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Cancún

$95+ 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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CUN
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Ontario to Cancún

Cheapest flights from Ontario to Cancún
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 29, 2026.

This Mytrip deal was found by Cheapflights users on 1/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2411:02 pm
ONT
-
CUN
1 stop13h 26m
Multiple Airlines
Wed 3/42:27 pm
CUN
-
ONT
1 stop10h 07m
Multiple Airlines
Deal found 1/27$279
This Mytrip deal was found by Cheapflights users on 1/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2611:02 pm
ONT
-
CUN
1 stop7h 46m
Multiple Airlines
Wed 3/42:27 pm
CUN
-
ONT
1 stop10h 07m
Multiple Airlines
Deal found 1/28$283
This FlightHub deal was found by Cheapflights users on 1/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/149:13 pm
ONT
-
CUN
1 stop10h 35m
Volaris
Tue 7/211:00 pm
CUN
-
ONT
1 stop8h 23m
Volaris
Deal found 1/28$284
This FlightHub deal was found by Cheapflights users on 1/28. 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 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 1/28$292
This FlightHub deal was found by Cheapflights users on 1/29. 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 2/2311:02 pm
ONT
-
CUN
1 stop13h 26m
Volaris
Thu 2/2610:39 am
CUN
-
ONT
1 stop12h 32m
Volaris
Deal found 1/29$293
This FlightHub deal was found by Cheapflights users on 1/27. 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.
Wed 2/1811:02 pm
ONT
-
CUN
1 stop13h 26m
Volaris
Wed 2/2510:39 am
CUN
-
ONT
1 stop12h 32m
Volaris
Deal found 1/27$294
This FlightHub deal was found by Cheapflights users on 1/29. 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 2/2311:02 pm
ONT
-
CUN
1 stop7h 46m
Volaris
Sat 2/281:02 pm
CUN
-
ONT
1 stop10h 09m
Volaris
Deal found 1/29$295
This Frontier deal was found by Cheapflights users on 1/28. 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.
Sat 2/218:21 am
ONT
-
CUN
1 stop23h 17m
Frontier
Sat 2/281:18 pm
CUN
-
ONT
1 stop28h 11m
Frontier
Deal found 1/28$296
This Mytrip deal was found by Cheapflights users on 1/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2312:42 am
ONT
-
CUN
1 stop11h 46m
Volaris
Thu 2/261:02 pm
CUN
-
ONT
1 stop12h 50m
Volaris
Deal found 1/28$297
This FlightHub deal was found by Cheapflights users on 1/27. 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.
Thu 2/1911:02 pm
ONT
-
CUN
1 stop10h 03m
Volaris
Thu 2/261:02 pm
CUN
-
ONT
1 stop12h 50m
Volaris
Deal found 1/27$298
This Mytrip deal was found by Cheapflights users on 1/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1712:42 am
ONT
-
CUN
1 stop11h 46m
Volaris
Thu 3/510:39 am
CUN
-
ONT
1 stop12h 32m
Volaris
Deal found 1/28$299
This Gotogate deal was found by Cheapflights users on 1/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2111:02 pm
ONT
-
CUN
1 stop13h 26m
Volaris
Thu 2/261:02 pm
CUN
-
ONT
1 stop12h 50m
Volaris
Deal found 1/27$300

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 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$279
(Mytrip)

One-way from

$95
(FlightHub)

Popular in

May

Cheapest in

January

Average price

$445
Provider with most accurate pricing for Ontario-Cancun flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Cancun flights.
Search Deals
From Ontario to Cancun
Search Deals
One-way flight from Ontario to Cancun
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 29, 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

Tue 2/24

12:42 am-12:05 pm

1 stop8h 23m

Cancun

Fri 2/27

10:39 am-8:11 pm

1 stop12h 32m

$306

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Sun 6/14

12:55 am-12:08 pm

1 stop9h 13m

Cancun

Fri 6/19

1:00 pm-7:23 pm

1 stop8h 23m

$349

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Thu 6/11

12:55 am-12:08 pm

1 stop9h 13m

Cancun

Tue 6/16

1:00 pm-7:23 pm

1 stop8h 23m

$394

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Wed 2/25

8:00 am-5:50 pm

1 stop6h 50m

Cancun

Fri 2/27

8:39 am-8:50 pm

2 stops15h 11m

$399

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Wed 6/17

9:13 pm-9:48 am

1 stop10h 35m

Cancun

Mon 6/22

4:32 pm-11:05 pm

1 stop8h 33m

$411

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Tue 4/14

10:15 pm-8:53 am

1 stop8h 38m

Cancun

Fri 4/17

10:00 am-6:33 pm

1 stop10h 33m

$440

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Mon 4/13

10:15 pm-9:55 am

1 stop9h 40m

Cancun

Thu 4/23

8:00 am-9:00 pm

1 stop15h 00m

$440

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Mon 4/13

10:15 pm-9:55 am

1 stop9h 40m

Cancun

Wed 4/22

11:00 am-9:00 pm

1 stop12h 00m

$440

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Sat 5/9

8:00 am-10:30 am

1 stop24h 30m

Cancun

Sat 5/16

3:54 pm-8:04 am

2 stops42h 10m

$441

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Tue 2/24

5:00 pm-10:00 am

2 stops14h 00m

Cancun

Fri 2/27

12:05 pm-11:49 pm

2 stops14h 44m

$445

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 23 results
1
2
3

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.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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

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 23, 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.

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 29, 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.
Southwest
8.0
Very good
4,267 reviews

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Southwest
8.0
Very good
4,267 reviews
Southwest
8.0
Very good
4,267 reviews

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
United Airlines
7.4
Good
9,215 reviews
Southwest
8.0
Very good
4,267 reviews

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
American Airlines
7.2
Good
11,206 reviews
Southwest
8.0
Very good
4,267 reviews

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Volaris
6.6
Okay
1,173 reviews
Southwest
8.0
Very good
4,267 reviews

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Frontier
5.7
Fair
3,056 reviews
Southwest
8.0
Very good
4,267 reviews

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

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.

  • How long is the flight from Ontario to Cancún?

    A quick flight from Ontario to Cancún can take about 6h 50m. Volaris provides one of the quickest options available for as low as $399. The distance from Ontario to Cancún is about 2073 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Ontario to Cancún round-trip?

    Currently priced at $191, Delta will fly you from Ontario to Cancún and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Aeromexico and Frontier - these airlines can fly you to your destination from $204 and $243, respectively. Delta is currently priced 62% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Ontario to Cancún one-way?

    For one-way options, check prices for Volaris. According to our data, you can fly for as low as $125. Users have also found prices from $154 and $164 on Aeromexico and American Airlines, respectively.

  • Can I find deals for flights from Ontario to Cancún that include hotel bookings?

    Yes. In addition to deals on Ontario to Cancún flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Cancún?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Cancún.

  • Can I find deals for business class flights from Ontario to Cancún?

    Yes. Cheapflights offers flight deals from Ontario to Cancún by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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.

See more FAQs

Traveling to a place near Cancún?

Book flights to Cancún if you plan to visit one of these locations
Puerto Aventuras
Holbox
Punta Sam

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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.
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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 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$191Average$481FlexibilityNo cancel feeOn-timeN/A
AeromexicoCheapest$204Average$368FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$243Average$397FlexibilityNo cancel feeOn-time62%
VolarisCheapest$309Average$402FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$377Average$512FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$381Average$621FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$467Average$560FlexibilityNo cancel feeOn-time71%

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