$147+ 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 5/22. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SJU
Jun 2 — Jun 91
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Caribbean with Cheapflights
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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 May 3, 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 May 3, 2026.
This United Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 9/267:00 am
ONT
- SJU
2 stops13h 50m
United Airlines
Sat 10/32:00 pm
SJU
- ONT
1 stop9h 52m
United Airlines
Deal found 4/30![United Airlines logo]()
$374
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 14m
American Airlines
Fri 8/2812:47 pm
MBJ
- ONT
1 stop12h 11m
American Airlines
Deal found 4/29![American Airlines logo]()
$392
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 8/1410:59 pm
ONT
- SJU
1 stop9h 57m
Delta
Tue 8/252:40 pm
SJU
- ONT
1 stop10h 16m
Delta
Deal found 4/29![Delta logo]()
$398
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 5/136:59 pm
ONT
- MBJ
2 stops16h 31m
United Airlines
Fri 6/54:12 pm
MBJ
- ONT
2 stops22h 00m
United Airlines
Deal found 4/29![United Airlines logo]()
$407
This American Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 8/1011:59 pm
ONT
- SJU
2 stops13h 04m
American Airlines
Wed 8/193:44 pm
SJU
- ONT
1 stop10h 14m
American Airlines
Deal found 4/30![American Airlines logo]()
$414
This Priceline deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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.
Tue 8/2511:50 pm
ONT
- SJU
1 stop11h 08m
Multiple Airlines
Sat 8/296:25 am
SJU
- ONT
1 stop13h 23m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$418
This American Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/611:59 pm
ONT
- MBJ
2 stops11h 26m
American Airlines
Tue 5/122:19 pm
MBJ
- ONT
2 stops21h 50m
American Airlines
Deal found 5/1![American Airlines logo]()
$422
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 8/1610:59 pm
ONT
- SJU
1 stop9h 57m
Delta
Wed 8/261:06 pm
SJU
- ONT
1 stop11h 50m
Delta
Deal found 4/29![Delta logo]()
$422
This Priceline deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 8/2411:50 pm
ONT
- SJU
1 stop11h 08m
Multiple Airlines
Sat 8/296:25 am
SJU
- ONT
1 stop13h 23m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$423
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 7/315:00 am
ONT
- SJU
1 stop9h 38m
United Airlines
Tue 8/41:40 pm
SJU
- ONT
1 stop10h 02m
United Airlines
Deal found 4/28![United Airlines logo]()
$427
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 7/305:10 pm
ONT
- SJU
2 stops17h 01m
Delta
Wed 8/52:05 pm
SJU
- ONT
2 stops12h 39m
Delta
Deal found 5/1![Delta logo]()
$430
This United Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/71:40 pm
ONT
- MBJ
2 stops21h 50m
United Airlines
Fri 5/152:40 pm
MBJ
- ONT
1 stop9h 18m
United Airlines
Deal found 5/1![United Airlines logo]()
$432
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 May 3, 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 May 3, 2026.
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 7/315:10 pm
ONT
- SJU
2 stops17h 01m
Delta
Tue 8/42:05 pm
SJU
- ONT
2 stops12h 39m
Delta
Deal found 4/28![Delta logo]()
$432
This United Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 9/246:00 am
ONT
- SJU
1 stop11h 38m
United Airlines
Tue 10/67:00 am
SJU
- ONT
2 stops16h 16m
United Airlines
Deal found 5/2![United Airlines logo]()
$464
This American Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 7/32:15 pm
ONT
- SXM
2 stops22h 28m
American Airlines
Wed 7/82:34 pm
SXM
- ONT
1 stop11h 00m
American Airlines
Deal found 5/3![American Airlines logo]()
$468
This Southwest deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 6/218:40 pm
ONT
- SJU
2 stops11h 05m
Southwest
Sat 6/276:00 am
SJU
- ONT
2 stops13h 20m
Southwest
Deal found 5/1![Southwest logo]()
$600
This Gotogate deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/2511:35 pm
ONT
- SDQ
2 stops15h 20m
