$153+ Cheap flights from Ontario (ONT) to Cancún (CUN)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/16. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CUN
Oct 18 — Oct 251
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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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Best
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One-way
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 September 18, 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 September 18, 2026.
This CheapOair deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3012:05 am -
1 stop12h 26m
Tue 12/151:00 pm -
1 stop12h 15m
Deal found 9/13![Volaris logo]()
$402
This Kissandfly.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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.
Mon 9/2812:55 am -
1 stop9h 09m
Fri 10/212:49 pm -
1 stop8h 57m
Deal found 9/13![Volaris logo]()
$415
This CheapOair deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2712:55 am -
1 stop9h 09m
Sun 11/12:58 pm -
1 stop11h 02m
Deal found 9/13![Volaris logo]()
$423
This CheapOair deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/612:05 am -
1 stop12h 26m
Sun 12/134:20 pm -
1 stop8h 55m
Deal found 9/14![Volaris logo]()
$425
This CheapOair deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/29:36 pm -
1 stop10h 19m
Fri 10/1610:40 am -
1 stop11h 06m
Deal found 9/14![Volaris logo]()
$428
This Mytrip deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/512:41 am -
1 stop10h 25m
Tue 11/1010:20 am -
1 stop9h 29m
Deal found 9/14![Volaris logo]()
$429
This Kissandfly.com deal was found by Cheapflights users on 9/15. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/289:36 pm -
1 stop12h 28m
Thu 10/110:40 am -
1 stop11h 06m
Deal found 9/15![Volaris logo]()
$431
This CheapOair deal was found by Cheapflights users on 9/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1712:41 am -
1 stop10h 25m
Tue 11/244:20 pm -
1 stop8h 55m
Deal found 9/15![Volaris logo]()
$432
This Trip.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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.
Fri 10/168:03 pm -
1 stop10h 42m
Thu 10/2210:40 am -
1 stop11h 06m
Deal found 9/14![Multiple Airlines logo]()
$433
This Kissandfly.com deal was found by Cheapflights users on 9/15. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2312:55 am -
1 stop12h 33m
Fri 10/3012:49 pm -
1 stop12h 16m
Deal found 9/15![Volaris logo]()
$434
This CheapOair deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:33 pm -
1 stop13h 12m
Sat 10/3110:40 am -
1 stop11h 06m
Deal found 9/14![Multiple Airlines logo]()
$435
This CheapOair deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2112:55 am -
1 stop12h 33m
Fri 9/2512:49 pm -
1 stop12h 16m
Deal found 9/14![Volaris logo]()
$436
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 September 18, 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 September 18, 2026.
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/277:05 am -
1 stop10h 50m
Wed 12/211:21 am -
2 stops15h 37m
Deal found 9/15![Delta logo]()
$570
This Volaris deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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.
Sat 11/711:47 pm -
1 stop7h 37m
Sat 11/214:20 pm -
1 stop8h 55m
Deal found 9/13![Volaris logo]()
$580
This Southwest deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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.
Tue 2/236:10 am -
2 stops10h 35m
Wed 3/39:40 am -
2 stops13h 05m
Deal found 9/13![Southwest logo]()
$593
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Fri 1/86:00 am -
1 stop6h 24m
Tue 1/121:45 pm -
1 stop9h 41m
Deal found 9/16![United Airlines logo]()
$674
This Southwest deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 2/2510:10 pm -
2 stops12h 45m
Mon 3/11:50 pm -
2 stops11h 00m
Deal found 9/13![Southwest logo]()
$593
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” 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 12/15:45 am -
1 stop6h 39m
Fri 12/184:47 pm -
1 stop8h 24m
Deal found 9/17![United Airlines logo]()
$689
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/127:05 am -
1 stop11h 03m
Sat 12/193:40 pm -
1 stop11h 19m
Deal found 9/15![Delta logo]()
$704
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” 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 11/271:35 pm -
2 stops18h 50m
Wed 12/24:47 pm -
2 stops19h 51m
Deal found 9/17![United Airlines logo]()
$689
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 10/136:00 am -
1 stop11h 19m
Thu 10/1512:57 pm -
1 stop11h 54m
Deal found 9/13![United Airlines logo]()
$708
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 12/15:45 am -
1 stop6h 52m
Sat 12/54:47 pm -
1 stop8h 12m
Deal found 9/13![United Airlines logo]()
$708
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/31:35 pm -
2 stops23h 02m
Tue 11/104:47 pm -
2 stops22h 46m
Deal found 9/13![United Airlines logo]()
$713
Last-minute flights from Ontario to CancúnDiscover last-minute flight deals from Ontario to Cancún. Data last updated September 18, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Cancún. Data last updated September 18, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2112:55 am -
1 stop12h 33m
Fri 9/2512:49 pm -
1 stop12h 16m
Deal found 9/14![Volaris logo]()
$436
This Kissandfly.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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.
Mon 9/2812:55 am -
1 stop9h 09m
Fri 10/212:49 pm -
1 stop8h 57m
Deal found 9/13![Volaris logo]()
$415
This Kissandfly.com deal was found by Cheapflights users on 9/15. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/289:36 pm -
1 stop12h 28m
Thu 10/110:40 am -
1 stop11h 06m
Deal found 9/15![Volaris logo]()
$431
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/289:36 pm -
1 stop12h 28m
Fri 10/910:40 am -
1 stop11h 06m
Deal found 9/15![Volaris logo]()
$443
This CheapOair deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:36 pm -
1 stop10h 19m
Thu 10/810:40 am -
1 stop11h 06m
Deal found 9/13![Volaris logo]()
$444
This CheapOair deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/29:36 pm -
1 stop10h 19m
Fri 10/1610:40 am -
1 stop11h 06m
Deal found 9/14![Volaris logo]()
$428
This CheapOair deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/49:36 pm -
1 stop10h 19m
Fri 10/912:49 pm -
1 stop12h 16m
Deal found 9/13![Volaris logo]()
$440
This Trip.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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.
