$150+ 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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SJU
May 10 — May 171
Round-trip
1 adult, Economy
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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
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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 April 10, 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 April 10, 2026.
This American Airlines deal was found by Cheapflights users on 4/5. 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 9/1811:59 pm
ONT
- SJU
1 stop12h 03m
American Airlines
Mon 9/217:05 pm
SJU
- ONT
2 stops19h 43m
American Airlines
Deal found 4/5![American Airlines logo]()
$354
This American Airlines deal was found by Cheapflights users on 4/7. 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 8/196:17 am
ONT
- SJU
2 stops14h 23m
American Airlines
Tue 8/2510:32 am
SJU
- ONT
2 stops13h 56m
American Airlines
Deal found 4/7![American Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 5/11:59 pm
ONT
- SJU
1 stop30h 11m
Multiple Airlines
Sun 5/103:12 pm
SJU
- ONT
2 stops43h 23m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$373
This American Airlines deal was found by Cheapflights users on 4/8. 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 9/1811:59 pm
ONT
- SJU
1 stop12h 03m
American Airlines
Fri 9/253:42 pm
SJU
- ONT
1 stop10h 24m
American Airlines
Deal found 4/8![American Airlines logo]()
$374
This FlightHub deal was found by Cheapflights users on 4/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/610:50 am
ONT
- MBJ
2 stops47h 21m
Frontier
Wed 5/131:16 pm
MBJ
- ONT
2 stops20h 19m
Frontier
Deal found 4/9![Frontier logo]()
$389
This American Airlines deal was found by Cheapflights users on 4/6. 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 8/2211:59 pm
ONT
- MBJ
1 stop14h 18m
American Airlines
Fri 8/281:35 pm
MBJ
- ONT
1 stop9h 53m
American Airlines
Deal found 4/6![American Airlines logo]()
$392
This Delta deal was found by Cheapflights users on 4/5. 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 8/1210:59 pm
ONT
- SJU
1 stop9h 57m
Delta
Fri 8/211:06 pm
SJU
- ONT
1 stop11h 50m
Delta
Deal found 4/5![Delta logo]()
$394
This Kiwi.com deal was found by Cheapflights users on 4/5. 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 4/258:00 am
ONT
- SJU
1 stop12h 10m
Multiple Airlines
Sun 5/33:31 pm
SJU
- ONT
2 stops45h 34m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$396
This Kiwi.com deal was found by Cheapflights users on 4/8. 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.
Wed 4/228:15 am
ONT
- SJU
1 stop11h 55m
Multiple Airlines
Tue 4/2811:30 am
SJU
- ONT
2 stops39h 25m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 4/6. 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.
Sun 11/87:00 am
ONT
- MBJ
1 stop27h 46m
United Airlines
Sun 11/152:48 pm
MBJ
- ONT
1 stop10h 38m
United Airlines
Deal found 4/6![United Airlines logo]()
$401
This United Airlines deal was found by Cheapflights users on 4/5. 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 5/95:00 am
ONT
- MBJ
1 stop8h 45m
United Airlines
Sat 5/162:40 pm
MBJ
- ONT
1 stop9h 18m
United Airlines
Deal found 4/5![United Airlines logo]()
$403
This Delta deal was found by Cheapflights users on 4/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/210:15 pm
ONT
- SJU
1 stop10h 30m
Delta
Wed 5/612:55 pm
SJU
- ONT
1 stop11h 05m
Delta
Deal found 4/9![Delta logo]()
$404
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 April 10, 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 April 10, 2026.
This American Airlines deal was found by Cheapflights users on 4/4. 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 7/62:15 pm
ONT
- MBJ
2 stops19h 32m
American Airlines
Sat 7/115:17 pm
MBJ
- ONT
2 stops20h 28m
American Airlines
Deal found 4/4![American Airlines logo]()
$397
This United Airlines deal was found by Cheapflights users on 4/5. 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 5/95:00 am
ONT
- MBJ
1 stop8h 45m
United Airlines
Sat 5/162:40 pm
MBJ
- ONT
1 stop9h 18m
United Airlines
Deal found 4/5![United Airlines logo]()
$403
This Frontier deal was found by Cheapflights users on 4/4. 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.
