$113+ 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 6/29. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CUN
Jun 20 — Jun 271
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 May 21, 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 May 21, 2026.
This Justfly.com deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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 6/149:36 pm
ONT
- CUN
1 stop12h 28m
Volaris
Wed 6/1712:49 pm
CUN
- ONT
1 stop12h 16m
Volaris
Deal found 5/20![Volaris logo]()
$296
This FlightHub deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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 6/2912:55 am
ONT
- CUN
1 stop12h 33m
Volaris
Wed 7/14:32 pm
CUN
- ONT
1 stop8h 33m
Volaris
Deal found 5/19![Volaris logo]()
$297
This Justfly.com deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/69:36 pm
ONT
- CUN
1 stop10h 19m
Volaris
Thu 6/1810:40 am
CUN
- ONT
1 stop11h 06m
Volaris
Deal found 5/18![Volaris logo]()
$299
This FlightHub deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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 6/69:36 pm
ONT
- CUN
1 stop10h 19m
Volaris
Thu 6/1112:49 pm
CUN
- ONT
1 stop8h 57m
Volaris
Deal found 5/20![Volaris logo]()
$301
This FlightHub deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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 6/209:36 pm
ONT
- CUN
1 stop12h 28m
Volaris
Tue 6/2312:49 pm
CUN
- ONT
1 stop12h 16m
Volaris
Deal found 5/20![Volaris logo]()
$302
This Justfly.com deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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.
Wed 6/39:36 pm
ONT
- CUN
1 stop12h 28m
Volaris
Tue 6/164:32 pm
CUN
- ONT
1 stop8h 33m
Volaris
Deal found 5/20![Volaris logo]()
$303
This FlightHub deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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
Fri 6/1212:49 pm
CUN
- ONT
1 stop8h 57m
Volaris
Deal found 5/19![Volaris logo]()
$307
This FlightHub deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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 6/412:55 am
ONT
- CUN
1 stop12h 33m
Volaris
Wed 6/104:32 pm
CUN
- ONT
1 stop8h 33m
Volaris
Deal found 5/20![Volaris logo]()
$308
This FlightHub deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/69:36 pm
ONT
- CUN
1 stop10h 19m
Volaris
Wed 6/1010:40 am
CUN
- ONT
1 stop11h 06m
Volaris
Deal found 5/18![Volaris logo]()
$309
This FlightHub deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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 6/112:55 am
ONT
- CUN
1 stop9h 09m
Volaris
Fri 6/510:40 am
CUN
- ONT
1 stop11h 06m
Volaris
Deal found 5/19![Volaris logo]()
$311
This Justfly.com deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/712:55 am
ONT
- CUN
1 stop12h 33m
Volaris
Mon 6/1510:40 am
CUN
- ONT
1 stop11h 06m
Volaris
Deal found 5/18![Volaris logo]()
$312
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 May 21, 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 May 21, 2026.
This United Airlines deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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
Mon 9/287:51 am
CUN
- ONT
2 stops15h 01m
United Airlines
Deal found 5/20![United Airlines logo]()
$521
This Delta deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 11/17:00 am
ONT
- CUN
1 stop11h 15m
Delta
Thu 11/53:00 pm
CUN
- ONT
1 stop10h 14m
Delta
Deal found 5/18![Delta logo]()
$586
This Southwest deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:20 am
ONT
- CUN
2 stops8h 45m
Southwest
Sat 10/311:45 pm
CUN
- ONT
2 stops8h 55m
Southwest
Deal found 5/15![Southwest logo]()
$631
This United Airlines deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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 9/206:00 am
ONT
- CUN
1 stop6h 37m
United Airlines
Wed 9/232:49 pm
CUN
- ONT
2 stops21h 14m
United Airlines
Deal found 5/20![United Airlines logo]()
$521
This Southwest deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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.
