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.

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 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 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.

How long is the flight from Ontario to Cancún?

A quick flight from Ontario to Cancún can take about 7h 20m. Delta provides one of the quickest options available for as low as $387. 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.

$125+ Flights from Ontario to Cancún

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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 July or September, 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 3, 2025.

Wed 12/316:45 amONT - CUN

1 stop7h 27mFrontier

Wed 1/73:14 pmCUN - ONT

2 stops35h 42mFrontier

Deal found 12/1

$359

Fri 12/196:45 amONT - CUN

1 stop7h 27mFrontier

Wed 12/244:58 pmCUN - ONT

1 stop10h 01mFrontier

Deal found 12/1

$361

Mon 12/86:00 amONT - CUN

1 stop7h 20mAeromexico

Fri 12/1212:00 pmCUN - ONT

1 stop10h 39mAeromexico

Deal found 12/1

$367

Mon 12/85:18 pmONT - CUN

2 stops38h 00mMultiple Airlines

Sat 12/1312:31 pmCUN - ONT

1 stop31h 02mMultiple Airlines

Deal found 12/1

$370

Sun 12/288:19 amONT - CUN

1 stop24h 05mFrontier

Sat 1/104:58 pmCUN - ONT

1 stop9h 16mFrontier

Deal found 12/3

$373

Tue 12/96:00 amONT - CUN

1 stop7h 20mDelta

Wed 12/1712:00 pmCUN - ONT

1 stop14h 04mDelta

Deal found 12/3

$387

Tue 12/96:15 amONT - CUN

2 stops25h 03mFrontier

Thu 12/1111:33 amCUN - ONT

2 stops53h 52mFrontier

Deal found 12/2

$390

Mon 12/84:47 pmONT - CUN

2 stops15h 03mAmerican Airlines

Fri 12/121:07 pmCUN - ONT

1 stop8h 10mAmerican Airlines

Deal found 12/1

$391

Sun 12/216:37 pmONT - CUN

2 stops13h 39mFrontier

Wed 12/244:58 pmCUN - ONT

1 stop10h 01mFrontier

Deal found 12/2

$392

Sat 12/205:16 pmONT - CUN

2 stops39h 00mFrontier

Tue 12/234:58 pmCUN - ONT

1 stop10h 01mFrontier

Deal found 12/1

$393

Tue 12/96:15 amONT - CUN

2 stops25h 03mFrontier

Fri 12/122:33 pmCUN - ONT

2 stops26h 52mFrontier

Deal found 12/2

$394

Tue 12/306:45 amONT - CUN

1 stop7h 27mFrontier

Mon 1/54:58 pmCUN - ONT

1 stop10h 01mFrontier

Deal found 12/2

$398

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 3, 2025.

