Find Cheap Flights from Seattle to Lambert-St Louis

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 to Lambert-St Louis

(Round-trip)
Depart: Thu Nov 30 2017 Return: Thu Dec 7 2017 Trip spans 8 days
Frontier
Frontier
SEA
12:00a
STL
10:55p
22h 55m
1 stop
STL
12:00a
SEA
7:30p
19h 30m
1 stop
Depart: Mon Aug 28 2017 Return: Wed Aug 30 2017 Trip spans 3 days
Delta
Delta
SEA
12:00a
STL
7:20a
7h 20m
1 stop
STL
12:00a
SEA
6:13a
6h 13m
1 stop
Depart: Mon Nov 27 2017 Return: Thu Dec 7 2017 Trip spans 11 days
Multiple Airlines
Multiple Airlines
SEA
12:00a
STL
3:48a
3h 48m
nonstop
STL
12:00a
SEA
7:30p
19h 30m
1 stop
Depart: Wed Sep 27 2017 Return: Sat Sep 30 2017 Trip spans 4 days
Frontier
Frontier
SEA
12:00a
STL
10:20a
10h 20m
1 stop
STL
12:00a
SEA
9:47a
9h 47m
1 stop
Depart: Sun Sep 3 2017 Return: Tue Sep 5 2017 Trip spans 3 days
Delta
Delta
SEA
12:00a
STL
6:57a
6h 57m
1 stop
STL
12:00a
SEA
6:25a
6h 25m
1 stop
Depart: Thu Nov 9 2017 Return: Sun Nov 12 2017 Trip spans 4 days
Frontier
Frontier
SEA
12:00a
STL
10:55p
22h 55m
1 stop
STL
12:00a
SEA
7:30p
19h 30m
1 stop
Depart: Fri Sep 29 2017 Return: Sat Oct 21 2017 Trip spans 23 days
Multiple Airlines
Multiple Airlines
SEA
12:00a
STL
7:12a
7h 12m
1 stop
STL
12:00a
SEA
8:38a
8h 38m
1 stop
Depart: Wed Sep 6 2017 Return: Sat Sep 9 2017 Trip spans 4 days
Delta
Delta
SEA
12:00a
STL
8:40a
8h 40m
1 stop
STL
12:00a
SEA
6:25a
6h 25m
1 stop
Depart: Thu Nov 9 2017 Return: Sun Nov 12 2017 Trip spans 4 days
Frontier
Frontier
SEA
12:00a
STL
10:55p
22h 55m
1 stop
STL
12:00a
SEA
7:30p
19h 30m
1 stop
Depart: Sat Sep 30 2017 Return: Sat Oct 21 2017 Trip spans 22 days
Multiple Airlines
Multiple Airlines
SEA
12:00a
STL
7:40a
7h 40m
1 stop
STL
12:00a
SEA
8:38a
8h 38m
1 stop
Depart: Mon Sep 11 2017 Return: Wed Sep 13 2017 Trip spans 3 days
Delta
Delta
SEA
12:00a
STL
5:32a
5h 32m
1 stop
STL
12:00a
SEA
8:16a
8h 16m
1 stop
Depart: Mon Oct 2 2017 Return: Fri Oct 20 2017 Trip spans 19 days
Multiple Airlines
Multiple Airlines
SEA
12:00a
STL
5:23a
5h 23m
1 stop
STL
12:00a
SEA
8:38a
8h 38m
1 stop
Depart: Mon Oct 2 2017 Return: Wed Oct 4 2017 Trip spans 3 days
Frontier
Frontier
SEA
12:00a
STL
10:20a
10h 20m
1 stop
STL
12:00a
SEA
9:47a
9h 47m
1 stop
Depart: Wed Sep 13 2017 Return: Sat Sep 16 2017 Trip spans 4 days
Delta
Delta
SEA
12:00a
STL
5:37a
5h 37m
1 stop
STL
12:00a
SEA
6:25a
6h 25m
1 stop
Depart: Tue Oct 3 2017 Return: Sat Oct 21 2017 Trip spans 19 days
Multiple Airlines
Multiple Airlines
SEA
12:00a
STL
5:34a
5h 34m
1 stop
STL
12:00a
SEA
8:38a
8h 38m
1 stop
Depart: Wed Sep 20 2017 Return: Sat Sep 23 2017 Trip spans 4 days
Frontier
Frontier
SEA
12:00a
STL
10:20a
10h 20m
1 stop
STL
12:00a
SEA
9:47a
9h 47m
1 stop
Depart: Thu Sep 14 2017 Return: Sat Sep 16 2017 Trip spans 3 days
Delta
Delta
SEA
12:00a
STL
5:32a
5h 32m
1 stop
STL
12:00a
SEA
5:57a
5h 57m
1 stop
Depart: Wed Oct 4 2017 Return: Sat Oct 21 2017 Trip spans 18 days
Multiple Airlines
Multiple Airlines
SEA
12:00a
STL
8:20a
8h 20m
1 stop
STL
12:00a
SEA
8:38a
8h 38m
1 stop
Depart: Tue Nov 28 2017 Return: Thu Dec 7 2017 Trip spans 10 days
Frontier
Frontier
SEA
12:00a
STL
10:55p
22h 55m
1 stop
STL
12:00a
SEA
7:30p
19h 30m
1 stop
Depart: Sat Sep 16 2017 Return: Fri Sep 22 2017 Trip spans 7 days
Delta
Delta
SEA
12:00a
STL
8:40a
8h 40m
1 stop
STL
12:00a
SEA
8:34a
8h 34m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

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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

Seattle
$218
Destination

St. Louis
$218