$117+ 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CUN
Apr 27 — May 41
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 March 28, 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 March 28, 2026.
This Expedia deal was found by Cheapflights users on 3/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/78:06 pm
ONT
- CUN
1 stop16h 23m
Frontier
Mon 5/113:39 pm
CUN
- ONT
1 stop20h 26m
Frontier
Deal found 3/26![Frontier logo]()
$261
This Booking.com deal was found by Cheapflights users on 3/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/158:06 pm
ONT
- CUN
1 stop16h 23m
Frontier
Tue 5/193:39 pm
CUN
- ONT
1 stop20h 26m
Frontier
Deal found 3/27![Frontier logo]()
$262
This Booking.com deal was found by Cheapflights users on 3/25. 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 5/178:06 pm
ONT
- CUN
1 stop16h 23m
Frontier
Sat 5/233:39 pm
CUN
- ONT
1 stop10h 10m
Frontier
Deal found 3/25![Frontier logo]()
$264
This Booking.com deal was found by Cheapflights users on 3/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:00 am
ONT
- CUN
1 stop28h 04m
Frontier
Sat 5/161:14 pm
CUN
- ONT
1 stop20h 21m
Frontier
Deal found 3/26![Frontier logo]()
$266
This Orbitz deal was found by Cheapflights users on 3/25. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:26 am
ONT
- CUN
1 stop28h 03m
Frontier
Fri 5/81:14 pm
CUN
- ONT
1 stop21h 06m
Frontier
Deal found 3/25![Frontier logo]()
$267
This Flightnetwork deal was found by Cheapflights users on 3/24. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/108:06 pm
ONT
- CUN
1 stop16h 23m
Frontier
Sun 5/173:39 pm
CUN
- ONT
1 stop20h 26m
Frontier
Deal found 3/24![Frontier logo]()
$268
This Booking.com deal was found by Cheapflights users on 3/25. 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 5/178:06 pm
ONT
- CUN
1 stop16h 23m
Frontier
Wed 5/201:14 pm
CUN
- ONT
1 stop20h 21m
Frontier
Deal found 3/25![Frontier logo]()
$270
This Justfly.com deal was found by Cheapflights users on 3/23. 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.
Thu 5/78:06 pm
ONT
- CUN
1 stop16h 23m
Frontier
Tue 5/123:39 pm
CUN
- ONT
1 stop10h 10m
Frontier
Deal found 3/23![Frontier logo]()
$271
This Frontier deal was found by Cheapflights users on 3/26. 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.
Sat 4/117:40 pm
ONT
- CUN
1 stop18h 35m
Frontier
Wed 4/153:54 pm
CUN
- ONT
1 stop17h 37m
Frontier
Deal found 3/26![Frontier logo]()
$273
This Expedia deal was found by Cheapflights users on 3/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1512:59 am
ONT
- CUN
1 stop11h 40m
Frontier
Sat 5/212:01 pm
CUN
- ONT
1 stop29h 33m
Frontier
Deal found 3/25![Frontier logo]()
$274
This Booking.com deal was found by Cheapflights users on 3/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/18:26 am
ONT
- CUN
1 stop23h 04m
Frontier
Thu 5/73:39 pm
CUN
- ONT
1 stop10h 10m
Frontier
Deal found 3/27![Frontier logo]()
$275
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 March 28, 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 March 28, 2026.
