$134+ Cheap flights from Ontario (ONT) to Caribbean
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SJU
mai 19 — mai 261
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Ontario to Caribbean with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to Caribbean
Cheapest
Best
Last-minute
One-way
Cheapest flights from Ontario to CaribbeanExplore the most affordable flight options available from Ontario to Caribbean. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 19, 2026.
Explore the most affordable flight options available from Ontario to Caribbean. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 19, 2026.
This Frontier deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 5/94:04 pm
ONT
- MBJ
2 stops18h 07m
Frontier
qua 5/131:16 pm
MBJ
- ONT
2 stops20h 19m
Frontier
Deal found 4/15![Frontier logo]()
$321
This Priceline deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 6/2011:16 pm
ONT
- SJU
1 stop11h 56m
Multiple Airlines
qua 6/246:25 am
SJU
- ONT
1 stop13h 23m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$358
This Southwest deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 8/114:45 pm
ONT
- SJU
2 stops15h 15m
Southwest
qua 8/195:15 am
SJU
- ONT
2 stops11h 50m
Southwest
Deal found 4/15![Southwest logo]()
$374
This American Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 8/226:00 am
ONT
- MBJ
1 stop8h 13m
American Airlines
sex 8/2812:38 pm
MBJ
- ONT
1 stop10h 33m
American Airlines
Deal found 4/15![American Airlines logo]()
$392
This American Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 8/2911:59 pm
ONT
- SJU
1 stop11h 55m
American Airlines
ter 9/87:14 pm
SJU
- ONT
2 stops17h 15m
American Airlines
Deal found 4/14![American Airlines logo]()
$399
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 5/148:06 pm
ONT
- SJU
2 stops25h 15m
Multiple Airlines
qui 5/212:37 pm
SJU
- ONT
1 stop31h 34m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$401
This Priceline deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 5/108:06 pm
ONT
- MBJ
2 stops38h 05m
Frontier
sex 5/151:16 pm
MBJ
- ONT
2 stops22h 49m
Frontier
Deal found 4/19![Frontier logo]()
$406
This Delta deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 5/1010:00 pm
ONT
- MBJ
1 stop11h 53m
Delta
qua 5/271:18 pm
MBJ
- ONT
1 stop10h 30m
Delta
Deal found 4/18![Delta logo]()
$412
This American Airlines deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 9/188:02 pm
ONT
- SJU
2 stops14h 33m
American Airlines
seg 9/217:05 pm
SJU
- ONT
2 stops17h 24m
American Airlines
Deal found 4/19![American Airlines logo]()
$414
This Delta deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 5/910:00 pm
ONT
- MBJ
1 stop15h 34m
Delta
qua 5/271:18 pm
MBJ
- ONT
1 stop10h 30m
Delta
Deal found 4/18![Delta logo]()
$417
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 8/2710:59 pm
ONT
- SJU
1 stop9h 57m
Delta
ter 9/11:06 pm
SJU
- ONT
2 stops13h 38m
Delta
Deal found 4/16![Delta logo]()
$418
This Priceline deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 6/610:41 pm
ONT
- SJU
1 stop11h 35m
Multiple Airlines
qua 6/106:25 am
SJU
- ONT
1 stop13h 23m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$423
Best flights from Ontario to CaribbeanDiscover carefully curated flight deals from Ontario to Caribbean that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated abril 19, 2026.
Discover carefully curated flight deals from Ontario to Caribbean that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated abril 19, 2026.
