$182+ 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SJU
Jul 10 — Jul 171
Round-trip
1 adult, Economy
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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 June 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 June 10, 2026.
This Delta deal was found by Cheapflights users on 6/9. 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.
Fri 8/1410:00 pm
ONT
- SJU
1 stop10h 46m
Delta
Thu 8/2012:56 pm
SJU
- ONT
1 stop11h 56m
Delta
Deal found 6/9![Delta logo]()
$384
This American Airlines deal was found by Cheapflights users on 6/9. 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 8/222:43 pm
ONT
- SJU
2 stops20h 55m
American Airlines
Fri 8/287:22 pm
SJU
- ONT
2 stops17h 12m
American Airlines
Deal found 6/9![American Airlines logo]()
$392
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Sat 8/222:43 pm
ONT
- MBJ
2 stops18h 52m
American Airlines
Fri 8/285:08 pm
MBJ
- ONT
2 stops20h 35m
American Airlines
Deal found 6/10![American Airlines logo]()
$397
This Delta deal was found by Cheapflights users on 6/6. 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.
Sun 8/3010:00 pm
ONT
- MBJ
1 stop11h 44m
Delta
Fri 9/41:09 pm
MBJ
- ONT
1 stop10h 43m
Delta
Deal found 6/6![Delta logo]()
$412
This American Airlines deal was found by Cheapflights users on 6/5. 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.
Thu 12/311:59 pm
ONT
- MBJ
2 stops12h 54m
American Airlines
Tue 12/811:12 am
MBJ
- ONT
2 stops13h 48m
American Airlines
Deal found 6/5![American Airlines logo]()
$417
This American Airlines deal was found by Cheapflights users on 6/7. 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 8/262:27 pm
ONT
- MBJ
2 stops21h 01m
American Airlines
Tue 9/12:37 pm
MBJ
- ONT
2 stops23h 06m
American Airlines
Deal found 6/7![American Airlines logo]()
$422
This American Airlines deal was found by Cheapflights users on 6/6. 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 8/152:43 pm
ONT
- SJU
2 stops20h 55m
American Airlines
Mon 8/247:22 pm
SJU
- ONT
2 stops17h 12m
American Airlines
Deal found 6/6![American Airlines logo]()
$432
This Delta deal was found by Cheapflights users on 6/8. 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.
Thu 10/2210:59 pm
ONT
- SJU
1 stop9h 37m
Delta
Thu 10/2912:46 pm
SJU
- ONT
1 stop12h 28m
Delta
Deal found 6/8![Delta logo]()
$442
This United Airlines deal was found by Cheapflights users on 6/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/21:56 pm
ONT
- SJU
3 stops19h 58m
United Airlines
Sat 9/51:00 am
SJU
- ONT
2 stops14h 12m
United Airlines
Deal found 6/7![United Airlines logo]()
$453
This United Airlines deal was found by Cheapflights users on 6/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/105:00 am
ONT
- SJU
1 stop9h 25m
United Airlines
Thu 11/127:45 am
SJU
- ONT
2 stops14h 02m
United Airlines
Deal found 6/7![United Airlines logo]()
$474
This JetBlue deal was found by Cheapflights users on 6/9. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/189:10 pm
ONT
- SJU
1 stop13h 24m
JetBlue
Sat 9/2610:30 am
SJU
- ONT
1 stop12h 43m
JetBlue
Deal found 6/9![JetBlue logo]()
$481
This American Airlines deal was found by Cheapflights users on 6/7. 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 11/910:34 pm
ONT
- SJU
1 stop10h 30m
American Airlines
Fri 11/206:25 am
SJU
- ONT
2 stops13h 36m
American Airlines
Deal found 6/7![American Airlines logo]()
$482
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 June 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 June 10, 2026.
This Delta deal was found by Cheapflights users on 6/8. 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.
Mon 8/1710:00 pm
ONT
- SJU
1 stop10h 46m
Delta
Sun 8/232:59 pm
SJU
- ONT
1 stop9h 53m
Delta
Deal found 6/8![Delta logo]()
$510
This United Airlines deal was found by Cheapflights users on 6/6. 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.
Sat 8/155:00 am
ONT
- SJU
1 stop9h 38m
United Airlines
Sat 8/227:00 am
SJU
- ONT
2 stops14h 16m
United Airlines
Deal found 6/6![United Airlines logo]()
$522
This JetBlue deal was found by Cheapflights users on 6/9. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2411:50 pm
ONT
- SJU
1 stop13h 08m
JetBlue
Wed 8/261:30 pm
SJU
- ONT
1 stop12h 05m
JetBlue
Deal found 6/9![JetBlue logo]()
$581
This American Airlines deal was found by Cheapflights users on 6/6. 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.
