Find Cheap Flights from Puerto Rico 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 Puerto Rico to Lambert-St Louis

(Round-trip)
Depart: Mon Aug 28 2017 Return: Tue Sep 5 2017 Trip spans 9 days
Frontier
Frontier
SJU
12:00a
STL
4:31p
16h 31m
1 stop
STL
12:00a
SJU
4:05p
16h 05m
1 stop
Depart: Mon Aug 28 2017 Return: Tue Sep 12 2017 Trip spans 16 days
Multiple Airlines
Multiple Airlines
SJU
12:00a
STL
4:31p
16h 31m
1 stop
STL
12:00a
SJU
7:05a
7h 05m
1 stop
Depart: Sat Jul 22 2017 Return: Tue Jul 25 2017 Trip spans 4 days
American Airlines
American Airlines
SJU
12:00a
STL
9:06a
9h 06m
1 stop
STL
12:00a
SJU
7:21a
7h 21m
1 stop
Depart: Fri Sep 22 2017 Return: Mon Sep 25 2017 Trip spans 4 days
Delta
Delta
SJU
12:00a
STL
9:05a
9h 05m
1 stop
STL
12:00a
SJU
7:35a
7h 35m
1 stop
Depart: Tue Jul 25 2017 Return: Fri Jul 28 2017 Trip spans 4 days
United
United
SJU
12:00a
STL
8:51a
8h 51m
1 stop
STL
12:00a
SJU
7:20a
7h 20m
1 stop
Depart: Mon Aug 28 2017 Return: Wed Sep 13 2017 Trip spans 17 days
Frontier
Frontier
SJU
12:00a
STL
4:31p
16h 31m
1 stop
STL
12:00a
SJU
4:04p
16h 04m
1 stop
Depart: Thu Aug 31 2017 Return: Sat Sep 2 2017 Trip spans 3 days
Multiple Airlines
Multiple Airlines
SJU
12:00a
STL
9:05a
9h 05m
1 stop
STL
12:00a
SJU
6:24p
18h 24m
1 stop
Depart: Thu Aug 24 2017 Return: Tue Sep 5 2017 Trip spans 13 days
Frontier
Frontier
SJU
12:00a
STL
10:33a
10h 33m
1 stop
STL
12:00a
SJU
4:05p
16h 05m
1 stop
Depart: Fri Sep 1 2017 Return: Sat Sep 2 2017 Trip spans 2 days
Multiple Airlines
Multiple Airlines
SJU
12:00a
STL
9:05a
9h 05m
1 stop
STL
12:00a
SJU
6:24p
18h 24m
1 stop
Depart: Fri Aug 25 2017 Return: Tue Sep 5 2017 Trip spans 12 days
Frontier
Frontier
SJU
12:00a
STL
10:33a
10h 33m
1 stop
STL
12:00a
SJU
4:05p
16h 05m
1 stop
Depart: Sat Jul 22 2017 Return: Sat Jul 29 2017 Trip spans 8 days
American Airlines
American Airlines
SJU
12:00a
STL
8:34a
8h 34m
1 stop
STL
12:00a
SJU
1:33p
13h 33m
1 stop
Depart: Wed Aug 2 2017 Return: Mon Aug 7 2017 Trip spans 6 days
Multiple Airlines
Multiple Airlines
SJU
12:00a
STL
9:36a
9h 36m
1 stop
STL
12:00a
SJU
4:20p
16h 20m
1 stop
Depart: Sat Aug 26 2017 Return: Tue Sep 5 2017 Trip spans 11 days
Frontier
Frontier
SJU
12:00a
STL
10:33a
10h 33m
1 stop
STL
12:00a
SJU
4:05p
16h 05m
1 stop
Depart: Thu Aug 31 2017 Return: Thu Sep 14 2017 Trip spans 15 days
Delta
Delta
SJU
12:00a
STL
9:05a
9h 05m
1 stop
STL
12:00a
SJU
6:23a
6h 23m
1 stop
Depart: Thu Aug 24 2017 Return: Sun Sep 3 2017 Trip spans 11 days
Multiple Airlines
Multiple Airlines
SJU
12:00a
STL
10:33a
10h 33m
1 stop
STL
12:00a
SJU
8:45a
8h 45m
1 stop
Depart: Sun Aug 27 2017 Return: Tue Sep 5 2017 Trip spans 10 days
Frontier
Frontier
SJU
12:00a
STL
10:33a
10h 33m
1 stop
STL
12:00a
SJU
4:05p
16h 05m
1 stop
Depart: Tue Aug 29 2017 Return: Mon Sep 4 2017 Trip spans 7 days
Delta
Delta
SJU
12:00a
STL
9:05a
9h 05m
1 stop
STL
12:00a
SJU
6:23a
6h 23m
1 stop
Depart: Tue Aug 1 2017 Return: Tue Aug 8 2017 Trip spans 8 days
Multiple Airlines
Multiple Airlines
SJU
12:00a
STL
11:15a
11h 15m
1 stop
STL
12:00a
SJU
8:41a
8h 41m
1 stop
Depart: Mon Aug 28 2017 Return: Fri Sep 8 2017 Trip spans 12 days
Frontier
Frontier
SJU
12:00a
STL
4:31p
16h 31m
1 stop
STL
12:00a
SJU
4:04p
16h 04m
1 stop
Depart: Thu Jul 27 2017 Return: Tue Aug 1 2017 Trip spans 6 days
Multiple Airlines
Multiple Airlines
SJU
12:00a
STL
10:34a
10h 34m
1 stop
STL
12:00a
SJU
4:28p
16h 28m
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.

If you have more questions or if you have a bad price to report to us,
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Airports
Origin

San Juan
$269
Destination

St. Louis
$269