This Southwest deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 8/1010:00 am
ONT
- SJU
2 stops10h 50m
Southwest
qua 8/195:15 am
SJU
- ONT
2 stops11h 50m
Southwest
Deal found 4/15![Southwest logo]()
$374
This Delta deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 5/910:00 pm
ONT
- MBJ
1 stop15h 34m
Delta
qua 5/271:18 pm
MBJ
- ONT
1 stop10h 30m
Delta
Deal found 4/18![Delta logo]()
$417
This United Airlines deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 9/275:00 am
ONT
- SJU
1 stop9h 38m
United Airlines
ter 10/62:55 pm
SJU
- ONT
1 stop10h 03m
United Airlines
Deal found 4/18![United Airlines logo]()
$464
This JetBlue deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 8/3111:50 pm
ONT
- SXM
1 stop10h 52m
JetBlue
qua 9/211:20 am
SXM
- ONT
1 stop14h 15m
JetBlue
Deal found 4/15![JetBlue logo]()
$515
This American Airlines deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 5/910:26 pm
ONT
- SXM
1 stop11h 55m
American Airlines
sex 5/222:53 pm
SXM
- ONT
1 stop10h 43m
American Airlines
Deal found 4/18![American Airlines logo]()
$566
This United Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 5/115:00 am
ONT
- SJU
1 stop9h 38m
United Airlines
qui 5/142:55 pm
SJU
- ONT
1 stop10h 03m
United Airlines
Deal found 4/17![United Airlines logo]()
$494
This Delta deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 5/305:45 pm
ONT
- SJU
2 stops16h 35m
Delta
sáb 6/62:48 pm
SJU
- ONT
1 stop10h 00m
Delta
Deal found 4/18![Delta logo]()
$497
This United Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 5/95:00 am
ONT
- MBJ
1 stop8h 45m
United Airlines
qua 5/132:40 pm
MBJ
- ONT
1 stop9h 18m
United Airlines
Deal found 4/16![United Airlines logo]()
$512
This American Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 6/297:12 pm
ONT
- STT
2 stops17h 46m
American Airlines
sáb 7/113:36 pm
STT
- ONT
1 stop9h 58m
American Airlines
Deal found 4/14![American Airlines logo]()
$593
This Southwest deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 7/98:35 am
ONT
- SJU
2 stops12h 30m
Southwest
dom 7/129:50 am
SJU
- ONT
2 stops11h 30m
Southwest
Deal found 4/14![Southwest logo]()
$600
This United Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 6/271:18 pm
ONT
- MBJ
2 stops22h 12m
United Airlines
sáb 7/42:40 pm
MBJ
- ONT
1 stop9h 17m
United Airlines
Deal found 4/16![United Airlines logo]()
$532
This JetBlue deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 6/1711:53 pm
ONT
- NAS
1 stop13h 11m
JetBlue
qui 6/251:43 pm
NAS
- ONT
1 stop11h 55m
JetBlue
Deal found 4/14![JetBlue logo]()
$660
This Southwest deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 7/2510:30 am
ONT
- SJU
2 stops11h 15m
Southwest
sáb 8/15:00 am
SJU
- ONT
1 stop17h 15m
Southwest
Deal found 4/15![Southwest logo]()
$605
This American Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 6/110:00 pm
ONT
- SXM
1 stop12h 50m
American Airlines
qua 6/172:53 pm
SXM
- ONT
1 stop10h 43m
American Airlines
Deal found 4/15![American Airlines logo]()
$629
This KAYAK deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 7/1211:50 pm
ONT
- SXM
1 stop10h 52m
JetBlue
sex 7/1711:20 am
SXM
- ONT
1 stop14h 15m
JetBlue
Deal found 4/14![JetBlue logo]()
$672
This Southwest deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 6/159:40 pm
ONT
- MBJ
1 stop15h 15m
Southwest
ter 6/233:55 pm
MBJ
- ONT
1 stop8h 40m
Southwest
Deal found 4/15![Southwest logo]()
$626
This Delta deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 5/176:00 am
ONT
- SDQ
2 stops28h 24m
Delta
qui 5/287:35 pm
SDQ
- ONT
2 stops26h 01m
Delta
Deal found 4/18![Delta logo]()
$695
This United Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 5/27:00 am
ONT
- SJU
1 stop10h 34m
United Airlines
qua 5/62:55 pm
SJU
- ONT
1 stop10h 03m
United Airlines
Deal found 4/17![United Airlines logo]()
$580
