Find Cheap Flights from Ontario 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 Ontario to Puerto Rico

(Round-trip)
Depart: Mon Sep 11 2017 Return: Wed Sep 20 2017 Trip spans 10 days
United
United
ONT
12:00a
SJU
2:55p
14h 55m
2 stops
SJU
12:00a
ONT
12:56p
12h 56m
2 stops
Depart: Thu Jul 27 2017 Return: Wed Aug 2 2017 Trip spans 7 days
Multiple Airlines
Multiple Airlines
ONT
12:00a
SJU
2:31p
14h 31m
2 stops
SJU
12:00a
ONT
6:05p
18h 05m
2 stops
Depart: Wed Aug 16 2017 Return: Thu Sep 7 2017 Trip spans 23 days
American Airlines
American Airlines
ONT
12:00a
SJU
8:44a
8h 44m
1 stop
SJU
12:00a
ONT
12:19p
12h 19m
2 stops
Depart: Mon Sep 25 2017 Return: Tue Oct 3 2017 Trip spans 9 days
United
United
ONT
12:00a
SJU
12:50p
12h 50m
2 stops
SJU
12:00a
ONT
12:56p
12h 56m
2 stops
Depart: Fri Jul 28 2017 Return: Wed Aug 2 2017 Trip spans 6 days
Multiple Airlines
Multiple Airlines
ONT
12:00a
SJU
2:31p
14h 31m
3 stops
SJU
12:00a
ONT
6:05p
18h 05m
2 stops
Depart: Tue Sep 26 2017 Return: Tue Oct 3 2017 Trip spans 8 days
United
United
ONT
12:00a
SJU
12:50p
12h 50m
2 stops
SJU
12:00a
ONT
12:56p
12h 56m
2 stops
Depart: Sat Jul 29 2017 Return: Wed Aug 2 2017 Trip spans 5 days
Multiple Airlines
Multiple Airlines
ONT
12:00a
SJU
11:53a
11h 53m
2 stops
SJU
12:00a
ONT
6:05p
18h 05m
2 stops
Depart: Mon Sep 25 2017 Return: Sun Oct 1 2017 Trip spans 7 days
United
United
ONT
12:00a
SJU
1:45p
13h 45m
2 stops
SJU
12:00a
ONT
12:39a
24h 39m
2 stops
Depart: Sun Aug 13 2017 Return: Wed Sep 6 2017 Trip spans 25 days
American Airlines
American Airlines
ONT
12:00a
SJU
4:37p
16h 37m
1 stop
SJU
12:00a
ONT
9:28p
21h 28m
2 stops
Depart: Sat Aug 5 2017 Return: Wed Aug 9 2017 Trip spans 5 days
Multiple Airlines
Multiple Airlines
ONT
12:00a
SJU
2:31p
14h 31m
2 stops
SJU
12:00a
ONT
3:38p
15h 38m
2 stops
Depart: Thu Oct 19 2017 Return: Sun Oct 29 2017 Trip spans 11 days
$1163
Select
Delta
Delta
ONT
12:00a
SJU
2:43p
14h 43m
2 stops
SJU
12:00a
ONT
12:03p
12h 03m
2 stops
Depart: Tue Sep 26 2017 Return: Sun Oct 1 2017 Trip spans 6 days
United
United
ONT
12:00a
SJU
2:55p
14h 55m
2 stops
SJU
12:00a
ONT
12:39a
24h 39m
2 stops
Depart: Fri Aug 18 2017 Return: Wed Sep 6 2017 Trip spans 20 days
American Airlines
American Airlines
ONT
12:00a
SJU
3:29a
27h 29m
1 stop
SJU
12:00a
ONT
9:28p
21h 28m
2 stops
Depart: Mon Sep 25 2017 Return: Fri Oct 6 2017 Trip spans 12 days
United
United
ONT
12:00a
SJU
12:50p
12h 50m
2 stops
SJU
12:00a
ONT
1:05a
25h 05m
2 stops
Depart: Sat Aug 12 2017 Return: Wed Sep 6 2017 Trip spans 26 days
American Airlines
American Airlines
ONT
12:00a
SJU
8:44a
8h 44m
1 stop
SJU
12:00a
ONT
9:28p
21h 28m
2 stops
Depart: Tue Sep 26 2017 Return: Fri Oct 6 2017 Trip spans 11 days
United
United
ONT
12:00a
SJU
12:50p
12h 50m
2 stops
SJU
12:00a
ONT
2:40a
26h 40m
2 stops
Depart: Wed Sep 27 2017 Return: Mon Oct 2 2017 Trip spans 6 days
Multiple Airlines
Multiple Airlines
ONT
12:00a
SJU
9:01a
33h 01m
2 stops
SJU
12:00a
ONT
8:10p
20h 10m
2 stops
Depart: Sun Aug 13 2017 Return: Thu Sep 7 2017 Trip spans 26 days
American Airlines
American Airlines
ONT
12:00a
SJU
4:37p
16h 37m
1 stop
SJU
12:00a
ONT
12:19p
12h 19m
2 stops
Depart: Fri Jul 28 2017 Return: Thu Aug 3 2017 Trip spans 7 days
United
United
ONT
12:00a
SJU
7:50p
19h 50m
2 stops
SJU
12:00a
ONT
1:14p
13h 14m
2 stops
Depart: Thu Aug 17 2017 Return: Thu Sep 7 2017 Trip spans 22 days
American Airlines
American Airlines
ONT
12:00a
SJU
4:37p
16h 37m
1 stop
SJU
12:00a
ONT
12:19p
12h 19m
2 stops
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

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

Ontario
$434
Destination

San Juan
$434