$148+ 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 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SJU
Mar 15 — Mar 221
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 February 13, 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 February 13, 2026.
This American Airlines deal was found by Cheapflights users on 2/12. 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.
Fri 4/2410:26 pm
ONT
- SJU
1 stop19h 25m
American Airlines
Fri 5/111:59 pm
SJU
- ONT
2 stops14h 35m
American Airlines
Deal found 2/12![American Airlines logo]()
$294
This United Airlines deal was found by Cheapflights users on 2/12. 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.
Tue 5/56:00 am
ONT
- SJU
2 stops12h 24m
United Airlines
Tue 5/127:20 am
SJU
- ONT
2 stops16h 16m
United Airlines
Deal found 2/12![United Airlines logo]()
$320
This Delta deal was found by Cheapflights users on 2/12. 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.
Sat 5/911:04 pm
ONT
- SJU
1 stop9h 42m
Delta
Thu 5/1412:50 pm
SJU
- ONT
1 stop12h 04m
Delta
Deal found 2/12![Delta logo]()
$346
This Delta deal was found by Cheapflights users on 2/11. 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.
Tue 9/87:00 am
ONT
- SJU
1 stop12h 23m
Delta
Wed 9/167:30 am
SJU
- ONT
1 stop13h 31m
Delta
Deal found 2/11![Delta logo]()
$347
This American Airlines deal was found by Cheapflights users on 2/10. 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.
Sun 3/15:02 pm
ONT
- SJU
2 stops12h 58m
American Airlines
Thu 3/58:40 am
SJU
- ONT
1 stop16h 44m
American Airlines
Deal found 2/10![American Airlines logo]()
$352
This American Airlines deal was found by Cheapflights users on 2/12. 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.
Mon 8/310:10 pm
ONT
- MBJ
1 stop15h 10m
American Airlines
Mon 8/104:25 pm
MBJ
- ONT
2 stops19h 34m
American Airlines
Deal found 2/12![American Airlines logo]()
$357
This American Airlines deal was found by Cheapflights users on 2/13. 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.
Sat 4/252:08 pm
ONT
- MBJ
2 stops19h 43m
American Airlines
Sun 5/312:56 pm
MBJ
- ONT
2 stops23h 13m
American Airlines
Deal found 2/13![American Airlines logo]()
$362
This Kiwi.com deal was found by Cheapflights users on 2/11. 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.
Sat 4/117:40 pm
ONT
- SJU
1 stop12h 27m
Multiple Airlines
Mon 4/2010:55 am
SJU
- ONT
2 stops40h 00m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$363
This Southwest deal was found by Cheapflights users on 2/12. 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.
Mon 5/48:45 pm
ONT
- SJU
2 stops10h 50m
Southwest
Mon 5/185:05 am
SJU
- ONT
2 stops13h 10m
Southwest
Deal found 2/12![Southwest logo]()
$368
This American Airlines deal was found by Cheapflights users on 2/12. 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.
Sat 5/910:26 pm
ONT
- SJU
1 stop9h 22m
American Airlines
Fri 5/155:45 am
SJU
- ONT
2 stops19h 51m
American Airlines
Deal found 2/12![American Airlines logo]()
$376
This Delta deal was found by Cheapflights users on 2/12. 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.
Sat 5/911:04 pm
ONT
- SJU
1 stop9h 42m
Delta
Wed 5/1312:50 pm
SJU
- ONT
1 stop12h 04m
Delta
Deal found 2/12![Delta logo]()
$377
This Delta deal was found by Cheapflights users on 2/11. 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.
Wed 9/97:00 am
ONT
- SJU
1 stop12h 23m
Delta
Wed 9/167:30 am
SJU
- ONT
1 stop13h 31m
Delta
Deal found 2/11![Delta logo]()
$378
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 February 13, 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 February 13, 2026.
This United Airlines deal was found by Cheapflights users on 2/10. 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.
Sat 5/27:00 am
ONT
- SJU
2 stops13h 50m
United Airlines
Mon 5/111:00 am
SJU
- ONT
2 stops14h 38m
United Airlines
Deal found 2/10![United Airlines logo]()
$294
This Delta deal was found by Cheapflights users on 2/12. 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.
Mon 5/1111:04 pm
ONT
- SJU
1 stop9h 42m
Delta
Thu 5/142:20 pm
SJU
- ONT
1 stop10h 34m
Delta
Deal found 2/12![Delta logo]()
$346
This American Airlines deal was found by Cheapflights users on 2/12. 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.
