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$178+ Cheap flights from Cancún (CUN) to Ontario (ONT)

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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — ONT
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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Cheap flight deals from Cancún to Ontario

Cheapest flights from Cancún to Ontario
Explore the most affordable flight options available from Cancún to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 27, 2026.

This CheapOair deal was found by Cheapflights users on 7/24. 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.
Thu 8/2010:40 am
CUN
-
ONT
1 stop11h 06m
Volaris
Tue 8/259:36 pm
ONT
-
CUN
1 stop12h 28m
Volaris
Deal found 7/24$340
This OneTravel deal was found by Cheapflights users on 7/24. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/244:32 pm
CUN
-
ONT
1 stop8h 33m
Volaris
Sat 10/1012:55 am
ONT
-
CUN
1 stop12h 33m
Volaris
Deal found 7/24$364
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/84:32 pm
CUN
-
ONT
1 stop8h 33m
Volaris
Tue 9/159:36 pm
ONT
-
CUN
1 stop10h 19m
Volaris
Deal found 7/24$369
This Kissandfly.com deal was found by Cheapflights users on 7/24. 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.
Fri 9/410:40 am
CUN
-
ONT
1 stop11h 06m
Volaris
Sat 9/1212:55 am
ONT
-
CUN
1 stop12h 33m
Volaris
Deal found 7/24$370
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/214:32 pm
CUN
-
ONT
1 stop8h 33m
Volaris
Sat 9/512:55 am
ONT
-
CUN
1 stop12h 33m
Volaris
Deal found 7/23$372
This OneTravel deal was found by Cheapflights users on 7/25. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2410:40 am
CUN
-
ONT
1 stop11h 06m
Volaris
Sun 8/3012:55 am
ONT
-
CUN
1 stop12h 33m
Volaris
Deal found 7/25$373
This OneTravel deal was found by Cheapflights users on 7/24. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/94:32 pm
CUN
-
ONT
1 stop8h 33m
Volaris
Sat 9/1212:55 am
ONT
-
CUN
1 stop12h 33m
Volaris
Deal found 7/24$374
This CheapOair deal was found by Cheapflights users on 7/26. 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.
Sat 8/2910:40 am
CUN
-
ONT
1 stop11h 06m
Volaris
Sat 9/512:55 am
ONT
-
CUN
1 stop9h 09m
Volaris
Deal found 7/26$380
This Super.com deal was found by Cheapflights users on 7/26. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1310:20 am
CUN
-
ONT
1 stop8h 33m
Volaris
Tue 11/1712:41 am
ONT
-
CUN
1 stop10h 24m
Volaris
Deal found 7/26$383

Find flight deals from Cancún to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Cancún (CUN) to Ontario (ONT). 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 July 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$340
(CheapOair)

One-way from

$178
(Super.com)

Popular in

August

Cheapest in

February

Average price

$394
Provider with most accurate pricing for Cancun-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Cancun-Ontario flights.
Search Deals
From Cancun to Ontario
Search Deals
One-way flight from Cancun to Ontario
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($50 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Cancún to Ontario 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 July 27, 2026.
Use the filters below to find and compare flights from Cancún to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CancúnOntario

CUN - ONT

CUNONT

Cancun

Sat 8/29

10:40 am-7:46 pm

1 stop11h 06m

Ontario

Sat 9/5

12:55 am-12:04 pm

1 stop9h 09m

$380

CancúnOntario

CUN - ONT

CUNONT

Cancun

Fri 11/13

10:20 am-3:53 pm

1 stop8h 33m

Ontario

Tue 11/17

12:41 am-2:05 pm

1 stop10h 24m

$383

CancúnOntario

CUN - ONT

CUNONT

Cancun

Tue 9/8

4:32 pm-11:05 pm

1 stop8h 33m

Ontario

Tue 9/15

6:15 am-11:58 pm

2 stops15h 43m

$408

CancúnOntario

CUN - ONT

CUNONT

Cancun

Fri 8/21

4:32 pm-11:05 pm

1 stop8h 33m

Ontario

Thu 9/10

9:36 pm-11:19 am

2 stops11h 43m

$415
Quickest round-trip

CancúnOntario

CUN - ONT

CUNONT

Cancun

Wed 8/12

4:32 pm-11:05 pm

1 stop8h 33m

Ontario

Tue 9/29

9:36 pm-9:55 am

1 stop10h 19m

$417

CancúnOntario

CUN - ONT

CUNONT

Cancun

Fri 8/28

10:40 am-7:46 pm

1 stop11h 06m

Ontario

Sun 8/30

12:55 am-12:04 pm

1 stop9h 09m

$417

CancúnOntario

CUN - ONT

CUNONT

Cancun

Thu 8/27

7:51 am-10:59 pm

2 stops17h 08m

Ontario

Mon 8/31

6:00 am-2:37 pm

1 stop6h 37m

$437
Cheapest one-way

CancúnOntario

CUN - ONT

CUNONT

Cancun

Wed 10/28

7:39 am-8:15 pm

2 stops14h 36m

$257

CancúnOntario

CUN - ONT

CUNONT

Cancun

Thu 10/1

7:51 am-10:51 pm

2 stops17h 00m

$257
Quickest one-way

CancúnOntario

CUN - ONT

CUNONT

Cancun

Wed 11/11

2:44 pm-9:50 pm

1 stop10h 06m

$258

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/24

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

Compare providers for flights from Cancún to Ontario

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 Cancún to Ontario in July.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice 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 Cancún-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Cancún-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Cancún-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Cancún-Ontario 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 Cancún-Ontario 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 Cancún to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Cancún 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.

Related info for your journey

Find useful and relevant information for your journey from Cancún to Ontario. 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 Cancún to Ontario?

    Volaris can get you from Cancún to Ontario in just under 11h 06m. Your travel time can differ by up to . Cancún and Ontario are separated by a distance of 2073 mi.

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

    $197 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Volaris and American Airlines, with prices starting from $210 and $240, respectively.

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

    Yes. In addition to deals on Cancún to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Cancún to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cancún to Ontario.

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

    Yes. Cheapflights offers flight deals from Cancún to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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