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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
$451
Southwest Airlines• nonstop • 4h 10mMar 16 – Mar 23
The cheapest round trip flight from Phoenix Sky Harbor International to Lambert St Louis International is currently $451
Cheapest One way Flight
$452
United Airlines• 1 stop• 13h 25mMar 01
The cheapest one way flight from Orlando International to Lambert St Louis International is currently $452
Cheapest Direct Flight
$451
Southwest Airlines• nonstop• 4h 5mMar 16
The cheapest nonstop flight from Phoenix Sky Harbor International to Lambert St Louis International is currently $451
Fastest Flight
4h 5m
The fastest nonstop flight from Phoenix Sky Harbor International to Lambert St Louis International takes 4h 5m
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 16 - Mar 23, Economy
Phoenix → St Louis
4h 10m
2:05 PM - 6:55 PM • nonstop
Phoenix → St Louis
8h 40m
2:25 PM - 5:45 PM • 1 stop
Southwest Airlines
Mar 16 - Mar 23, Economy
Phoenix → St Louis
4h 10m
2:05 PM - 6:55 PM • nonstop
Phoenix → St Louis
5h 30m
9:45 PM - 11:15 PM • nonstop
Southwest Airlines
Mar 16 - Mar 23, Economy
Phoenix → St Louis
4h 13m
12:08 PM - 5:01 PM • nonstop
Phoenix → St Louis
5h 41m
5:46 PM - 7:27 PM • nonstop
Frontier Airlines
Mar 16 - Mar 23, Economy
Phoenix → St Louis
15h 44m
12:15 PM - 11:59 PM • 1 stop
Phoenix → St Louis
15h 32m
4:20 PM - 11:52 PM • 1 stop
Alaska Airlines
Mar 16 - Mar 23, Economy
Phoenix → St Louis
12h 5m
2:00 PM - 11:25 PM • 1 stop
Phoenix → St Louis
10h 16m
2:12 PM - 6:28 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.
Jan 31, Economy
Sarasota/Bradenton → St Louis
20h 55m
8:15 AM - 8:10 PM • 2 stops
Southwest Airlines
Jan 31, Economy
Sarasota/Bradenton → St Louis
20h 50m
8:15 AM - 8:05 PM • 2 stops
Southwest Airlines
Jan 31, Economy
Sarasota/Bradenton → St Louis
18h 55m
8:15 AM - 6:50 PM • 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.
Mar 16 - Mar 23, Economy
Phoenix → St Louis
4h 5m
8:05 PM - 12:50 AM • nonstop
Phoenix → St Louis
5h 30m
2:35 PM - 4:05 PM • nonstop
Southwest Airlines
Mar 16 - Mar 23, Economy
Phoenix → St Louis
4h 10m
5:00 AM - 9:50 AM • nonstop
Phoenix → St Louis
5h 30m
9:45 PM - 11:15 PM • nonstop
Southwest Airlines
Mar 16 - Mar 23, Economy
Phoenix → St Louis
4h 10m
2:05 PM - 6:55 PM • nonstop
Phoenix → St Louis
5h 30m
11:35 AM - 1:05 PM • nonstop
Southwest Airlines
Mar 16 - Mar 23, Economy
Phoenix → St Louis
4h 10m
11:20 AM - 4:10 PM • nonstop
Phoenix → St Louis
5h 30m
9:45 PM - 11:15 PM • nonstop
Southwest Airlines
Mar 16 - Mar 23, Economy
Phoenix → St Louis
4h 13m
12:08 PM - 5:01 PM • nonstop
Phoenix → St Louis
5h 41m
5:46 PM - 7:27 PM • nonstop
Frontier 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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