Find Deals on Flights from Lambert-St Louis to Puerto Rico

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 Lambert-St Louis to Puerto Rico

(Round-trip)
Depart: Sun Apr 2 2017 Return: Sat Apr 8 2017 Trip spans 7 days
American Airlines
American Airlines
STL
2:00a
SJU
8:50a
6h 50m
1 stop
SJU
1:39p
STL
8:49p
7h 10m
1 stop
Depart: Sat Apr 22 2017 Return: Thu Apr 27 2017 Trip spans 6 days
United
United
STL
2:18p
SJU
12:20a
10h 02m
1 stop
SJU
10:25a
STL
6:10p
7h 45m
1 stop
Depart: Sat Apr 29 2017 Return: Wed May 3 2017 Trip spans 5 days
Major Airline
Major Airline
STL
1:00a
SJU
4:02a
3h 02m
1 stop
SJU
1:00a
STL
6:02a
5h 02m
1 stop
Depart: Wed Aug 9 2017 Return: Wed Aug 23 2017 Trip spans 15 days
Delta
Delta
STL
9:20a
SJU
4:34p
7h 14m
1 stop
SJU
8:51a
STL
6:19p
9h 28m
1 stop
Depart: Tue Apr 25 2017 Return: Sat Apr 29 2017 Trip spans 5 days
American Airlines
American Airlines
STL
3:10a
SJU
10:36a
7h 26m
1 stop
SJU
11:30a
STL
8:43p
9h 13m
1 stop
Depart: Sun Sep 24 2017 Return: Mon Oct 2 2017 Trip spans 9 days
American Airlines
American Airlines
STL
1:59a
SJU
8:23a
6h 24m
1 stop
SJU
10:55a
STL
6:28p
7h 33m
1 stop
Depart: Tue Apr 11 2017 Return: Fri Apr 21 2017 Trip spans 11 days
American Airlines
American Airlines
STL
2:10a
SJU
11:24a
9h 14m
2 stops
SJU
11:30a
STL
8:43p
9h 13m
1 stop
Depart: Sat Apr 15 2017 Return: Sat Apr 22 2017 Trip spans 8 days
Major Airline
Major Airline
STL
1:00a
SJU
4:02a
3h 02m
1 stop
SJU
1:00a
STL
6:02a
5h 02m
1 stop
Depart: Wed Apr 12 2017 Return: Tue Apr 18 2017 Trip spans 7 days
American Airlines
American Airlines
STL
2:00a
SJU
7:59a
5h 59m
1 stop
SJU
1:15p
STL
8:43p
7h 28m
1 stop
Depart: Wed May 24 2017 Return: Wed May 31 2017 Trip spans 8 days
United
United
STL
1:15a
SJU
8:15a
7h 00m
1 stop
SJU
10:25a
STL
6:03p
7h 38m
1 stop
Depart: Mon Apr 24 2017 Return: Thu Apr 27 2017 Trip spans 4 days
American Airlines
American Airlines
STL
1:00a
SJU
10:14a
9h 14m
1 stop
SJU
7:00a
STL
2:23p
7h 23m
1 stop
Depart: Tue May 9 2017 Return: Tue May 16 2017 Trip spans 8 days
American Airlines
American Airlines
STL
1:00a
SJU
10:14a
9h 14m
1 stop
SJU
11:30a
STL
8:43p
9h 13m
1 stop
Depart: Thu Aug 17 2017 Return: Wed Aug 30 2017 Trip spans 14 days
American Airlines
American Airlines
STL
2:00a
SJU
9:31a
7h 31m
1 stop
SJU
10:55a
STL
8:12p
9h 17m
1 stop
Depart: Tue Aug 29 2017 Return: Wed Sep 6 2017 Trip spans 9 days
United
United
STL
7:20a
SJU
7:35p
12h 15m
2 stops
SJU
8:50a
STL
4:19p
7h 29m
1 stop
Depart: Fri Aug 25 2017 Return: Mon Aug 28 2017 Trip spans 4 days
American Airlines
American Airlines
STL
2:00a
SJU
9:31a
7h 31m
1 stop
SJU
10:55a
STL
8:12p
9h 17m
1 stop
Depart: Wed Aug 30 2017 Return: Wed Sep 6 2017 Trip spans 8 days
United
United
STL
1:00a
SJU
8:15a
7h 15m
1 stop
SJU
8:50a
STL
4:19p
7h 29m
1 stop
Depart: Thu Aug 31 2017 Return: Fri Sep 8 2017 Trip spans 9 days
American Airlines
American Airlines
STL
2:00a
SJU
7:59a
5h 59m
1 stop
SJU
10:55a
STL
6:28p
7h 33m
1 stop
Depart: Wed Sep 13 2017 Return: Wed Sep 20 2017 Trip spans 8 days
American Airlines
American Airlines
STL
2:00a
SJU
9:31a
7h 31m
1 stop
SJU
10:55a
STL
8:12p
9h 17m
1 stop
Depart: Sun Sep 3 2017 Return: Wed Sep 6 2017 Trip spans 4 days
United
United
STL
7:20a
SJU
7:35p
12h 15m
2 stops
SJU
8:50a
STL
4:19p
7h 29m
1 stop
Depart: Sat Sep 16 2017 Return: Sat Sep 23 2017 Trip spans 8 days
American Airlines
American Airlines
STL
10:07a
SJU
4:40p
6h 33m
1 stop
SJU
10:55a
STL
8:12p
9h 17m
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

St. Louis
$307
Destination

San Juan
$307