This CheapOair deal was found by Cheapflights users on 3/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/309:36 pm
ONT
- CUN
1 stop12h 18m
Volaris
Sat 6/610:40 am
CUN
- ONT
1 stop11h 06m
Volaris
Deal found 3/23![Volaris logo]()
$360
This Delta deal was found by Cheapflights users on 3/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2910:00 pm
ONT
- CUN
2 stops13h 00m
Delta
Wed 6/32:00 pm
CUN
- ONT
2 stops11h 34m
Delta
Deal found 3/26![Delta logo]()
$443
This United Airlines deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:13 pm
ONT
- CUN
2 stops12h 53m
United Airlines
Tue 9/11:12 pm
CUN
- ONT
1 stop10h 47m
United Airlines
Deal found 3/28![United Airlines logo]()
$487
This Southwest deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2311:55 pm
ONT
- CUN
1 stop11h 15m
Southwest
Mon 4/273:15 pm
CUN
- ONT
2 stops9h 50m
Southwest
Deal found 3/28![Southwest logo]()
$572
This Delta deal was found by Cheapflights users on 3/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/255:59 pm
ONT
- CUN
2 stops13h 56m
Delta
Sat 5/29:12 am
CUN
- ONT
2 stops15h 31m
Delta
Deal found 3/26![Delta logo]()
$443
This United Airlines deal was found by Cheapflights users on 3/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:13 pm
ONT
- CUN
2 stops14h 49m
United Airlines
Fri 8/282:49 pm
CUN
- ONT
1 stop9h 10m
United Airlines
Deal found 3/23![United Airlines logo]()
$487
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Mon 5/116:59 pm
ONT
- CUN
1 stop9h 49m
United Airlines
Fri 5/1512:55 pm
CUN
- ONT
1 stop11h 40m
United Airlines
Deal found 3/26![United Airlines logo]()
$519
This United Airlines deal was found by Cheapflights users on 3/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:00 am
ONT
- CUN
1 stop8h 12m
United Airlines
Mon 5/1112:11 pm
CUN
- ONT
1 stop12h 24m
United Airlines
Deal found 3/23![United Airlines logo]()
$546
This United Airlines deal was found by Cheapflights users on 3/26. 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 4/126:05 am
ONT
- CUN
1 stop6h 13m
United Airlines
Tue 4/213:24 pm
CUN
- ONT
1 stop8h 26m
United Airlines
Deal found 3/26![United Airlines logo]()
$559
This United Airlines deal was found by Cheapflights users on 3/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/105:00 am
ONT
- CUN
1 stop7h 40m
United Airlines
Sun 9/131:43 pm
CUN
- ONT
1 stop10h 16m
United Airlines
Deal found 3/24![United Airlines logo]()
$597
This United Airlines deal was found by Cheapflights users on 3/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/26:00 am
ONT
- CUN
1 stop8h 12m
United Airlines
Fri 8/72:49 pm
CUN
- ONT
1 stop9h 06m
United Airlines
Deal found 3/25![United Airlines logo]()
$597
This United Airlines deal was found by Cheapflights users on 3/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/231:50 pm
ONT
- CUN
2 stops22h 28m
United Airlines
Mon 7/275:35 am
CUN
- ONT
2 stops19h 02m
United Airlines
Deal found 3/25![United Airlines logo]()
$602
Last-minute flights from Ontario to CancúnDiscover last-minute flight deals from Ontario to Cancún. Data last updated March 28, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Cancún. Data last updated March 28, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/109:36 pm
ONT
- CUN
1 stop12h 18m
Multiple Airlines
Wed 4/153:54 pm
CUN
- ONT
1 stop17h 37m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$295
This Booking.com deal was found by Cheapflights users on 3/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/106:20 am
ONT
- CUN
1 stop27h 04m
Frontier
Thu 4/163:54 pm
CUN
- ONT
1 stop17h 37m
Frontier
Deal found 3/27![Frontier logo]()
$296
This Frontier deal was found by Cheapflights users on 3/26. 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.
Sat 4/117:40 pm
ONT
- CUN
1 stop18h 35m
Frontier
Wed 4/153:54 pm
CUN
- ONT
1 stop17h 37m
Frontier
Deal found 3/26![Frontier logo]()
$273
This Mytrip deal was found by Cheapflights users on 3/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/119:36 pm
ONT
- CUN
1 stop10h 19m
Multiple Airlines
Sat 4/183:54 pm
CUN
- ONT
1 stop10h 01m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$283
This FlightHub deal was found by Cheapflights users on 3/27. 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.