Avianca
Mon 6/296:50 pm
SDQ
- ONT
2 stops29h 55m
Avianca
Deal found 4/30![Avianca logo]()
$606
This JetBlue deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 7/2011:50 pm
ONT
- SJU
1 stop13h 08m
JetBlue
Fri 7/241:30 pm
SJU
- ONT
1 stop12h 05m
JetBlue
Deal found 4/30![JetBlue logo]()
$705
This United Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 5/276:30 pm
ONT
- PLS
2 stops16h 55m
United Airlines
Mon 6/15:15 pm
PLS
- ONT
2 stops22h 29m
United Airlines
Deal found 5/3![United Airlines logo]()
$488
This United Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 8/137:13 pm
ONT
- SJU
2 stops17h 29m
United Airlines
Tue 8/187:00 am
SJU
- ONT
2 stops16h 04m
United Airlines
Deal found 5/1![United Airlines logo]()
$494
This United Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 8/45:45 am
ONT
- SJU
1 stop11h 53m
United Airlines
Tue 8/187:00 am
SJU
- ONT
2 stops14h 11m
United Airlines
Deal found 5/2![United Airlines logo]()
$534
This Southwest deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 5/139:55 pm
ONT
- MBJ
1 stop14h 00m
Southwest
Fri 6/512:35 pm
MBJ
- ONT
1 stop11h 50m
Southwest
Deal found 4/29![Southwest logo]()
$652
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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
- GCM
1 stop11h 54m
Delta
Fri 6/51:19 pm
GCM
- ONT
1 stop10h 29m
Delta
Deal found 5/2![Delta logo]()
$677
This JetBlue deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 7/1811:24 pm
ONT
- NAS
1 stop13h 39m
JetBlue
Mon 7/271:55 pm
NAS
- ONT
1 stop11h 40m
JetBlue
Deal found 4/30![JetBlue logo]()
$718
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 7/169:40 am
ONT
- SJU
1 stop11h 45m
Southwest
Tue 7/215:00 am
SJU
- ONT
1 stop10h 05m
Southwest
Deal found 4/28![Southwest logo]()
$656
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 5/2910:00 pm
ONT
- GCM
1 stop11h 54m
Delta
Fri 6/51:19 pm
GCM
- ONT
1 stop10h 29m
Delta
Deal found 5/2![Delta logo]()
$677
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 9/125:00 am
ONT
- SJU
2 stops12h 38m
United Airlines
Sat 9/262:55 pm
SJU
- ONT
1 stop10h 03m
United Airlines
Deal found 4/28![United Airlines logo]()
$564
This Southwest deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/228:45 pm
ONT
- MBJ
2 stops15h 10m
Southwest
Thu 7/23:55 pm
MBJ
- ONT
2 stops19h 10m
Southwest
Deal found 5/3![Southwest logo]()
$657
This Priceline deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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.
Fri 6/510:41 pm
ONT
- AUA
1 stop14h 24m
JetBlue
Fri 6/126:00 pm
AUA
- ONT
1 stop31h 01m
JetBlue
Deal found 4/28![JetBlue logo]()
$732
This United Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 5/136:00 am
ONT
- MBJ
1 stop29h 30m
United Airlines
Sun 6/72:40 pm
MBJ
- ONT
1 stop9h 15m
United Airlines
Deal found 4/30![United Airlines logo]()
$565
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 5/281:29 pm
ONT
- GCM
2 stops20h 25m
Delta
Thu 6/41:19 pm
GCM
- ONT
2 stops21h 34m
Delta
Deal found 5/2![Delta logo]()
$713
This Priceline deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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.
Sun 5/2410:41 pm
ONT
- SXM
1 stop12h 13m
JetBlue
Fri 5/293:14 pm
SXM
- ONT
1 stop32h 33m
JetBlue
Deal found 5/1![JetBlue logo]()
$777
This United Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 8/25:45 am
ONT
- SXM
2 stops27h 48m
United Airlines
Thu 8/63:50 pm
SXM
- ONT
2 stops31h 52m
United Airlines
Deal found 4/30![United Airlines logo]()
$588
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 6/185:15 am
ONT
- SJU
2 stops11h 10m
Southwest
Fri 6/269:50 am
SJU
- ONT
2 stops12h 05m
Southwest
Deal found 4/28![Southwest logo]()
$716
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 7/810:00 pm
ONT
- GCM
1 stop11h 31m
Delta
Wed 7/1512:56 pm
GCM
- ONT
1 stop10h 54m
Delta
Deal found 5/3![Delta logo]()
$739
This JetBlue deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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.
