$97+ 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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CUN
Feb 20 — Feb 271
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
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 January 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 January 21, 2026.
This FlightHub deal was found by Cheapflights users on 1/20. 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 8/299:13 pm
ONT
- CUN
1 stop12h 55m
Volaris
Sat 9/510:53 am
CUN
- ONT
1 stop10h 30m
Volaris
Deal found 1/20![Volaris logo]()
$278
This FlightHub deal was found by Cheapflights users on 1/21. 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 7/1312:59 am
ONT
- CUN
1 stop11h 07m
Volaris
Sat 7/184:32 pm
CUN
- ONT
1 stop8h 33m
Volaris
Deal found 1/21![Volaris logo]()
$280
This FlightHub deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/19:13 pm
ONT
- CUN
1 stop12h 55m
Volaris
Wed 7/810:53 am
CUN
- ONT
1 stop10h 30m
Volaris
Deal found 1/21![Volaris logo]()
$283
This FlightHub deal was found by Cheapflights users on 1/21. 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 3/1411:02 pm
ONT
- CUN
1 stop11h 03m
Volaris
Fri 3/201:02 pm
CUN
- ONT
1 stop9h 09m
Volaris
Deal found 1/21![Volaris logo]()
$284
This FlightHub deal was found by Cheapflights users on 1/21. 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 3/1511:02 pm
ONT
- CUN
1 stop8h 46m
Volaris
Thu 3/194:18 pm
CUN
- ONT
1 stop8h 34m
Volaris
Deal found 1/21![Volaris logo]()
$287
This FlightHub deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/312:59 am
ONT
- CUN
1 stop11h 07m
Volaris
Mon 6/810:53 am
CUN
- ONT
1 stop10h 30m
Volaris
Deal found 1/21![Volaris logo]()
$288
This FlightHub deal was found by Cheapflights users on 1/20. 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.
Wed 7/19:13 pm
ONT
- CUN
1 stop12h 55m
Volaris
Mon 7/64:32 pm
CUN
- ONT
1 stop8h 33m
Volaris
Deal found 1/20![Volaris logo]()
$289
This FlightHub deal was found by Cheapflights users on 1/20. 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.
Fri 2/2712:42 am
ONT
- CUN
1 stop8h 23m
Volaris
Wed 3/410:39 am
CUN
- ONT
1 stop12h 32m
Volaris
Deal found 1/20![Volaris logo]()
$291
This FlightHub deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1112:55 am
ONT
- CUN
1 stop12h 33m
Volaris
Sat 7/184:32 pm
CUN
- ONT
1 stop8h 33m
Volaris
Deal found 1/21![Volaris logo]()
$293
This FlightHub deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/2612:59 am
ONT
- CUN
1 stop7h 32m
Volaris
Sat 7/41:00 pm
CUN
- ONT
1 stop8h 23m
Volaris
Deal found 1/21![Volaris logo]()
$294
This FlightHub deal was found by Cheapflights users on 1/20. 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 2/112:42 am
ONT
- CUN
1 stop8h 23m
Volaris
Wed 2/1110:39 am
CUN
- ONT
1 stop12h 32m
Volaris
Deal found 1/20![Volaris logo]()
$298
This FlightHub deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1111:59 pm
ONT
- CUN
1 stop8h 26m
Volaris
Sun 3/1510:39 am
CUN
- ONT
1 stop11h 32m
Volaris
Deal found 1/21![Volaris logo]()
$299
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 January 21, 2026.
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $280 (FlightHub) |
One-way from | $97 (FlightHub) |
Popular in | May |
Cheapest in | January |
Average price | $446 |
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 January 21, 2026.
Use the filters below to find and compare flights from Ontario to Cancún that are best for you.
Fly from
Ontario
Fly to
Cancún
Route
Depart
Return
Price
OntarioCancún
ONT - CUN
ONTCUN
Ontario
Mon 2/2
11:02 pm-12:05 pm
1 stop10h 03m
Cancun
Fri 2/6
1:02 pm-10:52 pm
1 stop12h 50m
$315
OntarioCancún
ONT - CUN
ONTCUN
Ontario
Mon 2/9
11:02 pm-9:48 am
1 stop7h 46m
Cancun
Fri 2/13
4:18 pm-10:52 pm
1 stop9h 34m
$317
OntarioCancún
ONT - CUN
ONTCUN
Ontario
Sat 2/14
11:02 pm-3:28 pm
1 stop13h 26m
Cancun
Mon 2/16
10:39 am-8:11 pm
1 stop12h 32m
$341
OntarioCancún
ONT - CUN
ONTCUN
Ontario
Mon 2/16
11:02 pm-3:28 pm
1 stop13h 26m
Cancun
Sat 2/21
4:18 pm-10:52 pm
1 stop9h 34m
$345
OntarioCancún
ONT - CUN
ONTCUN
Ontario
Sat 2/14
8:21 am-10:38 am
1 stop23h 17m
Cancun
Tue 2/17
2:00 pm-1:11 pm
2 stops26h 11m
$416
OntarioCancún
ONT - CUN
ONTCUN
Ontario
Sun 4/19
10:15 pm-8:54 am
1 stop8h 39m
Cancun
Fri 4/24
10:55 am-6:28 pm
1 stop9h 33m
$440
OntarioCancún
ONT - CUN
ONTCUN
Ontario
Mon 4/20
10:15 pm-8:54 am
1 stop8h 39m
Cancun
Fri 4/24
12:25 pm-11:44 pm
2 stops13h 19m
$440
OntarioCancún
ONT - CUN
ONTCUN
Ontario
Tue 4/21
10:15 pm-9:54 am
1 stop9h 39m
Cancun
Tue 4/28
10:55 am-8:58 pm
1 stop12h 03m
$440
OntarioCancún
ONT - CUN
ONTCUN
Ontario
Sat 4/18
10:15 pm-8:54 am
1 stop8h 39m
Cancun
Fri 4/24
1:55 pm-8:58 pm
1 stop9h 03m
$440
OntarioCancún
ONT - CUN
ONTCUN
Ontario
Sat 4/18
10:15 pm-1:59 pm
1 stop13h 44m
Cancun
Tue 4/28
10:55 am-8:58 pm
1 stop12h 03m
$440
Showing 1-10 of 23 results
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 January.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy2 stars | 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 |
- Most accurate provider: When it comes to deals on Ontario-Cancún flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Ontario-Cancún flight deals on Cheapflights vs. CheapOair >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 CheapOair the most. CheapOair 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.
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 January 16, 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, September is the cheapest month in which you can book a flight from Ontario to Cancún (average of $162). Flying from Ontario to Cancún in June is currently the most expensive (average of $281). 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.
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 57% 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 19m.
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 17m.
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 January 21, 2026.
Read through reviews of airlines operating flights from Ontario to Cancún, such as Southwest, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Overall
8.0
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Overall
8.0
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Overall
8.0
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Overall
8.0
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Overall
8.0
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Overall
8.0
Comfort
8.0
Crew
8.6
Food
7.0
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
Holbox
Punta Sam
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Ontario to Cancún
See prices for flight routes from nearby airports that may be better suited for you.
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 January 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$243 | Average$397 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$312 | Average$402 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$377 | Average$514 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$381 | Average$621 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$467 | Average$560 | FlexibilityNo cancel fee | On-time71% |