Sat 5/168:27 pm
ONT
- PUJ
2 stops14h 50m
Frontier
Sat 5/239:29 pm
PUJ
- ONT
2 stops24h 42m
Frontier
Deal found 4/4![Frontier logo]()
$438
This Southwest deal was found by Cheapflights users on 4/6. 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.
Sat 4/259:55 pm
ONT
- SJU
1 stop11h 30m
Southwest
Sun 5/35:00 am
SJU
- ONT
1 stop13h 10m
Southwest
Deal found 4/6![Southwest logo]()
$500
This JetBlue deal was found by Cheapflights users on 4/6. 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.
Tue 6/910:41 pm
ONT
- MBJ
1 stop12h 22m
JetBlue
Fri 6/1210:50 am
MBJ
- ONT
1 stop13h 48m
JetBlue
Deal found 4/6![JetBlue logo]()
$548
This Delta deal was found by Cheapflights users on 4/4. 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.
Thu 6/410:00 pm
ONT
- SJU
1 stop11h 01m
Delta
Wed 6/1012:54 pm
SJU
- ONT
1 stop11h 54m
Delta
Deal found 4/4![Delta logo]()
$572
This Avianca deal was found by Cheapflights users on 4/6. 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 9/311:35 pm
ONT
- CUR
2 stops14h 25m
Avianca
Tue 9/811:35 am
CUR
- ONT
2 stops13h 10m
Avianca
Deal found 4/6![Avianca logo]()
$778
This United Airlines deal was found by Cheapflights users on 4/5. 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.
Fri 5/17:03 pm
ONT
- NAS
2 stops15h 44m
United Airlines
Mon 5/43:59 pm
NAS
- ONT
1 stop9h 36m
United Airlines
Deal found 4/5![United Airlines logo]()
$464
This American Airlines deal was found by Cheapflights users on 4/5. 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 5/111:59 pm
ONT
- NAS
1 stop11h 45m
American Airlines
Mon 5/43:44 pm
NAS
- ONT
1 stop11h 02m
American Airlines
Deal found 4/5![American Airlines logo]()
$464
This United Airlines deal was found by Cheapflights users on 4/6. 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 4/276:49 pm
ONT
- SJU
2 stops15h 56m
United Airlines
Wed 4/291:00 am
SJU
- ONT
2 stops14h 22m
United Airlines
Deal found 4/6![United Airlines logo]()
$464
This Southwest deal was found by Cheapflights users on 4/6. 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 7/279:40 pm
ONT
- NAS
2 stops12h 35m
Southwest
Fri 7/318:45 am
NAS
- ONT
2 stops10h 15m
Southwest
Deal found 4/6![Southwest logo]()
$514
This Mytrip deal was found by Cheapflights users on 4/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:36 pm
ONT
- CUR
3 stops33h 44m
Multiple Airlines
Tue 9/1511:35 am
CUR
- ONT
2 stops13h 10m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$1,028
This United Airlines deal was found by Cheapflights users on 4/4. 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 5/46:59 pm
ONT
- SJU
2 stops14h 05m
United Airlines
Tue 5/51:00 am
SJU
- ONT
2 stops14h 38m
United Airlines
Deal found 4/4![United Airlines logo]()
$478
This American Airlines deal was found by Cheapflights users on 4/5. 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 9/128:02 pm
ONT
- SXM
2 stops14h 13m
American Airlines
Sun 9/202:50 pm
SXM
- ONT
2 stops27h 06m
American Airlines
Deal found 4/5![American Airlines logo]()
$541
This KAYAK deal was found by Cheapflights users on 4/4. 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.
Sat 5/1611:10 pm
ONT
- SDQ
1 stop12h 04m
JetBlue
Wed 5/205:50 am
SDQ
- ONT
1 stop19h 20m
JetBlue
Deal found 4/4![JetBlue logo]()
$623
This Southwest deal was found by Cheapflights users on 4/7. 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 6/89:40 am
ONT
- SJU
2 stops11h 25m
Southwest
Sat 6/136:00 am
SJU
- ONT
2 stops13h 20m
Southwest
Deal found 4/7![Southwest logo]()
$567
This United Airlines deal was found by Cheapflights users on 4/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/35:00 am
ONT
- PUJ
1 stop9h 35m
United Airlines
Fri 5/81:25 pm
PUJ
- ONT
2 stops23h 16m
United Airlines
Deal found 4/9![United Airlines logo]()
$503
This JetBlue deal was found by Cheapflights users on 4/7. 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.
