$124+ Cheap flights from Ontario (ONT) to Cancún (CUN)
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 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CUN
May 27 — Jun 31
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Cancún with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to Cancún
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Cheapest flights from Ontario to CancúnExplore the most affordable flight options available from Ontario to Cancún. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 27, 2026.
Explore the most affordable flight options available from Ontario to Cancún. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 27, 2026.
This Booking.com deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/246:00 am
ONT
- CUN
1 stop28h 04m
Frontier
Wed 5/273:39 pm
CUN
- ONT
1 stop10h 10m
Frontier
Deal found 4/25![Frontier logo]()
$320
This FlightHub deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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.
Thu 6/119:36 pm
ONT
- CUN
1 stop10h 19m
Volaris
Tue 6/1612:43 pm
CUN
- ONT
1 stop9h 03m
Volaris
Deal found 4/22![Volaris logo]()
$330
This FlightHub deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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.
Thu 6/189:36 pm
ONT
- CUN
1 stop12h 18m
Volaris
Tue 6/2312:43 pm
CUN
- ONT
1 stop12h 22m
Volaris
Deal found 4/22![Volaris logo]()
$331
This FlightHub deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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.
Mon 6/159:36 pm
ONT
- CUN
1 stop12h 18m
Volaris
Sat 6/204:32 pm
CUN
- ONT
1 stop8h 33m
Volaris
Deal found 4/22![Volaris logo]()
$337
This FlightHub deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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.
Sun 6/289:36 pm
ONT
- CUN
1 stop10h 19m
Volaris
Fri 7/312:43 pm
CUN
- ONT
1 stop9h 03m
Volaris
Deal found 4/22![Volaris logo]()
$338
This FlightHub deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” 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.
Thu 7/99:36 pm
ONT
- CUN
1 stop10h 19m
Volaris
Wed 7/155:50 pm
CUN
- ONT
1 stop7h 15m
Volaris
Deal found 4/25![Volaris logo]()
$342
This Booking.com deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/246:00 am
ONT
- CUN
1 stop28h 04m
Frontier
Fri 5/2911:05 am
CUN
- ONT
1 stop10h 06m
Frontier
Deal found 4/25![Frontier logo]()
$351
This Kissandfly.com deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1712:55 am
ONT
- CUN
1 stop12h 33m
Volaris
Wed 5/273:39 pm
CUN
- ONT
1 stop10h 10m
Volaris
Deal found 4/24![Volaris logo]()
$353
This FlightHub deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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.
Sat 7/49:36 pm
ONT
- CUN
1 stop12h 18m
Volaris
Wed 7/812:43 pm
CUN
- ONT
1 stop9h 03m
Volaris
Deal found 4/22![Volaris logo]()
$356
This Booking.com deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/2410:50 am
ONT
- CUN
1 stop23h 14m
Frontier
Sun 5/313:39 pm
CUN
- ONT
1 stop20h 26m
Frontier
Deal found 4/24![Frontier logo]()
$357
This Justfly.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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.
Tue 7/79:36 pm
ONT
- CUN
1 stop10h 19m
Volaris
Tue 7/1410:40 am
CUN
- ONT
1 stop11h 06m
Volaris
Deal found 4/26![Volaris logo]()
$358
This FlightHub deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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.
Sun 5/39:36 pm
ONT
- CUN
1 stop10h 19m
Volaris
Thu 5/712:43 pm
CUN
- ONT
1 stop9h 03m
Volaris
Deal found 4/23![Volaris logo]()
$359
Best flights from Ontario to CancúnDiscover carefully curated flight deals from Ontario to Cancún that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 27, 2026.
Discover carefully curated flight deals from Ontario to Cancún that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 27, 2026.
