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: Wed Jun 28 2017 Return: Wed Jul 5 2017 Trip spans 8 days
Major Airline
Major Airline
SEA
12:00a
STL
1:24a
1h 24m
nonstop
STL
12:00a
SEA
5:24a
5h 24m
nonstop
Depart: Tue Jun 27 2017 Return: Thu Jul 6 2017 Trip spans 10 days
Multiple Airlines
Multiple Airlines
SEA
12:00a
STL
5:51a
5h 51m
1 stop
STL
12:00a
SEA
6:50a
6h 50m
1 stop
Depart: Wed Jun 28 2017 Return: Wed Aug 2 2017 Trip spans 36 days
Delta
Delta
SEA
12:00a
STL
5:48a
5h 48m
1 stop
STL
12:00a
SEA
7:19a
7h 19m
1 stop
Depart: Thu Jun 29 2017 Return: Mon Jul 31 2017 Trip spans 33 days
Frontier
Frontier
SEA
12:00a
STL
10:00a
10h 00m
1 stop
STL
12:00a
SEA
9:21a
9h 21m
1 stop
Depart: Fri Jun 30 2017 Return: Mon Jul 31 2017 Trip spans 32 days
United
United
SEA
12:00a
STL
6:48a
6h 48m
1 stop
STL
12:00a
SEA
7:04a
7h 04m
1 stop
Depart: Thu Jun 29 2017 Return: Thu Aug 3 2017 Trip spans 36 days
Multiple Airlines
Multiple Airlines
SEA
12:00a
STL
5:51a
5h 51m
1 stop
STL
12:00a
SEA
6:03a
6h 03m
1 stop
Depart: Fri Jun 23 2017 Return: Mon Jun 26 2017 Trip spans 4 days
Major Airline
Major Airline
SEA
12:00a
STL
1:24a
1h 24m
nonstop
STL
12:00a
SEA
5:24a
5h 24m
nonstop
Depart: Thu Jun 29 2017 Return: Wed Jul 5 2017 Trip spans 7 days
Major Airline
Major Airline
SEA
12:00a
STL
10:00a
10h 00m
1 stop
STL
12:00a
SEA
9:06a
9h 06m
1 stop
Depart: Sun Jul 2 2017 Return: Mon Jul 31 2017 Trip spans 30 days
Frontier
Frontier
SEA
12:00a
STL
10:00a
10h 00m
1 stop
STL
12:00a
SEA
9:21a
9h 21m
1 stop
Depart: Wed Jun 28 2017 Return: Tue Aug 1 2017 Trip spans 35 days
Delta
Delta
SEA
12:00a
STL
6:53a
6h 53m
1 stop
STL
12:00a
SEA
8:47a
8h 47m
1 stop
Depart: Thu Jun 29 2017 Return: Sat Jul 22 2017 Trip spans 24 days
Multiple Airlines
Multiple Airlines
SEA
12:00a
STL
5:51a
5h 51m
1 stop
STL
12:00a
SEA
7:39a
7h 39m
1 stop
Depart: Sun Jul 2 2017 Return: Tue Aug 1 2017 Trip spans 31 days
Frontier
Frontier
SEA
12:00a
STL
2:15a
26h 15m
1 stop
STL
12:00a
SEA
4:01a
28h 01m
1 stop
Depart: Wed Jun 28 2017 Return: Sun Jul 30 2017 Trip spans 33 days
Major Airline
Major Airline
SEA
12:00a
STL
10:27p
22h 27m
1 stop
STL
12:00a
SEA
6:20a
6h 20m
1 stop
Depart: Wed Jun 28 2017 Return: Sat Jul 29 2017 Trip spans 32 days
United
United
SEA
12:00a
STL
6:38a
6h 38m
1 stop
STL
12:00a
SEA
6:26a
6h 26m
1 stop
Depart: Thu Jun 29 2017 Return: Fri Jul 7 2017 Trip spans 9 days
Delta
Delta
SEA
12:00a
STL
8:47a
8h 47m
1 stop
STL
12:00a
SEA
7:35a
7h 35m
1 stop
Depart: Mon Jun 26 2017 Return: Wed Jun 28 2017 Trip spans 3 days
Frontier
Frontier
SEA
12:00a
STL
6:53a
6h 53m
1 stop
STL
12:00a
SEA
9:07a
9h 07m
1 stop
Depart: Tue Jun 27 2017 Return: Sat Jul 8 2017 Trip spans 12 days
Multiple Airlines
Multiple Airlines
SEA
12:00a
STL
5:51a
5h 51m
1 stop
STL
12:00a
SEA
6:13a
6h 13m
1 stop
Depart: Thu Jun 29 2017 Return: Sat Jul 29 2017 Trip spans 31 days
United
United
SEA
12:00a
STL
6:50a
6h 50m
1 stop
STL
12:00a
SEA
7:39a
7h 39m
1 stop
Depart: Fri Jun 30 2017 Return: Tue Jul 11 2017 Trip spans 12 days
Delta
Delta
SEA
12:00a
STL
5:48a
5h 48m
1 stop
STL
12:00a
SEA
6:06a
6h 06m
1 stop
Depart: Tue Jun 27 2017 Return: Mon Jul 3 2017 Trip spans 7 days
Frontier
Frontier
SEA
12:00a
STL
10:00a
10h 00m
1 stop
STL
12:00a
SEA
9:07a
9h 07m
1 stop
* 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.

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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.

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Airports
Origin

Seattle
$343
Destination

St. Louis
$343