Wed 7/151:11 pm
ONT
- STT
2 stops18h 52m
American Airlines
Mon 7/204:50 pm
STT
- ONT
2 stops22h 12m
American Airlines
Deal found 6/6![American Airlines logo]()
$614
This Southwest deal was found by Cheapflights users on 6/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1911:55 pm
ONT
- NAS
2 stops10h 20m
Southwest
Thu 7/238:45 am
NAS
- ONT
2 stops10h 15m
Southwest
Deal found 6/5![Southwest logo]()
$614
This Avianca deal was found by Cheapflights users on 6/6. 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.
Tue 6/2311:35 pm
ONT
- SDQ
2 stops39h 20m
Avianca
Fri 7/1712:45 pm
SDQ
- ONT
2 stops36h 00m
Avianca
Deal found 6/6![Avianca logo]()
$620
This Frontier deal was found by Cheapflights users on 6/5. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/58:17 am
ONT
- SDQ
2 stops23h 46m
Frontier
Thu 7/1612:03 pm
SDQ
- ONT
2 stops23h 00m
Frontier
Deal found 6/5![Frontier logo]()
$791
This Mytrip deal was found by Cheapflights users on 6/9. 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.
Mon 9/712:55 am
ONT
- CUR
3 stops30h 25m
Multiple Airlines
Wed 9/166:15 pm
CUR
- ONT
3 stops28h 31m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$1,046
This United Airlines deal was found by Cheapflights users on 6/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/95:00 am
ONT
- PUJ
1 stop9h 35m
United Airlines
Wed 7/151:50 pm
PUJ
- ONT
1 stop12h 01m
United Airlines
Deal found 6/7![United Airlines logo]()
$559
This American Airlines deal was found by Cheapflights users on 6/6. 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.
Thu 7/161:11 pm
ONT
- STT
2 stops20h 48m
American Airlines
Tue 7/214:50 pm
STT
- ONT
2 stops22h 12m
American Airlines
Deal found 6/6![American Airlines logo]()
$631
This Southwest deal was found by Cheapflights users on 6/9. 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.
Wed 6/249:55 am
ONT
- SJU
2 stops11h 20m
Southwest
Wed 7/225:00 am
SJU
- ONT
1 stop10h 05m
Southwest
Deal found 6/9![Southwest logo]()
$638
This JetBlue deal was found by Cheapflights users on 6/6. 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.
Sat 8/1511:24 pm
ONT
- SJU
1 stop11h 33m
JetBlue
Thu 8/201:30 pm
SJU
- ONT
1 stop12h 05m
JetBlue
Deal found 6/6![JetBlue logo]()
$646
This United Airlines deal was found by Cheapflights users on 6/6. 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.
Thu 7/236:39 pm
ONT
- PLS
2 stops18h 26m
United Airlines
Mon 7/273:30 pm
PLS
- ONT
1 stop9h 25m
United Airlines
Deal found 6/6![United Airlines logo]()
$605
This Delta deal was found by Cheapflights users on 6/9. 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.
Fri 9/111:00 pm
ONT
- PUJ
2 stops22h 32m
Delta
Thu 9/172:45 pm
PUJ
- ONT
1 stop10h 41m
Delta
Deal found 6/9![Delta logo]()
$715
This oojo deal was found by Cheapflights users on 6/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/211:35 pm
ONT
- SDQ
2 stops15h 20m
Avianca
Wed 7/156:50 pm
SDQ
- ONT
2 stops29h 55m
Avianca
Deal found 6/10![Avianca logo]()
$722
This United Airlines deal was found by Cheapflights users on 6/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/115:00 am
ONT
- MBJ
1 stop8h 45m
United Airlines
Sat 7/1812:52 pm
MBJ
- ONT
1 stop9h 50m
United Airlines
Deal found 6/7![United Airlines logo]()
$607
This JetBlue deal was found by Cheapflights users on 6/7. 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.
Mon 8/3111:50 pm
ONT
- PUJ
1 stop10h 28m
JetBlue
Wed 9/212:42 pm
PUJ
- ONT
1 stop12h 53m
JetBlue
Deal found 6/7![JetBlue logo]()
$669
This American Airlines deal was found by Cheapflights users on 6/8. 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.
Thu 7/161:11 pm
ONT
- STT
2 stops18h 52m
American Airlines
Mon 7/204:50 pm
STT
- ONT
2 stops22h 12m
American Airlines
Deal found 6/8![American Airlines logo]()
$681
This Southwest deal was found by Cheapflights users on 6/9. 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.