Sat 5/2310:41 pm
ONT
- PUJ
1 stop10h 24m
JetBlue
Sat 5/3011:19 am
PUJ
- ONT
1 stop12h 28m
JetBlue
Deal found 4/7![JetBlue logo]()
$644
This Delta deal was found by Cheapflights users on 4/6. 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.
Thu 4/3010:15 pm
ONT
- SDQ
1 stop11h 57m
Delta
Mon 5/47:59 pm
SDQ
- ONT
2 stops18h 37m
Delta
Deal found 4/6![Delta logo]()
$760
This Southwest deal was found by Cheapflights users on 4/8. 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.
Wed 6/39:45 pm
ONT
- MBJ
2 stops14h 10m
Southwest
Mon 6/811:45 am
MBJ
- ONT
2 stops12h 50m
Southwest
Deal found 4/8![Southwest logo]()
$631
This United Airlines deal was found by Cheapflights users on 4/5. 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
- NAS
2 stops15h 58m
United Airlines
Thu 4/303:59 pm
NAS
- ONT
1 stop9h 36m
United Airlines
Deal found 4/5![United Airlines logo]()
$522
This American Airlines deal was found by Cheapflights users on 4/9. 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.
Sat 5/2312:41 pm
ONT
- SXM
2 stops21h 41m
American Airlines
Fri 5/292:53 pm
SXM
- ONT
1 stop10h 43m
American Airlines
Deal found 4/9![American Airlines logo]()
$641
This Delta deal was found by Cheapflights users on 4/5. 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.
Fri 4/2410:15 pm
ONT
- SDQ
1 stop11h 57m
Delta
Mon 4/277:59 pm
SDQ
- ONT
2 stops18h 37m
Delta
Deal found 4/5![Delta logo]()
$760
This United Airlines deal was found by Cheapflights users on 4/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/235:10 am
ONT
- SJU
2 stops12h 28m
United Airlines
Sat 5/27:00 am
SJU
- ONT
2 stops16h 36m
United Airlines
Deal found 4/9![United Airlines logo]()
$522
This KAYAK deal was found by Cheapflights users on 4/5. 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.
Thu 7/211:53 pm
ONT
- SXM
1 stop10h 48m
JetBlue
Thu 7/911:20 am
SXM
- ONT
1 stop14h 15m
JetBlue
Deal found 4/5![JetBlue logo]()
$695
This American Airlines deal was found by Cheapflights users on 4/5. 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 6/2910:00 pm
ONT
- STT
1 stop12h 47m
American Airlines
Sat 7/113:42 pm
STT
- ONT
1 stop11h 17m
American Airlines
Deal found 4/5![American Airlines logo]()
$644
This United Airlines deal was found by Cheapflights users on 4/5. 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 5/126:00 am
ONT
- MBJ
1 stop29h 30m
United Airlines
Sat 5/162:40 pm
MBJ
- ONT
1 stop9h 18m
United Airlines
Deal found 4/5![United Airlines logo]()
$523
This Southwest deal was found by Cheapflights users on 4/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/219:55 pm
ONT
- AUA
2 stops12h 40m
Southwest
Thu 5/282:35 pm
AUA
- ONT
2 stops21h 10m
Southwest
Deal found 4/9![Southwest logo]()
$726
This Priceline deal was found by Cheapflights users on 4/4. 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.
Mon 6/1511:53 pm
ONT
- SXM
1 stop31h 11m
JetBlue
Tue 6/3011:20 am
SXM
- ONT
1 stop14h 18m
JetBlue
Deal found 4/4![JetBlue logo]()
$747
This United Airlines deal was found by Cheapflights users on 4/5. 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 5/55:00 am
ONT
- SJU
2 stops12h 38m
United Airlines
Sat 5/97:40 am
SJU
- ONT
1 stop13h 21m
United Airlines
Deal found 4/5![United Airlines logo]()
$524
Last-minute flights from Ontario to CaribbeanDiscover last-minute flight deals from Ontario to Caribbean. Data last updated April 10, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Caribbean. Data last updated April 10, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 4/218:15 am
ONT
- SJU
1 stop11h 55m
Multiple Airlines
Tue 4/283:08 am
SJU
- ONT
2 stops23h 47m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 4/8. 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 4/2110:15 pm
ONT
- SJU
1 stop10h 30m
Delta
Wed 4/2912:55 pm
SJU
- ONT
1 stop11h 05m
Delta
Deal found 4/8![Delta logo]()
$432
This Kiwi.com deal was found by Cheapflights users on 4/8. 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.
