Find Deals on Flights from Ontario 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 Ontario to San Juan

(Round-trip)
Depart: Fri Apr 21 2017 Return: Sat Apr 22 2017 Trip spans 2 days
United
United
ONT
1:50a
SJU
6:50p
17h 00m
2 stops
SJU
2:30a
ONT
3:21p
12h 51m
2 stops
Depart: Fri Apr 14 2017 Return: Wed Apr 26 2017 Trip spans 13 days
American Airlines
American Airlines
ONT
9:15p
SJU
5:34a
8h 19m
1 stop
SJU
4:55a
ONT
5:12p
12h 17m
1 stop
Depart: Wed May 3 2017 Return: Wed May 10 2017 Trip spans 8 days
Major Airline
Major Airline
ONT
1:00a
SJU
4:40a
3h 40m
2 stops
SJU
1:00a
ONT
10:40a
9h 40m
2 stops
Depart: Wed Apr 19 2017 Return: Mon Apr 24 2017 Trip spans 6 days
United
United
ONT
3:15p
SJU
6:27a
15h 12m
2 stops
SJU
9:30p
ONT
11:06a
13h 36m
2 stops
Depart: Thu Apr 27 2017 Return: Fri Apr 28 2017 Trip spans 2 days
United
United
ONT
1:50a
SJU
5:25p
15h 35m
2 stops
SJU
10:25a
ONT
6:26a
20h 01m
2 stops
Depart: Mon Apr 17 2017 Return: Wed Apr 26 2017 Trip spans 10 days
American Airlines
American Airlines
ONT
9:15p
SJU
5:43a
8h 28m
1 stop
SJU
9:32a
ONT
7:08p
9h 36m
1 stop
Depart: Tue Apr 11 2017 Return: Tue Apr 18 2017 Trip spans 8 days
Major Airline
Major Airline
ONT
1:00a
SJU
4:40a
3h 40m
2 stops
SJU
1:00a
ONT
10:40a
9h 40m
2 stops
Depart: Mon Apr 10 2017 Return: Tue Apr 18 2017 Trip spans 9 days
American Airlines
American Airlines
ONT
9:15p
SJU
9:24a
12h 09m
2 stops
SJU
2:40a
ONT
5:12p
14h 32m
2 stops
Depart: Wed Apr 26 2017 Return: Tue May 2 2017 Trip spans 7 days
United
United
ONT
5:05p
SJU
6:27a
13h 22m
2 stops
SJU
10:22a
ONT
11:06p
12h 44m
2 stops
Depart: Sat Apr 29 2017 Return: Wed May 3 2017 Trip spans 5 days
United
United
ONT
4:05p
SJU
6:27a
14h 22m
2 stops
SJU
9:30p
ONT
7:36a
34h 06m
2 stops
Depart: Mon Apr 3 2017 Return: Tue Apr 4 2017 Trip spans 2 days
American Airlines
American Airlines
ONT
5:55a
SJU
5:25p
11h 30m
2 stops
SJU
12:43p
ONT
8:01a
19h 18m
2 stops
Depart: Fri Jun 9 2017 Return: Fri Jun 23 2017 Trip spans 15 days
Major Airline
Major Airline
ONT
1:00a
SJU
4:40a
3h 40m
2 stops
SJU
1:00a
ONT
10:40a
9h 40m
2 stops
Depart: Fri Apr 28 2017 Return: Wed May 3 2017 Trip spans 6 days
American Airlines
American Airlines
ONT
2:20a
SJU
11:35a
9h 15m
1 stop
SJU
4:55a
ONT
5:12p
12h 17m
1 stop
Depart: Tue Apr 18 2017 Return: Sat Apr 22 2017 Trip spans 5 days
United
United
ONT
3:15p
SJU
6:27a
15h 12m
2 stops
SJU
2:30a
ONT
3:21p
12h 51m
2 stops
Depart: Mon May 8 2017 Return: Sun May 14 2017 Trip spans 7 days
American Airlines
American Airlines
ONT
9:15p
SJU
5:34a
8h 19m
1 stop
SJU
4:55a
ONT
5:12p
12h 17m
1 stop
Depart: Thu Apr 20 2017 Return: Sat Apr 22 2017 Trip spans 3 days
United
United
ONT
1:50a
SJU
5:25p
15h 35m
2 stops
SJU
2:30a
ONT
5:45p
15h 15m
2 stops
Depart: Tue Jun 20 2017 Return: Tue Jun 27 2017 Trip spans 8 days
$1756
Select
Delta
Delta
ONT
2:20p
SJU
4:54a
14h 34m
2 stops
SJU
10:14a
ONT
9:39p
11h 25m
2 stops
Depart: Wed May 10 2017 Return: Thu May 11 2017 Trip spans 2 days
American Airlines
American Airlines
ONT
2:20a
SJU
11:35a
9h 15m
1 stop
SJU
9:32a
ONT
7:08p
9h 36m
1 stop
Depart: Sun May 14 2017 Return: Sun May 21 2017 Trip spans 8 days
United
United
ONT
5:10p
SJU
6:15a
13h 05m
2 stops
SJU
2:00a
ONT
5:40p
15h 40m
2 stops
Depart: Thu May 25 2017 Return: Sun May 28 2017 Trip spans 4 days
Major Airline
Major Airline
ONT
1:00a
SJU
4:40a
3h 40m
nonstop
SJU
1:00a
ONT
10:40a
9h 40m
nonstop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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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

Ontario
$428
Destination

San Juan
$428