Wed 6/249:55 am
ONT
- SJU
2 stops11h 20m
Southwest
Mon 7/2710:20 am
SJU
- ONT
1 stop15h 05m
Southwest
Deal found 6/9![Southwest logo]()
$710
This JetBlue deal was found by Cheapflights users on 6/5. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3111:50 pm
ONT
- PLS
1 stop10h 10m
JetBlue
Thu 9/32:25 pm
PLS
- ONT
1 stop11h 10m
JetBlue
Deal found 6/5![JetBlue logo]()
$672
This United Airlines deal was found by Cheapflights users on 6/6. 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.
Sat 9/127:00 am
ONT
- MBJ
2 stops26h 43m
United Airlines
Sat 10/1012:52 pm
MBJ
- ONT
2 stops25h 26m
United Airlines
Deal found 6/6![United Airlines logo]()
$612
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Mon 6/221:50 pm
ONT
- MBJ
2 stops21h 40m
United Airlines
Sat 6/272:40 pm
MBJ
- ONT
1 stop9h 15m
United Airlines
Deal found 6/9![United Airlines logo]()
$612
This Southwest deal was found by Cheapflights users on 6/7. 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.
Sun 10/114:40 pm
ONT
- AUA
2 stops18h 30m
Southwest
Sun 10/183:50 pm
AUA
- ONT
2 stops11h 05m
Southwest
Deal found 6/7![Southwest logo]()
$774
This Delta deal was found by Cheapflights users on 6/9. 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.
Mon 8/245:05 pm
ONT
- STT
2 stops17h 29m
Delta
Fri 8/282:49 pm
STT
- ONT
1 stop10h 03m
Delta
Deal found 6/9![Delta logo]()
$887
This United Airlines deal was found by Cheapflights users on 6/6. 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.
Sat 7/115:45 am
ONT
- NAS
1 stop7h 11m
United Airlines
Sun 7/124:58 pm
NAS
- ONT
1 stop7h 57m
United Airlines
Deal found 6/6![United Airlines logo]()
$614
This JetBlue deal was found by Cheapflights users on 6/7. 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 8/111:18 pm
ONT
- SJU
1 stop11h 49m
JetBlue
Fri 8/71:30 pm
SJU
- ONT
1 stop12h 05m
JetBlue
Deal found 6/7![JetBlue logo]()
$772
This Southwest deal was found by Cheapflights users on 6/8. 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.
Sun 6/289:40 pm
ONT
- GCM
2 stops12h 15m
Southwest
Fri 7/312:50 pm
GCM
- ONT
2 stops12h 40m
Southwest
Deal found 6/8![Southwest logo]()
$802
This Delta deal was found by Cheapflights users on 6/9. 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.
Fri 12/410:59 pm
ONT
- STT
1 stop11h 44m
Delta
Fri 12/113:54 pm
STT
- ONT
1 stop10h 20m
Delta
Deal found 6/9![Delta logo]()
$894
This United Airlines deal was found by Cheapflights users on 6/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/281:50 pm
ONT
- NAS
2 stops22h 07m
United Airlines
Mon 8/103:59 pm
NAS
- ONT
1 stop9h 52m
United Airlines
Deal found 6/7![United Airlines logo]()
$614
This United Airlines deal was found by Cheapflights users on 6/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:45 am
ONT
- NAS
1 stop7h 11m
United Airlines
Mon 7/204:58 pm
NAS
- ONT
1 stop7h 57m
United Airlines
Deal found 6/7![United Airlines logo]()
$614
Last-minute flights from Ontario to CaribbeanDiscover last-minute flight deals from Ontario to Caribbean. Data last updated June 10, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Caribbean. Data last updated June 10, 2026 and is based on user searches.
This Faresmojo deal was found by Cheapflights users on 6/9. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/2511:58 pm
ONT
- SJU
1 stop13h 01m
JetBlue
Tue 6/301:12 pm
SJU
- ONT
1 stop12h 31m
JetBlue
Deal found 6/9![JetBlue logo]()
$498
This American Airlines deal was found by Cheapflights users on 6/7. 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.
Tue 6/307:13 pm
ONT
- NAS
2 stops15h 40m
American Airlines
Sat 7/43:10 pm
NAS
- ONT
2 stops21h 19m
American Airlines
Deal found 6/7![American Airlines logo]()
$520
This American Airlines deal was found by Cheapflights users on 6/6. 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.