Fri 5/811:59 pm
ONT
- SJU
2 stops18h 25m
American Airlines
Fri 5/155:45 am
SJU
- ONT
2 stops19h 51m
American Airlines
Deal found 2/12![American Airlines logo]()
$376
This Southwest deal was found by Cheapflights users on 2/11. 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.
Mon 2/237:55 pm
ONT
- SJU
2 stops11h 25m
Southwest
Thu 2/267:00 am
SJU
- ONT
2 stops13h 45m
Southwest
Deal found 2/11![Southwest logo]()
$440
This KAYAK deal was found by Cheapflights users on 2/10. 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.
Wed 5/2011:25 pm
ONT
- SDQ
1 stop17h 09m
JetBlue
Wed 5/278:50 am
SDQ
- ONT
1 stop16h 19m
JetBlue
Deal found 2/10![JetBlue logo]()
$473
This Frontier deal was found by Cheapflights users on 2/11. 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.
Wed 2/257:17 pm
ONT
- SDQ
2 stops12h 09m
Frontier
Sun 3/112:35 pm
SDQ
- ONT
2 stops15h 24m
Frontier
Deal found 2/11![Frontier logo]()
$546
This Avianca deal was found by Cheapflights users on 2/10. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2311:35 pm
ONT
- SDQ
2 stops33h 15m
Avianca
Mon 4/276:50 pm
SDQ
- ONT
2 stops29h 55m
Avianca
Deal found 2/10![Avianca logo]()
$629
This Delta deal was found by Cheapflights users on 2/12. 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.
Sat 5/911:04 pm
ONT
- SJU
1 stop9h 42m
Delta
Thu 5/1412:50 pm
SJU
- ONT
1 stop12h 04m
Delta
Deal found 2/12![Delta logo]()
$346
This United Airlines deal was found by Cheapflights users on 2/12. 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.
Tue 5/127:00 am
ONT
- SJU
2 stops13h 50m
United Airlines
Wed 5/137:20 am
SJU
- ONT
2 stops18h 10m
United Airlines
Deal found 2/12![United Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 2/12. 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.
Tue 5/127:05 am
ONT
- SJU
1 stop12h 12m
Delta
Fri 5/1512:50 pm
SJU
- ONT
1 stop12h 04m
Delta
Deal found 2/12![Delta logo]()
$346
This American Airlines deal was found by Cheapflights users on 2/10. 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.
Fri 7/247:02 pm
ONT
- SXM
2 stops14h 43m
American Airlines
Tue 7/281:45 pm
SXM
- ONT
2 stops21h 47m
American Airlines
Deal found 2/10![American Airlines logo]()
$388
This United Airlines deal was found by Cheapflights users on 2/12. 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.
Mon 5/115:00 am
ONT
- SJU
1 stop9h 38m
United Airlines
Wed 5/137:20 am
SJU
- ONT
2 stops18h 10m
United Airlines
Deal found 2/12![United Airlines logo]()
$384
This CheapOair deal was found by Cheapflights users on 2/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1811:25 pm
ONT
- CUR
1 stop11h 11m
Multiple Airlines
Thu 5/2111:35 am
CUR
- ONT
2 stops13h 10m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$860
This Delta deal was found by Cheapflights users on 2/12. 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.
Tue 5/127:05 am
ONT
- SJU
1 stop12h 12m
Delta
Sat 5/162:20 pm
SJU
- ONT
1 stop10h 34m
Delta
Deal found 2/12![Delta logo]()
$377
This American Airlines deal was found by Cheapflights users on 2/12. 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.
Tue 4/2812:19 pm
ONT
- SDQ
2 stops18h 01m
American Airlines
Mon 5/44:00 pm
SDQ
- ONT
2 stops21h 09m
American Airlines
Deal found 2/12![American Airlines logo]()
$421
This United Airlines deal was found by Cheapflights users on 2/12. 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.
Thu 3/511:59 pm
ONT
- MBJ
1 stop10h 47m
United Airlines
Sun 3/81:48 pm
MBJ
- ONT
1 stop10h 30m
United Airlines
Deal found 2/12![United Airlines logo]()
$390
This Southwest deal was found by Cheapflights users on 2/11. 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.
Mon 4/138:45 pm
ONT
- MBJ
2 stops14h 40m
Southwest
Wed 4/2212:15 pm
MBJ
- ONT
2 stops12h 10m
Southwest
Deal found 2/11![Southwest logo]()
$482
This CheapOair deal was found by Cheapflights users on 2/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1611:25 pm
ONT
- SDQ
1 stop15h 51m
JetBlue
Sat 5/2312:55 pm
SDQ
- ONT
1 stop12h 14m
JetBlue
Deal found 2/12![JetBlue logo]()
$506
This Southwest deal was found by Cheapflights users on 2/11. 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.
