 stops
$445
Southwest Airlines
Feb 12 - Feb 15, Economy
WN
Baltimore β†’ St Louis
3h 55m
7:35 AM - 9:10 AM β€’ nonstop
WN
Baltimore β†’ St Louis
2h 35m
1:05 PM - 4:00 PM β€’ nonstop
$712
Southwest Airlines

Compare & Book Cheapest Flights to St Louis, STL

Looking for a cheap last-minute deal or the best round-trip flight to St Louis? Find the biggest savings on one-way and round-trip tickets right here.

Destination Airport Information

IATA CodeSTL
NameLambert St Louis International
CitySt Louis
CountryUS
Latitude38.74869918823242
Longitude-90.37000274658203

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