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: Thu Jan 11 2018 Return: Tue Jan 16 2018 Trip spans 6 days
Frontier
Frontier
SEA
12:00a
STL
12:21p
12h 21m
2 stops
STL
12:00a
SEA
11:47p
23h 47m
1 stop
Depart: Sat Feb 17 2018 Return: Mon Feb 19 2018 Trip spans 3 days
Multiple Airlines
Multiple Airlines
SEA
12:00a
STL
3:45a
3h 45m
nonstop
STL
12:00a
SEA
9:29a
9h 29m
1 stop
Depart: Sat Dec 9 2017 Return: Sat Jan 6 2018 Trip spans 29 days
Alaska Airlines
Alaska Airlines
SEA
12:00a
STL
3:54a
3h 54m
nonstop
STL
12:00a
SEA
4:44a
4h 44m
nonstop
Depart: Thu Nov 30 2017 Return: Sun Dec 3 2017 Trip spans 4 days
Delta
Delta
SEA
12:00a
STL
6:01a
6h 01m
1 stop
STL
12:00a
SEA
8:50a
8h 50m
1 stop
Depart: Mon Feb 19 2018 Return: Tue Feb 27 2018 Trip spans 9 days
Frontier
Frontier
SEA
12:00a
STL
3:40p
15h 40m
1 stop
STL
12:00a
SEA
11:47p
23h 47m
1 stop
Depart: Wed Apr 25 2018 Return: Mon Apr 30 2018 Trip spans 6 days
Frontier
Frontier
SEA
12:00a
STL
6:29p
18h 29m
1 stop
STL
12:00a
SEA
10:01a
10h 01m
1 stop
Depart: Tue Apr 24 2018 Return: Mon Apr 30 2018 Trip spans 7 days
Multiple Airlines
Multiple Airlines
SEA
12:00a
STL
6:08a
6h 08m
1 stop
STL
12:00a
SEA
6:00a
6h 00m
1 stop
Depart: Sat May 5 2018 Return: Wed May 9 2018 Trip spans 5 days
Frontier
Frontier
SEA
12:00a
STL
11:48a
11h 48m
1 stop
STL
12:00a
SEA
9:46a
9h 46m
1 stop
Depart: Sat Dec 16 2017 Return: Sun Dec 24 2017 Trip spans 9 days
Alaska Airlines
Alaska Airlines
SEA
12:00a
STL
3:55a
3h 55m
nonstop
STL
12:00a
SEA
4:44a
4h 44m
nonstop
Depart: Mon Mar 12 2018 Return: Fri Mar 16 2018 Trip spans 5 days
Frontier
Frontier
SEA
12:00a
STL
3:57p
15h 57m
1 stop
STL
12:00a
SEA
9:31a
9h 31m
1 stop
Depart: Thu May 31 2018 Return: Sun Jun 3 2018 Trip spans 4 days
Frontier
Frontier
SEA
12:00a
STL
6:08a
6h 08m
1 stop
STL
12:00a
SEA
4:09p
16h 09m
1 stop
Depart: Fri Dec 22 2017 Return: Tue Dec 26 2017 Trip spans 5 days
Alaska Airlines
Alaska Airlines
SEA
12:00a
STL
3:55a
3h 55m
nonstop
STL
12:00a
SEA
4:44a
4h 44m
nonstop
Direct flights SEA to STL on Southwest
Flight # Depart SEA Arrive STL Sun Mon Tue Wed Thu Fri Sat Valid Between
470 7:15 am 1:00 pm Dec 25 - Dec 25
470 9:15 am 3:00 pm Nov 28 - Dec 19
470 9:15 am 3:00 pm Nov 24 - Nov 24
6493 9:20 am 3:05 pm Dec 20 - Jan 2
6493 9:20 am 3:05 pm Nov 26 - Nov 27
6745 9:25 am 3:10 pm Dec 23 - Dec 30
6745 9:25 am 3:10 pm Nov 18 - Nov 25
4539 10:00 am 3:50 pm Dec 3 - Dec 31
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Airports
Origin

Seattle
$207
Destination

St. Louis
$207