Wed 7/15:45 am
ONT
- NAS
1 stop8h 19m
American Airlines
Wed 7/812:39 pm
NAS
- ONT
1 stop12h 55m
American Airlines
Deal found 6/6![American Airlines logo]()
$499
This American Airlines deal was found by Cheapflights users on 6/6. 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 7/412:35 pm
ONT
- MBJ
2 stops20h 50m
American Airlines
Thu 7/305:14 pm
MBJ
- ONT
2 stops20h 31m
American Airlines
Deal found 6/6![American Airlines logo]()
$537
This United Airlines deal was found by Cheapflights users on 6/5. 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 7/45:00 am
ONT
- MBJ
2 stops30h 30m
United Airlines
Wed 7/82:40 pm
MBJ
- ONT
2 stops24h 07m
United Airlines
Deal found 6/5![United Airlines logo]()
$547
This United Airlines deal was found by Cheapflights users on 6/5. 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.
Thu 7/95:00 am
ONT
- PUJ
1 stop9h 35m
United Airlines
Wed 7/151:50 pm
PUJ
- ONT
1 stop12h 01m
United Airlines
Deal found 6/5![United Airlines logo]()
$559
This United Airlines deal was found by Cheapflights users on 6/9. 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 7/165:45 am
ONT
- NAS
1 stop7h 11m
United Airlines
Tue 7/214:58 pm
NAS
- ONT
1 stop7h 57m
United Airlines
Deal found 6/9![United Airlines logo]()
$494
This American Airlines deal was found by Cheapflights users on 6/9. 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.
Thu 7/1611:59 pm
ONT
- NAS
1 stop14h 06m
American Airlines
Tue 7/217:39 am
NAS
- ONT
2 stops13h 39m
American Airlines
Deal found 6/9![American Airlines logo]()
$498
This Southwest deal was found by Cheapflights users on 6/8. 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.
Mon 7/209:40 am
ONT
- SJU
2 stops11h 30m
Southwest
Sat 7/255:00 am
SJU
- ONT
1 stop17h 15m
Southwest
Deal found 6/8![Southwest logo]()
$557
This United Airlines deal was found by Cheapflights users on 6/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/241:50 pm
ONT
- PLS
2 stops21h 35m
United Airlines
Tue 7/283:30 pm
PLS
- ONT
1 stop9h 25m
United Airlines
Deal found 6/7![United Airlines logo]()
$503
This United Airlines deal was found by Cheapflights users on 6/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/255:45 am
ONT
- PLS
1 stop29h 40m
United Airlines
Wed 7/293:30 pm
PLS
- ONT
1 stop9h 25m
United Airlines
Deal found 6/7![United Airlines logo]()
$514
This American Airlines deal was found by Cheapflights users on 6/7. 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 7/291:11 pm
ONT
- SJU
2 stops12h 28m
American Airlines
Mon 8/312:58 am
SJU
- ONT
1 stop11h 31m
American Airlines
Deal found 6/7![American Airlines logo]()
$552
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 June 10, 2026.
Search for one-way flight options from Ontario to Caribbean. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
This Delta deal was found by Cheapflights users on 6/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/85:05 pm
ONT
- MBJ
2 stops16h 19m
Delta
Deal found 6/7![Delta logo]()
$182
This American Airlines deal was found by Cheapflights users on 6/9. 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.
Tue 7/147:15 pm
ONT
- NAS
2 stops11h 46m
American Airlines
Deal found 6/9![American Airlines logo]()
$193
This American Airlines deal was found by Cheapflights users on 6/7. 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.
Sat 7/412:35 pm
ONT
- MBJ
2 stops20h 50m
American Airlines
Deal found 6/7![American Airlines logo]()
$219
This American Airlines deal was found by Cheapflights users on 6/8. 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.
Sun 6/281:11 pm
ONT
- MBJ
2 stops20h 33m
American Airlines
Deal found 6/8![American Airlines logo]()
$232
This United Airlines deal was found by Cheapflights users on 6/5. 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.
Mon 6/296:10 am
ONT
- SJU
1 stop11h 24m
United Airlines
Deal found 6/5![United Airlines logo]()
$237
This American Airlines deal was found by Cheapflights users on 6/7. 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 7/611:59 pm
ONT
- MBJ
2 stops33h 48m
American Airlines
Deal found 6/7![American Airlines logo]()
$238
This American Airlines deal was found by Cheapflights users on 6/8. 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.
Mon 6/297:13 pm
ONT
- SJU
2 stops11h 26m
American Airlines
Deal found 6/8![American Airlines logo]()
$240
This American Airlines deal was found by Cheapflights users on 6/7. 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.
