Find Deals on 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
Students
under 26
The price shown for each flight will be the average for all passengers including any infants.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Seattle/Tacoma Intl to Lambert-St Louis

(Round-trip)
Depart: Thu Oct 20 2016 Return: Sat Oct 22 2016 Trip spans 3 days
Alaska Airlines
Alaska Airlines
SEA
2:10p
STL
5:59p
3h 49m
nonstop
STL
3:00a
SEA
7:20a
4h 20m
nonstop
Depart: Sun Oct 23 2016 Return: Wed Oct 26 2016 Trip spans 4 days
Major Airline
Major Airline
SEA
3:50a
STL
7:40a
3h 50m
nonstop
STL
10:40a
SEA
2:59p
4h 19m
nonstop
Depart: Wed Oct 19 2016 Return: Tue Oct 25 2016 Trip spans 7 days
American Airlines
American Airlines
SEA
10:30a
STL
5:55p
7h 25m
1 stop
STL
11:30a
SEA
8:49p
9h 19m
1 stop
Depart: Tue Oct 18 2016 Return: Tue Oct 25 2016 Trip spans 8 days
Delta
Delta
SEA
8:45p
STL
2:28a
5h 43m
1 stop
STL
1:15p
SEA
7:24p
6h 09m
1 stop
Depart: Sat Oct 8 2016 Return: Sun Oct 9 2016 Trip spans 2 days
Frontier
Frontier
SEA
7:25a
STL
5:43p
10h 18m
1 stop
STL
12:20p
SEA
6:57a
18h 37m
1 stop
Depart: Fri Dec 30 2016 Return: Sun Jan 1 2017 Trip spans 3 days
United
United
SEA
1:00a
STL
10:43a
9h 43m
1 stop
STL
12:42a
SEA
6:58a
6h 16m
1 stop
Depart: Fri Oct 21 2016 Return: Mon Oct 24 2016 Trip spans 4 days
Alaska Airlines
Alaska Airlines
SEA
2:10p
STL
5:59p
3h 49m
nonstop
STL
3:00a
SEA
7:20a
4h 20m
nonstop
Depart: Mon Oct 31 2016 Return: Thu Nov 3 2016 Trip spans 4 days
Major Airline
Major Airline
SEA
12:00a
STL
5:10a
5h 10m
1 stop
STL
7:50a
SEA
3:21p
7h 31m
1 stop
Depart: Wed Nov 2 2016 Return: Mon Nov 7 2016 Trip spans 6 days
American Airlines
American Airlines
SEA
7:55p
STL
2:31a
6h 36m
1 stop
STL
2:05p
SEA
9:49p
7h 44m
1 stop
Depart: Sat Oct 22 2016 Return: Mon Oct 24 2016 Trip spans 3 days
Alaska Airlines
Alaska Airlines
SEA
7:50a
STL
11:40a
3h 50m
nonstop
STL
3:00a
SEA
7:20a
4h 20m
nonstop
Depart: Thu Nov 3 2016 Return: Mon Nov 7 2016 Trip spans 5 days
Major Airline
Major Airline
SEA
1:00p
STL
5:10a
16h 10m
1 stop
STL
6:10a
SEA
12:51p
6h 41m
1 stop
Depart: Tue Oct 25 2016 Return: Fri Oct 28 2016 Trip spans 4 days
Alaska Airlines
Alaska Airlines
SEA
7:50a
STL
11:40a
3h 50m
nonstop
STL
2:40p
SEA
6:59p
4h 19m
nonstop
Depart: Thu Oct 13 2016 Return: Thu Oct 20 2016 Trip spans 8 days
Major Airline
Major Airline
SEA
5:15a
STL
1:43p
8h 28m
1 stop
STL
8:20a
SEA
2:57a
18h 37m
1 stop
Depart: Thu Oct 27 2016 Return: Fri Oct 28 2016 Trip spans 2 days
Alaska Airlines
Alaska Airlines
SEA
2:10p
STL
5:59p
3h 49m
nonstop
STL
2:40p
SEA
6:59p
4h 19m
nonstop
Depart: Tue Mar 14 2017 Return: Sat Mar 18 2017 Trip spans 5 days
Delta
Delta
SEA
5:00a
STL
12:55p
7h 55m
1 stop
STL
11:10a
SEA
7:45p
8h 35m
1 stop
Depart: Mon Oct 17 2016 Return: Tue Oct 18 2016 Trip spans 2 days
American Airlines
American Airlines
SEA
7:55p
STL
2:31a
6h 36m
1 stop
STL
7:46a
SEA
5:37p
9h 51m
1 stop
Depart: Fri Oct 28 2016 Return: Mon Oct 31 2016 Trip spans 4 days
Alaska Airlines
Alaska Airlines
SEA
2:10p
STL
5:59p
3h 49m
nonstop
STL
2:40p
SEA
6:59p
4h 19m
nonstop
Depart: Fri Oct 14 2016 Return: Fri Oct 21 2016 Trip spans 8 days
Major Airline
Major Airline
SEA
3:50a
STL
7:40a
3h 50m
nonstop
STL
10:40a
SEA
2:59p
4h 19m
nonstop
Depart: Tue Oct 11 2016 Return: Mon Oct 17 2016 Trip spans 7 days
Delta
Delta
SEA
5:40a
STL
12:07p
6h 27m
1 stop
STL
2:45p
SEA
9:27p
6h 42m
1 stop
Depart: Sat Oct 29 2016 Return: Mon Oct 31 2016 Trip spans 3 days
Alaska Airlines
Alaska Airlines
SEA
7:50a
STL
11:40a
3h 50m
nonstop
STL
3:00a
SEA
7:20a
4h 20m
nonstop
Direct flights SEA to STL on Delta
Flight # Depart SEA Arrive STL Sun Mon Tue Wed Thu Fri Sat Valid Between
9211 11:50 am 5:40 pm Oct 27 - Nov 5
9211 11:50 am 5:40 pm Oct 22 - Oct 22
9211 11:50 am 5:40 pm Oct 16 - Oct 26
9211 11:50 am 5:40 pm Oct 15 - Oct 15
9211 11:50 am 5:40 pm Oct 13 - Oct 20
9211 11:50 am 5:40 pm Oct 4 - Oct 14
9211 12:05 pm 5:49 pm Nov 6 - Nov 12
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

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.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

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.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Seattle
$217
Destination

St. Louis
$217
Airlines Airline reviews

20 travelers who booked a flight from Seattle to St. Louis rated their chosen airlines with an average of 8.1.

Overall
8.4
Boarding
8.5
Crew
8.7
Comfort
8.1
Food
7.3
Entertainment
7.1