What’s the top layover airport for flights from Ontario to Cancún?

Houston (IAH) – chosen by Cheapflights users on 50% of 1-stop itineraries from Ontario to Cancún on Cheapflights.

What’s the cheapest layover airport for flights from Ontario to Cancún?

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?

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?

Flights via Houston (IAH) offer the fastest connection on this route, with an average layover time of 1h 17m.

How long is the flight from Ontario to Cancún?

A quick flight from Ontario to Cancún can take about 8h 12m. Volaris provides one of the quickest options available for as low as $366. 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 63% 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 $137. Users have also found prices from $154 and $164 on Aeromexico and American Airlines, respectively.

In terms of precipitation, rainfall in Cancún ranges from 1.1 - 11.1 inches per month. October is typically the wettest month, when rainfall can reach 11.1 in. April is typically the driest time to visit Cancún when rainfall is around 1.1 in.

If weather is an important factor for your trip to Cancún, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 86.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 75.2 F).

What are the most popular airlines that fly from Ontario to Cancún?

When booking a flight from Ontario to Cancún, you may want to consider flying on United Airlines, American Airlines or Southwest as they are the most popular for this route.

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.

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.

$97+ Flights from Ontario to Cancún

Q: How much does it cost to fly round-trip from Ontario to Cancún?

Airfare is below average for this route at the moment. Ontario to Cancún flights typically cost between $477 and $774 in March. The cheapest round-trip price found within the last 3 days was $270 on Volaris (Mar 6-Mar 9).

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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

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.

Cheapflights Tip: The best prices from Ontario to Cancun are usually found in January or July, booked 69 days in advance, depart on a Tuesday or Monday and return on a Monday

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 December 18, 2025.

Wed 12/316:45 amONT - CUN

1 stop7h 27mFrontier

Fri 1/94:58 pmCUN - ONT

1 stop9h 58mFrontier

Deal found 12/16

$363

Tue 12/306:17 pmONT - CUN

2 stops19h 55mFrontier

Fri 1/94:58 pmCUN - ONT

1 stop9h 58mFrontier

Deal found 12/16

$413

Sat 12/205:05 amONT - CUN

1 stop7h 45mUnited Airlines

Thu 12/2512:36 pmCUN - ONT

1 stop11h 31mUnited Airlines

Deal found 12/17

$422

Mon 12/226:45 amONT - CUN

1 stop7h 27mFrontier

Thu 12/254:58 pmCUN - ONT

1 stop10h 01mFrontier

Deal found 12/17

$423

Sun 12/216:45 amONT - CUN

1 stop7h 27mFrontier

Wed 12/244:58 pmCUN - ONT

1 stop10h 01mFrontier

Deal found 12/16

$457

Wed 12/316:45 amONT - CUN

1 stop7h 27mFrontier

Wed 1/74:58 pmCUN - ONT

1 stop9h 16mFrontier

Deal found 12/16

$458

Sat 12/205:05 amONT - CUN

1 stop7h 40mUnited Airlines

Mon 12/221:27 pmCUN - ONT

1 stop11h 58mUnited Airlines

Deal found 12/16

$467

Sat 12/276:45 amONT - CUN

1 stop7h 27mFrontier

Tue 12/304:58 pmCUN - ONT

1 stop10h 01mFrontier

Deal found 12/16

$478

Sun 12/216:45 amONT - CUN

1 stop7h 27mFrontier

Thu 12/254:58 pmCUN - ONT

1 stop10h 01mFrontier

Deal found 12/16

$482

Mon 12/225:05 amONT - CUN

1 stop7h 45mUnited Airlines

Tue 12/234:30 pmCUN - ONT

1 stop9h 11mUnited Airlines

Deal found 12/16

$487

Best flights from Ontario to Cancún
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 December 18, 2025.