Wed 4/228:15 am
ONT
- SJU
1 stop11h 55m
Multiple Airlines
Tue 4/2811:30 am
SJU
- ONT
2 stops39h 25m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$399
This American Airlines deal was found by Cheapflights users on 4/7. 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 4/226:15 am
ONT
- SJU
2 stops13h 47m
American Airlines
Tue 4/287:25 am
SJU
- ONT
2 stops13h 59m
American Airlines
Deal found 4/7![American Airlines logo]()
$417
This Kiwi.com deal was found by Cheapflights users on 4/5. 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 4/258:00 am
ONT
- SJU
1 stop12h 10m
Multiple Airlines
Sun 5/33:31 pm
SJU
- ONT
2 stops45h 34m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$396
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 5/11:59 pm
ONT
- SJU
1 stop30h 11m
Multiple Airlines
Sun 5/103:12 pm
SJU
- ONT
2 stops43h 23m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$373
This Frontier deal was found by Cheapflights users on 4/7. 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.
Fri 5/15:33 pm
ONT
- PUJ
2 stops17h 21m
Frontier
Sun 5/1011:45 am
PUJ
- ONT
2 stops23h 04m
Frontier
Deal found 4/7![Frontier logo]()
$428
This Delta deal was found by Cheapflights users on 4/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/210:15 pm
ONT
- SJU
1 stop10h 30m
Delta
Tue 5/57:30 am
SJU
- ONT
1 stop14h 03m
Delta
Deal found 4/9![Delta logo]()
$374
This Delta deal was found by Cheapflights users on 4/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/210:15 pm
ONT
- SJU
1 stop10h 30m
Delta
Wed 5/612:55 pm
SJU
- ONT
1 stop11h 05m
Delta
Deal found 4/9![Delta logo]()
$404
This FlightHub deal was found by Cheapflights users on 4/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/610:50 am
ONT
- MBJ
2 stops47h 21m
Frontier
Wed 5/131:16 pm
MBJ
- ONT
2 stops20h 19m
Frontier
Deal found 4/9![Frontier logo]()
$389
This United Airlines deal was found by Cheapflights users on 4/5. 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 5/95:00 am
ONT
- MBJ
1 stop8h 45m
United Airlines
Sat 5/162:40 pm
MBJ
- ONT
1 stop9h 18m
United Airlines
Deal found 4/5![United Airlines logo]()
$403
This American Airlines deal was found by Cheapflights users on 4/9. 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.
Mon 5/1811:29 pm
ONT
- SJU
1 stop9h 34m
American Airlines
Sat 5/237:00 am
SJU
- ONT
1 stop18h 36m
American Airlines
Deal found 4/9![American Airlines logo]()
$408
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 April 10, 2026.
Search for one-way flight options from Ontario to Caribbean. Find affordable one-way fares based on user searches. Data last updated April 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 5/88:06 pm
ONT
- SJU
2 stops32h 58m
Frontier
Deal found 4/8![Frontier logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 4/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/158:06 pm
ONT
- SJU
2 stops38h 09m
Frontier
Deal found 4/9![Frontier logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 5/212:59 am
ONT
- SJU
2 stops43h 30m
Frontier
Deal found 4/6![Frontier logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 4/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/38:06 pm
ONT
- SJU
2 stops42h 08m
Frontier
Deal found 4/9![Frontier logo]()
$174
This Delta deal was found by Cheapflights users on 4/6. 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 6/110:00 pm
ONT
- SJU
1 stop11h 01m
Delta
Deal found 4/6![Delta logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 4/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/235:59 pm
ONT
- PUJ
2 stops37h 36m
Frontier
Deal found 4/9![Frontier logo]()
$184
This Aviatur deal was found by Cheapflights users on 4/8. 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 Aviatur is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2011:50 pm
ONT
- NAS
1 stop13h 13m
JetBlue
Deal found 4/8![JetBlue logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 4/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/58:06 pm
ONT
- SJU
2 stops24h 53m
Frontier
Deal found 4/9![Frontier logo]()
$185
This Delta deal was found by Cheapflights users on 4/8. 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.
