Find Cheap Flights from Seattle 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 to San Juan

(Round-trip)
Depart: Wed Sep 6 2017 Return: Tue Sep 12 2017 Trip spans 7 days
American Airlines
American Airlines
SEA
2:00a
SJU
4:59p
14h 59m
2 stops
SJU
2:40a
SEA
9:27p
18h 47m
2 stops
Depart: Mon Sep 4 2017 Return: Wed Sep 13 2017 Trip spans 10 days
Major Airline
Major Airline
SEA
5:44a
SJU
9:59p
16h 15m
1 stop
SJU
2:02a
SEA
4:09p
14h 07m
1 stop
Depart: Tue Sep 5 2017 Return: Wed Sep 13 2017 Trip spans 9 days
United
United
SEA
8:53p
SJU
6:15a
9h 22m
1 stop
SJU
12:50p
SEA
11:15p
10h 25m
1 stop
Depart: Mon Sep 11 2017 Return: Tue Sep 19 2017 Trip spans 9 days
Delta
Delta
SEA
3:45a
SJU
3:24p
11h 39m
1 stop
SJU
10:14a
SEA
8:49p
10h 35m
1 stop
Depart: Fri Jun 16 2017 Return: Mon Jun 19 2017 Trip spans 4 days
JetBlue
JetBlue
SEA
9:29a
SJU
8:36p
11h 07m
1 stop
SJU
6:00a
SEA
8:26p
14h 26m
1 stop
Depart: Sun Aug 20 2017 Return: Wed Aug 30 2017 Trip spans 11 days
American Airlines
American Airlines
SEA
4:20p
SJU
6:06a
13h 46m
2 stops
SJU
5:45a
SEA
9:27p
15h 42m
2 stops
Depart: Tue Sep 12 2017 Return: Mon Sep 18 2017 Trip spans 7 days
Major Airline
Major Airline
SEA
11:00p
SJU
3:46a
28h 46m
1 stop
SJU
9:15p
SEA
4:09p
18h 54m
1 stop
Depart: Wed Sep 13 2017 Return: Tue Sep 19 2017 Trip spans 7 days
Delta
Delta
SEA
3:45a
SJU
3:13p
11h 28m
1 stop
SJU
10:14a
SEA
8:49p
10h 35m
1 stop
Depart: Tue Sep 19 2017 Return: Wed Sep 27 2017 Trip spans 9 days
United
United
SEA
8:53p
SJU
6:15a
9h 22m
1 stop
SJU
8:50a
SEA
11:15p
14h 25m
2 stops
Depart: Mon Sep 18 2017 Return: Tue Sep 26 2017 Trip spans 9 days
Delta
Delta
SEA
6:45p
SJU
5:08a
10h 23m
1 stop
SJU
10:14a
SEA
10:54p
12h 40m
1 stop
Depart: Thu Sep 21 2017 Return: Thu Sep 28 2017 Trip spans 8 days
Major Airline
Major Airline
SEA
2:19p
SJU
4:44p
26h 25m
1 stop
SJU
3:39a
SEA
5:39p
14h 00m
1 stop
Depart: Tue Sep 26 2017 Return: Wed Oct 4 2017 Trip spans 9 days
United
United
SEA
2:20p
SJU
6:15a
15h 55m
2 stops
SJU
12:50p
SEA
11:15p
10h 25m
1 stop
Depart: Tue May 30 2017 Return: Wed Jun 7 2017 Trip spans 9 days
American Airlines
American Airlines
SEA
8:14p
SJU
6:42a
10h 28m
1 stop
SJU
4:20a
SEA
9:30p
17h 10m
2 stops
Depart: Wed Sep 20 2017 Return: Tue Sep 26 2017 Trip spans 7 days
Delta
Delta
SEA
3:45a
SJU
2:34p
10h 49m
1 stop
SJU
10:14a
SEA
10:54p
12h 40m
1 stop
Depart: Tue Aug 29 2017 Return: Wed Sep 6 2017 Trip spans 9 days
American Airlines
American Airlines
SEA
1:10a
SJU
4:59p
15h 49m
2 stops
SJU
5:22a
SEA
9:27p
16h 05m
2 stops
Depart: Wed Oct 25 2017 Return: Mon Oct 30 2017 Trip spans 6 days
Major Airline
Major Airline
SEA
2:19p
SJU
3:27a
13h 08m
2 stops
SJU
10:00p
SEA
3:25p
17h 25m
2 stops
Depart: Mon Sep 25 2017 Return: Tue Oct 3 2017 Trip spans 9 days
Delta
Delta
SEA
6:45p
SJU
5:08a
10h 23m
1 stop
SJU
11:50a
SEA
10:54p
11h 04m
1 stop
Depart: Thu Oct 12 2017 Return: Fri Oct 13 2017 Trip spans 2 days
American Airlines
American Airlines
SEA
2:00a
SJU
4:59p
14h 59m
2 stops
SJU
7:00a
SEA
11:15p
16h 15m
2 stops
Depart: Fri Oct 13 2017 Return: Fri Oct 20 2017 Trip spans 8 days
Major Airline
Major Airline
SEA
2:19p
SJU
10:01p
31h 42m
1 stop
SJU
9:15p
SEA
4:09p
18h 54m
1 stop
Depart: Wed Sep 27 2017 Return: Tue Oct 3 2017 Trip spans 7 days
Delta
Delta
SEA
3:45a
SJU
3:13p
11h 28m
1 stop
SJU
11:50a
SEA
10:54p
11h 04m
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.

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Airports
Origin

Seattle
$455
Destination

San Juan
$455