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Cheap flights from Cancún (CUN) to Ontario (ONT) from $145

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 7/24. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
CUN — ONT
Jun 11 — Jun 181
From?
To?
Tue 6/11
Tue 6/18
1 adult, Economy
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Cheap 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 June 6, 2024.

Popular in

June

Cheapest in

January

Round-trip from

$238

One-way from

$212
High demand for flights, 48% potential price rise
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Best time to find cheap flights, 55% potential price drop
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From Cancun to Ontario
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One-way flight from Cancun to Ontario
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How far in advance should I book a flight from Cancún to Ontario?

Find a great deal and save up to 76% by booking at least 24 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Cancún to Ontario within the next two weeks, with the cheapest ticket starting at $249.

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

Flights from Cancún to Ontario lean towards being more expensive in June. Prices are generally better when you fly from Cancún to Ontario in February, with the cheapest ticket starting at $184.

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

When flying from Cancún to Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Cancún to Ontario flights in June & July 2024

Find cheap flight options from Cancún to Ontario specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Prices were last updated on June 6, 2024.
Check out some of the best flight deals from Cancún to Ontario in 2024. For more flight deals, be sure to check back very soon.
Thu 7/47:51 amCUN - ONT
1 stop15h 20mUnited Airlines
Fri 7/126:25 pmONT - CUN
1 stop20h 20mUnited Airlines
Deal found 6/5$392
Mon 7/1510:10 amCUN - ONT
2 stops15h 39mFrontier
Mon 7/227:04 pmONT - CUN
2 stops19h 17mFrontier
Deal found 6/6$426
Thu 7/412:11 pmCUN - ONT
1 stop13h 33mFrontier
Thu 7/1112:59 amONT - CUN
1 stop10h 03mFrontier
Deal found 6/5$446
Wed 7/312:11 pmCUN - ONT
1 stop13h 38mFrontier
Thu 7/117:21 pmONT - CUN
2 stops15h 41mFrontier
Deal found 6/6$454
Thu 7/412:11 pmCUN - ONT
1 stop13h 33mFrontier
Fri 7/128:36 pmONT - CUN
2 stops14h 26mFrontier
Deal found 6/5$465
Wed 7/312:11 pmCUN - ONT
1 stop26h 31mFrontier
Thu 7/1110:19 amONT - CUN
1 stop28h 02mFrontier
Deal found 6/6$469
Mon 7/155:40 amCUN - ONT
1 stop17h 31mUnited Airlines
Mon 7/226:25 pmONT - CUN
1 stop18h 15mUnited Airlines
Deal found 6/6$473
Sun 6/3012:11 pmCUN - ONT
1 stop20h 12mMultiple Airlines
Wed 7/2412:49 amONT - CUN
1 stop10h 13mMultiple Airlines
Deal found 6/5$477
Mon 7/1510:10 amCUN - ONT
2 stops15h 39mFrontier
Sun 7/2112:59 amONT - CUN
1 stop10h 03mFrontier
Deal found 6/6$488

Cancún to Ontario 2024 flight deals

Discover exclusive flight deals for travel between Cancún and Ontario in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.
Check out some of the best flight deals from Cancún to Ontario in 2024. For more flight deals, be sure to check back very soon.
Wed 9/183:01 pmCUN - ONT
1 stop8h 30mUnited Airlines
Sat 9/216:00 amONT - CUN
1 stop26h 04mUnited Airlines
Deal found 6/4$311
Thu 9/198:15 amCUN - ONT
1 stop16h 31mAeromexico
Tue 9/246:00 amONT - CUN
1 stop6h 58mAeromexico
Deal found 6/6$354
Mon 10/2811:35 amCUN - ONT
1 stop12h 17mUnited Airlines
Sat 11/26:00 amONT - CUN
2 stops27h 25mUnited Airlines
Deal found 6/4$375
Wed 9/188:00 amCUN - ONT
2 stops12h 30mAmerican Airlines
Sat 9/2111:59 pmONT - CUN
1 stop8h 01mAmerican Airlines
Deal found 6/4$381
Wed 9/1812:18 pmCUN - ONT
2 stops13h 21mFrontier
Sat 9/215:30 pmONT - CUN
2 stops13h 12mFrontier
Deal found 6/4$383
Thu 7/47:51 amCUN - ONT
1 stop15h 20mUnited Airlines
Fri 7/126:25 pmONT - CUN
1 stop20h 20mUnited Airlines
Deal found 6/5$392
Mon 10/2811:35 amCUN - ONT
1 stop12h 17mUnited Airlines
Sat 11/26:00 amONT - CUN
1 stop11h 18mUnited Airlines
Deal found 6/4$410
Tue 8/135:40 amCUN - ONT
1 stop17h 31mUnited Airlines
Tue 8/206:00 amONT - CUN
1 stop6h 37mUnited Airlines
Deal found 6/5$413
Mon 7/1510:10 amCUN - ONT
2 stops15h 39mFrontier
Mon 7/227:04 pmONT - CUN
2 stops19h 17mFrontier
Deal found 6/6$426

