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

$306

WNSouthwest Airlines• nonstop • 3h 45m

May 05 – May 10

The cheapest round trip flight from Baltimore/Washington International Thurgood Marsha to Lambert St Louis International is currently $306

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Cheapest One way Flight

$244

DLDelta Airlines• 1 stop• 10h 25m

Mar 28

The cheapest one way flight from Palm Beach International to Lambert St Louis International is currently $244

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Cheapest Direct Flight

$383

WNSouthwest Airlines• nonstop• 3h 40m

May 05

The cheapest nonstop flight from Baltimore/Washington International Thurgood Marsha to Lambert St Louis International is currently $383

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Fastest Flight

3h 40m

The fastest nonstop flight from Baltimore/Washington International Thurgood Marsha to Lambert St Louis International takes 3h 40m

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.

May 05 - May 10, Economy
WN
Baltimore → St Louis
3h 45m
7:40 PM - 9:05 PM • nonstop
WN
Baltimore → St Louis
8h 50m
11:00 AM - 5:30 PM • 2 stops
$306
Southwest Airlines
May 05 - May 10, Economy
F9
Baltimore → St Louis
20h 30m
9:25 PM - 8:55 AM • 1 stop
F9
Baltimore → St Louis
33h 49m
8:08 PM - 5:37 PM • 2 stops
$442
Frontier Airlines
May 05 - May 10, Economy
F9
Baltimore → St Louis
20h 30m
9:25 PM - 8:55 AM • 1 stop
F9
Baltimore → St Louis
28h 43m
8:08 PM - 2:31 PM • 3 stops
$461
Frontier Airlines
May 05 - May 10, Economy
F9
Baltimore → St Louis
20h 30m
9:25 PM - 8:55 AM • 1 stop
F9
Baltimore → St Louis
33h 47m
6:55 PM - 4:22 PM • 1 stop
$484
Frontier Airlines
May 05 - May 10, Economy
AA
Baltimore → St Louis
7h 34m
7:52 PM - 11:46 PM • 1 stop
AA
Baltimore → St Louis
10h 54m
2:12 PM - 10:06 PM • 1 stop
$544
American Airlines
May 05 - May 10, Economy
NK
Baltimore → St Louis
39h 8m
9:56 PM - 8:44 PM • 3 stops
F9
Baltimore → St Louis
25h 56m
4:19 PM - 9:15 AM • 1 stop
$894
Spirit 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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