Wed 4/2212:55 amONT - CUN

1 stop12h 33mVolaris

Mon 4/271:00 pmCUN - ONT

1 stop12h 05mVolaris

Deal found 12/17

$308

Thu 2/196:05 amONT - CUN

1 stop8h 12mFrontier

Mon 2/2310:17 amCUN - ONT

2 stops16h 42mFrontier

Deal found 12/17

$366

Sun 3/811:59 pmONT - CUN

1 stop10h 34mUnited Airlines

Wed 3/1112:37 pmCUN - ONT

1 stop10h 13mUnited Airlines

Deal found 12/16

$383

Wed 2/1812:42 amONT - CUN

1 stop11h 46mVolaris

Mon 2/2310:39 amCUN - ONT

1 stop12h 32mVolaris

Deal found 12/17

$319

Wed 6/312:59 amONT - CUN

1 stop11h 07mVolaris

Sun 6/710:53 amCUN - ONT

1 stop10h 30mVolaris

Deal found 12/17

$341

Thu 1/86:00 amONT - CUN

1 stop7h 57mFrontier

Thu 1/1511:40 amCUN - ONT

2 stops22h 57mFrontier

Deal found 12/17

$376

Wed 4/156:00 amONT - CUN

1 stop6h 20mUnited Airlines

Tue 4/211:04 pmCUN - ONT

1 stop12h 02mUnited Airlines

Deal found 12/16

$383

Wed 1/77:00 amONT - CUN

1 stop7h 36mFrontier

Sun 1/114:58 pmCUN - ONT

1 stop9h 58mFrontier

Deal found 12/17

$388

Fri 2/209:43 pmONT - CUN

2 stops11h 25mFrontier

Fri 2/272:47 pmCUN - ONT

2 stops19h 39mFrontier

Deal found 12/17

$401

Mon 4/65:24 pmONT - CUN

2 stops20h 28mFrontier

Sat 4/1112:13 pmCUN - ONT

1 stop13h 46mFrontier

Deal found 12/16

$403

Thu 4/26:00 amONT - CUN

1 stop7h 52mFrontier

Thu 4/912:13 pmCUN - ONT

1 stop13h 46mFrontier

Deal found 12/17

$404

Last-minute flights from Ontario to Cancún
Discover last-minute flight deals from Ontario to Cancún. Data last updated December 18, 2025 and is based on user searches.

Sat 1/1011:02 pmONT - CUN

1 stop13h 26mVolaris

Sat 1/174:18 pmCUN - ONT

1 stop9h 34mVolaris

Deal found 12/15

$309

Thu 1/1511:02 pmONT - CUN

1 stop10h 03mVolaris

Mon 1/191:02 pmCUN - ONT

1 stop12h 50mVolaris

Deal found 12/17

$308

Fri 1/1612:42 amONT - CUN

1 stop8h 23mVolaris

Thu 1/221:02 pmCUN - ONT

1 stop12h 50mVolaris

Deal found 12/15

$281

Fri 1/1611:02 pmONT - CUN

1 stop10h 03mVolaris

Fri 1/231:02 pmCUN - ONT

1 stop12h 50mVolaris

Deal found 12/17

$290

Fri 1/1612:42 amONT - CUN

1 stop11h 46mVolaris

Sat 1/241:02 pmCUN - ONT

1 stop12h 50mVolaris

Deal found 12/16

$295

Sat 1/1712:42 amONT - CUN

1 stop8h 23mVolaris

Thu 1/224:18 pmCUN - ONT

1 stop9h 34mVolaris

Deal found 12/17

$278

Thu 1/2212:42 amONT - CUN

1 stop8h 23mVolaris

Wed 1/284:18 pmCUN - ONT

1 stop9h 34mVolaris

Deal found 12/16

$282

Sat 1/2411:02 pmONT - CUN

1 stop7h 46mVolaris

Tue 1/271:02 pmCUN - ONT

1 stop12h 50mVolaris

Deal found 12/16

$294

Sun 1/2512:42 amONT - CUN

1 stop11h 46mVolaris

Sat 1/314:18 pmCUN - ONT

1 stop9h 34mVolaris

Deal found 12/16

$306

Mon 1/2612:42 amONT - CUN

1 stop8h 23mVolaris

Sun 2/14:18 pmCUN - ONT

1 stop9h 34mVolaris

Deal found 12/16

$301

Mon 1/2612:42 amONT - CUN

1 stop8h 23mVolaris

Mon 2/210:39 amCUN - ONT

1 stop12h 32mVolaris

Deal found 12/16

$310

One-way flights from Ontario to Cancún
Search for one-way flight options from Ontario to Cancún. Find affordable one-way fares based on user searches. Data last updated December 18, 2025.

Fri 2/2011:59 pmONT - CUN

1 stop11h 01mVolaris

Deal found 12/17

$97

Wed 6/312:59 amONT - CUN

1 stop11h 07mVolaris

Deal found 12/17

$98

Wed 5/2712:55 amONT - CUN

1 stop12h 33mVolaris

Deal found 12/17

$103

Sat 1/3111:02 pmONT - CUN

1 stop10h 03mVolaris

Deal found 12/15

$104

Sat 1/2412:42 amONT - CUN

1 stop8h 23mVolaris

Deal found 12/16

$105

Wed 1/2111:02 pmONT - CUN

1 stop13h 26mVolaris

Deal found 12/17

$106

Tue 1/2011:02 pmONT - CUN

1 stop7h 46mVolaris

Deal found 12/16

$107

Fri 1/2312:42 amONT - CUN

1 stop8h 23mVolaris

Deal found 12/16

$109

Fri 5/299:13 pmONT - CUN

1 stop12h 55mVolaris

Deal found 12/17

$110

Wed 1/2812:42 amONT - CUN

1 stop8h 23mVolaris

Deal found 12/15

$111

Mon 1/1212:42 amONT - CUN

1 stop8h 23mVolaris

Deal found 12/16

$112

Find flight deals from Ontario to Cancún

Most accurate provider	CheapOair 3 stars
Most trusted provider	CheapOair 3 stars
Round-trip from	$270 (FlightHub)
One-way from	$97 (FlightHub)
Popular in	May
Cheapest in	January
Average price	$529

