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: Tue Oct 17 2017 Return: Thu Oct 19 2017 Trip spans 3 days
Major Airline
Major Airline
IAD
10:20p
SJU
7:44p
21h 24m
1 stop
SJU
6:20a
IAD
3:34p
9h 14m
1 stop
Depart: Sat Sep 30 2017 Return: Wed Oct 4 2017 Trip spans 5 days
United
United
IAD
4:15a
SJU
8:05a
3h 50m
nonstop
SJU
10:20a
IAD
7:34p
9h 14m
1 stop
Depart: Thu Sep 7 2017 Return: Tue Sep 12 2017 Trip spans 6 days
Delta
Delta
IAD
3:10a
SJU
11:23a
8h 13m
1 stop
SJU
3:00a
IAD
11:37a
8h 37m
1 stop
Depart: Tue Oct 10 2017 Return: Tue Oct 17 2017 Trip spans 8 days
American Airlines
American Airlines
IAD
2:30a
SJU
10:31a
8h 01m
1 stop
SJU
5:45a
IAD
2:03p
8h 18m
1 stop
Depart: Fri Oct 27 2017 Return: Wed Nov 1 2017 Trip spans 6 days
JetBlue
JetBlue
IAD
4:30p
PSE
11:49p
7h 19m
1 stop
PSE
1:00a
IAD
7:16a
6h 16m
1 stop
Depart: Mon Oct 23 2017 Return: Thu Nov 2 2017 Trip spans 11 days
Major Airline
Major Airline
IAD
2:43a
SJU
9:44a
7h 01m
1 stop
SJU
6:20a
IAD
3:21p
9h 01m
1 stop
Depart: Sun Oct 29 2017 Return: Fri Nov 3 2017 Trip spans 6 days
Major Airline
Major Airline
IAD
10:35p
SJU
8:02a
9h 27m
nonstop
SJU
3:20a
IAD
10:06a
6h 46m
nonstop
Depart: Mon Oct 30 2017 Return: Fri Nov 3 2017 Trip spans 5 days
Major Airline
Major Airline
IAD
10:35p
SJU
5:20a
6h 45m
nonstop
SJU
12:10a
IAD
3:21p
15h 11m
nonstop
Depart: Sun Oct 1 2017 Return: Wed Oct 4 2017 Trip spans 4 days
United
United
IAD
4:15a
SJU
8:05a
3h 50m
nonstop
SJU
10:20a
IAD
7:34p
9h 14m
1 stop
Depart: Fri Sep 8 2017 Return: Tue Sep 12 2017 Trip spans 5 days
Delta
Delta
IAD
3:10a
SJU
11:23a
8h 13m
1 stop
SJU
3:00a
IAD
11:37a
8h 37m
1 stop
Depart: Wed May 10 2017 Return: Thu May 11 2017 Trip spans 2 days
American Airlines
American Airlines
IAD
1:05a
SJU
9:42a
8h 37m
1 stop
SJU
12:43p
IAD
7:45p
7h 02m
1 stop
Depart: Tue Oct 24 2017 Return: Sat Oct 28 2017 Trip spans 5 days
United
United
IAD
1:45a
SJU
11:45a
10h 00m
1 stop
SJU
9:05a
IAD
1:05p
4h 00m
nonstop
Depart: Thu Sep 14 2017 Return: Wed Sep 20 2017 Trip spans 7 days
Delta
Delta
IAD
3:10a
SJU
11:23a
8h 13m
1 stop
SJU
3:00a
IAD
11:37a
8h 37m
1 stop
Depart: Wed Oct 18 2017 Return: Thu Oct 26 2017 Trip spans 9 days
Major Airline
Major Airline
IAD
10:20p
SJU
6:59a
8h 39m
1 stop
SJU
9:15p
IAD
6:00a
8h 45m
1 stop
Depart: Tue May 16 2017 Return: Thu May 25 2017 Trip spans 10 days
American Airlines
American Airlines
IAD
5:19a
SJU
11:36a
6h 17m
1 stop
SJU
11:30a
IAD
7:57p
8h 27m
1 stop
Depart: Wed Sep 27 2017 Return: Tue Oct 3 2017 Trip spans 7 days
Delta
Delta
IAD
10:46a
SJU
5:34p
6h 48m
1 stop
SJU
3:00a
IAD
11:37a
8h 37m
1 stop
Depart: Sun May 21 2017 Return: Thu Jun 8 2017 Trip spans 19 days
United
United
IAD
4:15a
SJU
8:05a
3h 50m
nonstop
SJU
9:24a
IAD
1:24p
4h 00m
nonstop
Depart: Tue Jun 13 2017 Return: Mon Jun 19 2017 Trip spans 7 days
Major Airline
Major Airline
IAD
12:16p
SJU
11:02a
22h 46m
1 stop
SJU
9:26p
IAD
3:44p
18h 18m
1 stop
Depart: Mon Jun 5 2017 Return: Wed Jun 7 2017 Trip spans 3 days
JetBlue
JetBlue
IAD
4:16p
BQN
11:46p
7h 30m
1 stop
BQN
10:33p
IAD
4:50a
6h 17m
1 stop
Depart: Wed May 17 2017 Return: Thu May 25 2017 Trip spans 9 days
American Airlines
American Airlines
IAD
5:19a
SJU
11:36a
6h 17m
1 stop
SJU
11:30a
IAD
7:57p
8h 27m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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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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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
$254
Destination

Aguadilla
$408
San Juan
$254
Ponce
$350