Find Deals on Flights from Seattle/Tacoma Intl to St. Louis 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 St. Louis Lambert-St Louis

(Round-trip)
Depart: Fri Mar 4 2016 Return: Sat Mar 5 2016 Trip spans 2 days
Alaska Airlines
Alaska Airlines
SEA
7:05a
STL
10:43a
3h 38m
nonstop
STL
1:45p
SEA
6:25p
4h 40m
nonstop
Depart: Sat Mar 5 2016 Return: Sun Mar 6 2016 Trip spans 2 days
Alaska Airlines
Alaska Airlines
SEA
7:05a
STL
10:43a
3h 38m
nonstop
STL
1:45p
SEA
6:25p
4h 40m
nonstop
Depart: Wed Mar 9 2016 Return: Tue Mar 15 2016 Trip spans 6 days
Alaska Airlines
Alaska Airlines
SEA
7:05a
STL
10:43a
3h 38m
nonstop
STL
2:40p
SEA
7:00p
4h 20m
nonstop
Depart: Wed Mar 30 2016 Return: Thu Mar 31 2016 Trip spans 2 days
Alaska Airlines
Alaska Airlines
SEA
2:05p
STL
5:49p
3h 44m
nonstop
STL
3:00a
SEA
7:20a
4h 20m
nonstop
Depart: Fri Apr 1 2016 Return: Mon Apr 4 2016 Trip spans 4 days
Alaska Airlines
Alaska Airlines
SEA
2:05p
STL
5:49p
3h 44m
nonstop
STL
3:00a
SEA
7:20a
4h 20m
nonstop
Depart: Mon Apr 4 2016 Return: Tue Apr 12 2016 Trip spans 9 days
Alaska Airlines
Alaska Airlines
SEA
2:05p
STL
5:49p
3h 44m
nonstop
STL
2:40p
SEA
7:00p
4h 20m
nonstop
Depart: Wed Apr 6 2016 Return: Sat Apr 9 2016 Trip spans 4 days
Alaska Airlines
Alaska Airlines
SEA
2:05p
STL
5:49p
3h 44m
nonstop
STL
3:00a
SEA
7:20a
4h 20m
nonstop
Depart: Thu Apr 14 2016 Return: Mon Apr 18 2016 Trip spans 5 days
Alaska Airlines
Alaska Airlines
SEA
2:05p
STL
5:54p
3h 49m
nonstop
STL
2:40p
SEA
7:00p
4h 20m
nonstop
Depart: Fri Apr 15 2016 Return: Mon Apr 18 2016 Trip spans 4 days
Alaska Airlines
Alaska Airlines
SEA
2:05p
STL
5:54p
3h 49m
nonstop
STL
2:40p
SEA
7:00p
4h 20m
nonstop
Depart: Sat Apr 16 2016 Return: Mon Apr 18 2016 Trip spans 3 days
Alaska Airlines
Alaska Airlines
SEA
7:55a
STL
11:40a
3h 45m
nonstop
STL
2:40p
SEA
7:00p
4h 20m
nonstop
Depart: Mon Apr 18 2016 Return: Tue Apr 26 2016 Trip spans 9 days
Alaska Airlines
Alaska Airlines
SEA
2:05p
STL
5:54p
3h 49m
nonstop
STL
3:10a
SEA
7:35a
4h 25m
nonstop
Depart: Wed Apr 20 2016 Return: Tue Apr 26 2016 Trip spans 7 days
Alaska Airlines
Alaska Airlines
SEA
2:05p
STL
5:54p
3h 49m
nonstop
STL
3:10a
SEA
7:35a
4h 25m
nonstop
Depart: Thu Apr 21 2016 Return: Wed Apr 27 2016 Trip spans 7 days
Alaska Airlines
Alaska Airlines
SEA
2:05p
STL
5:54p
3h 49m
nonstop
STL
2:40p
SEA
7:00p
4h 20m
nonstop
Depart: Fri Apr 22 2016 Return: Thu Apr 28 2016 Trip spans 7 days
Alaska Airlines
Alaska Airlines
SEA
2:05p
STL
5:54p
3h 49m
nonstop
STL
3:10a
SEA
7:35a
4h 25m
nonstop
Depart: Sat Apr 9 2016 Return: Tue Apr 12 2016 Trip spans 4 days
Alaska Airlines
Alaska Airlines
SEA
2:10a
STL
10:00a
7h 50m
1 stop
STL
2:40p
SEA
7:00p
4h 20m
nonstop
Depart: Tue Mar 8 2016 Return: Wed Mar 9 2016 Trip spans 2 days
Delta
Delta
SEA
7:35p
STL
3:37a
8h 02m
1 stop
STL
8:45a
SEA
7:05p
10h 20m
1 stop
Depart: Wed Mar 2 2016 Return: Wed Mar 23 2016 Trip spans 21 days
American Airlines
American Airlines
SEA
7:10p
STL
1:41a
6h 31m
1 stop
STL
1:00a
SEA
7:47a
6h 47m
1 stop
Depart: Thu Apr 7 2016 Return: Mon Apr 11 2016 Trip spans 5 days
United
United
SEA
3:23a
STL
11:20a
7h 57m
1 stop
STL
2:52p
SEA
11:10p
8h 18m
1 stop
Depart: Thu Mar 3 2016 Return: Tue Mar 22 2016 Trip spans 19 days
American Airlines
American Airlines
SEA
12:00a
STL
6:22a
6h 22m
1 stop
STL
1:00a
SEA
7:47a
6h 47m
1 stop
Depart: Sun Mar 6 2016 Return: Mon Mar 7 2016 Trip spans 2 days
American Airlines
American Airlines
SEA
1:45a
STL
8:07a
6h 22m
1 stop
STL
12:50p
SEA
8:10p
7h 20m
1 stop
Direct flights SEA to STL on Delta
Flight # Depart SEA Arrive STL Sun Mon Tue Wed Thu Fri Sat Valid Between
8989 11:55 am 5:39 pm Mar 21 - Mar 25
8989 11:55 am 5:39 pm Mar 14 - Mar 20
8989 11:55 am 5:39 pm Mar 13 - Mar 18
8989 11:55 am 5:39 pm Mar 22 - Mar 28
8989 12:05 pm 5:43 pm Feb 26 - Mar 3
8989 12:05 pm 5:43 pm Mar 5 - Mar 12
8989 12:05 pm 5:43 pm Mar 7 - Mar 11
8989 12:05 pm 5:43 pm Feb 22 - Feb 27
8989 12:05 pm 5:43 pm Feb 21 - Feb 21
8989 12:05 pm 5:43 pm Feb 15 - Feb 20
8989 12:05 pm 5:43 pm Mar 2 - Mar 4
* 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?
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Airports
Origin

Seattle
$253
Destination

St. Louis
$253