Fri 10/168:03 pm -
1 stop10h 42m
Thu 10/2210:40 am -
1 stop11h 06m
Deal found 9/14![Multiple Airlines logo]()
$433
This Trip.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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.
Sat 10/245:33 pm -
1 stop13h 12m
Fri 10/3012:49 pm -
1 stop8h 57m
Deal found 9/14![Multiple Airlines logo]()
$434
This CheapOair deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:33 pm -
1 stop13h 12m
Sat 10/3110:40 am -
1 stop11h 06m
Deal found 9/14![Multiple Airlines logo]()
$435
This CheapOair deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2712:55 am -
1 stop9h 09m
Sun 11/12:58 pm -
1 stop11h 02m
Deal found 9/13![Volaris logo]()
$423
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 September 18, 2026.
Search for one-way flight options from Ontario to Cancún. Find affordable one-way fares based on user searches. Data last updated September 18, 2026.
This Super.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates ” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1612:41 am -
1 stop10h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Volaris logo]()
$153
This Super.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/112:05 am -
1 stop12h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Volaris logo]()
$154
This Super.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/512:05 am -
1 stop12h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Volaris logo]()
$155
This Super.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/2212:05 am -
1 stop12h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Volaris logo]()
$156
This CheapOair deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/3012:05 am -
1 stop12h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Volaris logo]()
$157
This FlightHub deal was found by Cheapflights users on 9/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/712:41 am -
1 stop10h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Volaris logo]()
$158
This FlightHub deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” 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 2/2312:05 am -
1 stop12h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Volaris logo]()
$159
This CheapOair deal was found by Cheapflights users on 9/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/2112:05 am -
1 stop12h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Volaris logo]()
$161
This CheapOair deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/2012:05 am -
1 stop12h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Volaris logo]()
$162
This CheapOair deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/1212:05 am -
1 stop12h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Volaris logo]()
$163
This FlightHub deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” 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 2/112:05 am -
1 stop12h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Volaris logo]()
$164
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 September 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $402 (CheapOair) |
One-way from | $153 (Super.com) |
Popular in | May |
Cheapest in | January |
Average price | $517 |
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 7,457,451 searches. Data last updated September 18, 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 Ontario - CUN Cancun
ONTCUN
Ontario
Mon 12/14
5:55 am-7:45 pm
2 stops10h 50m
Cancun
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$285
Quickest round-trip
OntarioCancún
ONT Ontario - CUN Cancun
ONTCUN
Ontario
Wed 10/28
6:00 am-2:24 pm
1 stop6h 24m
Cancun
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$321
OntarioCancún
ONT Ontario - CUN Cancun
ONTCUN
Ontario
Sun 1/24
5:00 am-4:00 pm
1 stop8h 00m
Cancun
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$321
OntarioCancún
ONT Ontario - CUN Cancun
ONTCUN
Ontario
Mon 2/1
6:53 pm-3:24 pm
2 stops17h 31m
Cancun
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$321
OntarioCancún
ONT Ontario - CUN Cancun
ONTCUN
Ontario
Wed 1/27
6:00 am-5:08 pm
1 stop8h 08m
Cancun
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$321
OntarioCancún
ONT Ontario - CUN Cancun
ONTCUN
Ontario
Mon 10/19
6:00 am-2:37 pm
1 stop6h 37m
Cancun
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$321
OntarioCancún
ONT Ontario - CUN Cancun
ONTCUN
Ontario
Tue 12/8
11:20 am-12:54 pm
2 stops22h 34m
Cancun
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$321
OntarioCancún
ONT Ontario - CUN Cancun
ONTCUN
Ontario
Thu 12/10
2:07 am-3:31 pm
1 stop10h 24m
Cancun
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$333
OntarioCancún
ONT Ontario - CUN Cancun
ONTCUN
Ontario
Mon 12/14
10:32 pm-6:07 pm
3 stops16h 35m
Cancun
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$343
OntarioCancún
ONT Ontario - CUN Cancun
ONTCUN
Ontario
Fri 10/30
1:35 pm-6:13 am
1 stop14h 38m
Cancun
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$345
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | 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 |
- 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 10 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, January is the cheapest month in which you can book a flight from Ontario to Cancún (average of $401). 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?
Airfare is below average for this route at the moment.
Ontario to Cancún flights typically cost between $435 and $613 in November.The cheapest round-trip price found within the last 5 days was $402 on Volaris (Nov 30-Dec 15).
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 50% 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.
Phoenix (PHX) is the most affordable 1-stop option, with an average round-trip price of $475.
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 Phoenix (PHX) have the shortest average one-way travel time for 1-stop routes: 7h 05m.
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 Phoenix (PHX) offer the fastest connection on this route, with an average layover time of 1h 48m.
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 September 18, 2026.
Read through reviews of airlines operating flights from Ontario to Cancún, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Overall
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Overall
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Overall
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Overall
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Overall
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Overall
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Related info for your journey
Find useful and relevant information for your journey from Ontario to 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
Browse thousands of different options on Cheapflights for your next trip
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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 September 18, 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 September 18, 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 September 18, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Ontario to Cancún
Discover the top 5 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 7,457,451 searches. Data last updated September 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$191 | Average$505 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$312 | Average$433 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$391 | Average$571 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$469 | Average$628 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$506 | Average$621 | FlexibilityNo cancel fee | On-time63% |