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

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 Lambert-St Louis to Seattle/Tacoma Intl

(Round-trip)
Depart: Tue Aug 22 2017 Return: Wed Aug 23 2017 Trip spans 2 days
Major Airline
Major Airline
STL
10:30p
SEA
7:58a
9h 28m
1 stop
SEA
10:44a
STL
1:01p
26h 17m
1 stop
Depart: Sat Sep 16 2017 Return: Sat Sep 30 2017 Trip spans 15 days
Alaska Airlines
Alaska Airlines
STL
1:04p
SEA
5:49p
4h 45m
nonstop
SEA
11:30a
STL
3:24p
3h 54m
nonstop
Depart: Wed Sep 13 2017 Return: Wed Sep 27 2017 Trip spans 15 days
Frontier
Frontier
STL
12:05p
SEA
7:37p
7h 32m
1 stop
SEA
6:55a
STL
5:07p
10h 12m
1 stop
Depart: Tue Aug 8 2017 Return: Tue Aug 22 2017 Trip spans 15 days
Delta
Delta
STL
1:35a
SEA
10:22a
8h 47m
1 stop
SEA
9:25a
STL
6:16p
8h 51m
1 stop
Depart: Wed Sep 6 2017 Return: Mon Sep 11 2017 Trip spans 6 days
United
United
STL
2:20a
SEA
9:45a
7h 25m
1 stop
SEA
12:05p
STL
5:59p
5h 54m
1 stop
Depart: Tue Sep 5 2017 Return: Mon Sep 11 2017 Trip spans 7 days
American Airlines
American Airlines
STL
7:35a
SEA
2:55p
7h 20m
1 stop
SEA
11:00a
STL
5:48p
6h 48m
1 stop
Depart: Tue Nov 7 2017 Return: Wed Nov 8 2017 Trip spans 2 days
Major Airline
Major Airline
STL
8:50p
SEA
6:29a
9h 39m
1 stop
SEA
9:40a
STL
5:35p
7h 55m
1 stop
Depart: Tue Sep 19 2017 Return: Sat Sep 30 2017 Trip spans 12 days
Alaska Airlines
Alaska Airlines
STL
1:04p
SEA
5:49p
4h 45m
nonstop
SEA
11:30a
STL
3:24p
3h 54m
nonstop
Depart: Sat Sep 30 2017 Return: Tue Oct 3 2017 Trip spans 4 days
Frontier
Frontier
STL
12:05p
SEA
7:37p
7h 32m
1 stop
SEA
6:55a
STL
5:07p
10h 12m
1 stop
Depart: Sat Aug 12 2017 Return: Mon Aug 21 2017 Trip spans 10 days
Delta
Delta
STL
1:35a
SEA
10:20a
8h 45m
1 stop
SEA
12:45p
STL
6:16p
5h 31m
1 stop
Depart: Sat Sep 9 2017 Return: Sun Sep 17 2017 Trip spans 9 days
United
United
STL
7:50a
SEA
3:44p
7h 54m
1 stop
SEA
1:45a
STL
8:47a
7h 02m
1 stop
Depart: Mon Sep 18 2017 Return: Sat Sep 30 2017 Trip spans 13 days
Major Airline
Major Airline
STL
12:54a
SEA
5:15a
4h 21m
nonstop
SEA
2:20a
STL
6:03a
3h 43m
nonstop
Depart: Wed Sep 20 2017 Return: Sat Sep 30 2017 Trip spans 11 days
Alaska Airlines
Alaska Airlines
STL
1:04p
SEA
5:49p
4h 45m
nonstop
SEA
6:20a
STL
10:03a
3h 43m
nonstop
Depart: Tue Aug 29 2017 Return: Fri Sep 8 2017 Trip spans 11 days
Frontier
Frontier
STL
9:40a
SEA
3:55p
6h 15m
1 stop
SEA
6:55a
STL
5:07p
10h 12m
1 stop
Depart: Sun Aug 13 2017 Return: Mon Aug 21 2017 Trip spans 9 days
Delta
Delta
STL
1:35a
SEA
7:38a
6h 03m
1 stop
SEA
12:45p
STL
6:16p
5h 31m
1 stop
Depart: Sun Oct 22 2017 Return: Wed Oct 25 2017 Trip spans 4 days
United
United
STL
3:30a
SEA
2:00p
10h 30m
1 stop
SEA
6:55a
STL
4:09p
9h 14m
1 stop
Depart: Sat Sep 23 2017 Return: Sat Sep 30 2017 Trip spans 8 days
Alaska Airlines
Alaska Airlines
STL
1:04p
SEA
5:49p
4h 45m
nonstop
SEA
11:30a
STL
3:24p
3h 54m
nonstop
Depart: Sun Sep 17 2017 Return: Mon Sep 25 2017 Trip spans 9 days
Major Airline
Major Airline
STL
8:05a
SEA
4:02a
19h 57m
1 stop
SEA
2:55a
STL
1:07p
10h 12m
1 stop
Depart: Sun Sep 3 2017 Return: Tue Sep 12 2017 Trip spans 10 days
Frontier
Frontier
STL
9:40a
SEA
3:55p
6h 15m
1 stop
SEA
6:55a
STL
5:07p
10h 12m
1 stop
Depart: Tue Aug 15 2017 Return: Thu Aug 24 2017 Trip spans 10 days
Delta
Delta
STL
2:55p
SEA
9:14p
6h 19m
1 stop
SEA
9:25a
STL
6:16p
8h 51m
1 stop
Direct flights STL to SEA on American Airlines
Flight # Depart STL Arrive SEA Sun Mon Tue Wed Thu Fri Sat Valid Between
7124 7:17 pm 9:38 pm Jul 27 - Jul 31
7124 7:17 pm 9:38 pm Jul 26 - Jul 30
7124 7:17 pm 9:38 pm Jul 19 - Jul 25
7124 7:17 pm 9:38 pm Jul 17 - Jul 24
7124 7:17 pm 9:39 pm Jul 9 - Jul 16
7124 7:17 pm 9:39 pm Jul 8 - Jul 11
7124 7:17 pm 9:39 pm Jun 30 - Jul 7
7124 7:17 pm 9:39 pm Jun 29 - Jul 4
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Airports
Origin

St. Louis
$294
Destination

Seattle
$294
Airlines Airline reviews

39 travelers who booked a flight from St. Louis to Seattle rated their chosen airlines with an average of 8.9.

Overall
9.2
Boarding
9.0
Crew
9.3
Comfort
8.8
Food
8.2
Entertainment
8.6