Find Deals on 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: Wed Apr 26 2017 Return: Tue May 2 2017 Trip spans 7 days
Frontier
Frontier
STL
9:50a
SEA
7:35p
9h 45m
1 stop
SEA
6:55a
STL
5:07p
10h 12m
1 stop
Depart: Tue Apr 18 2017 Return: Sat Apr 22 2017 Trip spans 5 days
Alaska Airlines
Alaska Airlines
STL
2:25a
SEA
6:44a
4h 19m
nonstop
SEA
8:25a
STL
12:14p
3h 49m
nonstop
Depart: Wed Apr 19 2017 Return: Sat Apr 22 2017 Trip spans 4 days
American Airlines
American Airlines
STL
3:50a
SEA
12:05p
8h 15m
1 stop
SEA
2:00a
STL
10:34a
8h 34m
1 stop
Depart: Thu Apr 20 2017 Return: Sun Apr 23 2017 Trip spans 4 days
Major Airline
Major Airline
STL
10:25p
SEA
2:44a
4h 19m
nonstop
SEA
9:55a
STL
1:40p
3h 45m
nonstop
Depart: Thu May 4 2017 Return: Mon May 8 2017 Trip spans 5 days
Delta
Delta
STL
1:45a
SEA
7:33a
5h 48m
1 stop
SEA
2:40a
STL
8:41a
6h 01m
1 stop
Depart: Sat Jun 17 2017 Return: Sun Jun 18 2017 Trip spans 2 days
United
United
STL
12:25p
SEA
6:52p
6h 27m
1 stop
SEA
9:49a
STL
7:26p
9h 37m
1 stop
Depart: Sat Apr 22 2017 Return: Wed Apr 26 2017 Trip spans 5 days
Alaska Airlines
Alaska Airlines
STL
3:20p
SEA
7:39p
4h 19m
nonstop
SEA
8:25a
STL
12:14p
3h 49m
nonstop
Depart: Tue May 2 2017 Return: Sun May 7 2017 Trip spans 6 days
Major Airline
Major Airline
STL
11:50p
SEA
10:12a
10h 22m
1 stop
SEA
10:23p
STL
3:54a
5h 31m
1 stop
Depart: Fri Apr 28 2017 Return: Mon May 1 2017 Trip spans 4 days
Frontier
Frontier
STL
9:50a
SEA
7:35p
9h 45m
1 stop
SEA
5:57a
STL
5:07p
11h 10m
1 stop
Depart: Mon Apr 17 2017 Return: Wed Apr 26 2017 Trip spans 10 days
Alaska Airlines
Alaska Airlines
STL
2:25a
SEA
6:44a
4h 19m
nonstop
SEA
8:25a
STL
12:14p
3h 49m
nonstop
Depart: Thu Aug 17 2017 Return: Tue Aug 22 2017 Trip spans 6 days
Delta
Delta
STL
2:45a
SEA
10:25a
7h 40m
1 stop
SEA
9:25a
STL
5:55p
8h 30m
1 stop
Depart: Wed May 10 2017 Return: Tue May 16 2017 Trip spans 7 days
Major Airline
Major Airline
STL
5:40a
SEA
3:31p
9h 51m
1 stop
SEA
5:50a
STL
1:58p
8h 08m
1 stop
Depart: Fri Apr 21 2017 Return: Sat Apr 22 2017 Trip spans 2 days
Alaska Airlines
Alaska Airlines
STL
3:20p
SEA
7:39p
4h 19m
nonstop
SEA
8:25a
STL
12:14p
3h 49m
nonstop
Depart: Fri Aug 18 2017 Return: Fri Aug 25 2017 Trip spans 8 days
Delta
Delta
STL
2:45a
SEA
10:25a
7h 40m
1 stop
SEA
9:25a
STL
5:55p
8h 30m
1 stop
Depart: Thu May 11 2017 Return: Sat May 13 2017 Trip spans 3 days
American Airlines
American Airlines
STL
3:20a
SEA
11:49a
8h 29m
1 stop
SEA
11:00a
STL
5:55p
6h 55m
1 stop
Depart: Wed Aug 16 2017 Return: Mon Aug 21 2017 Trip spans 6 days
Major Airline
Major Airline
STL
9:42a
SEA
3:45p
6h 03m
1 stop
SEA
4:45p
STL
1:12a
8h 27m
1 stop
Depart: Sun Jun 4 2017 Return: Wed Jun 7 2017 Trip spans 4 days
American Airlines
American Airlines
STL
4:50p
SEA
11:42p
6h 52m
1 stop
SEA
10:55a
STL
5:58p
7h 03m
1 stop
Depart: Wed Jul 26 2017 Return: Tue Aug 8 2017 Trip spans 14 days
Frontier
Frontier
STL
10:30a
SEA
7:31p
9h 01m
1 stop
SEA
6:55a
STL
5:10p
10h 15m
1 stop
Depart: Tue Apr 11 2017 Return: Tue Apr 18 2017 Trip spans 8 days
Delta
Delta
STL
1:40a
SEA
10:24a
8h 44m
1 stop
SEA
12:50p
STL
6:19p
5h 29m
1 stop
Depart: Wed May 3 2017 Return: Sun May 7 2017 Trip spans 5 days
Alaska Airlines
Alaska Airlines
STL
3:20p
SEA
7:39p
4h 19m
nonstop
SEA
1:55p
STL
5:40p
3h 45m
nonstop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

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Airports
Origin

St. Louis
$236
Destination

Seattle
$236
Airlines Airline reviews

31 travelers who booked a flight from St. Louis to Seattle rated their chosen airlines with an average of 9.1.

Overall
9.4
Boarding
9.1
Crew
9.5
Comfort
8.9
Food
8.4
Entertainment
8.6