Find Cheap Flights from Seattle/Tacoma Intl to Lambert-St Louis (SEA - STL)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from Seattle/Tacoma Intl to Lambert-St Louis

(Round-trip)
Depart: Tue Sep 5 2017 Return: Sat Sep 9 2017 Trip spans 5 days
Frontier
Frontier
SEA
6:55a
STL
12:49p
5h 54m
1 stop
STL
12:05p
SEA
7:37p
7h 32m
1 stop
Depart: Fri Oct 27 2017 Return: Sat Nov 4 2017 Trip spans 9 days
Major Airline
Major Airline
SEA
10:10p
STL
3:40a
5h 30m
1 stop
STL
8:20a
SEA
4:00p
7h 40m
1 stop
Depart: Wed Sep 6 2017 Return: Mon Sep 11 2017 Trip spans 6 days
Delta
Delta
SEA
8:55p
STL
5:32a
8h 37m
1 stop
STL
2:45p
SEA
9:22p
6h 37m
1 stop
Depart: Mon May 8 2017 Return: Tue May 9 2017 Trip spans 2 days
American Airlines
American Airlines
SEA
10:36a
STL
5:58p
7h 22m
1 stop
STL
1:25p
SEA
10:39p
9h 14m
1 stop
Depart: Sat Aug 26 2017 Return: Sun Aug 27 2017 Trip spans 2 days
Alaska Airlines
Alaska Airlines
SEA
1:35p
STL
5:35p
4h 00m
nonstop
STL
3:20p
SEA
7:25p
4h 05m
nonstop
Depart: Sun May 14 2017 Return: Fri Jun 2 2017 Trip spans 20 days
United
United
SEA
1:20a
STL
9:42a
8h 22m
1 stop
STL
1:35p
SEA
11:13p
9h 38m
1 stop
Depart: Tue Sep 19 2017 Return: Mon Sep 25 2017 Trip spans 7 days
Frontier
Frontier
SEA
6:55a
STL
12:59p
6h 04m
1 stop
STL
12:05p
SEA
7:37p
7h 32m
1 stop
Depart: Thu Sep 7 2017 Return: Tue Sep 12 2017 Trip spans 6 days
Major Airline
Major Airline
SEA
10:10p
STL
3:40a
5h 30m
1 stop
STL
4:57a
SEA
12:08p
7h 11m
1 stop
Depart: Thu Oct 12 2017 Return: Wed Oct 18 2017 Trip spans 7 days
Frontier
Frontier
SEA
6:55a
STL
12:59p
6h 04m
1 stop
STL
12:05p
SEA
7:37p
7h 32m
1 stop
Depart: Fri Sep 8 2017 Return: Tue Sep 19 2017 Trip spans 12 days
Major Airline
Major Airline
SEA
2:55a
STL
8:59a
6h 04m
2 stops
STL
6:35a
SEA
1:22p
6h 47m
2 stops
Depart: Sat Oct 28 2017 Return: Sat Nov 4 2017 Trip spans 8 days
Delta
Delta
SEA
9:10a
STL
4:01p
6h 51m
1 stop
STL
7:11a
SEA
2:05p
6h 54m
1 stop
Depart: Mon Sep 18 2017 Return: Sun Sep 24 2017 Trip spans 7 days
Major Airline
Major Airline
SEA
10:10p
STL
3:40a
5h 30m
1 stop
STL
8:20a
SEA
4:00p
7h 40m
1 stop
Depart: Wed Sep 20 2017 Return: Sun Sep 24 2017 Trip spans 5 days
Frontier
Frontier
SEA
6:55a
STL
5:07p
10h 12m
1 stop
STL
3:45p
SEA
8:02a
16h 17m
1 stop
Depart: Mon Jul 3 2017 Return: Tue Jul 4 2017 Trip spans 2 days
American Airlines
American Airlines
SEA
10:55a
STL
5:58p
7h 03m
1 stop
STL
3:15p
SEA
10:35p
7h 20m
1 stop
Depart: Fri May 5 2017 Return: Tue May 9 2017 Trip spans 5 days
Delta
Delta
SEA
6:18a
STL
12:26p
6h 08m
1 stop
STL
1:45a
SEA
7:33a
5h 48m
1 stop
Depart: Wed Oct 11 2017 Return: Wed Oct 18 2017 Trip spans 8 days
Major Airline
Major Airline
SEA
9:00p
STL
5:33a
8h 33m
1 stop
STL
6:35a
SEA
2:52p
8h 17m
1 stop
Depart: Mon May 15 2017 Return: Fri Jun 2 2017 Trip spans 19 days
United
United
SEA
9:57a
STL
6:45p
8h 48m
1 stop
STL
1:35p
SEA
11:13p
9h 38m
1 stop
Depart: Wed Jul 26 2017 Return: Tue Aug 1 2017 Trip spans 7 days
American Airlines
American Airlines
SEA
10:55a
STL
5:58p
7h 03m
1 stop
STL
3:15p
SEA
10:35p
7h 20m
1 stop
Depart: Tue May 9 2017 Return: Thu May 11 2017 Trip spans 3 days
Delta
Delta
SEA
8:40p
STL
2:14a
5h 34m
1 stop
STL
1:45a
SEA
8:55a
7h 10m
1 stop
Depart: Sat Aug 19 2017 Return: Sun Aug 27 2017 Trip spans 9 days
Alaska Airlines
Alaska Airlines
SEA
1:35p
STL
5:35p
4h 00m
nonstop
STL
3:20p
SEA
7:25p
4h 05m
nonstop
Direct flights SEA to STL on American Airlines
Flight # Depart SEA Arrive STL Sun Mon Tue Wed Thu Fri Sat Valid Between
7123 12:25 pm 6:20 pm May 25 - May 27
7123 12:25 pm 6:14 pm Apr 27 - May 2
7123 12:25 pm 6:14 pm May 1 - May 6
7123 12:25 pm 6:14 pm May 5 - May 7
7123 12:25 pm 6:20 pm May 8 - May 15
7123 12:25 pm 6:20 pm May 9 - May 16
7123 12:25 pm 6:20 pm May 17 - May 24
7123 12:25 pm 6:20 pm May 18 - May 22
7123 12:25 pm 6:20 pm May 26 - Jun 1
7019 5:25 pm 11:16 pm May 28 - May 28
7019 5:55 pm 11:40 pm Apr 27 - May 1
7019 5:55 pm 11:40 pm Apr 28 - May 7
7019 5:55 pm 11:46 pm May 8 - May 12
7019 5:55 pm 11:46 pm May 14 - May 15
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Airports
Origin

Seattle
$211
Destination

St. Louis
$211
Airlines Airline reviews

40 travelers who booked a flight from Seattle to St. Louis rated their chosen airlines with an average of 8.6.

Overall
8.7
Boarding
8.9
Crew
9.2
Comfort
8.4
Food
7.5
Entertainment
7.8