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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
$545
Southwest Airlines• 1 stop • 7h 25mMar 22 – Mar 29
The cheapest round trip flight from Chicago Midway International to Lambert St Louis International is currently $545
Cheapest One way Flight
$1793
United Airlines• 2 stops• 50h 59mMar 23
The cheapest one way flight from Rome All Airport to Lambert St Louis International is currently $1793
Cheapest Direct Flight
$589
American Airlines• nonstop• 1h 54mMar 22
The cheapest nonstop flight from Chicago Midway International to Lambert St Louis International is currently $589
Fastest Flight
1h 54m
The fastest nonstop flight from Chicago Midway International to Lambert St Louis International takes 1h 54m
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 22 - Mar 29, Economy
Chicago → St Louis
7h 25m
4:00 PM - 8:45 PM • 1 stop
Chicago → St Louis
1h 50m
5:20 AM - 6:30 AM • nonstop
Southwest Airlines
Mar 22 - Mar 29, Economy
Chicago → St Louis
13h 35m
4:00 PM - 12:15 AM • 1 stop
Chicago → St Louis
1h 50m
5:20 AM - 6:30 AM • nonstop
Southwest Airlines
Mar 22 - Mar 29, Economy
Chicago → St Louis
13h 35m
4:00 PM - 12:15 AM • 1 stop
Chicago → St Louis
20h 45m
9:35 PM - 10:20 AM • 1 stop
Southwest Airlines
Mar 22 - Mar 29, Economy
Chicago → St Louis
5h 10m
3:40 PM - 6:50 PM • 1 stop
Chicago → St Louis
7h 25m
8:05 AM - 12:50 PM • 1 stop
Southwest Airlines
Mar 22 - Mar 29, Economy
Chicago → St Louis
5h 10m
3:40 PM - 6:50 PM • 1 stop
Chicago → St Louis
1h 50m
11:00 AM - 12:10 PM • nonstop
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.
Mar 21 - Mar 30, Economy
Boise → St Louis
7h 15m
4:25 PM - 10:00 PM • 1 stop
Boise → St Louis
8h 35m
6:15 AM - 10:30 AM • 1 stop
Southwest Airlines
Mar 21 - Mar 26, Economy
Fort Lauderdale → St Louis
- • 1 stop
Fort Lauderdale → St Louis
- • 1 stop
American Airlines
Mar 21 - Mar 26, Economy
Fort Lauderdale → St Louis
- • 1 stop
Fort Lauderdale → St Louis
- • 1 stop
American 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.
Mar 22 - Mar 29, Economy
Chicago → St Louis
1h 54m
10:30 PM - 11:44 PM • nonstop
Chicago → St Louis
2h 9m
6:30 AM - 7:59 AM • nonstop
American Airlines
Mar 22 - Mar 29, Economy
Chicago → St Louis
2h 5m
7:42 PM - 9:07 PM • nonstop
Chicago → St Louis
1h 50m
5:20 AM - 6:30 AM • nonstop
United Airlines
Mar 22 - Mar 29, Economy
Chicago → St Louis
2h
4:40 PM - 6:00 PM • nonstop
Chicago → St Louis
2h 9m
6:33 PM - 8:02 PM • nonstop
American Airlines
Mar 22 - Mar 29, Economy
Chicago → St Louis
2h 5m
7:46 PM - 9:11 PM • nonstop
Chicago → St Louis
2h 11m
8:00 AM - 9:31 AM • nonstop
American Airlines
Mar 22 - Mar 29, Economy
Chicago → St Louis
1h 55m
5:50 PM - 7:05 PM • nonstop
Chicago → St Louis
2h 4m
2:19 PM - 3:43 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 |
Popular Airlines
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