Mon 4/1311:55 pm
ONT
- MBJ
2 stops12h 00m
Southwest
Tue 4/2112:15 pm
MBJ
- ONT
2 stops12h 10m
Southwest
Deal found 2/11![Southwest logo]()
$482
This American Airlines deal was found by Cheapflights users on 2/12. 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.
Wed 5/64:52 pm
ONT
- SJU
2 stops13h 21m
American Airlines
Mon 5/1111:59 pm
SJU
- ONT
2 stops14h 35m
American Airlines
Deal found 2/12![American Airlines logo]()
$468
This Delta deal was found by Cheapflights users on 2/12. 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.
Wed 5/67:05 am
ONT
- SJU
1 stop13h 08m
Delta
Thu 5/1412:50 pm
SJU
- ONT
1 stop12h 04m
Delta
Deal found 2/12![Delta logo]()
$431
This United Airlines deal was found by Cheapflights users on 2/12. 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.
Sat 4/256:49 pm
ONT
- MBJ
2 stops16h 01m
United Airlines
Sun 5/32:40 pm
MBJ
- ONT
1 stop9h 18m
United Airlines
Deal found 2/12![United Airlines logo]()
$463
This American Airlines deal was found by Cheapflights users on 2/11. 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.
Mon 4/1311:29 pm
ONT
- MBJ
1 stop11h 50m
American Airlines
Tue 4/2112:25 pm
MBJ
- ONT
2 stops23h 44m
American Airlines
Deal found 2/11![American Airlines logo]()
$491
This Southwest deal was found by Cheapflights users on 2/10. 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.
Mon 4/276:00 pm
ONT
- STT
2 stops16h 20m
Southwest
Tue 5/52:10 pm
STT
- ONT
2 stops11h 15m
Southwest
Deal found 2/10![Southwest logo]()
$580
This Priceline deal was found by Cheapflights users on 2/11. 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.
Sat 5/2311:25 pm
ONT
- POP
1 stop11h 38m
JetBlue
Fri 5/293:09 pm
POP
- ONT
1 stop34h 00m
JetBlue
Deal found 2/11![JetBlue logo]()
$654
This American Airlines deal was found by Cheapflights users on 2/12. 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.
Mon 8/37:02 pm
ONT
- MBJ
2 stops14h 40m
American Airlines
Mon 8/104:25 pm
MBJ
- ONT
2 stops19h 34m
American Airlines
Deal found 2/12![American Airlines logo]()
$497
This United Airlines deal was found by Cheapflights users on 2/10. 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.
Tue 3/106:00 am
ONT
- SXM
2 stops27h 50m
United Airlines
Tue 3/173:55 pm
SXM
- ONT
2 stops23h 23m
United Airlines
Deal found 2/10![United Airlines logo]()
$498
This United Airlines deal was found by Cheapflights users on 2/12. 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.
Sat 6/65:55 am
ONT
- SXM
2 stops27h 38m
United Airlines
Mon 6/83:50 pm
SXM
- ONT
2 stops23h 30m
United Airlines
Deal found 2/12![United Airlines logo]()
$498
This American Airlines deal was found by Cheapflights users on 2/9. 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.
Wed 4/2912:19 pm
ONT
- SXM
2 stops20h 19m
American Airlines
Wed 5/62:24 pm
SXM
- ONT
2 stops22h 45m
American Airlines
Deal found 2/9![American Airlines logo]()
$501
This Southwest deal was found by Cheapflights users on 2/11. 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.
Thu 3/59:55 pm
ONT
- STT
2 stops13h 25m
Southwest
Mon 3/91:50 pm
STT
- ONT
2 stops21h 00m
Southwest
Deal found 2/11![Southwest logo]()
$612
Last-minute flights from Ontario to CaribbeanDiscover last-minute flight deals from Ontario to Caribbean. Data last updated February 13, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Caribbean. Data last updated February 13, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 2/11. 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.
Wed 2/256:15 am
ONT
- SJU
2 stops13h 19m
American Airlines
Tue 3/38:40 am
SJU
- ONT
2 stops14h 29m
American Airlines
Deal found 2/11![American Airlines logo]()
$410
This American Airlines deal was found by Cheapflights users on 2/10. 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.
