Find Cheap Flights from Washington 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 Washington to Puerto Rico

(Round-trip)
Depart: Wed Oct 4 2017 Return: Fri Oct 6 2017 Trip spans 3 days
Frontier
Frontier
IAD
2:15a
SJU
7:29p
17h 14m
1 stop
SJU
10:15p
IAD
2:39p
16h 24m
1 stop
Depart: Fri Sep 29 2017 Return: Sat Sep 30 2017 Trip spans 2 days
JetBlue
JetBlue
DCA
11:48a
BQN
8:43p
8h 55m
1 stop
BQN
9:55p
DCA
5:26a
7h 31m
1 stop
Depart: Tue Dec 12 2017 Return: Wed Dec 13 2017 Trip spans 2 days
American Airlines
American Airlines
DCA
10:35a
SJU
6:58p
8h 23m
1 stop
SJU
2:30a
DCA
9:49a
7h 19m
1 stop
Depart: Sun Oct 22 2017 Return: Wed Oct 25 2017 Trip spans 4 days
United
United
IAD
4:15a
SJU
8:00a
3h 45m
nonstop
SJU
10:30a
IAD
7:44p
9h 14m
1 stop
Depart: Fri Jan 5 2018 Return: Fri Jan 12 2018 Trip spans 8 days
Delta
Delta
DCA
6:15a
SJU
1:56p
7h 41m
1 stop
SJU
3:00a
DCA
10:43a
7h 43m
1 stop
Depart: Tue Nov 7 2017 Return: Mon Nov 13 2017 Trip spans 7 days
Frontier
Frontier
IAD
7:30a
SJU
6:11p
10h 41m
1 stop
SJU
10:05p
IAD
7:44a
9h 39m
1 stop
Depart: Thu Sep 14 2017 Return: Wed Oct 4 2017 Trip spans 21 days
JetBlue
JetBlue
IAD
4:26p
BQN
11:48p
7h 22m
1 stop
BQN
1:00a
IAD
9:49a
8h 49m
1 stop
Depart: Tue Dec 5 2017 Return: Fri Dec 8 2017 Trip spans 4 days
Frontier
Frontier
IAD
7:30a
SJU
6:11p
10h 41m
1 stop
SJU
10:05p
IAD
7:44a
9h 39m
1 stop
Depart: Wed Nov 1 2017 Return: Tue Nov 7 2017 Trip spans 7 days
JetBlue
JetBlue
IAD
4:36p
BQN
11:36p
7h 00m
1 stop
BQN
1:00a
IAD
7:12a
6h 12m
1 stop
Depart: Wed Dec 6 2017 Return: Tue Dec 12 2017 Trip spans 7 days
Frontier
Frontier
IAD
7:30a
SJU
6:11p
10h 41m
1 stop
SJU
10:07p
IAD
2:58p
16h 51m
1 stop
Depart: Sat Jan 20 2018 Return: Sat Jan 27 2018 Trip spans 8 days
American Airlines
American Airlines
DCA
10:35a
SJU
4:45p
6h 10m
1 stop
SJU
10:40a
DCA
7:29p
8h 49m
1 stop
Depart: Mon Oct 9 2017 Return: Fri Oct 13 2017 Trip spans 5 days
United
United
DCA
4:35p
SJU
7:35a
15h 00m
1 stop
SJU
8:55a
DCA
6:25p
9h 30m
2 stops
Depart: Sat Nov 4 2017 Return: Tue Nov 7 2017 Trip spans 4 days
JetBlue
JetBlue
IAD
4:36p
BQN
11:36p
7h 00m
1 stop
BQN
1:00a
IAD
7:12a
6h 12m
1 stop
Depart: Wed Jan 17 2018 Return: Fri Jan 19 2018 Trip spans 3 days
Frontier
Frontier
IAD
7:49a
SJU
5:59p
10h 10m
1 stop
SJU
10:07p
IAD
7:59a
9h 52m
1 stop
Depart: Sun Dec 10 2017 Return: Sat Dec 16 2017 Trip spans 7 days
American Airlines
American Airlines
DCA
12:31p
SJU
6:58p
6h 27m
1 stop
SJU
1:40p
DCA
7:29p
5h 49m
1 stop
Depart: Thu Jan 18 2018 Return: Mon Jan 22 2018 Trip spans 5 days
United
United
DCA
2:45p
SJU
12:09a
9h 24m
1 stop
SJU
2:08a
DCA
11:55a
9h 47m
1 stop
Depart: Tue Jan 23 2018 Return: Fri Jan 26 2018 Trip spans 4 days
Frontier
Frontier
IAD
7:49a
SJU
5:59p
10h 10m
1 stop
SJU
10:07p
IAD
7:59a
9h 52m
1 stop
Depart: Fri Oct 20 2017 Return: Sun Oct 22 2017 Trip spans 3 days
JetBlue
JetBlue
DCA
11:48a
BQN
8:43p
8h 55m
1 stop
BQN
9:55p
DCA
5:26a
7h 31m
1 stop
Depart: Sat Oct 21 2017 Return: Wed Oct 25 2017 Trip spans 5 days
American Airlines
American Airlines
DCA
2:30a
SJU
8:09a
5h 39m
1 stop
SJU
11:35a
DCA
7:56p
8h 21m
1 stop
Depart: Tue Feb 20 2018 Return: Wed Feb 21 2018 Trip spans 2 days
United
United
DCA
1:15a
SJU
10:30a
9h 15m
1 stop
SJU
2:08a
DCA
11:55a
9h 47m
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

Washington
only $259
only $272
Destination

Aguadilla
$272
San Juan
$259