Sun 7/511:59 pm
ONT
- MBJ
2 stops35h 10m
American Airlines
Deal found 6/7![American Airlines logo]()
$243
This United Airlines deal was found by Cheapflights users on 6/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/31:50 pm
ONT
- MBJ
2 stops21h 00m
United Airlines
Deal found 6/7![United Airlines logo]()
$247
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Mon 7/201:50 pm
ONT
- MBJ
3 stops23h 20m
United Airlines
Deal found 6/9![United Airlines logo]()
$248
This American Airlines deal was found by Cheapflights users on 6/9. 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.
Fri 7/312:35 pm
ONT
- NAS
2 stops18h 05m
American Airlines
Deal found 6/9![American Airlines logo]()
$251
This United Airlines deal was found by Cheapflights users on 6/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/45:00 am
ONT
- MBJ
2 stops30h 30m
United Airlines
Deal found 6/8![United Airlines logo]()
$253
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 June 10, 2026.
Round-trip from | $384 (United Airlines) |
|---|---|
One-way from | $182 (Delta) |
Popular in | December |
Cheapest in | October |
Average price | $530 |
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 June 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
OntarioSan Juan
ONT - SJU
ONTSJU
Ontario
Mon 8/17
10:00 pm-11:46 am
1 stop10h 46m
San Juan Luis Munoz Marin Intl
Sun 8/23
2:59 pm-9:52 pm
1 stop9h 53m
$510
OntarioSan Juan
ONT - SJU
ONTSJU
Ontario
Sat 8/15
5:00 am-5:38 pm
1 stop9h 38m
San Juan Luis Munoz Marin Intl
Sat 8/22
7:00 am-6:16 pm
2 stops14h 16m
$522
OntarioPunta Cana
ONT - PUJ
ONTPUJ
Ontario
Thu 7/9
5:00 am-5:35 pm
1 stop9h 35m
Punta Cana
Wed 7/15
1:50 pm-10:51 pm
1 stop12h 01m
$559
OntarioSan Juan
ONT - SJU
ONTSJU
Ontario
Mon 8/24
11:50 pm-3:58 pm
1 stop13h 08m
San Juan Luis Munoz Marin Intl
Wed 8/26
1:30 pm-10:35 pm
1 stop12h 05m
$581
OntarioProvidenciales
ONT - PLS
ONTPLS
Ontario
Thu 7/23
6:39 pm-4:05 pm
2 stops18h 26m
Providenciales
Mon 7/27
3:30 pm-9:55 pm
1 stop9h 25m
$605
OntarioMontego Bay
ONT - MBJ
ONTMBJ
Ontario
Sat 7/11
5:00 am-3:45 pm
1 stop8h 45m
Montego Bay Sangster Intl
Sat 7/18
12:52 pm-8:42 pm
1 stop9h 50m
$607
OntarioMontego Bay
ONT - MBJ
ONTMBJ
Ontario
Sat 9/12
7:00 am-11:43 am
2 stops26h 43m
Montego Bay Sangster Intl
Sat 10/10
12:52 pm-12:18 pm
2 stops25h 26m
$612
OntarioMontego Bay
ONT - MBJ
ONTMBJ
Ontario
Mon 6/22
1:50 pm-1:30 pm
2 stops21h 40m
Montego Bay Sangster Intl
Sat 6/27
2:40 pm-9:55 pm
1 stop9h 15m
$612
OntarioSaint Thomas Island
ONT - STT
ONTSTT
Ontario
Wed 7/15
1:11 pm-11:03 am
2 stops18h 52m
Saint Thomas Island Cyril E King
Mon 7/20
4:50 pm-12:02 pm
2 stops22h 12m
$614
OntarioNassau
ONT - NAS
ONTNAS
Ontario
Sun 7/19
11:55 pm-1:15 pm
2 stops10h 20m
Nassau Intl
Thu 7/23
8:45 am-4:00 pm
2 stops10h 15m
$614
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-PLS
ONT-MBJ
ONT-PUJ
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-PLS
ONT-MBJ
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 June is currently the most expensive (average of $419). 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.
How far ahead should I book a flight from Ontario to Caribbean?
Booking 68 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ontario to Caribbean. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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 June 10, 2026.
Read reviews from past customers who have flown Southwest,United Airlines, andAmerican 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.
Boarding
8.1
Comfort
8.0
Overall
7.9
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Comfort
8.0
Overall
7.9
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Comfort
8.0
Overall
7.9
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Comfort
8.0
Overall
7.9
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Comfort
8.0
Overall
7.9
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Comfort
8.0
Overall
7.9
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
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 June 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 June 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$176 | Average$507 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$292 | Average$552 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$318 | Average$624 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$360 | Average$649 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$419 | Average$646 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$421 | Average$652 | FlexibilityNo cancel fee | On-time62% |