Find Deals on Flights from Seattle/Tacoma Intl to San Juan

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 Seattle/Tacoma Intl to San Juan

(Round-trip)
Depart: Tue Apr 25 2017 Return: Wed Apr 26 2017 Trip spans 2 days
United
United
SEA
1:20a
SJU
5:25p
16h 05m
2 stops
SJU
9:30p
SEA
4:45p
19h 15m
2 stops
Depart: Sun Apr 30 2017 Return: Thu May 4 2017 Trip spans 5 days
American Airlines
American Airlines
SEA
6:20p
SJU
6:42a
12h 22m
1 stop
SJU
9:32a
SEA
9:53p
12h 21m
1 stop
Depart: Sat Apr 29 2017 Return: Mon May 8 2017 Trip spans 10 days
Major Airline
Major Airline
SEA
3:38p
SJU
4:45p
25h 07m
1 stop
SJU
9:52a
SEA
7:25a
21h 33m
1 stop
Depart: Sat May 6 2017 Return: Fri May 12 2017 Trip spans 7 days
JetBlue
JetBlue
SEA
6:43a
SJU
6:55p
12h 12m
1 stop
SJU
11:06p
SEA
8:52a
33h 46m
1 stop
Depart: Thu Apr 27 2017 Return: Thu May 4 2017 Trip spans 8 days
Delta
Delta
SEA
3:40a
SJU
3:23p
11h 43m
1 stop
SJU
10:20a
SEA
9:18p
10h 58m
1 stop
Depart: Sun Sep 17 2017 Return: Mon Oct 2 2017 Trip spans 16 days
American Airlines
American Airlines
SEA
6:10p
SJU
6:23a
12h 13m
1 stop
SJU
4:15a
SEA
5:29p
13h 14m
1 stop
Depart: Sat Apr 22 2017 Return: Tue Apr 25 2017 Trip spans 4 days
United
United
SEA
6:41a
SJU
6:00p
11h 19m
2 stops
SJU
9:30p
SEA
8:50a
11h 20m
1 stop
Depart: Sun Sep 24 2017 Return: Mon Oct 2 2017 Trip spans 9 days
American Airlines
American Airlines
SEA
6:10p
SJU
6:23a
12h 13m
1 stop
SJU
4:15a
SEA
5:29p
13h 14m
1 stop
Depart: Tue Sep 5 2017 Return: Tue Sep 12 2017 Trip spans 8 days
United
United
SEA
8:30p
SJU
8:45a
12h 15m
1 stop
SJU
12:50p
SEA
11:15p
10h 25m
1 stop
Depart: Wed Apr 26 2017 Return: Thu May 4 2017 Trip spans 9 days
American Airlines
American Airlines
SEA
3:30a
SJU
4:57p
13h 27m
1 stop
SJU
9:32a
SEA
9:53p
12h 21m
1 stop
Depart: Sat Sep 23 2017 Return: Tue Sep 26 2017 Trip spans 4 days
United
United
SEA
6:30p
SJU
4:10a
9h 40m
1 stop
SJU
8:50a
SEA
11:51p
15h 01m
2 stops
Depart: Wed Sep 6 2017 Return: Wed Sep 13 2017 Trip spans 8 days
Delta
Delta
SEA
2:25p
SJU
4:54a
14h 29m
2 stops
SJU
3:00a
SEA
8:00p
17h 00m
2 stops
Depart: Fri Apr 28 2017 Return: Tue May 9 2017 Trip spans 12 days
Major Airline
Major Airline
SEA
2:26p
SJU
8:50a
18h 24m
2 stops
SJU
2:47a
SEA
7:25a
28h 38m
2 stops
Depart: Mon May 1 2017 Return: Thu May 4 2017 Trip spans 4 days
American Airlines
American Airlines
SEA
7:59p
SJU
8:14a
12h 15m
1 stop
SJU
11:30a
SEA
10:01p
10h 31m
1 stop
Depart: Fri May 5 2017 Return: Fri May 12 2017 Trip spans 8 days
JetBlue
JetBlue
SEA
6:43a
SJU
6:55p
12h 12m
1 stop
SJU
11:06p
SEA
8:52a
33h 46m
1 stop
Depart: Tue Jun 6 2017 Return: Tue Jun 13 2017 Trip spans 8 days
Delta
Delta
SEA
1:00p
SJU
5:07a
16h 07m
2 stops
SJU
3:00a
SEA
7:15p
16h 15m
2 stops
Depart: Tue May 9 2017 Return: Sun May 14 2017 Trip spans 6 days
Major Airline
Major Airline
SEA
5:16a
SJU
4:49p
11h 33m
2 stops
SJU
10:00p
SEA
7:25a
33h 25m
2 stops
Depart: Tue May 2 2017 Return: Thu May 4 2017 Trip spans 3 days
American Airlines
American Airlines
SEA
6:45p
SJU
5:59a
11h 14m
1 stop
SJU
9:45a
SEA
10:01p
12h 16m
1 stop
Depart: Thu May 4 2017 Return: Wed May 10 2017 Trip spans 7 days
Delta
Delta
SEA
1:00p
SJU
5:07a
16h 07m
2 stops
SJU
3:00a
SEA
8:49p
17h 49m
2 stops
Depart: Mon Apr 17 2017 Return: Thu Apr 20 2017 Trip spans 4 days
Major Airline
Major Airline
SEA
2:26p
SJU
1:40p
23h 14m
1 stop
SJU
6:31a
SEA
6:58p
12h 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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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

Seattle
$428
Destination

San Juan
$428