Fri 8/145:45 pm
ONT
- CUN
2 stops17h 05m
Southwest
Sat 8/2210:10 am
CUN
- ONT
2 stops12h 40m
Southwest
Deal found 5/19![Southwest logo]()
$631
This United Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 10/306:02 am
ONT
- CUN
1 stop11h 16m
United Airlines
Tue 11/36:30 am
CUN
- ONT
1 stop17h 51m
United Airlines
Deal found 5/18![United Airlines logo]()
$636
This United Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 9/241:49 pm
ONT
- CUN
2 stops18h 17m
United Airlines
Sat 10/37:51 am
CUN
- ONT
2 stops15h 01m
United Airlines
Deal found 5/15![United Airlines logo]()
$641
This United Airlines deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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 7/181:50 pm
ONT
- CUN
2 stops22h 47m
United Airlines
Fri 7/247:51 am
CUN
- ONT
1 stop16h 04m
United Airlines
Deal found 5/19![United Airlines logo]()
$641
This United Airlines deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” 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 9/235:00 am
ONT
- CUN
1 stop7h 40m
United Airlines
Thu 10/155:22 pm
CUN
- ONT
2 stops21h 19m
United Airlines
Deal found 5/16![United Airlines logo]()
$641
This United Airlines deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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 7/211:50 pm
ONT
- CUN
2 stops21h 20m
United Airlines
Tue 7/287:51 am
CUN
- ONT
2 stops16h 46m
United Airlines
Deal found 5/19![United Airlines logo]()
$641
This United Airlines deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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 7/205:00 am
ONT
- CUN
1 stop7h 40m
United Airlines
Tue 7/285:22 pm
CUN
- ONT
2 stops21h 25m
United Airlines
Deal found 5/19![United Airlines logo]()
$641
Last-minute flights from Ontario to CancúnDiscover last-minute flight deals from Ontario to Cancún. Data last updated May 21, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Cancún. Data last updated May 21, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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 6/112:55 am
ONT
- CUN
1 stop9h 09m
Volaris
Fri 6/510:40 am
CUN
- ONT
1 stop11h 06m
Volaris
Deal found 5/19![Volaris logo]()
$311
This Justfly.com deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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.
Wed 6/39:36 pm
ONT
- CUN
1 stop12h 28m
Volaris
Tue 6/164:32 pm
CUN
- ONT
1 stop8h 33m
Volaris
Deal found 5/20![Volaris logo]()
$303
This FlightHub deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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 6/412:55 am
ONT
- CUN
1 stop12h 33m
Volaris
Wed 6/104:32 pm
CUN
- ONT
1 stop8h 33m
Volaris
Deal found 5/20![Volaris logo]()
$308
This Justfly.com deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/69:36 pm
ONT
- CUN
1 stop10h 19m
Volaris
Thu 6/1810:40 am
CUN
- ONT
1 stop11h 06m
Volaris
Deal found 5/18![Volaris logo]()
$299
This FlightHub deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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 6/69:36 pm
ONT
- CUN
1 stop10h 19m
Volaris
Thu 6/1112:49 pm
CUN
- ONT
1 stop8h 57m
Volaris
Deal found 5/20![Volaris logo]()
$301
This FlightHub deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/69:36 pm
ONT
- CUN
1 stop10h 19m
Volaris
Wed 6/1010:40 am
CUN
- ONT
1 stop11h 06m
Volaris
Deal found 5/18![Volaris logo]()
$309
This Justfly.com deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/712:55 am
ONT
- CUN
1 stop12h 33m
Volaris
Mon 6/1510:40 am
CUN
- ONT
1 stop11h 06m
Volaris
Deal found 5/18![Volaris logo]()
$312
This FlightHub deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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
Fri 6/1212:49 pm
CUN
- ONT
1 stop8h 57m
Volaris
Deal found 5/19![Volaris logo]()
$307
This Justfly.com deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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 6/149:36 pm
ONT
- CUN
1 stop12h 28m
Volaris
Wed 6/1712:49 pm
CUN
- ONT
1 stop12h 16m
Volaris
Deal found 5/20![Volaris logo]()
$296
This FlightHub deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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 6/209:36 pm
ONT
- CUN
1 stop12h 28m
Volaris
Tue 6/2312:49 pm
CUN
- ONT
1 stop12h 16m
Volaris
Deal found 5/20![Volaris logo]()
$302
This FlightHub deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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 6/2912:55 am
ONT
- CUN
1 stop12h 33m
Volaris
Wed 7/14:32 pm
CUN
- ONT
1 stop8h 33m
Volaris
Deal found 5/19![Volaris logo]()
$297
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 May 21, 2026.
Search for one-way flight options from Ontario to Cancún. Find affordable one-way fares based on user searches. Data last updated May 21, 2026.