Sun 5/2410:41 pm
ONT
- AUA
1 stop13h 24m
JetBlue
Tue 6/94:40 pm
AUA
- ONT
1 stop31h 07m
JetBlue
Deal found 5/2![JetBlue logo]()
$784
This United Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 7/215:45 am
ONT
- NAS
1 stop7h 11m
United Airlines
Thu 7/304:58 pm
NAS
- ONT
1 stop7h 57m
United Airlines
Deal found 4/30![United Airlines logo]()
$604
This Southwest deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 6/148:40 pm
ONT
- GCM
2 stops13h 15m
Southwest
Fri 6/1912:50 pm
GCM
- ONT
2 stops22h 20m
Southwest
Deal found 5/2![Southwest logo]()
$757
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 7/2710:00 pm
ONT
- SDQ
1 stop12h 17m
Delta
Fri 8/72:53 pm
SDQ
- ONT
1 stop9h 59m
Delta
Deal found 5/3![Delta logo]()
$770
This United Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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
- NAS
1 stop7h 11m
United Airlines
Thu 7/303:59 pm
NAS
- ONT
1 stop9h 52m
United Airlines
Deal found 5/2![United Airlines logo]()
$604
This Justfly.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2711:50 pm
ONT
- AUA
1 stop13h 50m
JetBlue
Tue 8/41:35 pm
AUA
- ONT
1 stop12h 00m
JetBlue
Deal found 4/30![JetBlue logo]()
$824
This United Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 7/255:00 am
ONT
- NAS
1 stop8h 10m
United Airlines
Tue 7/283:59 pm
NAS
- ONT
1 stop9h 52m
United Airlines
Deal found 5/2![United Airlines logo]()
$604
Last-minute flights from Ontario to CaribbeanDiscover last-minute flight deals from Ontario to Caribbean. Data last updated May 3, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Caribbean. Data last updated May 3, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/611:59 pm
ONT
- MBJ
2 stops11h 26m
American Airlines
Tue 5/122:19 pm
MBJ
- ONT
2 stops21h 50m
American Airlines
Deal found 5/1![American Airlines logo]()
$422
This United Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/66:59 pm
ONT
- MBJ
2 stops16h 31m
United Airlines
Tue 5/122:40 pm
MBJ
- ONT
1 stop9h 18m
United Airlines
Deal found 5/1![United Airlines logo]()
$491
This United Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/71:40 pm
ONT
- MBJ
2 stops21h 50m
United Airlines
Fri 5/152:40 pm
MBJ
- ONT
1 stop9h 18m
United Airlines
Deal found 5/1![United Airlines logo]()
$432
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 5/136:59 pm
ONT
- MBJ
2 stops16h 31m
United Airlines
Fri 6/54:12 pm
MBJ
- ONT
2 stops22h 00m
United Airlines
Deal found 4/29![United Airlines logo]()
$407
This Southwest deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 5/173:50 pm
ONT
- SJU
2 stops14h 20m
Southwest
Thu 5/215:05 am
SJU
- ONT
2 stops12h 20m
Southwest
Deal found 5/2![Southwest logo]()
$490
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 5/194:52 pm
ONT
- SJU
2 stops13h 21m
American Airlines
Thu 5/2812:44 am
SJU
- ONT
2 stops14h 21m
American Airlines
Deal found 4/29![American Airlines logo]()
$432
This United Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 5/235:45 am
ONT
- NAS
1 stop7h 11m
United Airlines
Sat 5/303:59 pm
NAS
- ONT
1 stop9h 52m
United Airlines
Deal found 5/2![United Airlines logo]()
$484
This Frontier deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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.
Mon 5/253:30 pm
ONT
- MBJ
2 stops18h 41m
Frontier
Tue 6/21:16 pm
MBJ
- ONT
2 stops20h 19m
Frontier
Deal found 5/1![Frontier logo]()
$483
This Frontier deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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.
Mon 5/253:30 pm
ONT
- MBJ
2 stops18h 41m
Frontier
Fri 6/51:16 pm
MBJ
- ONT
2 stops20h 32m
Frontier
Deal found 5/1![Frontier logo]()
$497
This United Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 5/276:30 pm
ONT
- PLS
2 stops16h 55m
United Airlines
Mon 6/15:15 pm
PLS
- ONT
2 stops22h 29m
United Airlines
Deal found 5/3![United Airlines logo]()
$488
This American Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 5/2710:00 pm
ONT
- PLS
1 stop11h 31m
American Airlines
Mon 6/13:12 pm
PLS
- ONT
2 stops21h 19m
American Airlines
Deal found 4/30![American Airlines logo]()
$493
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 5/2910:00 pm
ONT
- SJU
1 stop11h 01m
Delta
Fri 6/52:48 pm
SJU
- ONT
1 stop10h 00m
Delta
Deal found 5/2![Delta logo]()
$472
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 May 3, 2026.