This Volaris deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Volaris is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/39:36 pm
ONT
- CUN
1 stop10h 19m
Volaris
Mon 7/133:35 pm
CUN
- ONT
1 stop10h 15m
Volaris
Deal found 4/26![Volaris logo]()
$479
This Southwest deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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 7/69:40 pm
ONT
- CUN
2 stops14h 40m
Southwest
Sun 7/123:20 pm
CUN
- ONT
1 stop10h 20m
Southwest
Deal found 4/24![Southwest logo]()
$536
This Frontier deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/171:33 pm
ONT
- CUN
2 stops21h 15m
Frontier
Sun 6/213:35 pm
CUN
- ONT
1 stop10h 14m
Frontier
Deal found 4/26![Frontier logo]()
$553
This United Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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 10/166:00 am
ONT
- CUN
1 stop6h 37m
United Airlines
Sat 10/241:43 pm
CUN
- ONT
1 stop10h 15m
United Airlines
Deal found 4/26![United Airlines logo]()
$626
This Volaris deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Volaris is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2212:55 am
ONT
- CUN
1 stop10h 46m
Volaris
Tue 5/263:39 pm
CUN
- ONT
1 stop10h 10m
Volaris
Deal found 4/22![Volaris logo]()
$486
This Southwest deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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 8/175:45 pm
ONT
- CUN
2 stops16h 05m
Southwest
Fri 8/2111:35 am
CUN
- ONT
2 stops10h 45m
Southwest
Deal found 4/22![Southwest logo]()
$544
This Volaris deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Volaris is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/89:36 pm
ONT
- CUN
1 stop10h 19m
Volaris
Sun 6/143:35 pm
CUN
- ONT
1 stop10h 14m
Volaris
Deal found 4/26![Volaris logo]()
$555
This United Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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 10/176:00 am
ONT
- CUN
1 stop6h 37m
United Airlines
Sat 10/241:43 pm
CUN
- ONT
1 stop10h 15m
United Airlines
Deal found 4/26![United Airlines logo]()
$626
This Southwest deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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 10/19:20 pm
ONT
- CUN
2 stops14h 20m
Southwest
Tue 10/61:05 pm
CUN
- ONT
2 stops11h 00m
Southwest
Deal found 4/24![Southwest logo]()
$591
This United Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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
- CUN
1 stop6h 37m
United Airlines
Sun 9/277:51 am
CUN
- ONT
1 stop16h 07m
United Airlines
Deal found 4/22![United Airlines logo]()
$626
This Southwest deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 pm
ONT
- CUN
2 stops14h 40m
Southwest
Fri 7/242:15 pm
CUN
- ONT
2 stops11h 15m
Southwest
Deal found 4/23![Southwest logo]()
$612
This United Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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 5/246:30 pm
ONT
- CUN
2 stops22h 49m
United Airlines
Wed 5/277:51 am
CUN
- ONT
2 stops14h 51m
United Airlines
Deal found 4/26![United Airlines logo]()
$630
Last-minute flights from Ontario to CancúnDiscover last-minute flight deals from Ontario to Cancún. Data last updated April 27, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Cancún. Data last updated April 27, 2026 and is based on user searches.
This Kissandfly.com deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/212:55 am
ONT
- CUN
1 stop12h 33m
Volaris
Mon 5/1112:43 pm
CUN
- ONT
1 stop12h 22m
Volaris
Deal found 4/22![Volaris logo]()
$365
This FlightHub deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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.
Sun 5/39:36 pm
ONT
- CUN
1 stop10h 19m
Volaris
Thu 5/712:43 pm
CUN
- ONT
1 stop9h 03m
Volaris
Deal found 4/23![Volaris logo]()
$359
This Justfly.com deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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.
Sun 5/312:55 am
ONT
- CUN
1 stop12h 33m
Volaris
Mon 5/1112:43 pm
CUN
- ONT
1 stop12h 22m
Volaris
Deal found 4/22![Volaris logo]()
$363
This FlightHub deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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.
Sat 5/912:55 am
ONT
- CUN
1 stop10h 46m
Volaris
Thu 5/1412:43 pm
CUN
- ONT
1 stop12h 22m
Volaris
Deal found 4/26![Volaris logo]()
$371
This FlightHub deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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.
Sat 5/1612:55 am
ONT
- CUN
1 stop12h 33m
Volaris
Sat 5/233:39 pm
CUN
- ONT
1 stop10h 10m
Volaris
Deal found 4/24![Volaris logo]()
$366
This Kissandfly.com deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1712:55 am
ONT
- CUN
1 stop12h 33m
Volaris
Wed 5/273:39 pm
CUN
- ONT
1 stop10h 10m
Volaris
Deal found 4/24![Volaris logo]()
$353
This Justfly.com deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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.