This FlightHub deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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 6/299:36 pm
ONT
- CUN
1 stop12h 28m
Volaris
Deal found 5/20![Volaris logo]()
$113
This FlightHub deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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
Deal found 5/20![Volaris logo]()
$114
This FlightHub deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/712:55 am
ONT
- CUN
1 stop12h 33m
Volaris
Deal found 5/18![Volaris logo]()
$115
This FlightHub deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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 6/139:36 pm
ONT
- CUN
1 stop12h 28m
Volaris
Deal found 5/19![Volaris logo]()
$116
This FlightHub deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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 6/69:36 pm
ONT
- CUN
1 stop10h 19m
Volaris
Deal found 5/20![Volaris logo]()
$117
This FlightHub deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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 6/279:36 pm
ONT
- CUN
1 stop10h 19m
Volaris
Deal found 5/20![Volaris logo]()
$118
This FlightHub deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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 7/69:36 pm
ONT
- CUN
1 stop10h 19m
Volaris
Deal found 5/19![Volaris logo]()
$120
This FlightHub deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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 6/112:55 am
ONT
- CUN
1 stop12h 33m
Volaris
Deal found 5/20![Volaris logo]()
$122
This FlightHub deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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 6/49:36 pm
ONT
- CUN
1 stop12h 28m
Volaris
Deal found 5/20![Volaris logo]()
$123
This Justfly.com deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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.
Fri 6/199:36 pm
ONT
- CUN
1 stop10h 19m
Volaris
Deal found 5/20![Volaris logo]()
$124
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 May 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $296 (Justfly.com) |
One-way from | $113 (FlightHub) |
Popular in | May |
Cheapest in | March |
Average price | $569 |
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 May 21, 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
Thu 9/24
6:00 am-2:37 pm
1 stop6h 37m
Cancun
Mon 9/28
7:51 am-8:52 pm
2 stops15h 01m
$521
OntarioCancún
ONT - CUN
ONTCUN
Ontario
Sun 9/20
6:00 am-2:37 pm
1 stop6h 37m
Cancun
Wed 9/23
2:49 pm-10:03 am
2 stops21h 14m
$521
OntarioCancún
ONT - CUN
ONTCUN
Ontario
Sun 11/1
7:00 am-9:15 pm
1 stop11h 15m
Cancun
Thu 11/5
3:00 pm-10:14 pm
1 stop10h 14m
$586
Quickest round-trip
OntarioCancún
ONT - CUN
ONTCUN
Ontario
Sat 10/24
5:20 am-4:05 pm
2 stops8h 45m
Cancun
Sat 10/31
1:45 pm-8:40 pm
2 stops8h 55m
$631
OntarioCancún
ONT - CUN
ONTCUN
Ontario
Fri 8/14
5:45 pm-12:50 pm
2 stops17h 05m
Cancun
Sat 8/22
10:10 am-8:50 pm
2 stops12h 40m
$631
OntarioCancún
ONT - CUN
ONTCUN
Ontario
Fri 10/30
6:02 am-7:18 pm
1 stop11h 16m
Cancun
Tue 11/3
6:30 am-9:21 pm
1 stop17h 51m
$636
OntarioCancún
ONT - CUN
ONTCUN
Ontario
Thu 9/24
1:49 pm-10:06 am
2 stops18h 17m
Cancun
Sat 10/3
7:51 am-8:52 pm
2 stops15h 01m
$641
OntarioCancún
ONT - CUN
ONTCUN
Ontario
Sat 7/18
1:50 pm-2:37 pm
2 stops22h 47m
Cancun
Fri 7/24
7:51 am-9:55 pm
1 stop16h 04m
$641
OntarioCancún
ONT - CUN
ONTCUN
Ontario
Wed 9/23
5:00 am-2:40 pm
1 stop7h 40m
Cancun
Thu 10/15
5:22 pm-12:41 pm
2 stops21h 19m
$641
OntarioCancún
ONT - CUN
ONTCUN
Ontario
Tue 7/21
1:50 pm-1:10 pm
2 stops21h 20m
Cancun
Tue 7/28
7:51 am-10:37 pm
2 stops16h 46m
$641
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 May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 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
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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 May is currently the most expensive (average of $569). 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 May 21, 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.
Comfort
8.0
Overall
7.9
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Overall
7.9
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Overall
7.9
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Overall
7.9
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Overall
7.9
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Overall
7.9
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
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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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 May 21, 2026.
Complete your trip
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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 May 21, 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 May 21, 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 May 21, 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$383 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$349 | Average$413 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$376 | Average$504 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$381 | Average$610 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$467 | Average$591 | FlexibilityNo cancel fee | On-time71% |