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

$449

WNSouthwest Airlinesβ€’ 2 stops β€’ 17h 20m

Dec 18 – Dec 29

The cheapest round trip flight from Portland International Jetport to Lambert St Louis International is currently $449

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Cheapest One way Flight

$215

WNSouthwest Airlinesβ€’ 1 stopβ€’ 12h 20m

Dec 07

The cheapest one way flight from McCarran International to Lambert St Louis International is currently $215

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Cheapest Direct Flight

$332

AAAmerican Airlinesβ€’ nonstopβ€’ 4h 15m

Dec 15

The cheapest nonstop flight from La Guardia to Lambert St Louis International is currently $332

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Fastest Flight

4h 10m

The fastest nonstop flight from La Guardia to Lambert St Louis International takes 4h 10m

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.

Dec 18 - Dec 29, Economy
WN
Portland β†’ St Louis
17h 20m
11:50 AM - 9:30 PM β€’ 2 stops
WN
Portland β†’ St Louis
32h
8:35 PM - 4:55 PM β€’ 2 stops
$449
Southwest Airlines
Dec 18 - Dec 29, Economy
DL
Portland β†’ St Louis
16h 44m
12:53 PM - 9:57 PM β€’ 2 stops
DL
Portland β†’ St Louis
7h 27m
6:29 AM - 12:16 PM β€’ 1 stop
$823
Delta Airlines
Dec 18 - Dec 29, Economy
DL
Portland β†’ St Louis
8h 37m
12:53 PM - 5:10 PM β€’ 1 stop
DL
Portland β†’ St Louis
10h 26m
3:17 PM - 10:43 PM β€’ 1 stop
$935
Delta Airlines
Dec 18 - Dec 29, Economy
DL
Portland β†’ St Louis
- β€’ 1 stop
DL
Portland β†’ St Louis
- β€’ 1 stop
$954
Delta Airlines
Dec 18 - Dec 29, Economy
AA
Portland β†’ St Louis
- β€’ 1 stop
AA
Portland β†’ St Louis
- β€’ 1 stop
$1050
American Airlines
Dec 18 - Dec 29, Economy
UA
Portland β†’ St Louis
34h 14m
2:14 PM - 10:08 AM β€’ 1 stop
UA
Portland β†’ St Louis
8h 59m
7:00 AM - 1:39 PM β€’ 1 stop
$1183
United 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

Popular Airlines

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