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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
$374
Delta Airlines• 1 stop • 9h 16mFeb 14 – Feb 20
The cheapest round trip flight from Baltimore/Washington International Thurgood Marsha to Lambert St Louis International is currently $374
Cheapest One way Flight
$289
Southwest Airlines• 1 stop• 20h 10mFeb 17
The cheapest one way flight from Los Angeles International to Lambert St Louis International is currently $289
Cheapest Direct Flight
$626
American Airlines• nonstop• 4h 6mFeb 14
The cheapest nonstop flight from Ronald Reagan Washington National to Lambert St Louis International is currently $626
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 14 - Feb 20, Economy
Baltimore → St Louis
9h 16m
11:00 AM - 3:56 PM • 1 stop
Baltimore → St Louis
7h 28m
6:47 PM - 12:35 AM • 1 stop
Delta Airlines
Feb 14 - Feb 20, Economy
Baltimore → St Louis
10h 55m
2:05 PM - 8:00 PM • 1 stop
Baltimore → St Louis
5h 35m
5:25 PM - 10:00 PM • 1 stop
Southwest Airlines
Feb 14 - Feb 20, Economy
Baltimore → St Louis
15h 10m
3:20 PM - 11:30 PM • 1 stop
Baltimore → St Louis
10h 55m
4:35 PM - 12:30 AM • 1 stop
Southwest Airlines
Feb 14 - Feb 20, Economy
Baltimore → St Louis
10h 50m
3:20 PM - 9:10 PM • 1 stop
Baltimore → St Louis
10h 55m
4:35 PM - 12:30 AM • 1 stop
Southwest Airlines
Feb 14 - Feb 20, Economy
Baltimore → St Louis
10h
2:55 PM - 7:55 PM • 1 stop
Baltimore → St Louis
11h 40m
4:15 PM - 12:15 AM • 1 stop
Southwest Airlines
For travel requiring no set return, access available one-way flights to St Louis (STL). These options support extended stays or open-ended plans.
Need to travel to St Louis soon? View current last-minute flight options to STL for spontaneous or pressing plans.
Feb 13 - Feb 22, Economy
Detroit → St Louis
14h 10m
12:55 PM - 8:45 PM • 1 stop
Detroit → St Louis
2h 10m
8:10 PM - 10:40 PM • nonstop
Southwest Airlines
Feb 13 - Feb 22, Economy
Detroit → St Louis
14h 10m
12:55 PM - 8:45 PM • 1 stop
Detroit → St Louis
21h 50m
10:35 AM - 12:45 AM • 2 stops
Southwest Airlines
Feb 13 - Feb 22, Economy
Detroit → St Louis
19h 10m
12:25 PM - 11:15 PM • 1 stop
Detroit → St Louis
2h 10m
8:10 PM - 10:40 PM • nonstop
Southwest Airlines
Feb 13 - Feb 22, Economy
Detroit → St Louis
19h 10m
12:25 PM - 11:15 PM • 1 stop
Detroit → St Louis
15h 40m
2:05 PM - 12:45 AM • 1 stop
Southwest Airlines
Feb 13 - Feb 22, Economy
Detroit → St Louis
19h 10m
12:25 PM - 11:15 PM • 1 stop
Detroit → St Louis
21h 50m
10:35 AM - 12:45 AM • 2 stops
Southwest Airlines
Maximize your time in St Louis, not in transit. Discover non-stop direct flights to STL for the quickest, most straightforward journey to the Strip.
Feb 14 - Feb 20, Economy
Washington → St Louis
4h 6m
7:51 PM - 9:37 PM • nonstop
Washington → St Louis
3h 28m
9:36 AM - 12:44 PM • nonstop
American Airlines
Feb 14 - Feb 20, Economy
Washington → St Louis
3h 50m
6:35 PM - 8:05 PM • nonstop
Washington → St Louis
3h 25m
5:55 AM - 9:00 AM • nonstop
Southwest Airlines
Feb 14 - Feb 20, Economy
Washington → St Louis
3h 50m
12:15 PM - 1:45 PM • nonstop
Washington → St Louis
2h 35m
8:55 AM - 11:50 AM • nonstop
Southwest Airlines
Feb 14 - Feb 20, Economy
Baltimore → St Louis
3h 50m
6:20 PM - 7:50 PM • nonstop
Baltimore → St Louis
2h 35m
7:35 PM - 10:30 PM • nonstop
Southwest Airlines
Feb 14 - Feb 20, Economy
Baltimore → St Louis
3h 50m
2:40 PM - 4:10 PM • nonstop
Baltimore → St Louis
2h 35m
3:25 PM - 6:20 PM • nonstop
Southwest Airlines
Destination Airport Information
| IATA Code | STL |
| Name | Lambert St Louis International |
| City | St Louis |
| Country | US |
| Latitude | 38.74869918823242 |
| Longitude | -90.37000274658203 |
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