This American Airlines deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 8/182:27 pm
ONT
- UVF
2 stops20h 37m
American Airlines
qui 8/273:29 pm
UVF
- ONT
2 stops21h 05m
American Airlines
Deal found 4/18![American Airlines logo]()
$665
This United Airlines deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 5/55:00 am
ONT
- SJU
1 stop9h 38m
United Airlines
sáb 5/97:40 am
SJU
- ONT
1 stop13h 21m
United Airlines
Deal found 4/19![United Airlines logo]()
$580
This KAYAK deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 6/310:41 pm
ONT
- SDQ
1 stop10h 20m
JetBlue
qui 7/1610:10 am
SDQ
- ONT
1 stop15h 25m
JetBlue
Deal found 4/17![JetBlue logo]()
$707
This American Airlines deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 8/1912:59 pm
ONT
- UVF
2 stops22h 30m
American Airlines
qui 8/273:29 pm
UVF
- ONT
2 stops21h 05m
American Airlines
Deal found 4/18![American Airlines logo]()
$670
This Delta deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 5/1010:00 pm
ONT
- GCM
1 stop11h 54m
Delta
sáb 5/161:19 pm
GCM
- ONT
1 stop10h 29m
Delta
Deal found 4/14![Delta logo]()
$756
This Southwest deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 6/139:40 pm
ONT
- SXM
1 stop12h 15m
Southwest
sáb 6/202:15 pm
SXM
- ONT
2 stops22h 05m
Southwest
Deal found 4/17![Southwest logo]()
$694
This United Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 5/26:00 am
ONT
- SJU
1 stop11h 38m
United Airlines
sáb 5/92:55 pm
SJU
- ONT
1 stop10h 03m
United Airlines
Deal found 4/15![United Airlines logo]()
$592
This KAYAK deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 7/1211:50 pm
ONT
- SXM
1 stop10h 52m
JetBlue
qui 7/1611:20 am
SXM
- ONT
1 stop14h 15m
JetBlue
Deal found 4/14![JetBlue logo]()
$717
This American Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 5/1010:26 pm
ONT
- GCM
1 stop11h 05m
American Airlines
sáb 5/1611:55 am
GCM
- ONT
2 stops13h 51m
American Airlines
Deal found 4/14![American Airlines logo]()
$725
This Delta deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 5/116:00 am
ONT
- GCM
2 stops27h 54m
Delta
sex 5/221:19 pm
GCM
- ONT
2 stops25h 00m
Delta
Deal found 4/18![Delta logo]()
$798
This United Airlines deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 5/95:00 am
ONT
- MBJ
1 stop8h 45m
United Airlines
sex 5/152:40 pm
MBJ
- ONT
1 stop9h 18m
United Airlines
Deal found 4/19![United Airlines logo]()
$601
This JetBlue deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 6/110:41 pm
ONT
- PUJ
1 stop12h 01m
JetBlue
seg 6/811:19 am
PUJ
- ONT
1 stop12h 28m
JetBlue
Deal found 4/17![JetBlue logo]()
$744
Last-minute flights from Ontario to CaribbeanDiscover last-minute flight deals from Ontario to Caribbean. Data last updated abril 19, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Caribbean. Data last updated abril 19, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 5/66:00 am
ONT
- SJU
1 stop11h 38m
United Airlines
qui 5/71:00 am
SJU
- ONT
2 stops14h 22m
United Airlines
Deal found 4/17![United Airlines logo]()
$432
This FlightHub deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 5/610:50 am
ONT
- MBJ
2 stops23h 21m
Frontier
qua 5/201:16 pm
MBJ
- ONT
2 stops19h 52m
Frontier
Deal found 4/15![Frontier logo]()
$465
This American Airlines deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 5/77:35 pm
ONT
- SJU
2 stops12h 18m
American Airlines
ter 5/127:25 am
SJU
- ONT
2 stops13h 59m
American Airlines
Deal found 4/19![American Airlines logo]()
$472
This Frontier deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 5/94:04 pm
ONT
- MBJ
2 stops18h 07m
Frontier
qua 5/131:16 pm
MBJ
- ONT
2 stops20h 19m
Frontier
Deal found 4/15![Frontier logo]()
$321
This Delta deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 5/910:00 pm
ONT
- MBJ
1 stop15h 34m
Delta
qua 5/271:18 pm
MBJ
- ONT
1 stop10h 30m
Delta
