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$147+ 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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CUN
jul. 8 — jul. 151
mar. 7/8
mar. 7/15
1 adult, Economy
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Cheapflights Tip: The best prices from Ontario to Cancun are usually found in February 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

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 julio 3, 2025.

Round-trip from

$294
(Mytrip)

One-way from

$147
(Mytrip)

Popular in

November

Cheapest in

February

Average price

$562
From Ontario to Cancun
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One-way flight from Ontario to Cancun
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Highest demand for flights based on searches. 5% potential increase in price ($34 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 julio 3, 2025.

This Mytrip deal was found by Cheapflights users on 7/3. 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.
jue. 8/211:09 amONT - CUN
2 stops17h 37mVolaris
mar. 8/2610:40 amCUN - ONT
2 stops14h 27mVolaris
Deal found 7/3$294
This Priceline deal was found by Cheapflights users on 6/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/1412:59 amONT - CUN
1 stop13h 21mFrontier
mié. 7/233:25 pmCUN - ONT
1 stop10h 25mFrontier
Deal found 6/30$297
This Aeromexico deal was found by Cheapflights users on 6/30. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/147:05 amONT - CUN
1 stop11h 15mAeromexico
jue. 10/212:25 pmCUN - ONT
1 stop8h 50mAeromexico
Deal found 6/30$343
This American Airlines deal was found by Cheapflights users on 7/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/46:15 amONT - CUN
1 stop6h 55mAmerican Airlines
mié. 8/137:45 amCUN - ONT
1 stop7h 54mAmerican Airlines
Deal found 7/1$347
This Delta deal was found by Cheapflights users on 7/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/2110:05 pmONT - CUN
1 stop9h 55mDelta
jue. 7/249:55 amCUN - ONT
1 stop14h 32mDelta
Deal found 7/3$354
This CheapOair deal was found by Cheapflights users on 6/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/1312:59 amONT - CUN
1 stop13h 21mMultiple Airlines
dom. 8/178:00 amCUN - ONT
1 stop13h 18mMultiple Airlines
Deal found 6/30$362
This United Airlines deal was found by Cheapflights users on 7/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/86:10 amONT - CUN
1 stop8h 02mUnited Airlines
mar. 7/1511:08 amCUN - ONT
1 stop8h 17mUnited Airlines
Deal found 7/1$371

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 julio 3, 2025.
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

jue. 8/21

1:09 am-8:46 pm

2 stops17h 37m

Cancun

mar. 8/26

10:40 am-11:07 pm

2 stops14h 27m

$294

OntarioCancún

ONT - CUN

ONTCUN

Ontario

lun. 7/14

12:59 am-4:20 pm

1 stop13h 21m

Cancun

mié. 7/23

3:25 pm-11:50 pm

1 stop10h 25m

$297

OntarioCancún

ONT - CUN

ONTCUN

Ontario

lun. 7/14

7:05 am-8:20 pm

1 stop11h 15m

Cancun

jue. 10/2

12:25 pm-7:15 pm

1 stop8h 50m

$343

OntarioCancún

ONT - CUN

ONTCUN

Ontario

lun. 8/4

6:15 am-3:10 pm

1 stop6h 55m

Cancun

mié. 8/13

7:45 am-1:39 pm

1 stop7h 54m

$347

OntarioCancún

ONT - CUN

ONTCUN

Ontario

lun. 7/21

10:05 pm-10:00 am

1 stop9h 55m

Cancun

jue. 7/24

9:55 am-10:27 pm

1 stop14h 32m

$354

OntarioCancún

ONT - CUN

ONTCUN

Ontario

mié. 8/13

12:59 am-4:20 pm

1 stop13h 21m

Cancun

dom. 8/17

8:00 am-7:18 pm

1 stop13h 18m

$362

OntarioCancún

ONT - CUN

ONTCUN

Ontario

mar. 7/8

6:10 am-4:12 pm

1 stop8h 02m

Cancun

mar. 7/15

11:08 am-5:25 pm

1 stop8h 17m

$371

OntarioCancún

ONT - CUN

ONTCUN

Ontario

vie. 8/15

11:59 pm-2:34 pm

1 stop12h 35m

$147

OntarioCancún

ONT - CUN

ONTCUN

Ontario

dom. 8/24

6:05 am-3:25 pm

1 stop7h 20m

$148

OntarioCancún

ONT - CUN

ONTCUN

Ontario

lun. 8/11

8:09 pm-9:37 am

1 stop11h 28m

$152

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 13 results
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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 June 27, 2025.

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, January is the cheapest month in which you can book a flight from Ontario to Cancún (average of $360). Flying from Ontario to Cancún in March is currently the most expensive (average of $492). 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?

Find hourly flight availability from Ontario to Cancún. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 3, 2025.

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 44% versus a flight in the morning.

What is the cheapest day to fly from Ontario to Cancún?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Cancún. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Ontario to Cancún flight should consider departing on Friday afternoons when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 julio 3, 2025.
Read through reviews of airlines operating flights from Ontario to Cancún, such as Delta, Aeromexico, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Aeromexico
7.5
Good
1,718 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,861 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Iberia
7.0
Good
2,820 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    Currently priced at $294, Volaris will fly you from Ontario to Cancún and back. In addition to Volaris, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Frontier and Aeromexico - these airlines can fly you to your destination from $297 and $343, respectively. Volaris is currently priced 45% 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 $147. Users have also found prices from $148 and $152 on Aeromexico and Frontier, 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, January is the cheapest month in which you can book a flight from Ontario to Cancún (average of $360). Flying from Ontario to Cancún in March is currently the most expensive (average of $492). 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 Ontario?

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

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Alternative routes for Ontario to Cancún

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Top 8 airlines flying from Ontario to Cancún

Discover the top 8 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 julio 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$276Average$387FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$286Average$547FlexibilityNo cancel feeOn-time75%
VivaCheapest$286Average$461FlexibilityNo cancel feeOn-timeN/A
VolarisCheapest$339Average$445FlexibilityNo cancel feeOn-time79%
DeltaCheapest$356Average$477FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$427Average$561FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$460Average$583FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$460Average$635FlexibilityNo cancel feeOn-time63%

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