Search for one-way flight options from Ontario to Caribbean. Find affordable one-way fares based on user searches. Data last updated May 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/228:06 pm
ONT
- SJU
2 stops28h 55m
Frontier
Deal found 5/1![Frontier logo]()
$147
This Trip.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/106:00 am
ONT
- SJU
2 stops39h 37m
Frontier
Deal found 5/1![Frontier logo]()
$173
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 7/1210:00 pm
ONT
- SJU
1 stop10h 46m
Delta
Deal found 4/30![Delta logo]()
$187
This American Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 7/32:15 pm
ONT
- MBJ
2 stops20h 54m
American Airlines
Deal found 5/1![American Airlines logo]()
$188
This American Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 stops12h 49m
American Airlines
Deal found 5/2![American Airlines logo]()
$212
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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
- MBJ
1 stop12h 59m
American Airlines
Deal found 4/29![American Airlines logo]()
$217
This American Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 6/296:10 am
ONT
- MBJ
2 stops27h 34m
American Airlines
Deal found 4/30![American Airlines logo]()
$223
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 5/910:43 am
ONT
- MBJ
3 stops24h 47m
United Airlines
Deal found 4/29![United Airlines logo]()
$232
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 8/81:18 pm
ONT
- SJU
2 stops13h 11m
United Airlines
Deal found 4/28![United Airlines logo]()
$232
This United Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 6/146:00 am
ONT
- MBJ
2 stops29h 30m
United Airlines
Deal found 5/1![United Airlines logo]()
$238
This American Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 6/2811:59 pm
ONT
- MBJ
2 stops33h 20m
American Airlines
Deal found 4/30![American Airlines logo]()
$240
This American Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 6/147:13 pm
ONT
- SXM
2 stops14h 27m
American Airlines
Deal found 5/1![American Airlines logo]()
$243
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 May 3, 2026.
Round-trip from | $374 (United Airlines) |
|---|---|
One-way from | $147 (Kiwi.com) |
Popular in | December |
Cheapest in | October |
Average price | $452 |
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 May 3, 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
Fri 7/31
5:10 pm-1:11 pm
2 stops17h 01m
San Juan Luis Munoz Marin Intl
Tue 8/4
2:05 pm-11:44 pm
2 stops12h 39m
$432
OntarioSan Juan
ONT - SJU
ONTSJU
Ontario
Thu 9/24
6:00 am-8:38 pm
1 stop11h 38m
San Juan Luis Munoz Marin Intl
Tue 10/6
7:00 am-8:16 pm
2 stops16h 16m
$464
OntarioSimpson Bay
ONT - SXM
ONTSXM
Ontario
Fri 7/3
2:15 pm-3:43 pm
2 stops22h 28m
Simpson Bay Princess Juliana
Wed 7/8
2:34 pm-10:34 pm
1 stop11h 00m
$468
OntarioProvidenciales
ONT - PLS
ONTPLS
Ontario
Wed 5/27
6:30 pm-2:25 pm
2 stops16h 55m
Providenciales
Mon 6/1
5:15 pm-12:44 pm
2 stops22h 29m
$488
OntarioSan Juan
ONT - SJU
ONTSJU
Ontario
Thu 8/13
7:13 pm-3:42 pm
2 stops17h 29m
San Juan Luis Munoz Marin Intl
Tue 8/18
7:00 am-8:04 pm
2 stops16h 04m
$494
OntarioSan Juan
ONT - SJU
ONTSJU
Ontario
Tue 8/4
5:45 am-8:38 pm
1 stop11h 53m
San Juan Luis Munoz Marin Intl
Tue 8/18
7:00 am-6:11 pm
2 stops14h 11m
$534
OntarioSan Juan
ONT - SJU
ONTSJU
Ontario
Sat 9/12
5:00 am-8:38 pm
2 stops12h 38m
San Juan Luis Munoz Marin Intl
Sat 9/26
2:55 pm-9:58 pm
1 stop10h 03m
$564
OntarioMontego Bay
ONT - MBJ
ONTMBJ
Ontario
Wed 5/13
6:00 am-1:30 pm
1 stop29h 30m
Montego Bay Sangster Intl
Sun 6/7
2:40 pm-9:55 pm
1 stop9h 15m
$565
OntarioSimpson Bay
ONT - SXM
ONTSXM
Ontario
Sun 8/2
5:45 am-12:33 pm
2 stops27h 48m
Simpson Bay Princess Juliana
Thu 8/6
3:50 pm-8:42 pm
2 stops31h 52m
$588
OntarioSan Juan
ONT - SJU
ONTSJU
Ontario
Sun 6/21
8:40 pm-10:45 am
2 stops11h 05m
San Juan Luis Munoz Marin Intl
Sat 6/27
6:00 am-4:20 pm
2 stops13h 20m
$600
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-MBJ
ONT-SXM
ONT-NAS
ONT-PLS
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-MBJ
ONT-SXM
ONT-NAS
How far ahead should I book a flight from Ontario to Caribbean?
Booking 14 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.
What is the cheapest month to book a flight from Ontario to Caribbean?
Currently, November is the cheapest month in which you can book a flight from Ontario to Caribbean (average of $120). Flying from Ontario to Caribbean in August is currently the most expensive (average of $368). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing Caribbean
Get insights into the airlines that provide service to Caribbean. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Caribbean. Reviews last updated May 3, 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
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
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 May 3, 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 May 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$137 | Average$467 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$292 | Average$552 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$321 | Average$628 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$360 | Average$647 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$419 | Average$658 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$421 | Average$595 | FlexibilityNo cancel fee | On-time62% |