Cancún

$80+ 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 2/22. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CUN
Feb 14 — Feb 211
We work with more than 300 partners to bring you better travel deals

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

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 15, 2026.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$246
(Kissandfly.com)

One-way from

$80
(FlightHub)

Popular in

May

Cheapest in

January

Average price

$445
Provider with most accurate pricing for Ontario-Cancun flight deals.
Provider most trusted by Cheapflights users for Ontario-Cancun flights.
From Ontario to Cancun
One-way flight from Ontario to Cancun
Highest demand for flights based on searches. 6% potential increase in price ($35 potential increase over avg. RT price).
Cheapest flight prices on average. 0% potential price decrease ($5 potential savings vs. average RT price).
Average for round-trip flights in January 2026

Find 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 15, 2026.

This FlightHub deal was found by Cheapflights users on 1/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3112:55 am
ONT
-
CUN
1 stop9h 13m
Volaris
Sat 9/510:53 am
CUN
-
ONT
1 stop10h 30m
Volaris
Deal found 1/13$239
This Kissandfly.com deal was found by Cheapflights users on 1/14. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/211:02 pm
ONT
-
CUN
1 stop7h 46m
Volaris
Thu 2/121:02 pm
CUN
-
ONT
1 stop10h 09m
Volaris
Deal found 1/14$246
This FlightHub deal was found by Cheapflights users on 1/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2612:42 am
ONT
-
CUN
1 stop11h 46m
Volaris
Thu 3/510:39 am
CUN
-
ONT
1 stop12h 32m
Volaris
Deal found 1/13$247
This FlightHub deal was found by Cheapflights users on 1/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/211:02 pm
ONT
-
CUN
1 stop10h 03m
Volaris
Sat 2/71:02 pm
CUN
-
ONT
1 stop12h 50m
Volaris
Deal found 1/13$252
This FlightHub deal was found by Cheapflights users on 1/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1012:42 am
ONT
-
CUN
1 stop9h 23m
Volaris
Wed 3/184:18 pm
CUN
-
ONT
1 stop8h 34m
Volaris
Deal found 1/13$254
This FlightHub deal was found by Cheapflights users on 1/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1112:42 am
ONT
-
CUN
1 stop12h 46m
Volaris
Sun 3/1510:39 am
CUN
-
ONT
1 stop11h 32m
Volaris
Deal found 1/14$258
This FlightHub deal was found by Cheapflights users on 1/13. 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 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 3/191:02 pm
CUN
-
ONT
1 stop9h 09m
Volaris
Deal found 1/13$261
This FlightHub deal was found by Cheapflights users on 1/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/411:02 pm
ONT
-
CUN
1 stop13h 26m
Volaris
Sun 3/84:18 pm
CUN
-
ONT
1 stop8h 34m
Volaris
Deal found 1/13$262
This FlightHub deal was found by Cheapflights users on 1/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/1611:02 pm
ONT
-
CUN
1 stop13h 26m
Volaris
Sat 2/281:02 pm
CUN
-
ONT
1 stop12h 50m
Volaris
Deal found 1/14$265
This Gotogate deal was found by Cheapflights users on 1/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/111:02 pm
ONT
-
CUN
1 stop13h 26m
Volaris
Thu 2/51:02 pm
CUN
-
ONT
1 stop10h 09m
Volaris
Deal found 1/13$266
This Mytrip deal was found by Cheapflights users on 1/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/511:02 pm
ONT
-
CUN
1 stop13h 26m
Volaris
Wed 2/1110:39 am
CUN
-
ONT
1 stop12h 32m
Volaris
Deal found 1/13$267

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 15, 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 2/23

6:10 am-5:17 pm

1 stop8h 07m

Cancun

Thu 2/26

12:24 pm-11:59 pm

1 stop14h 35m

$417

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Sat 2/7

7:15 am-3:20 pm

2 stops29h 05m

Cancun

Wed 2/11

2:24 pm-6:27 pm

2 stops31h 03m

$440

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Sun 3/1

6:10 am-5:17 pm

1 stop8h 07m

Cancun

Sun 3/8

11:52 am-6:14 pm

1 stop8h 22m

$472

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Fri 2/13

9:43 pm-12:08 pm

2 stops11h 25m

Cancun

Mon 2/16

12:24 pm-11:59 pm

1 stop14h 35m

$487

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Mon 5/25

11:25 pm-6:00 pm

1 stop16h 35m

Cancun

Sat 5/30

10:50 am-10:09 pm

1 stop13h 19m

$498

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Tue 5/26

11:25 pm-6:00 pm

1 stop16h 35m

Cancun

Thu 6/4

10:50 am-10:09 pm

1 stop13h 19m

$498

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Thu 4/30

9:55 pm-12:55 pm

2 stops13h 00m

Cancun

Tue 5/5

12:45 pm-9:30 pm

2 stops10h 45m

$522

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Fri 2/6

5:59 pm-2:50 pm

2 stops17h 51m

Cancun

Tue 2/10

6:15 pm-5:03 pm

2 stops25h 48m

$526

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Sat 5/2

11:59 pm-1:07 pm

2 stops11h 08m

Cancun

Sat 5/9

8:00 am-6:37 pm

1 stop12h 37m

$532

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Mon 3/30

7:08 pm-4:05 pm

1 stop18h 57m

Cancun

Mon 4/6

4:10 pm-9:39 am

1 stop19h 29m

$534

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

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 Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 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 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

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 9, 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 November is currently the most expensive (average of $282). 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 January 15, 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.

Boarding

8.1

Crew

8.6

Food

7.0

Entertainment

7.5

Comfort

8.0

Overall

8.0

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.

Boarding

8.1

Crew

8.6

Food

7.0

Entertainment

7.5

Comfort

8.0

Overall

8.0

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.

Boarding

8.1

Crew

8.6

Food

7.0

Entertainment

7.5

Comfort

8.0

Overall

8.0

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.

Boarding

8.1

Crew

8.6

Food

7.0

Entertainment

7.5

Comfort

8.0

Overall

8.0

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.

Boarding

8.1

Crew

8.6

Food

7.0

Entertainment

7.5

Comfort

8.0

Overall

8.0

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.

Boarding

8.1

Crew

8.6

Food

7.0

Entertainment

7.5

Comfort

8.0

Overall

8.0

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 8h 07m. Frontier provides one of the quickest options available for as low as $417. 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 November is currently the most expensive (average of $282). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$191Average$477FlexibilityNo cancel feeOn-timeN/A
AeromexicoCheapest$204Average$368FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$243Average$397FlexibilityNo cancel feeOn-time62%
VolarisCheapest$312Average$423FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$377Average$518FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$381Average$621FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$467Average$560FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.