Fri 5/810:00 pm
ONT
- SJU
1 stop11h 01m
Delta
Deal found 4/8![Delta logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 5/810:50 am
ONT
- SJU
3 stops29h 09m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$188
This American Airlines deal was found by Cheapflights users on 4/7. 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 6/297:12 pm
ONT
- SJU
2 stops11h 27m
American Airlines
Deal found 4/7![American Airlines logo]()
$202
This KAYAK deal was found by Cheapflights users on 4/5. 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.
Sat 5/2310:41 pm
ONT
- NAS
1 stop11h 48m
JetBlue
Deal found 4/5![JetBlue 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 April 10, 2026.
Round-trip from | $354 (American Airlines) |
|---|---|
One-way from | $150 (Kiwi.com) |
Popular in | December |
Cheapest in | October |
Average price | $423 |
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 April 10, 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
OntarioMontego Bay
ONT - MBJ
ONTMBJ
Ontario
Mon 7/6
2:15 pm-11:47 am
2 stops19h 32m
Montego Bay Sangster Intl
Sat 7/11
5:17 pm-11:45 am
2 stops20h 28m
$397
Quickest round-trip
OntarioMontego Bay
ONT - MBJ
ONTMBJ
Ontario
Sat 5/9
5:00 am-3:45 pm
1 stop8h 45m
Montego Bay Sangster Intl
Sat 5/16
2:40 pm-9:58 pm
1 stop9h 18m
$403
OntarioPunta Cana
ONT - PUJ
ONTPUJ
Ontario
Sat 5/16
8:27 pm-2:17 pm
2 stops14h 50m
Punta Cana
Sat 5/23
9:29 pm-7:11 pm
2 stops24h 42m
$438
OntarioNassau
ONT - NAS
ONTNAS
Ontario
Fri 5/1
7:03 pm-1:47 pm
2 stops15h 44m
Nassau Intl
Mon 5/4
3:59 pm-10:35 pm
1 stop9h 36m
$464
OntarioNassau
ONT - NAS
ONTNAS
Ontario
Fri 5/1
11:59 pm-2:44 pm
1 stop11h 45m
Nassau Intl
Mon 5/4
3:44 pm-11:46 pm
1 stop11h 02m
$464
OntarioSan Juan
ONT - SJU
ONTSJU
Ontario
Mon 4/27
6:49 pm-1:45 pm
2 stops15h 56m
San Juan Luis Munoz Marin Intl
Wed 4/29
1:00 am-12:22 pm
2 stops14h 22m
$464
OntarioSan Juan
ONT - SJU
ONTSJU
Ontario
Mon 5/4
6:59 pm-12:04 pm
2 stops14h 05m
San Juan Luis Munoz Marin Intl
Tue 5/5
1:00 am-12:38 pm
2 stops14h 38m
$478
OntarioSan Juan
ONT - SJU
ONTSJU
Ontario
Sat 4/25
9:55 pm-12:25 pm
1 stop11h 30m
San Juan Luis Munoz Marin Intl
Sun 5/3
5:00 am-3:10 pm
1 stop13h 10m
$500
OntarioPunta Cana
ONT - PUJ
ONTPUJ
Ontario
Sun 5/3
5:00 am-5:35 pm
1 stop9h 35m
Punta Cana
Fri 5/8
1:25 pm-9:41 am
2 stops23h 16m
$503
OntarioNassau
ONT - NAS
ONTNAS
Ontario
Mon 7/27
9:40 pm-1:15 pm
2 stops12h 35m
Nassau Intl
Fri 7/31
8:45 am-4:00 pm
2 stops10h 15m
$514
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-SJU
ONT-PUJ
ONT-NAS
ONT-MBJ
ONT-STT
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-SJU
ONT-PUJ
ONT-NAS
ONT-MBJ
What is the cheapest month to book a flight from Ontario to Caribbean?
Currently, October is the cheapest month in which you can book a flight from Ontario to Caribbean (average of $181). Flying from Ontario to Caribbean in November is currently the most expensive (average of $282). 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 April 10, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited 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.
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
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.
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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 April 10, 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 April 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$137 | Average$467 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$292 | Average$826 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$321 | Average$625 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$360 | Average$650 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$421 | Average$607 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$445 | Average$619 | FlexibilityNo cancel fee | On-time63% |