Find Cheap Flights from Lambert-St Louis to Seattle

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

(Round-trip)
Depart: Tue Sep 5 2017 Return: Tue Sep 12 2017 Trip spans 8 days
Frontier
Frontier
STL
9:40a
SEA
7:57a
22h 17m
1 stop
SEA
6:50a
STL
5:10p
10h 20m
1 stop
Depart: Wed Aug 16 2017 Return: Mon Aug 21 2017 Trip spans 6 days
Delta
Delta
STL
2:43a
SEA
8:50a
6h 07m
1 stop
SEA
9:25a
STL
6:16p
8h 51m
1 stop
Depart: Mon Nov 6 2017 Return: Thu Nov 16 2017 Trip spans 11 days
Alaska Airlines
Alaska Airlines
STL
2:20p
SEA
6:46p
4h 26m
nonstop
SEA
7:25a
STL
11:13a
3h 48m
nonstop
Depart: Tue Aug 22 2017 Return: Sat Aug 26 2017 Trip spans 5 days
United
United
STL
2:00a
SEA
11:18a
9h 18m
1 stop
SEA
2:20p
STL
11:24p
9h 04m
1 stop
Depart: Wed Sep 6 2017 Return: Tue Sep 12 2017 Trip spans 7 days
Frontier
Frontier
STL
9:40a
SEA
8:02a
22h 22m
1 stop
SEA
6:50a
STL
5:10p
10h 20m
1 stop
Depart: Thu Aug 17 2017 Return: Tue Aug 22 2017 Trip spans 6 days
Delta
Delta
STL
2:43a
SEA
10:21a
7h 38m
1 stop
SEA
12:45p
STL
6:16p
5h 31m
1 stop
Depart: Sat Sep 9 2017 Return: Tue Sep 12 2017 Trip spans 4 days
Frontier
Frontier
STL
9:50a
SEA
7:37p
9h 47m
1 stop
SEA
6:50a
STL
5:10p
10h 20m
1 stop
Depart: Fri Aug 18 2017 Return: Sat Aug 26 2017 Trip spans 9 days
Delta
Delta
STL
12:45p
SEA
9:54p
9h 09m
1 stop
SEA
6:25a
STL
2:52p
8h 27m
1 stop
Depart: Sat Sep 16 2017 Return: Sat Sep 23 2017 Trip spans 8 days
Frontier
Frontier
STL
9:50a
SEA
7:37p
9h 47m
1 stop
SEA
6:50a
STL
5:10p
10h 20m
1 stop
Depart: Tue Nov 7 2017 Return: Mon Nov 13 2017 Trip spans 7 days
Alaska Airlines
Alaska Airlines
STL
2:20p
SEA
6:46p
4h 26m
nonstop
SEA
6:15p
STL
1:43a
7h 28m
1 stop
Depart: Mon Aug 21 2017 Return: Tue Aug 22 2017 Trip spans 2 days
Delta
Delta
STL
2:43a
SEA
10:21a
7h 38m
1 stop
SEA
12:45p
STL
6:16p
5h 31m
1 stop
Depart: Tue Sep 19 2017 Return: Sat Sep 23 2017 Trip spans 5 days
Frontier
Frontier
STL
9:50a
SEA
8:02a
22h 12m
1 stop
SEA
6:50a
STL
5:10p
10h 20m
1 stop
Depart: Wed Nov 8 2017 Return: Mon Nov 13 2017 Trip spans 6 days
Alaska Airlines
Alaska Airlines
STL
2:20p
SEA
6:46p
4h 26m
nonstop
SEA
6:15p
STL
1:43a
7h 28m
1 stop
Depart: Wed Aug 23 2017 Return: Tue Aug 29 2017 Trip spans 7 days
Delta
Delta
STL
2:45p
SEA
9:54p
7h 09m
1 stop
SEA
12:49p
STL
6:21p
5h 32m
1 stop
Depart: Wed Sep 20 2017 Return: Sat Sep 23 2017 Trip spans 4 days
Frontier
Frontier
STL
9:50a
SEA
7:37p
9h 47m
1 stop
SEA
6:50a
STL
5:10p
10h 20m
1 stop
Depart: Tue Jan 2 2018 Return: Mon Jan 8 2018 Trip spans 7 days
United
United
STL
12:30p
SEA
9:51p
9h 21m
1 stop
SEA
7:53p
STL
1:47a
5h 54m
1 stop
Depart: Thu Aug 24 2017 Return: Mon Aug 28 2017 Trip spans 5 days
Delta
Delta
STL
1:45a
SEA
11:17a
9h 32m
1 stop
SEA
12:49p
STL
6:19p
5h 30m
1 stop
Depart: Thu Nov 9 2017 Return: Sun Nov 12 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
STL
2:20p
SEA
6:46p
4h 26m
nonstop
SEA
7:25a
STL
11:13a
3h 48m
nonstop
Depart: Sat Sep 23 2017 Return: Tue Sep 26 2017 Trip spans 4 days
Frontier
Frontier
STL
9:50a
SEA
7:37p
9h 47m
1 stop
SEA
6:50a
STL
5:10p
10h 20m
1 stop
Depart: Fri Aug 25 2017 Return: Tue Aug 29 2017 Trip spans 5 days
Delta
Delta
STL
9:50a
SEA
7:45p
9h 55m
1 stop
SEA
12:49p
STL
6:21p
5h 32m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Airports
Origin

St. Louis
$284
Destination

Seattle
$284
Airlines Airline reviews

41 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
8.3
Entertainment
8.6