Deal found 4/18![Delta logo]()
$417
This Priceline deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 5/108:06 pm
ONT
- MBJ
2 stops38h 05m
Frontier
sex 5/151:16 pm
MBJ
- ONT
2 stops22h 49m
Frontier
Deal found 4/19![Frontier logo]()
$406
This Delta deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 5/1010:00 pm
ONT
- MBJ
1 stop11h 53m
Delta
qua 5/271:18 pm
MBJ
- ONT
1 stop10h 30m
Delta
Deal found 4/18![Delta logo]()
$412
This Frontier deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 5/124:39 pm
ONT
- MBJ
2 stops17h 32m
Frontier
qui 5/281:16 pm
MBJ
- ONT
2 stops19h 52m
Frontier
Deal found 4/18![Frontier logo]()
$470
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 5/148:06 pm
ONT
- SJU
2 stops25h 15m
Multiple Airlines
qui 5/212:37 pm
SJU
- ONT
1 stop31h 34m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$401
This Kiwi.com deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 5/158:06 pm
ONT
- SJU
2 stops32h 58m
Multiple Airlines
sex 5/222:37 pm
SJU
- ONT
1 stop29h 27m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$425
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 5/2910:00 pm
ONT
- SJU
1 stop11h 01m
Delta
ter 6/22:35 pm
SJU
- ONT
2 stops11h 59m
Delta
Deal found 4/16![Delta logo]()
$462
This United Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 5/305:00 am
ONT
- MBJ
1 stop8h 45m
United Airlines
sáb 6/612:52 pm
MBJ
- ONT
1 stop9h 50m
United Airlines
Deal found 4/15![United Airlines logo]()
$392
One-way flights from Ontario to CaribbeanSearch for one-way flight options from Ontario to Caribbean. Find affordable one-way fares based on user searches. Data last updated abril 19, 2026.
Search for one-way flight options from Ontario to Caribbean. Find affordable one-way fares based on user searches. Data last updated abril 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 5/76:00 am
ONT
- SJU
2 stops38h 57m
Frontier
Deal found 4/14![Frontier logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 5/158:06 pm
ONT
- SJU
2 stops23h 37m
Frontier
Deal found 4/17![Frontier logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 5/168:27 pm
ONT
- PUJ
2 stops14h 57m
Frontier
Deal found 4/14![Frontier logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 5/95:59 pm
ONT
- SXM
2 stops16h 31m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$177
This SmartFares deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 7/2011:50 pm
ONT
- NAS
1 stop13h 13m
JetBlue
Deal found 4/16![JetBlue logo]()
$183
This American Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 6/910:00 pm
ONT
- NAS
1 stop9h 03m
American Airlines
Deal found 4/15![American Airlines logo]()
$186
This American Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 5/124:52 pm
ONT
- SXM
2 stops17h 29m
American Airlines
Deal found 4/17![American Airlines logo]()
$187
This Delta deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 8/2510:59 pm
ONT
- SJU
1 stop9h 57m
Delta
Deal found 4/18![Delta logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 5/128:06 pm
ONT
- SXM
3 stops38h 24m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 5/148:06 pm
ONT
- SXM
3 stops38h 24m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 5/158:06 pm
ONT
- SXM
3 stops38h 24m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 5/148:06 pm
ONT
- PUJ
2 stops39h 18m
Frontier
Deal found 4/17![Frontier logo]()
$204
Find flight deals from Ontario to Caribbean
Keep the following information in mind while searching for Ontario to Caribbean flight deals. Data was last updated abril 19, 2026.
Round-trip from | $321 (Frontier) |
|---|---|
One-way from | $134 (Kiwi.com) |
Popular in | December |
Cheapest in | October |
Average price | $430 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Caribbean that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated abril 19, 2026.