Sun 3/15:02 pm
ONT
- SJU
2 stops12h 58m
American Airlines
Thu 3/58:40 am
SJU
- ONT
1 stop16h 44m
American Airlines
Deal found 2/10![American Airlines logo]()
$352
This Delta deal was found by Cheapflights users on 2/10. 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.
Sun 3/110:20 pm
ONT
- SJU
1 stop10h 41m
Delta
Fri 3/66:15 am
SJU
- ONT
1 stop9h 47m
Delta
Deal found 2/10![Delta logo]()
$438
This Southwest deal was found by Cheapflights users on 2/12. 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.
Sun 3/19:50 am
ONT
- SJU
2 stops11h 45m
Southwest
Fri 3/66:00 am
SJU
- ONT
1 stop12h 05m
Southwest
Deal found 2/12![Southwest logo]()
$439
This American Airlines deal was found by Cheapflights users on 2/12. 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.
Thu 3/511:58 pm
ONT
- MBJ
1 stop11h 55m
American Airlines
Sun 3/81:27 pm
MBJ
- ONT
2 stops21h 24m
American Airlines
Deal found 2/12![American Airlines logo]()
$362
This United Airlines deal was found by Cheapflights users on 2/12. 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.
Thu 3/511:59 pm
ONT
- MBJ
1 stop10h 47m
United Airlines
Sun 3/81:48 pm
MBJ
- ONT
1 stop10h 30m
United Airlines
Deal found 2/12![United Airlines logo]()
$390
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Mon 3/95:10 pm
ONT
- SJU
1 stop14h 27m
Multiple Airlines
Mon 3/169:58 pm
SJU
- ONT
2 stops29h 01m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$382
This American Airlines deal was found by Cheapflights users on 2/10. 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.
Tue 3/106:15 am
ONT
- SJU
2 stops13h 43m
American Airlines
Thu 3/127:40 am
SJU
- ONT
1 stop16h 44m
American Airlines
Deal found 2/10![American Airlines logo]()
$381
This American Airlines deal was found by Cheapflights users on 2/11. 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.
Wed 3/115:02 pm
ONT
- SJU
2 stops12h 58m
American Airlines
Tue 3/171:23 pm
SJU
- ONT
2 stops11h 44m
American Airlines
Deal found 2/11![American Airlines logo]()
$417
This Kiwi.com deal was found by Cheapflights users on 2/12. 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.
Mon 3/235:20 pm
ONT
- SJU
1 stop14h 47m
Multiple Airlines
Tue 3/3112:05 pm
SJU
- ONT
2 stops35h 55m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$436
This American Airlines deal was found by Cheapflights users on 2/11. 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.
Tue 3/245:02 pm
ONT
- SXM
2 stops17h 19m
American Airlines
Wed 4/14:28 pm
SXM
- ONT
2 stops24h 20m
American Airlines
Deal found 2/11![American Airlines logo]()
$388
This Kiwi.com deal was found by Cheapflights users on 2/11. 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.
Tue 3/246:15 am
ONT
- SJU
2 stops29h 02m
Multiple Airlines
Tue 3/316:55 pm
SJU
- ONT
1 stop24h 28m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$421
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 February 13, 2026.
Search for one-way flight options from Ontario to Caribbean. Find affordable one-way fares based on user searches. Data last updated February 13, 2026.
This United Airlines deal was found by Cheapflights users on 2/11. 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.
Mon 6/86:30 pm
ONT
- NAS
2 stops13h 58m
United Airlines
Deal found 2/11![United Airlines logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 2/11. 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.
Mon 4/208:59 pm
ONT
- SJU
2 stops17h 31m
Frontier
Deal found 2/11![Frontier logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 2/12. 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.
Thu 4/238:26 am
ONT
- SJU
2 stops14h 35m
Frontier
Deal found 2/12![Frontier logo]()
$170
This United Airlines deal was found by Cheapflights users on 2/10. 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.
Wed 4/156:49 pm
ONT
- NAS
2 stops17h 08m
United Airlines
Deal found 2/10![United Airlines logo]()
$178
This American Airlines deal was found by Cheapflights users on 2/11. 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.
Fri 6/51:10 pm
ONT
- NAS
2 stops20h 32m
American Airlines
Deal found 2/11![American Airlines logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 2/11. 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.
Mon 2/231:18 pm
ONT
- SJU
2 stops21h 04m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 2/13. 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.
Mon 4/1312:59 am
ONT
- STT
2 stops33h 32m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Tue 3/172:23 pm
ONT
- SJU
3 stops31h 56m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$190
This United Airlines deal was found by Cheapflights users on 2/12. 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.
