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: Wed Aug 23 2017 Return: Mon Aug 28 2017 Trip spans 6 days
Delta
Delta
SEA
9:25a
STL
5:55p
8h 30m
1 stop
STL
3:39p
SEA
9:47p
6h 08m
1 stop
Depart: Thu Aug 31 2017 Return: Wed Sep 6 2017 Trip spans 7 days
Major Airline
Major Airline
SEA
11:29p
STL
4:51a
5h 22m
1 stop
STL
3:01a
SEA
1:10p
10h 09m
1 stop
Depart: Wed Aug 9 2017 Return: Sun Aug 13 2017 Trip spans 5 days
American Airlines
American Airlines
SEA
10:55a
STL
5:58p
7h 03m
1 stop
STL
4:50p
SEA
11:42p
6h 52m
1 stop
Depart: Tue Aug 22 2017 Return: Sun Aug 27 2017 Trip spans 6 days
United
United
SEA
11:05a
STL
7:17p
8h 12m
1 stop
STL
2:00a
SEA
8:04a
6h 04m
1 stop
Depart: Fri Jun 16 2017 Return: Wed Jun 21 2017 Trip spans 6 days
Frontier
Frontier
SEA
5:58a
STL
12:51p
6h 53m
1 stop
STL
10:30a
SEA
7:37p
9h 07m
1 stop
Depart: Mon Jul 17 2017 Return: Tue Jul 25 2017 Trip spans 9 days
Alaska Airlines
Alaska Airlines
SEA
1:35p
STL
5:35p
4h 00m
nonstop
STL
3:17p
SEA
7:38p
4h 21m
nonstop
Depart: Thu Sep 14 2017 Return: Sun Sep 17 2017 Trip spans 4 days
Delta
Delta
SEA
3:30a
STL
11:59a
8h 29m
1 stop
STL
3:45p
SEA
9:47p
6h 02m
1 stop
Depart: Sun Oct 15 2017 Return: Thu Oct 19 2017 Trip spans 5 days
Major Airline
Major Airline
SEA
2:20a
STL
6:09a
3h 49m
nonstop
STL
9:10a
SEA
1:55p
4h 45m
nonstop
Depart: Fri Sep 15 2017 Return: Wed Sep 20 2017 Trip spans 6 days
Delta
Delta
SEA
6:30p
STL
2:47a
8h 17m
1 stop
STL
1:10p
SEA
9:47p
8h 37m
1 stop
Depart: Mon Aug 14 2017 Return: Sat Aug 19 2017 Trip spans 6 days
American Airlines
American Airlines
SEA
8:15p
STL
4:47a
8h 32m
1 stop
STL
1:25p
SEA
10:35p
9h 10m
1 stop
Depart: Thu Sep 21 2017 Return: Sun Sep 24 2017 Trip spans 4 days
Delta
Delta
SEA
3:30a
STL
11:59a
8h 29m
1 stop
STL
3:45p
SEA
9:47p
6h 02m
1 stop
Depart: Tue Aug 1 2017 Return: Mon Aug 7 2017 Trip spans 7 days
Major Airline
Major Airline
SEA
12:00a
STL
7:07a
7h 07m
2 stops
STL
7:30a
SEA
3:32p
8h 02m
2 stops
Depart: Tue Jun 20 2017 Return: Thu Jun 22 2017 Trip spans 3 days
United
United
SEA
10:06a
STL
7:26p
9h 20m
1 stop
STL
4:05a
SEA
1:05p
9h 00m
1 stop
Depart: Tue Aug 15 2017 Return: Sun Aug 20 2017 Trip spans 6 days
American Airlines
American Airlines
SEA
8:15p
STL
4:47a
8h 32m
1 stop
STL
1:00a
SEA
7:39a
6h 39m
1 stop
Depart: Mon Oct 16 2017 Return: Tue Oct 17 2017 Trip spans 2 days
Frontier
Frontier
SEA
6:55a
STL
5:07p
10h 12m
1 stop
STL
3:45p
SEA
8:02a
16h 17m
1 stop
Depart: Tue Sep 26 2017 Return: Thu Sep 28 2017 Trip spans 3 days
Delta
Delta
SEA
3:30a
STL
11:59a
8h 29m
1 stop
STL
2:45p
SEA
9:22p
6h 37m
1 stop
Depart: Thu Aug 10 2017 Return: Sun Aug 20 2017 Trip spans 11 days
Major Airline
Major Airline
SEA
2:55a
STL
1:10p
10h 15m
1 stop
STL
10:00p
SEA
6:50a
8h 50m
1 stop
Depart: Wed Jun 21 2017 Return: Thu Jun 22 2017 Trip spans 2 days
United
United
SEA
10:06a
STL
7:26p
9h 20m
1 stop
STL
4:05a
SEA
1:05p
9h 00m
1 stop
Depart: Wed Aug 16 2017 Return: Sat Aug 19 2017 Trip spans 4 days
American Airlines
American Airlines
SEA
10:55a
STL
5:58p
7h 03m
1 stop
STL
10:40a
SEA
6:08p
7h 28m
1 stop
Depart: Sat Aug 19 2017 Return: Wed Aug 23 2017 Trip spans 5 days
Frontier
Frontier
SEA
6:55a
STL
5:10p
10h 15m
1 stop
STL
10:30a
SEA
7:31p
9h 01m
1 stop
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 Jun 2 - Jun 3
7123 12:25 pm 6:17 pm Jun 29 - Jul 4
7123 12:25 pm 6:17 pm Jun 26 - Jun 30
7123 12:25 pm 6:17 pm Jun 21 - Jun 28
7123 12:25 pm 6:17 pm Jun 17 - Jun 23
7123 12:25 pm 6:17 pm Jun 12 - Jun 20
7123 12:25 pm 6:17 pm Jun 9 - Jun 16
7123 12:25 pm 6:17 pm Jun 4 - Jun 10
7019 5:35 pm 11:25 pm Jun 13 - Jun 13
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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^ The fares displayed in KAYAK ads found on other sites include all taxes and fees for economy class travel and were found by KAYAK users in the last 72 hours. Seats are limited and may not be available on all flights and days. Fares are subject to change and may not be available on all flights or dates of travel. Some carriers charge additional fees for extra checked bags. Please check the carriers' sites.
Airports
Origin

Seattle
$294
Destination

St. Louis
$294
Airlines Airline reviews

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

Overall
8.6
Boarding
8.9
Crew
9.1
Comfort
8.2
Food
7.5
Entertainment
7.9