Sun 5/179:36 pm
ONT
- CUN
1 stop12h 18m
Volaris
Thu 5/213:39 pm
CUN
- ONT
1 stop10h 10m
Volaris
Deal found 4/22![Volaris logo]()
$372
This Booking.com deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/246:00 am
ONT
- CUN
1 stop28h 04m
Frontier
Wed 5/273:39 pm
CUN
- ONT
1 stop10h 10m
Frontier
Deal found 4/25![Frontier logo]()
$320
This Booking.com deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/246:00 am
ONT
- CUN
1 stop28h 04m
Frontier
Fri 5/2911:05 am
CUN
- ONT
1 stop10h 06m
Frontier
Deal found 4/25![Frontier logo]()
$351
This Booking.com deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/2410:50 am
ONT
- CUN
1 stop23h 14m
Frontier
Sun 5/313:39 pm
CUN
- ONT
1 stop20h 26m
Frontier
Deal found 4/24![Frontier logo]()
$357
This Justfly.com deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” 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.
Sat 5/3012:55 am
ONT
- CUN
1 stop12h 33m
Volaris
Wed 6/34:32 pm
CUN
- ONT
1 stop8h 33m
Volaris
Deal found 4/25![Volaris logo]()
$364
One-way flights from Ontario to CancúnSearch for one-way flight options from Ontario to Cancún. Find affordable one-way fares based on user searches. Data last updated April 27, 2026.
Search for one-way flight options from Ontario to Cancún. Find affordable one-way fares based on user searches. Data last updated April 27, 2026.
This FlightHub deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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.
Sun 5/1712:55 am
ONT
- CUN
1 stop8h 59m
Volaris
Deal found 4/22![Volaris logo]()
$124
This FlightHub deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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.
Mon 5/412:55 am
ONT
- CUN
1 stop10h 46m
Volaris
Deal found 4/22![Volaris logo]()
$128
This FlightHub deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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.
Sun 5/312:55 am
ONT
- CUN
1 stop8h 59m
Volaris
Deal found 4/22![Volaris logo]()
$133
This FlightHub deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” 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.
Sat 5/1612:55 am
ONT
- CUN
1 stop12h 33m
Volaris
Deal found 4/25![Volaris logo]()
$136
This Justfly.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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.
Sun 5/39:36 pm
ONT
- CUN
1 stop10h 19m
Volaris
Deal found 4/23![Volaris logo]()
$141
This FlightHub deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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.
Tue 6/1612:55 am
ONT
- CUN
1 stop12h 33m
Volaris
Deal found 4/27![Volaris logo]()
$147
This FlightHub deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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 7/112:55 am
ONT
- CUN
1 stop12h 33m
Volaris
Deal found 4/24![Volaris logo]()
$150
This FlightHub deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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.
Fri 6/512:55 am
ONT
- CUN
1 stop12h 33m
Volaris
Deal found 4/22![Volaris logo]()
$151
This FlightHub deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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.
Mon 7/209:36 pm
ONT
- CUN
1 stop11h 19m
Volaris
Deal found 4/26![Volaris logo]()
$152
This FlightHub deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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.
Mon 6/89:36 pm
ONT
- CUN
1 stop10h 19m
Volaris
Deal found 4/22![Volaris logo]()
$153
Find flight deals from Ontario to Cancún
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Cancún (CUN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $320 (Booking.com) |
One-way from | $124 (FlightHub) |
Popular in | April |
Cheapest in | March |
Average price | $589 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Cancún 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 27, 2026.
