Find Cheap Flights from Pittsburgh 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.
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 Pittsburgh to Puerto Rico

(Round-trip)
Depart: Sat Jan 6 2018 Return: Sat Jan 13 2018 Trip spans 8 days
Allegiant Air
Allegiant Air
PIT
2:30a
SJU
6:52a
4h 22m
nonstop
SJU
8:37a
PIT
12:50p
4h 13m
nonstop
Depart: Sat Sep 9 2017 Return: Tue Sep 12 2017 Trip spans 4 days
Frontier
Frontier
PIT
6:25a
SJU
8:39p
14h 14m
1 stop
SJU
10:25p
PIT
5:25a
7h 00m
1 stop
Depart: Wed Jan 31 2018 Return: Wed Feb 7 2018 Trip spans 8 days
American Airlines
American Airlines
PIT
3:40a
SJU
10:13a
6h 33m
1 stop
SJU
10:40a
PIT
7:26p
8h 46m
1 stop
Depart: Tue Sep 19 2017 Return: Thu Sep 28 2017 Trip spans 10 days
United
United
PIT
2:00a
SJU
11:52a
9h 52m
1 stop
SJU
10:30a
PIT
7:56p
9h 26m
1 stop
Depart: Wed Nov 15 2017 Return: Thu Nov 16 2017 Trip spans 2 days
Spirit Airlines
Spirit Airlines
PIT
1:30a
SJU
10:27a
8h 57m
1 stop
SJU
12:28p
PIT
6:05a
17h 37m
1 stop
Depart: Wed Jan 3 2018 Return: Tue Jan 9 2018 Trip spans 7 days
Delta
Delta
PIT
12:50a
SJU
7:08a
6h 18m
1 stop
SJU
9:10a
PIT
7:08p
9h 58m
1 stop
Depart: Fri Aug 25 2017 Return: Tue Aug 29 2017 Trip spans 5 days
JetBlue
JetBlue
PIT
3:15a
SJU
1:07p
9h 52m
1 stop
SJU
12:59p
PIT
7:23p
6h 24m
1 stop
Depart: Wed Sep 13 2017 Return: Fri Sep 22 2017 Trip spans 10 days
Frontier
Frontier
PIT
6:25a
SJU
8:39p
14h 14m
1 stop
SJU
10:25p
PIT
5:25a
7h 00m
1 stop
Depart: Sat Jan 13 2018 Return: Sat Jan 20 2018 Trip spans 8 days
Allegiant Air
Allegiant Air
PIT
2:30a
SJU
6:52a
4h 22m
nonstop
SJU
8:37a
PIT
12:50p
4h 13m
nonstop
Depart: Sat Feb 3 2018 Return: Sat Feb 10 2018 Trip spans 8 days
American Airlines
American Airlines
PIT
10:45a
SJU
4:45p
6h 00m
1 stop
SJU
12:40p
PIT
7:26p
6h 46m
1 stop
Depart: Sun Oct 29 2017 Return: Fri Nov 3 2017 Trip spans 6 days
United
United
PIT
3:45p
SJU
9:05a
17h 20m
2 stops
SJU
12:10p
PIT
9:19a
21h 09m
2 stops
Depart: Wed Sep 20 2017 Return: Tue Sep 26 2017 Trip spans 7 days
Frontier
Frontier
PIT
6:25a
SJU
8:39p
14h 14m
1 stop
SJU
10:25p
PIT
5:25a
7h 00m
1 stop
Depart: Sun Feb 4 2018 Return: Sat Feb 10 2018 Trip spans 7 days
American Airlines
American Airlines
PIT
5:35a
SJU
11:45a
6h 10m
1 stop
SJU
1:40p
PIT
7:26p
5h 46m
1 stop
Depart: Sat Feb 10 2018 Return: Sat Feb 17 2018 Trip spans 8 days
United
United
PIT
6:10a
SJU
8:45p
14h 35m
2 stops
SJU
1:00a
PIT
1:03p
12h 03m
1 stop
Depart: Sat Sep 23 2017 Return: Tue Sep 26 2017 Trip spans 4 days
Frontier
Frontier
PIT
6:25a
SJU
8:39p
14h 14m
1 stop
SJU
10:25p
PIT
5:25a
7h 00m
1 stop
Depart: Sun Dec 3 2017 Return: Sat Dec 9 2017 Trip spans 7 days
American Airlines
American Airlines
PIT
8:15a
SJU
4:40p
8h 25m
1 stop
SJU
12:35p
PIT
7:39p
7h 04m
1 stop
Depart: Wed Nov 22 2017 Return: Wed Nov 29 2017 Trip spans 8 days
Delta
Delta
PIT
8:30a
SJU
4:34p
8h 04m
1 stop
SJU
8:50a
PIT
3:18p
6h 28m
1 stop
Depart: Thu Nov 9 2017 Return: Sun Nov 12 2017 Trip spans 4 days
Spirit Airlines
Spirit Airlines
PIT
1:30a
SJU
10:27a
8h 57m
1 stop
SJU
12:28p
PIT
6:05a
17h 37m
1 stop
Depart: Fri Sep 22 2017 Return: Tue Sep 26 2017 Trip spans 5 days
Frontier
Frontier
PIT
6:25a
SJU
8:39p
14h 14m
1 stop
SJU
10:25p
PIT
5:25a
7h 00m
1 stop
Depart: Sun Dec 10 2017 Return: Sat Dec 16 2017 Trip spans 7 days
American Airlines
American Airlines
PIT
8:15a
SJU
6:58p
10h 43m
2 stops
SJU
12:40p
PIT
7:26p
6h 46m
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.

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

Pittsburgh
$237
Destination

San Juan
$237