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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
$198
Delta Airlines• 1 stop • 7h 14mNov 04 – Nov 16
The cheapest round trip flight from Philadelphia International to Lambert St Louis International is currently $198
Cheapest One way Flight
$539
Southwest Airlines• 2 stops• 18h 50mAug 16
The cheapest one way flight from Reno Tahoe International to Lambert St Louis International is currently $539
Cheapest Direct Flight
$224
Frontier Airlines• nonstop• 15h 52mSep 04
The cheapest nonstop flight from Denver International to Lambert St Louis International is currently $224
Fastest Flight
3h 20m
The fastest nonstop flight from Denver International to Lambert St Louis International takes 3h 20m
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.
Nov 04 - Nov 16, Economy
Philadelphia → St Louis
7h 14m
6:10 AM - 9:44 AM • 1 stop
Philadelphia → St Louis
6h 55m
6:00 PM - 11:15 PM • 1 stop
Delta Airlines
Nov 04 - Nov 16, Economy
Philadelphia → St Louis
7h 18m
7:13 AM - 10:51 AM • 1 stop
Philadelphia → St Louis
8h 44m
2:31 PM - 8:55 PM • 1 stop
Delta Airlines
Nov 04 - Nov 16, Economy
Philadelphia → St Louis
9h 9m
8:50 AM - 1:39 PM • 1 stop
Philadelphia → St Louis
8h 44m
2:31 PM - 8:55 PM • 1 stop
Delta Airlines
Nov 04 - Nov 16, Economy
Philadelphia → St Louis
9h 11m
6:00 AM - 10:51 AM • 1 stop
Philadelphia → St Louis
36h 45m
6:40 AM - 5:45 AM • 2 stops
Delta Airlines
Nov 04 - Nov 16, Economy
Philadelphia → St Louis
12h 6m
7:13 AM - 1:39 PM • 1 stop
Philadelphia → St Louis
36h 45m
6:40 AM - 5:45 AM • 2 stops
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.
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.
Sep 04 - Sep 06, Economy
Denver → St Louis
15h 52m
4:00 PM - 7:13 PM • nonstop
Denver → St Louis
3h 47m
7:58 PM - 9:25 PM • nonstop
Frontier Airlines
Sep 04 - Sep 06, Economy
Denver → St Louis
3h 30m
6:50 PM - 10:00 PM • nonstop
Denver → St Louis
3h 35m
1:25 PM - 2:40 PM • nonstop
Southwest Airlines
Sep 04 - Sep 06, Economy
Denver → St Louis
3h 20m
6:45 AM - 9:45 AM • nonstop
Denver → St Louis
3h 35m
7:45 PM - 9:00 PM • nonstop
Southwest Airlines
Sep 04 - Sep 06, Economy
Denver → St Louis
3h 30m
8:05 PM - 11:15 PM • nonstop
Denver → St Louis
3h 35m
7:45 PM - 9:00 PM • nonstop
Southwest Airlines
Sep 04 - Sep 06, Economy
Denver → St Louis
3h 25m
8:05 AM - 11:10 AM • nonstop
Denver → St Louis
3h 35m
1:25 PM - 2:40 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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