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. 5% potential increase in price ($31 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 0% potential price decrease ($5 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Wed 4/22

12:55 am-3:28 pm

1 stop12h 33m

Cancun

Mon 4/27

1:00 pm-11:05 pm

1 stop12h 05m

$308

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Wed 2/18

12:42 am-3:28 pm

1 stop11h 46m

Cancun

Mon 2/23

10:39 am-8:11 pm

1 stop12h 32m

$319

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Wed 6/3

12:59 am-2:06 pm

1 stop11h 07m

Cancun

Sun 6/7

10:53 am-7:23 pm

1 stop10h 30m

$341

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Thu 2/19

6:05 am-5:17 pm

1 stop8h 12m

Cancun

Mon 2/23

10:17 am-11:59 pm

2 stops16h 42m

$366

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Thu 1/8

6:00 am-4:57 pm

1 stop7h 57m

Cancun

Thu 1/15

11:40 am-7:37 am

2 stops22h 57m

$376

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Sun 3/8

11:59 pm-12:33 pm

1 stop10h 34m

Cancun

Wed 3/11

12:37 pm-8:50 pm

1 stop10h 13m

$383

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Wed 4/15

6:00 am-2:20 pm

1 stop6h 20m

Cancun

Tue 4/21

1:04 pm-11:06 pm

1 stop12h 02m

$383

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Wed 1/7

7:00 am-5:36 pm

1 stop7h 36m

Cancun

Sun 1/11

4:58 pm-11:56 pm

1 stop9h 58m

$388

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Fri 2/20

9:43 pm-12:08 pm

2 stops11h 25m

Cancun

Fri 2/27

2:47 pm-7:26 am

2 stops19h 39m

$401

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Mon 4/6

5:24 pm-3:52 pm

2 stops20h 28m

Cancun

Sat 4/11

12:13 pm-11:59 pm

1 stop13h 46m

$403

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 23 results

Compare providers for flights from Ontario to Cancún

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Cancún in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy2 stars	Trust Score*3 stars
CheapTicketsDeal	Price Accuracy3 stars	Trust Score*3 stars
CheapOair	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust 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

Prices

How far ahead should I book a flight from Ontario to Cancún?

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 69 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.

What is the cheapest time of day to fly from ONT to CUN?

When flying from Ontario to Cancún, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 43% versus a flight in the morning.

How much does it cost to fly round-trip from Ontario to Cancún?

Reviews of airlines servicing Cancún

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

7.9

Good

4,249 reviews

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

7.9

Good

4,249 reviews

Southwest

7.9

Good

4,249 reviews

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

9,092 reviews

Southwest

7.9

Good

4,249 reviews

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

11,053 reviews

Southwest

7.9

Good

4,249 reviews

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

1,156 reviews

Southwest

7.9

Good

4,249 reviews

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

5.8

Fair

3,082 reviews

Southwest

7.9

Good

4,249 reviews

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

How long is the flight from Ontario to Cancún?
A quick flight from Ontario to Cancún can take about 8h 12m. Volaris provides one of the quickest options available for as low as $366. 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 63% 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 $137. 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

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Other flights to Cancún

Top 7 airlines flying from Ontario to Cancún

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$220	Average$477	FlexibilityNo cancel fee	On-timeN/A
Frontier	Cheapest$243	Average$397	FlexibilityNo cancel fee	On-time62%
Volaris	Cheapest$313	Average$456	FlexibilityNo cancel fee	On-time79%
Aeromexico	Cheapest$336	Average$368	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$378	Average$530	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$381	Average$607	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$467	Average$566	FlexibilityNo cancel fee	On-time71%

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$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 2/20. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Cancún with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Ontario to Cancun are usually found in January or July, booked 69 days in advance, depart on a Tuesday or Monday and return on a Monday

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 December 18, 2025.

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 December 18, 2025.

Find flight deals from Ontario to Cancún

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Cancún that are best for you.

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 December.

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.

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?

What is the cheapest month to book a flight from Ontario to Cancún?

What is the cheapest time of day to fly from ONT to CUN?

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?

What’s the cheapest layover airport for flights from Ontario to Cancún?

What’s the fastest layover option from Ontario to Cancún?

Which airport typically offers the quickest layover for flights from Ontario to Cancún?

Reviews of airlines servicing Cancún

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.

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?

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

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

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

How can I find direct flights from Ontario to Cancún?

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

What is the cheapest month to book a flight from Ontario to Cancún?

Traveling to a place near Cancún?

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Alternative routes for Ontario to Cancún

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Top 7 airlines flying from Ontario to Cancún

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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 December 18, 2025.