Sat 4/117:40 pm
ONT
- CUN
1 stop18h 35m
Frontier
Sat 4/1812:31 pm
CUN
- ONT
1 stop12h 06m
Frontier
Deal found 3/27![Frontier logo]()
$288
This Frontier deal was found by Cheapflights users on 3/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1312:59 am
ONT
- CUN
1 stop11h 40m
Frontier
Thu 4/1612:04 pm
CUN
- ONT
1 stop13h 51m
Frontier
Deal found 3/23![Frontier logo]()
$261
This CheapOair deal was found by Cheapflights users on 3/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/139:36 pm
ONT
- CUN
1 stop10h 19m
Multiple Airlines
Sat 4/1812:31 pm
CUN
- ONT
1 stop12h 06m
Multiple Airlines
Deal found 3/26![Multiple Airlines logo]()
$290
This Frontier deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/139:02 pm
ONT
- CUN
2 stops15h 37m
Frontier
Sat 4/1812:31 pm
CUN
- ONT
1 stop12h 06m
Frontier
Deal found 3/28![Frontier logo]()
$298
This Expedia deal was found by Cheapflights users on 3/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1512:59 am
ONT
- CUN
1 stop11h 40m
Frontier
Sat 5/212:01 pm
CUN
- ONT
1 stop29h 33m
Frontier
Deal found 3/25![Frontier logo]()
$274
This Frontier deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1612:59 am
ONT
- CUN
1 stop11h 40m
Frontier
Sat 4/2512:01 pm
CUN
- ONT
1 stop12h 36m
Frontier
Deal found 3/28![Frontier logo]()
$271
This Priceline deal was found by Cheapflights users on 3/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:00 am
ONT
- CUN
1 stop26h 01m
Frontier
Sat 4/2512:01 pm
CUN
- ONT
1 stop12h 36m
Frontier
Deal found 3/27![Frontier logo]()
$278
This Priceline deal was found by Cheapflights users on 3/25. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/258:00 am
ONT
- CUN
1 stop26h 01m
Frontier
Sat 5/212:01 pm
CUN
- ONT
1 stop29h 33m
Frontier
Deal found 3/25![Frontier logo]()
$284
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 March 28, 2026.
Search for one-way flight options from Ontario to Cancún. Find affordable one-way fares based on user searches. Data last updated March 28, 2026.
This FlightHub deal was found by Cheapflights users on 3/24. 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.
Tue 4/2112:55 am
ONT
- CUN
1 stop8h 59m
Volaris
Deal found 3/24![Volaris logo]()
$117
This Jetabroad deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2012:55 am
ONT
- CUN
1 stop8h 59m
Volaris
Deal found 3/28![Volaris logo]()
$118
This Frontier deal was found by Cheapflights users on 3/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1512:59 am
ONT
- CUN
1 stop11h 40m
Frontier
Deal found 3/25![Frontier logo]()
$121
This Booking.com deal was found by Cheapflights users on 3/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/108:06 pm
ONT
- CUN
1 stop16h 23m
Frontier
Deal found 3/27![Frontier logo]()
$122
This Jetabroad deal was found by Cheapflights users on 3/27. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2612:55 am
ONT
- CUN
1 stop10h 46m
Volaris
Deal found 3/27![Volaris logo]()
$124
This Trip.com deal was found by Cheapflights users on 3/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/89:36 pm
ONT
- CUN
1 stop10h 19m
Volaris
Deal found 3/25![Volaris logo]()
$129
This Jetabroad deal was found by Cheapflights users on 3/25. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/149:36 pm
ONT
- CUN
1 stop10h 19m
Volaris
Deal found 3/25![Volaris logo]()
$130
This Booking.com deal was found by Cheapflights users on 3/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/18:26 am
ONT
- CUN
1 stop23h 04m
Frontier
Deal found 3/26![Frontier logo]()
$133
This Trip.com deal was found by Cheapflights users on 3/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/29:36 pm
ONT
- CUN
1 stop12h 18m
Volaris
Deal found 3/25![Volaris logo]()
$136