Use the filters below to find and compare flights from Ontario to Cancún that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioCancún
ONT - CUN
ONTCUN
Ontario
Fri 7/3
9:36 pm-9:55 am
1 stop10h 19m
Cancun
Mon 7/13
3:35 pm-11:50 pm
1 stop10h 15m
$479
OntarioCancún
ONT - CUN
ONTCUN
Ontario
Fri 5/22
12:55 am-1:41 pm
1 stop10h 46m
Cancun
Tue 5/26
3:39 pm-11:49 pm
1 stop10h 10m
$486
OntarioCancún
ONT - CUN
ONTCUN
Ontario
Mon 7/6
9:40 pm-2:20 pm
2 stops14h 40m
Cancun
Sun 7/12
3:20 pm-11:40 pm
1 stop10h 20m
$536
OntarioCancún
ONT - CUN
ONTCUN
Ontario
Mon 8/17
5:45 pm-11:50 am
2 stops16h 05m
Cancun
Fri 8/21
11:35 am-8:20 pm
2 stops10h 45m
$544
OntarioCancún
ONT - CUN
ONTCUN
Ontario
Wed 6/17
1:33 pm-12:48 pm
2 stops21h 15m
Cancun
Sun 6/21
3:35 pm-11:49 pm
1 stop10h 14m
$553
OntarioCancún
ONT - CUN
ONTCUN
Ontario
Mon 6/8
9:36 pm-9:55 am
1 stop10h 19m
Cancun
Sun 6/14
3:35 pm-11:49 pm
1 stop10h 14m
$555
OntarioCancún
ONT - CUN
ONTCUN
Ontario
Thu 10/1
9:20 pm-1:40 pm
2 stops14h 20m
Cancun
Tue 10/6
1:05 pm-10:05 pm
2 stops11h 00m
$591
OntarioCancún
ONT - CUN
ONTCUN
Ontario
Mon 7/20
9:40 pm-2:20 pm
2 stops14h 40m
Cancun
Fri 7/24
2:15 pm-11:30 pm
2 stops11h 15m
$612
Quickest round-trip
OntarioCancún
ONT - CUN
ONTCUN
Ontario
Fri 10/16
6:00 am-2:37 pm
1 stop6h 37m
Cancun
Sat 10/24
1:43 pm-9:58 pm
1 stop10h 15m
$626
OntarioCancún
ONT - CUN
ONTCUN
Ontario
Sat 10/17
6:00 am-2:37 pm
1 stop6h 37m
Cancun
Sat 10/24
1:43 pm-9:58 pm
1 stop10h 15m
$626
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Ontario to Cancún
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Cancún in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Ontario-Cancún flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Cancún flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Cancún flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Cancún flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Cancún flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Ontario to Cancún
Have a flexible travel schedule? Discover the best time to fly to Cancún from Ontario with our price prediction graph.
ONT-CUN
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 Cancún
Prices
More
How far ahead should I book a flight from Ontario to Cancún?
The price you pay for your flight from Ontario to Cancún may vary depending on when you book. For the best chance of a lower fare, look to book 83 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Ontario to Cancún?
Currently, March is the cheapest month in which you can book a flight from Ontario to Cancún (average of $409). Flying from Ontario to Cancún in April is currently the most expensive (average of $589). 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 much does it cost to fly round-trip from Ontario to Cancún?
What’s the top layover airport for flights from Ontario to Cancún?
Share of 1-stop round-trip flights from Ontario to Cancún chosen by Cheapflights users in the past 12 months, using the same layover each way.
Phoenix (PHX) – chosen by Cheapflights users on 29% of 1-stop itineraries from Ontario to Cancún on Cheapflights.
What’s the cheapest layover airport for flights from Ontario to Cancún?
Average round-trip fare for 1-stop flights from Ontario to Cancún, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $410.
What’s the fastest layover option from Ontario to Cancún?
Shortest average travel time for 1-stop one-way flights from Ontario to Cancún, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Houston (IAH) have the shortest average one-way travel time for 1-stop routes: 6h 23m.
Which airport typically offers the quickest layover for flights from Ontario to Cancún?
Average layover duration for 1-stop one-way flights from Ontario to Cancún, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Houston (IAH) offer the fastest connection on this route, with an average layover time of 1h 19m.
Reviews of airlines servicing Cancún
Get insights into the airlines that provide service to Cancún. 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 Cancún. Reviews last updated April 27, 2026.
Read through reviews of airlines operating flights from Ontario to Cancún, such as Southwest,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Overall
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 Cancún. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Cancún?
Book flights to Cancún if you plan to visit one of these locationsPuerto Aventuras
Punta Sam
Holbox
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Alternative routes for Ontario to Cancún
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Other flights to Cancún
Explore flights to Cancún departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 27, 2026.
Complete your trip
Complete your trip to Cancún by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Cancún by cabin class
Find flights from Ontario to Cancún, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Cancún flights
Browse other Ontario and Cancún flight options. Last updated on April 27, 2026.
Other flights from Ontario
Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on April 27, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 7 airlines flying from Ontario to Cancún
Discover the top 7 airlines that operate flights from Ontario to Cancún. 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 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$191 | Average$481 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$204 | Average$368 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$291 | Average$378 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$349 | Average$413 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$376 | Average$503 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$381 | Average$605 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$467 | Average$589 | FlexibilityNo cancel fee | On-time71% |