Find Cheap 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: Sat Feb 3 2018 Return: Fri Feb 9 2018 Trip spans 7 days
Frontier
Frontier
STL
12:00a
SJU
2:19p
14h 19m
1 stop
SJU
12:00a
STL
10:19a
10h 19m
1 stop
Depart: Sat Feb 3 2018 Return: Thu Feb 8 2018 Trip spans 6 days
Multiple Airlines
Multiple Airlines
STL
12:00a
SJU
2:19p
14h 19m
1 stop
SJU
12:00a
STL
7:16a
7h 16m
1 stop
Depart: Sun Feb 4 2018 Return: Fri Feb 9 2018 Trip spans 6 days
United
United
STL
12:00a
SJU
10:05a
10h 05m
1 stop
SJU
12:00a
STL
11:19a
11h 19m
2 stops
Depart: Wed Aug 30 2017 Return: Thu Aug 31 2017 Trip spans 2 days
American Airlines
American Airlines
STL
12:00a
SJU
7:42a
7h 42m
1 stop
SJU
12:00a
STL
7:23a
7h 23m
1 stop
Depart: Fri Dec 1 2017 Return: Mon Dec 4 2017 Trip spans 4 days
Delta
Delta
STL
12:00a
SJU
7:14a
7h 14m
1 stop
SJU
12:00a
STL
8:04a
8h 04m
1 stop
Depart: Tue Feb 6 2018 Return: Fri Feb 9 2018 Trip spans 4 days
Frontier
Frontier
STL
12:00a
SJU
2:19p
14h 19m
1 stop
SJU
12:00a
STL
10:19a
10h 19m
1 stop
Depart: Tue Feb 6 2018 Return: Thu Feb 8 2018 Trip spans 3 days
Multiple Airlines
Multiple Airlines
STL
12:00a
SJU
2:19p
14h 19m
1 stop
SJU
12:00a
STL
7:16a
7h 16m
1 stop
Depart: Wed Feb 7 2018 Return: Fri Feb 9 2018 Trip spans 3 days
Frontier
Frontier
STL
12:00a
SJU
2:19p
14h 19m
1 stop
SJU
12:00a
STL
10:19a
10h 19m
1 stop
Depart: Mon Feb 5 2018 Return: Thu Feb 8 2018 Trip spans 4 days
United
United
STL
12:00a
SJU
12:50p
12h 50m
1 stop
SJU
12:00a
STL
8:54a
8h 54m
1 stop
Depart: Wed Feb 7 2018 Return: Thu Feb 8 2018 Trip spans 2 days
Multiple Airlines
Multiple Airlines
STL
12:00a
SJU
2:19p
14h 19m
1 stop
SJU
12:00a
STL
7:16a
7h 16m
1 stop
Depart: Wed Feb 21 2018 Return: Tue Feb 27 2018 Trip spans 7 days
Frontier
Frontier
STL
12:00a
SJU
2:19p
14h 19m
1 stop
SJU
12:00a
STL
10:19a
10h 19m
1 stop
Depart: Fri Feb 2 2018 Return: Wed Feb 7 2018 Trip spans 6 days
United
United
STL
12:00a
SJU
9:09p
21h 09m
1 stop
SJU
12:00a
STL
10:34a
10h 34m
2 stops
Depart: Tue Feb 20 2018 Return: Fri Feb 23 2018 Trip spans 4 days
Multiple Airlines
Multiple Airlines
STL
12:00a
SJU
6:23a
6h 23m
1 stop
SJU
12:00a
STL
10:19a
10h 19m
1 stop
Depart: Sat Feb 3 2018 Return: Mon Feb 5 2018 Trip spans 3 days
Frontier
Frontier
STL
12:00a
SJU
9:33a
9h 33m
1 stop
SJU
12:00a
STL
10:00p
22h 00m
1 stop
Depart: Wed Feb 21 2018 Return: Fri Feb 23 2018 Trip spans 3 days
Multiple Airlines
Multiple Airlines
STL
12:00a
SJU
8:35a
8h 35m
2 stops
SJU
12:00a
STL
10:19a
10h 19m
1 stop
Depart: Wed Feb 21 2018 Return: Mon Feb 26 2018 Trip spans 6 days
Frontier
Frontier
STL
12:00a
SJU
9:33a
9h 33m
1 stop
SJU
12:00a
STL
10:00p
22h 00m
1 stop
Depart: Sun Sep 10 2017 Return: Tue Sep 12 2017 Trip spans 3 days
Multiple Airlines
Multiple Airlines
STL
12:00a
SJU
5:35p
17h 35m
1 stop
SJU
12:00a
STL
4:49p
16h 49m
1 stop
Depart: Wed Sep 13 2017 Return: Sun Sep 17 2017 Trip spans 5 days
Frontier
Frontier
STL
12:00a
SJU
4:04p
16h 04m
1 stop
SJU
12:00a
STL
11:28a
11h 28m
1 stop
Depart: Mon Jan 29 2018 Return: Fri Feb 2 2018 Trip spans 5 days
Multiple Airlines
Multiple Airlines
STL
12:00a
SJU
7:25a
7h 25m
1 stop
SJU
12:00a
STL
10:19a
10h 19m
1 stop
Depart: Fri Dec 1 2017 Return: Fri Dec 8 2017 Trip spans 8 days
Frontier
Frontier
STL
12:00a
SJU
2:31p
14h 31m
1 stop
SJU
12:00a
STL
10:18a
10h 18m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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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
$269
Destination

San Juan
$269