Tue 12/96:00 amONT - CUN

1 stop7h 20mDelta

Wed 12/1712:00 pmCUN - ONT

1 stop14h 04mDelta

Deal found 12/3

$387

Tue 2/101:53 pmONT - CUN

1 stop14h 20mUnited Airlines

Tue 2/248:39 amCUN - ONT

2 stops15h 11mUnited Airlines

Deal found 12/1

$398

Sun 1/186:00 amONT - CUN

2 stops12h 11mDelta

Thu 1/228:38 amCUN - ONT

2 stops15h 27mDelta

Deal found 12/1

$398

Thu 1/156:00 amONT - CUN

1 stop8h 50mUnited Airlines

Wed 1/218:39 amCUN - ONT

2 stops12h 04mUnited Airlines

Deal found 12/2

$406

Mon 1/2610:30 pmONT - CUN

2 stops13h 45mDelta

Fri 1/308:38 amCUN - ONT

2 stops15h 27mDelta

Deal found 12/2

$398

Fri 1/306:00 amONT - CUN

1 stop8h 50mUnited Airlines

Mon 2/22:44 pmCUN - ONT

1 stop10h 14mUnited Airlines

Deal found 12/2

$427

Sun 12/710:25 pmONT - CUN

1 stop9h 30mDelta

Fri 12/121:33 pmCUN - ONT

1 stop12h 31mDelta

Deal found 12/3

$427

Tue 12/166:00 amONT - CUN

1 stop6h 59mUnited Airlines

Sat 12/2012:36 pmCUN - ONT

1 stop11h 31mUnited Airlines

Deal found 12/1

$432

Mon 12/810:25 pmONT - CUN

1 stop14h 08mDelta

Fri 12/126:00 amCUN - ONT

2 stops16h 39mDelta

Deal found 12/3

$427

Sat 12/136:00 amONT - CUN

1 stop8h 50mUnited Airlines

Wed 12/1712:28 pmCUN - ONT

2 stops13h 21mUnited Airlines

Deal found 12/2

$436

Last-minute flights from Ontario to Cancún
Discover last-minute flight deals from Ontario to Cancún. Data last updated December 3, 2025 and is based on user searches.

Fri 1/26:45 amONT - CUN

1 stop7h 27mFrontier

Mon 1/124:58 pmCUN - ONT

1 stop9h 58mFrontier

Deal found 12/3

$334

Sat 1/103:09 pmONT - CUN

1 stop16h 51mAmerican Airlines

Thu 1/155:15 pmCUN - ONT

1 stop7h 58mAmerican Airlines

Deal found 12/1

$329

Mon 1/1212:42 amONT - CUN

1 stop11h 46mVolaris

Tue 1/204:18 pmCUN - ONT

1 stop9h 34mVolaris

Deal found 12/2

$303

Mon 1/128:31 amONT - CUN

1 stop22h 29mMultiple Airlines

Sun 1/182:04 pmCUN - ONT

1 stop27h 19mMultiple Airlines

Deal found 12/2

$332

Sun 1/186:00 amONT - CUN

1 stop7h 05mAeromexico

Thu 1/221:40 pmCUN - ONT

1 stop10h 25mAeromexico

Deal found 12/2

$313

Mon 1/1911:02 pmONT - CUN

1 stop7h 46mVolaris

Wed 1/281:02 pmCUN - ONT

1 stop10h 09mVolaris

Deal found 12/2

$299

Mon 1/198:32 amONT - CUN

1 stop22h 28mMultiple Airlines

Mon 1/2611:05 amCUN - ONT

2 stops29h 32mMultiple Airlines

Deal found 12/2

$315

Wed 1/218:00 amONT - CUN

1 stop6h 50mUnited Airlines

Wed 1/281:35 pmCUN - ONT

1 stop12h 18mUnited Airlines

Deal found 12/1

$337

Mon 1/2612:42 amONT - CUN

1 stop8h 23mVolaris

Fri 1/3010:39 amCUN - ONT

1 stop12h 32mVolaris

Deal found 12/2

$292

Mon 1/2612:42 amONT - CUN

1 stop8h 23mVolaris

Sun 2/11:02 pmCUN - ONT

1 stop12h 50mVolaris

Deal found 12/1

$319

Fri 1/3011:02 pmONT - CUN

1 stop13h 26mVolaris

Fri 2/610:39 amCUN - ONT

1 stop12h 32mVolaris

Deal found 12/1

$311

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 3, 2025.

