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 Oct 17 2017 Return: Fri Oct 20 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
SEA
12:00a
STL
7:27a
7h 27m
1 stop
STL
12:00a
SEA
4:45a
4h 45m
nonstop
Depart: Wed Nov 1 2017 Return: Tue Nov 7 2017 Trip spans 7 days
Delta
Delta
SEA
12:00a
STL
6:01a
6h 01m
1 stop
STL
12:00a
SEA
9:04a
9h 04m
1 stop
Depart: Fri Jan 26 2018 Return: Mon Jan 29 2018 Trip spans 4 days
Frontier
Frontier
SEA
12:00a
STL
9:04p
21h 04m
1 stop
STL
12:00a
SEA
8:19a
8h 19m
1 stop
Depart: Sat Dec 23 2017 Return: Sat Dec 30 2017 Trip spans 8 days
United
United
SEA
12:00a
STL
5:13a
5h 13m
1 stop
STL
12:00a
SEA
6:35a
6h 35m
1 stop
Depart: Sun Oct 22 2017 Return: Thu Oct 26 2017 Trip spans 5 days
Alaska Airlines
Alaska Airlines
SEA
12:00a
STL
3:49a
3h 49m
nonstop
STL
12:00a
SEA
4:20a
4h 20m
nonstop
Depart: Fri Nov 10 2017 Return: Sun Nov 12 2017 Trip spans 3 days
Delta
Delta
SEA
12:00a
STL
9:05a
9h 05m
1 stop
STL
12:00a
SEA
6:54a
6h 54m
1 stop
Depart: Fri Dec 1 2017 Return: Sun Dec 3 2017 Trip spans 3 days
Delta
Delta
SEA
12:00a
STL
7:03a
7h 03m
1 stop
STL
12:00a
SEA
6:47a
6h 47m
1 stop
Depart: Sat Feb 17 2018 Return: Sun Feb 18 2018 Trip spans 2 days
Alaska Airlines
Alaska Airlines
SEA
12:00a
STL
3:45a
3h 45m
nonstop
STL
12:00a
SEA
4:45a
4h 45m
nonstop
Depart: Wed Sep 27 2017 Return: Wed Oct 4 2017 Trip spans 8 days
Frontier
Frontier
SEA
12:00a
STL
10:20a
10h 20m
1 stop
STL
12:00a
SEA
9:47a
9h 47m
1 stop
Depart: Fri Nov 17 2017 Return: Mon Nov 27 2017 Trip spans 11 days
Alaska Airlines
Alaska Airlines
SEA
12:00a
STL
3:48a
3h 48m
nonstop
STL
12:00a
SEA
4:26a
4h 26m
nonstop
Depart: Thu Dec 21 2017 Return: Thu Jan 4 2018 Trip spans 15 days
Alaska Airlines
Alaska Airlines
SEA
12:00a
STL
3:55a
3h 55m
nonstop
STL
12:00a
SEA
4:44a
4h 44m
nonstop
Depart: Fri Sep 22 2017 Return: Mon Sep 25 2017 Trip spans 4 days
Delta
Delta
SEA
12:00a
STL
8:31a
8h 31m
1 stop
STL
12:00a
SEA
6:44a
6h 44m
1 stop
Direct flights SEA to STL on Southwest
Flight # Depart SEA Arrive STL Sun Mon Tue Wed Thu Fri Sat Valid Between
1327 8:45 am 2:35 pm Oct 2 - Nov 3
1375 8:50 am 2:45 pm Sep 5 - Sep 29
5278 9:20 am 3:10 pm Oct 1 - Oct 29
1174 9:55 am 3:55 pm Sep 30 - Sep 30
5081 10:00 am 3:50 pm Oct 7 - Oct 28
* 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
$275
Destination

St. Louis
$275
Airlines Airline reviews

57 travelers who booked a flight from Seattle to St. Louis rated their chosen airlines with an average of 8.5.

Overall
8.6
Boarding
8.8
Crew
9.1
Comfort
8.2
Food
7.0
Entertainment
7.5