Find Cheap Flights from Washington Dulles Intl 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 Dulles Intl to Puerto Rico

(Round-trip)
Depart: Wed Oct 4 2017 Return: Tue Oct 10 2017 Trip spans 7 days
Frontier
Frontier
IAD
2:15a
SJU
7:29p
17h 14m
1 stop
SJU
10:15p
IAD
2:39p
16h 24m
1 stop
Depart: Tue Oct 31 2017 Return: Sat Nov 4 2017 Trip spans 5 days
JetBlue
JetBlue
IAD
4:36p
BQN
11:36p
7h 00m
1 stop
BQN
1:00a
IAD
7:12a
6h 12m
1 stop
Depart: Sun Oct 15 2017 Return: Thu Oct 19 2017 Trip spans 5 days
United
United
IAD
4:15a
SJU
8:00a
3h 45m
nonstop
SJU
10:30a
IAD
7:44p
9h 14m
1 stop
Depart: Tue Oct 10 2017 Return: Tue Oct 17 2017 Trip spans 8 days
Delta
Delta
IAD
3:11a
SJU
11:52a
8h 41m
1 stop
SJU
3:06a
IAD
11:25a
8h 19m
1 stop
Depart: Thu Dec 14 2017 Return: Wed Dec 20 2017 Trip spans 7 days
American Airlines
American Airlines
IAD
12:20a
SJU
8:41a
8h 21m
1 stop
SJU
1:40p
IAD
7:25p
5h 45m
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: Wed Nov 1 2017 Return: Sat Nov 4 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: 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: 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 Dec 6 2017 Return: Fri Dec 8 2017 Trip spans 3 days
Frontier
Frontier
IAD
7:30a
SJU
6:11p
10h 41m
1 stop
SJU
10:05p
IAD
7:44a
9h 39m
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: Wed Oct 11 2017 Return: Tue Oct 17 2017 Trip spans 7 days
Delta
Delta
IAD
8:15a
SJU
5:41p
9h 26m
1 stop
SJU
3:06a
IAD
11:25a
8h 19m
1 stop
Depart: Tue Jan 16 2018 Return: Tue Jan 23 2018 Trip spans 8 days
Frontier
Frontier
IAD
7:49a
SJU
5:59p
10h 10m
1 stop
SJU
10:07p
IAD
7:59a
9h 52m
1 stop
Depart: Mon Oct 23 2017 Return: Tue Oct 31 2017 Trip spans 9 days
United
United
IAD
6:15p
SJU
7:35a
13h 20m
1 stop
SJU
10:05a
IAD
7:53p
9h 48m
1 stop
Depart: Mon Dec 11 2017 Return: Tue Dec 19 2017 Trip spans 9 days
Delta
Delta
IAD
2:55a
SJU
9:52a
6h 57m
1 stop
SJU
3:00a
IAD
11:37a
8h 37m
1 stop
Depart: Fri Oct 27 2017 Return: Mon Oct 30 2017 Trip spans 4 days
JetBlue
JetBlue
IAD
4:26p
BQN
11:48p
7h 22m
1 stop
BQN
1:00a
IAD
7:12a
6h 12m
1 stop
Depart: Wed Jan 17 2018 Return: Tue Jan 23 2018 Trip spans 7 days
Frontier
Frontier
IAD
7:49a
SJU
5:59p
10h 10m
1 stop
SJU
10:07p
IAD
7:59a
9h 52m
1 stop
Depart: Tue Dec 12 2017 Return: Tue Dec 19 2017 Trip spans 8 days
Delta
Delta
IAD
2:55a
SJU
9:52a
6h 57m
1 stop
SJU
3:00a
IAD
11:37a
8h 37m
1 stop
Depart: Sun Oct 8 2017 Return: Sat Oct 14 2017 Trip spans 7 days
United
United
IAD
4:15a
SJU
8:00a
3h 45m
nonstop
SJU
8:15a
IAD
12:10p
3h 55m
nonstop
Depart: Tue Jan 23 2018 Return: Mon Jan 29 2018 Trip spans 7 days
Frontier
Frontier
IAD
7:49a
SJU
5:59p
10h 10m
1 stop
SJU
10:07p
IAD
7:59a
9h 52m
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

Washington
$259
Destination

Aguadilla
$277
San Juan
$259