Tue 4/216:05 am
ONT
- SJU
2 stops12h 19m
United Airlines
Deal found 2/12![United Airlines logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Fri 4/2412:59 am
ONT
- STT
2 stops33h 32m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$193
This American Airlines deal was found by Cheapflights users on 2/11. 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.
Thu 6/111:10 pm
ONT
- NAS
2 stops17h 53m
American Airlines
Deal found 2/11![American Airlines logo]()
$193
This United Airlines deal was found by Cheapflights users on 2/10. 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.
Tue 3/106:37 pm
ONT
- SXM
2 stops17h 14m
United Airlines
Deal found 2/10![United Airlines logo]()
$202
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 February 13, 2026.
Round-trip from | $294 (American Airlines) |
|---|---|
One-way from | $148 (United Airlines) |
Popular in | December |
Cheapest in | October |
Average price | $431 |
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 February 13, 2026.
Use the filters below to find and compare flights from Ontario to Caribbean that are best for you.
Fly from
Ontario
Fly to
Caribbean
Route
Depart
Return
Price
OntarioSan Juan
ONT - SJU
ONTSJU
Ontario
Sat 5/2
7:00 am-11:50 pm
2 stops13h 50m
San Juan Luis Munoz Marin Intl
Mon 5/11
1:00 am-12:38 pm
2 stops14h 38m
$294
OntarioSan Juan
ONT - SJU
ONTSJU
Ontario
Mon 5/11
11:04 pm-11:46 am
1 stop9h 42m
San Juan Luis Munoz Marin Intl
Thu 5/14
2:20 pm-9:54 pm
1 stop10h 34m
$346
OntarioSan Juan
ONT - SJU
ONTSJU
Ontario
Sat 5/9
11:04 pm-11:46 am
1 stop9h 42m
San Juan Luis Munoz Marin Intl
Thu 5/14
12:50 pm-9:54 pm
1 stop12h 04m
$346
OntarioSan Juan
ONT - SJU
ONTSJU
Ontario
Tue 5/12
7:05 am-10:17 pm
1 stop12h 12m
San Juan Luis Munoz Marin Intl
Fri 5/15
12:50 pm-9:54 pm
1 stop12h 04m
$346
OntarioSan Juan
ONT - SJU
ONTSJU
Ontario
Fri 5/8
11:59 pm-9:24 pm
2 stops18h 25m
San Juan Luis Munoz Marin Intl
Fri 5/15
5:45 am-10:36 pm
2 stops19h 51m
$376
OntarioSan Juan
ONT - SJU
ONTSJU
Ontario
Tue 5/12
7:05 am-10:17 pm
1 stop12h 12m
San Juan Luis Munoz Marin Intl
Sat 5/16
2:20 pm-9:54 pm
1 stop10h 34m
$377
OntarioSan Juan
ONT - SJU
ONTSJU
Ontario
Tue 5/12
7:00 am-11:50 pm
2 stops13h 50m
San Juan Luis Munoz Marin Intl
Wed 5/13
7:20 am-10:30 pm
2 stops18h 10m
$379
OntarioSan Juan
ONT - SJU
ONTSJU
Ontario
Mon 5/11
5:00 am-5:38 pm
1 stop9h 38m
San Juan Luis Munoz Marin Intl
Wed 5/13
7:20 am-10:30 pm
2 stops18h 10m
$384
OntarioSimpson Bay
ONT - SXM
ONTSXM
Ontario
Fri 7/24
7:02 pm-12:45 pm
2 stops14h 43m
Simpson Bay Princess Juliana
Tue 7/28
1:45 pm-8:32 am
2 stops21h 47m
$388
OntarioMontego Bay
ONT - MBJ
ONTMBJ
Ontario
Thu 3/5
11:59 pm-1:46 pm
1 stop10h 47m
Montego Bay Sangster Intl
Sun 3/8
1:48 pm-10:18 pm
1 stop10h 30m
$390
Showing 1-10 of 60 results
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-STT
ONT-SJU
ONT-PUJ
ONT-SDQ
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-STT
ONT-SJU
ONT-PUJ
What is the cheapest month to book a flight from Ontario to Caribbean?
Currently, April is the cheapest month in which you can book a flight from Ontario to Caribbean (average of $128). Flying from Ontario to Caribbean in November is currently the most expensive (average of $286). 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 February 13, 2026.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines 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.
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
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 February 13, 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 February 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$73 | Average$493 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$138 | Average$611 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$321 | Average$616 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$365 | Average$686 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$421 | Average$690 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$465 | Average$711 | FlexibilityNo cancel fee | On-time63% |