This Mytrip deal was found by Cheapflights users on 3/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/79:36 pm
ONT
- CUN
1 stop12h 18m
Volaris
Deal found 3/24![Volaris logo]()
$137
This Mytrip deal was found by Cheapflights users on 3/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/109:36 pm
ONT
- CUN
1 stop10h 19m
Volaris
Deal found 3/24![Volaris logo]()
$138
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 March 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $261 (Frontier) |
One-way from | $117 (FlightHub) |
Popular in | May |
Cheapest in | March |
Average price | $420 |
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 March 28, 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
Sat 5/30
9:36 pm-11:54 am
1 stop12h 18m
Cancun
Sat 6/6
10:40 am-7:46 pm
1 stop11h 06m
$360
OntarioCancún
ONT - CUN
ONTCUN
Ontario
Fri 5/29
10:00 pm-1:00 pm
2 stops13h 00m
Cancun
Wed 6/3
2:00 pm-11:34 pm
2 stops11h 34m
$443
OntarioCancún
ONT - CUN
ONTCUN
Ontario
Sat 4/25
5:59 pm-9:55 am
2 stops13h 56m
Cancun
Sat 5/2
9:12 am-10:43 pm
2 stops15h 31m
$443
OntarioCancún
ONT - CUN
ONTCUN
Ontario
Tue 8/25
7:13 pm-10:06 am
2 stops12h 53m
Cancun
Tue 9/1
1:12 pm-9:59 pm
1 stop10h 47m
$487
OntarioCancún
ONT - CUN
ONTCUN
Ontario
Mon 8/24
7:13 pm-12:02 pm
2 stops14h 49m
Cancun
Fri 8/28
2:49 pm-9:59 pm
1 stop9h 10m
$487
OntarioCancún
ONT - CUN
ONTCUN
Ontario
Mon 5/11
6:59 pm-6:48 am
1 stop9h 49m
Cancun
Fri 5/15
12:55 pm-10:35 pm
1 stop11h 40m
$519
OntarioCancún
ONT - CUN
ONTCUN
Ontario
Wed 5/6
6:00 am-4:12 pm
1 stop8h 12m
Cancun
Mon 5/11
12:11 pm-10:35 pm
1 stop12h 24m
$546
Quickest round-trip
OntarioCancún
ONT - CUN
ONTCUN
Ontario
Sun 4/12
6:05 am-2:18 pm
1 stop6h 13m
Cancun
Tue 4/21
3:24 pm-9:50 pm
1 stop8h 26m
$559
OntarioCancún
ONT - CUN
ONTCUN
Ontario
Thu 4/23
11:55 pm-1:10 pm
1 stop11h 15m
Cancun
Mon 4/27
3:15 pm-11:05 pm
2 stops9h 50m
$572
OntarioCancún
ONT - CUN
ONTCUN
Ontario
Thu 9/10
5:00 am-2:40 pm
1 stop7h 40m
Cancun
Sun 9/13
1:43 pm-9:59 pm
1 stop10h 16m
$597
Showing 1-10 of 24 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 March.
| 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?
Use this chart to determine the optimal time to book a round-trip flight from Ontario to Cancún. Price data was last updated on March 13, 2026.
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 84 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 $149). Flying from Ontario to Cancún in November is currently the most expensive (average of $276). 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.
Houston (IAH) – chosen by Cheapflights users on 33% 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 March 28, 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.
Food
7.0
Overall
8.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Overall
8.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Overall
8.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Overall
8.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Overall
8.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Overall
8.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Boarding
8.1
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 March 28, 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 March 28, 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 March 28, 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 March 28, 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$376 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$349 | Average$417 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$376 | Average$503 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$381 | Average$610 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$467 | Average$581 | FlexibilityNo cancel fee | On-time71% |