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Cancún

$119+ Cheap flights from Ontario (ONT) to Cancún (CUN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CUN
May 22 — May 291
Fri 5/22
Fri 5/29
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 April 22, 2026.

This Frontier deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/178:06 pm
ONT
-
CUN
2 stops16h 01m
Frontier
Thu 5/2111:05 am
CUN
-
ONT
1 stop10h 06m
Frontier
Deal found 4/19$290
This Mytrip deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1612:55 am
ONT
-
CUN
1 stop10h 46m
Multiple Airlines
Thu 5/2111:05 am
CUN
-
ONT
1 stop10h 06m
Multiple Airlines
Deal found 4/19$294
This Gotogate deal was found by Cheapflights users on 4/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1812:55 am
ONT
-
CUN
1 stop10h 46m
Multiple Airlines
Sat 5/233:39 pm
CUN
-
ONT
1 stop20h 26m
Multiple Airlines
Deal found 4/20$300
This Justfly.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/39:36 pm
ONT
-
CUN
1 stop10h 19m
Volaris
Thu 5/712:43 pm
CUN
-
ONT
1 stop9h 03m
Volaris
Deal found 4/20$316
This FlightHub deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/312:55 am
ONT
-
CUN
1 stop12h 33m
Volaris
Thu 5/712:43 pm
CUN
-
ONT
1 stop12h 22m
Volaris
Deal found 4/18$319
This Jettzy deal was found by Cheapflights users on 4/21. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/69:36 pm
ONT
-
CUN
1 stop10h 19m
Volaris
Wed 6/2410:40 am
CUN
-
ONT
1 stop11h 06m
Volaris
Deal found 4/21$321
This Justfly.com deal was found by Cheapflights users on 4/21. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/2512:55 am
ONT
-
CUN
1 stop8h 59m
Volaris
Tue 6/3010:40 am
CUN
-
ONT
1 stop11h 06m
Volaris
Deal found 4/21$328
This FlightHub deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2712:55 am
ONT
-
CUN
1 stop8h 59m
Volaris
Thu 7/210:40 am
CUN
-
ONT
1 stop11h 06m
Volaris
Deal found 4/19$330

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 April 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$290
(Frontier)

One-way from

$119
(Jettzy)

Popular in

April

Cheapest in

March

Average price

$589
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. 4% potential increase in price ($23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 22, 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

Price

Cheapest round-trip

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Wed 6/17

9:36 pm-9:55 am

1 stop10h 19m

Cancun

Sun 6/21

3:35 pm-11:49 pm

1 stop10h 14m

$453

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Mon 6/22

6:00 am-12:48 pm

1 stop28h 48m

Cancun

Sat 6/27

1:58 pm-5:52 pm

1 stop29h 54m

$525

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Sun 5/24

3:30 pm-2:07 pm

2 stops20h 37m

Cancun

Sun 5/31

11:05 am-7:11 pm

1 stop10h 06m

$529

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Thu 5/21

12:55 am-1:41 pm

1 stop10h 46m

Cancun

Tue 5/26

3:39 pm-11:49 pm

1 stop10h 10m

$545

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Sat 5/9

10:43 am-11:45 am

2 stops23h 02m

Cancun

Sat 5/16

7:51 am-9:58 pm

1 stop16h 07m

$626
Quickest round-trip

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Mon 5/18

6:00 am-2:18 pm

1 stop6h 18m

Cancun

Fri 5/22

11:00 am-5:28 pm

1 stop8h 28m

$626

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Sun 5/17

6:00 am-7:19 pm

1 stop11h 19m

Cancun

Wed 5/20

2:49 pm-9:58 pm

1 stop9h 09m

$626

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Mon 7/6

1:50 pm-10:06 am

2 stops18h 16m

Cancun

Wed 7/8

1:43 pm-9:55 pm

1 stop10h 12m

$630

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Sat 6/27

1:18 pm-12:02 pm

2 stops20h 44m

Cancun

Thu 7/2

2:49 pm-12:12 pm

2 stops23h 23m

$630

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Tue 6/16

6:30 pm-7:19 pm

2 stops22h 49m

Cancun

Thu 6/25

2:49 pm-12:47 pm

2 stops23h 58m

$630

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 21 resultsSorted by cheapest first
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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 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 April 17, 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 $409). Flying from Ontario to Cancún in April is currently the most expensive (average of $589). 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?

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 April 22, 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.
Southwest
8.0
Very good
4,328 reviews

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Overall

8.0

Crew

8.6

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
4,328 reviews
Southwest
8.0
Very good
4,328 reviews

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Overall

8.0

Crew

8.6

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
9,625 reviews
Southwest
8.0
Very good
4,328 reviews

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Overall

8.0

Crew

8.6

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
7.1
Good
11,647 reviews
Southwest
8.0
Very good
4,328 reviews

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Overall

8.0

Crew

8.6

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
1,168 reviews
Southwest
8.0
Very good
4,328 reviews

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Overall

8.0

Crew

8.6

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
2,982 reviews
Southwest
8.0
Very good
4,328 reviews

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Overall

8.0

Crew

8.6

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 10h 19m. Volaris provides one of the quickest options available for as low as $453. 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 Volaris - these airlines can fly you to your destination from $204 and $291, respectively. Delta is currently priced 61% 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 $109. 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, March is the cheapest month in which you can book a flight from Ontario to Cancún (average of $409). Flying from Ontario to Cancún in April is currently the most expensive (average of $589). 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
Punta Sam
Holbox

Browse thousands of different options on Cheapflights for your next trip

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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 April 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$191Average$481FlexibilityNo cancel feeOn-timeN/A
AeromexicoCheapest$204Average$368FlexibilityNo cancel feeOn-timeN/A
VolarisCheapest$291Average$377FlexibilityNo cancel feeOn-time79%
FrontierCheapest$349Average$413FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$376Average$503FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$381Average$610FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$467Average$588FlexibilityNo cancel feeOn-time71%

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