Use the filters below to find and compare flights from Ontario to Caribbean that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioSan Juan
ONT - SJU
ONTSJU
Ontario
seg 8/10
10:00 am-11:50 pm
2 stops10h 50m
San Juan Luis Munoz Marin Intl
qua 8/19
5:15 am-2:05 pm
2 stops11h 50m
$374
OntarioMontego Bay
ONT - MBJ
ONTMBJ
Ontario
sáb 5/9
10:00 pm-3:34 pm
1 stop15h 34m
Montego Bay Sangster Intl
qua 5/27
1:18 pm-9:48 pm
1 stop10h 30m
$417
OntarioSan Juan
ONT - SJU
ONTSJU
Ontario
dom 9/27
5:00 am-5:38 pm
1 stop9h 38m
San Juan Luis Munoz Marin Intl
ter 10/6
2:55 pm-9:58 pm
1 stop10h 03m
$464
OntarioSan Juan
ONT - SJU
ONTSJU
Ontario
seg 5/11
5:00 am-5:38 pm
1 stop9h 38m
San Juan Luis Munoz Marin Intl
qui 5/14
2:55 pm-9:58 pm
1 stop10h 03m
$494
OntarioSan Juan
ONT - SJU
ONTSJU
Ontario
sáb 5/30
5:45 pm-1:20 pm
2 stops16h 35m
San Juan Luis Munoz Marin Intl
sáb 6/6
2:48 pm-9:48 pm
1 stop10h 00m
$497
Quickest round-trip
OntarioMontego Bay
ONT - MBJ
ONTMBJ
Ontario
sáb 5/9
5:00 am-3:45 pm
1 stop8h 45m
Montego Bay Sangster Intl
qua 5/13
2:40 pm-9:58 pm
1 stop9h 18m
$512
OntarioSimpson Bay
ONT - SXM
ONTSXM
Ontario
seg 8/31
11:50 pm-1:42 pm
1 stop10h 52m
Simpson Bay Princess Juliana
qua 9/2
11:20 am-10:35 pm
1 stop14h 15m
$515
OntarioMontego Bay
ONT - MBJ
ONTMBJ
Ontario
sáb 6/27
1:18 pm-1:30 pm
2 stops22h 12m
Montego Bay Sangster Intl
sáb 7/4
2:40 pm-9:57 pm
1 stop9h 17m
$532
OntarioSimpson Bay
ONT - SXM
ONTSXM
Ontario
sáb 5/9
10:26 pm-1:21 pm
1 stop11h 55m
Simpson Bay Princess Juliana
sex 5/22
2:53 pm-10:36 pm
1 stop10h 43m
$566
OntarioSan Juan
ONT - SJU
ONTSJU
Ontario
sáb 5/2
7:00 am-8:34 pm
1 stop10h 34m
San Juan Luis Munoz Marin Intl
qua 5/6
2:55 pm-9:58 pm
1 stop10h 03m
$580
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Ontario to Caribbean
Have a flexible travel schedule? Discover the best time to fly to Caribbean from Ontario with our price prediction graph.
ONT-NAS
ONT-SJU
ONT-SXM
ONT-PUJ
ONT-AUA
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Ontario to Caribbean
ONT-0CB
ONT-NAS
ONT-SJU
ONT-SXM
ONT-PUJ
What is the cheapest month to book a flight from Ontario to Caribbean?
Currently, November is the cheapest month in which you can book a flight from Ontario to Caribbean (average of $120). Flying from Ontario to Caribbean in August is currently the most expensive (average of $368). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing Caribbean
Get insights into the airlines that provide service to Caribbean. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Caribbean. Reviews last updated abril 19, 2026.
Read reviews from past customers who have flown Southwest,United Airlines, andJetBlue from Ontario to Caribbean. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Food
7.0
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Food
7.0
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Food
7.0
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Food
7.0
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Food
7.0
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Food
7.0
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Related info for your journey
Find useful and relevant information for your journey from Ontario to Caribbean. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top countries
Top destinations
Alternative routes for Ontario to Caribbean
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Caribbean by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Caribbean by cabin class
Find flights from Ontario to Caribbean, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Caribbean flights
Browse other Ontario and Caribbean flight options. Last updated on abril 19, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Fly to Caribbean countries
Consider these flights traveling to countries located in Caribbean.
Ontario to Caribbean flights
Consider these flights traveling from Ontario to Caribbean.
Top 6 airlines flying from Ontario to Caribbean
Discover the top 6 airlines that operate flights from Ontario to Caribbean. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated abril 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$137 | Average$467 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$292 | Average$942 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$321 | Average$626 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$360 | Average$643 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$421 | Average$607 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$445 | Average$675 | FlexibilityNo cancel fee | On-time63% |