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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
$620
Southwest Airlines• 1 stop • 9h 15mMar 13 – Mar 15
The cheapest round trip flight from San Francisco International to Lambert St Louis International is currently $620
Cheapest One way Flight
$482
United Airlines• 1 stop• 15h 44mMay 22
The cheapest one way flight from Reno Tahoe International to Lambert St Louis International is currently $482
Cheapest Direct Flight
$581
Southwest Airlines• nonstop• 3h 50mFeb 17
The cheapest nonstop flight from Ronald Reagan Washington National to Lambert St Louis International is currently $581
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.
Mar 13 - Mar 15, Economy
San Francisco → St Louis
9h 15m
4:55 PM - 12:50 AM • 1 stop
San Francisco → St Louis
7h 5m
12:30 PM - 2:55 PM • nonstop
Southwest Airlines
Mar 13 - Mar 15, Economy
San Francisco → St Louis
10h 55m
3:10 PM - 12:05 AM • 1 stop
San Francisco → St Louis
11h 40m
7:10 PM - 12:10 AM • 1 stop
Southwest Airlines
Mar 13 - Mar 15, Economy
San Francisco → St Louis
10h 55m
3:10 PM - 12:05 AM • 1 stop
San Francisco → St Louis
7h 5m
12:30 PM - 2:55 PM • nonstop
Southwest Airlines
Mar 13 - Mar 15, Economy
San Francisco → St Louis
15h 30m
1:35 PM - 1:05 AM • 1 stop
San Francisco → St Louis
7h 5m
12:30 PM - 2:55 PM • nonstop
Southwest Airlines
Mar 13 - Mar 15, Economy
San Francisco → St Louis
12h 18m
2:20 PM - 11:58 PM • 1 stop
San Francisco → St Louis
9h 17m
2:22 PM - 6:19 PM • 1 stop
Delta 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 14 - Feb 20, Economy
Detroit → St Louis
52h 31m
5:08 PM - 11:59 PM • 2 stops
Detroit → St Louis
18h 32m
8:20 PM - 8:32 AM • 1 stop
Frontier Airlines
Feb 14 - Feb 20, Economy
Detroit → St Louis
52h 31m
5:08 PM - 11:59 PM • 2 stops
Detroit → St Louis
23h 38m
8:20 PM - 11:38 AM • 2 stops
Frontier Airlines
Feb 14 - Feb 20, Economy
Detroit → St Louis
11h 50m
5:20 PM - 11:30 PM • 1 stop
Detroit → St Louis
2h 10m
8:10 PM - 10:40 PM • nonstop
Southwest Airlines
Feb 14 - Feb 20, Economy
Detroit → St Louis
11h 50m
5:20 PM - 11:30 PM • 1 stop
Detroit → St Louis
12h 30m
3:05 PM - 11:55 PM • 1 stop
Southwest Airlines
Feb 14 - Feb 20, Economy
Detroit → St Louis
6h 55m
4:45 PM - 8:00 PM • 1 stop
Detroit → St Louis
15h 40m
2:05 PM - 12:45 AM • 1 stop
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 17 - Feb 23, Economy
Washington → St Louis
3h 50m
6:35 PM - 8:05 PM • nonstop
Washington → St Louis
2h 35m
7:35 PM - 10:30 PM • nonstop
Southwest Airlines
Mar 13 - Mar 15, Economy
San Francisco → St Louis
5h 45m
10:10 AM - 3:55 PM • nonstop
San Francisco → St Louis
7h 5m
12:30 PM - 2:55 PM • nonstop
Southwest Airlines
Feb 17 - Feb 23, Economy
Washington → St Louis
3h 54m
1:44 PM - 3:18 PM • nonstop
Washington → St Louis
3h 28m
9:36 AM - 12:44 PM • nonstop
American Airlines
Feb 17 - Feb 23, 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 17 - Feb 23, Economy
Washington → St Louis
3h 58m
6:45 PM - 8:23 PM • nonstop
Washington → St Louis
3h 30m
8:30 AM - 11:40 AM • nonstop
United Airlines
Destination Airport Information
| IATA Code | STL |
| Name | Lambert St Louis International |
| City | St Louis |
| Country | US |
| Latitude | 38.74869918823242 |
| Longitude | -90.37000274658203 |
Popular Airlines
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