Tue 1/2012:42 amONT - CUN

1 stop11h 46mVolaris

Deal found 12/2

$125

Sat 1/1711:02 pmONT - CUN

1 stop13h 26mVolaris

Deal found 12/1

$126

Mon 1/1211:02 pmONT - CUN

1 stop10h 03mVolaris

Deal found 12/1

$132

Sat 1/1712:42 amONT - CUN

1 stop11h 46mVolaris

Deal found 12/2

$138

Fri 2/611:02 pmONT - CUN

1 stop7h 46mVolaris

Deal found 12/1

$139

Wed 12/316:00 amONT - CUN

1 stop7h 20mAeromexico

Deal found 11/30

$140

Sat 1/177:15 amONT - CUN

3 stops29h 13mMultiple Airlines

Deal found 12/2

$144

Fri 2/66:20 amONT - CUN

3 stops54h 08mMultiple Airlines

Deal found 11/30

$145

Mon 1/266:00 amONT - CUN

1 stop7h 05mAeromexico

Deal found 12/1

$146

Wed 12/316:45 amONT - CUN

1 stop7h 27mFrontier

Deal found 12/2

$147

Mon 1/1912:42 amONT - CUN

1 stop11h 46mVolaris

Deal found 12/1

$148

Tue 12/306:45 amONT - CUN

1 stop7h 27mFrontier

Deal found 12/1

$149

Find flight deals from Ontario to Cancún

Most accurate provider	CheapOair 3 stars
Most trusted provider	CheapOair 3 stars
Round-trip from	$292 (Trip.com)
One-way from	$125 (Trip.com)
Popular in	June
Cheapest in	July
Average price	$537

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. 1% potential increase in price ($9 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 0% potential price decrease ($3 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

Tue 12/9

6:00 am-4:20 pm

1 stop7h 20m

Cancun

Wed 12/17

12:00 pm-11:04 pm

1 stop14h 04m

$387

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Tue 2/10

1:53 pm-7:13 am

1 stop14h 20m

Cancun

Tue 2/24

8:39 am-8:50 pm

2 stops15h 11m

$398

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Sun 1/18

6:00 am-9:11 pm

2 stops12h 11m

Cancun

Thu 1/22

8:38 am-9:05 pm

2 stops15h 27m

$398

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Mon 1/26

10:30 pm-3:15 pm

2 stops13h 45m

Cancun

Fri 1/30

8:38 am-9:05 pm

2 stops15h 27m

$398

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Thu 1/15

6:00 am-5:50 pm

1 stop8h 50m

Cancun

Wed 1/21

8:39 am-5:43 pm

2 stops12h 04m

$406

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Fri 1/30

6:00 am-5:50 pm

1 stop8h 50m

Cancun

Mon 2/2

2:44 pm-9:58 pm

1 stop10h 14m

$427

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Sun 12/7

10:25 pm-10:55 am

1 stop9h 30m

Cancun

Fri 12/12

1:33 pm-11:04 pm

1 stop12h 31m

$427

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Mon 12/8

10:25 pm-3:33 pm

1 stop14h 08m

Cancun

Fri 12/12

6:00 am-7:39 pm

2 stops16h 39m

$427

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Tue 12/16

6:00 am-3:59 pm

1 stop6h 59m

Cancun

Sat 12/20

12:36 pm-9:07 pm

1 stop11h 31m

$432

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Sat 12/13

6:00 am-5:50 pm

1 stop8h 50m

Cancun

Wed 12/17

12:28 pm-10:49 pm

2 stops13h 21m

$436

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/1

Showing 1-10 of 21 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 $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 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.

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

8.0

Very good

4,254 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

8.0

Very good

4,254 reviews

Southwest

8.0

Very good

4,254 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

9,063 reviews

Southwest

8.0

Very good

4,254 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

11,045 reviews

Southwest

8.0

Very good

4,254 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

6.7

Okay

1,156 reviews

Southwest

8.0

Very good

4,254 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

3,092 reviews

Southwest

8.0

Very good

4,254 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 7h 20m. Delta provides one of the quickest options available for as low as $387. 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 $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

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Other flights to Cancún

Top 8 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%
Alaska Airlines	Cheapest$286	Average$501	FlexibilityNo cancel fee	On-time75%
Volaris	Cheapest$309	Average$471	FlexibilityNo cancel fee	On-time79%
Aeromexico	Cheapest$336	Average$374	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$380	Average$529	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$381	Average$618	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$468	Average$577	FlexibilityNo cancel fee	On-time71%

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$125+ 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 1/27. 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 July or September, 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 3, 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 3, 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?

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 8 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 3, 2025.