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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
$474
American Airlines• 1 stop • 15h 28mMay 30 – Jun 20
The cheapest round trip flight from Seattle Tacoma International to Lambert St Louis International is currently $474
Cheapest One way Flight
$222
Southwest Airlines• 1 stop• 9h 15mFeb 14
The cheapest one way flight from Dallas Love Field to Lambert St Louis International is currently $222
Cheapest Direct Flight
$269
Alaska Airlines• nonstop• 6h 42mMay 30
The cheapest nonstop flight from Seattle Tacoma International to Lambert St Louis International is currently $269
Fastest Flight
5h 26m
The fastest nonstop flight from McGhee Tyson to Lambert St Louis International takes 5h 26m
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.
May 30 - Jun 20, Economy
Seattle → St Louis
15h 28m
5:05 AM - 4:33 PM • 1 stop
Seattle → St Louis
7h 10m
7:30 PM - 10:00 PM • nonstop
American Airlines
May 30 - Jun 20, Economy
Seattle → St Louis
13h 34m
5:07 AM - 3:21 PM • 2 stops
Seattle → St Louis
10h 39m
5:20 AM - 9:59 AM • 1 stop
United Airlines
May 30 - Jun 20, Economy
Seattle → St Louis
21h 50m
5:10 AM - 8:20 PM • 2 stops
Seattle → St Louis
25h 15m
10:15 AM - 11:30 PM • 2 stops
Southwest Airlines
May 30 - Jun 20, Economy
Seattle → St Louis
16h 45m
5:15 AM - 5:20 PM • 1 stop
Seattle → St Louis
7h 10m
7:30 PM - 10:00 PM • nonstop
American Airlines
May 30 - Jun 20, Economy
Seattle → St Louis
8h 56m
5:07 AM - 12:43 PM • 1 stop
Seattle → St Louis
11h 40m
5:00 AM - 10:00 AM • 1 stop
United 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 17 - Jan 24, Economy
Knoxville → St Louis
9h 13m
- • 1 stop
Knoxville → St Louis
7h 22m
- • 1 stop
American Airlines
Jan 17 - Jan 24, Economy
Knoxville → St Louis
9h 13m
10:11 AM - 3:04 PM • 1 stop
Knoxville → St Louis
7h 7m
3:54 PM - 9:21 PM • 1 stop
American Airlines
Jan 17 - Jan 24, Economy
Knoxville → St Louis
5h 26m
11:07 AM - 2:28 PM • 1 stop
Knoxville → St Louis
8h 57m
8:45 AM - 10:31 PM • 1 stop
United Airlines
Jan 17 - Jan 24, Economy
Knoxville → St Louis
9h 16m
11:07 AM - 4:03 PM • 1 stop
Knoxville → St Louis
9h 3m
12:44 PM - 7:27 PM • 1 stop
United Airlines
Jan 17 - Jan 24, Economy
Knoxville → St Louis
15h 20m
11:07 AM - 7:27 PM • 1 stop
Knoxville → St Louis
30h 21m
3:11 PM - 10:32 AM • 1 stop
United 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.
May 30 - Jun 20, Economy
Seattle → St Louis
6h 42m
9:48 AM - 3:50 PM • nonstop
Seattle → St Louis
7h 10m
7:30 PM - 10:00 PM • nonstop
Alaska Airlines
May 30 - Jun 20, Economy
Seattle → St Louis
6h 42m
5:55 PM - 11:57 PM • nonstop
Seattle → St Louis
7h 10m
7:30 PM - 10:00 PM • nonstop
Alaska Airlines
May 30 - Jun 20, Economy
Seattle → St Louis
5h 59m
1:01 PM - 7:00 PM • nonstop
Seattle → St Louis
7h 10m
7:30 PM - 10:00 PM • nonstop
Alaska Airlines
May 30 - Jun 20, Economy
Seattle → St Louis
6h 42m
9:48 AM - 3:50 PM • nonstop
Seattle → St Louis
7h 10m
7:30 PM - 10:00 PM • nonstop
American Airlines
May 30 - Jun 20, Economy
Seattle → St Louis
6h 42m
5:55 PM - 11:57 PM • nonstop
Seattle → St Louis
7h 10m
7:30 PM - 10:00 PM • nonstop
American 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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