Cancún to Ontario flights leaving soon

Find last-minute flight options from Cancún to Ontario for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.
Have a look at some of the flights available from Cancún to Ontario departing last-minute. It's wise to confirm all flight details are correct before booking.
Tue 6/112:15 pmCUN - ONT
1 stop9h 45mMultiple Airlines
Fri 6/144:14 pmONT - CUN
1 stop19h 56mMultiple Airlines
Deal found 6/4$532
Tue 6/115:40 amCUN - ONT
1 stop17h 34mUnited Airlines
Fri 6/146:25 pmONT - CUN
1 stop16h 35mUnited Airlines
Deal found 6/4$604
Tue 6/115:26 pmCUN - ONT
1 stop29h 30mFrontier
Mon 6/173:48 pmONT - CUN
1 stop20h 13mFrontier
Deal found 6/6$616
Thu 6/138:00 amCUN - ONT
1 stop7h 48mAmerican Airlines
Mon 6/2411:59 pmONT - CUN
1 stop7h 03mAmerican Airlines
Deal found 6/5$686
Tue 6/113:10 pmCUN - ONT
2 stops19h 54mFrontier
Fri 6/1410:23 pmONT - CUN
1 stop12h 39mFrontier
Deal found 6/4$689
Tue 6/113:10 pmCUN - ONT
2 stops17h 52mFrontier
Fri 6/144:27 pmONT - CUN
2 stops15h 14mFrontier
Deal found 6/4$717
Tue 6/113:10 pmCUN - ONT
2 stops19h 54mFrontier
Mon 6/179:36 pmONT - CUN
2 stops16h 31mFrontier
Deal found 6/6$732
Tue 6/113:10 pmCUN - ONT
1 stop30h 01mFrontier
Thu 6/1312:59 amONT - CUN
1 stop10h 03mFrontier
Deal found 6/4$762
Tue 6/113:10 pmCUN - ONT
2 stops19h 54mFrontier
Thu 6/1312:59 amONT - CUN
2 stops13h 22mFrontier
Deal found 6/4$792

One-way flights to Ontario from Cancún

Search for one-way flight options from Cancún to Ontario. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.
If you're seeking multiple options on one-way flights from Cancún to Ontario, be sure to check out these deals, which are updated often. Users can also find round-trip Cancún to Ontario flights by using the search form above.
Wed 7/242:07 pmCUN - ONT
1 stop11h 32mFrontier
Deal found 6/5$145
Wed 8/1411:10 amCUN - ONT
1 stop20h 57mMultiple Airlines
Deal found 6/5$171
Wed 7/311:08 amCUN - ONT
1 stop9h 03mMultiple Airlines
Deal found 6/5$206
Tue 7/25:40 amCUN - ONT
1 stop17h 31mUnited Airlines
Deal found 6/5$209
Wed 7/174:10 pmCUN - ONT
1 stop9h 49mAeromexico
Deal found 6/6$212
Tue 8/204:16 pmCUN - ONT
1 stop9h 42mAmerican Airlines
Deal found 6/6$215
Sun 10/206:30 pmCUN - ONT
2 stops29h 30mAvianca
Deal found 6/6$218
Mon 10/142:10 pmCUN - ONT
2 stops9h 50mAvianca
Deal found 6/5$219
Fri 8/162:05 pmCUN - ONT
1 stop9h 28mFrontier
Deal found 6/5$225

Find flights from Cancún to Ontario within your budget

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 3,050,429 searches. Data last updated June 6, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$311 - $690

Route

Depart

Return

Price

CancunOntario

CUN - ONT

CUNONT

Cancun

Wed 9/18

1 stop8h 30m

Ontario

Sat 9/21

1 stop26h 04m

$311

CancunOntario

CUN - ONT

CUNONT

Cancun

Thu 9/19

1 stop16h 31m

Ontario

Tue 9/24

1 stop6h 58m

$354

CancunOntario

CUN - ONT

CUNONT

Cancun

Wed 9/18

2 stops12h 30m

Ontario

Sat 9/21

1 stop8h 01m

$381

CancunOntario

CUN - ONT

CUNONT

Cancun

Wed 9/18

2 stops13h 21m

Ontario

Sat 9/21

2 stops13h 12m

$383

CancunOntario

CUN - ONT

CUNONT

Cancun

Tue 9/10

1 stop11h 46m

Ontario

Fri 9/20

1 stop11h 04m

$429

CancunOntario

CUN - ONT

CUNONT

Cancun

Sun 6/30

1 stop20h 12m

Ontario

Wed 7/24

1 stop10h 13m

$477

CancunOntario

CUN - ONT

CUNONT

Cancun

Mon 8/19

2 stops9h 50m

Ontario

Mon 8/26

1 stop11h 40m

$577

CancunOntario

CUN - ONT

CUNONT

Cancun

Mon 7/1

2 stops19h 05m

Ontario

Thu 7/11

1 stop18h 15m

$645

CancunOntario

CUN - ONT

CUNONT

Cancun

Wed 6/26

2 stops17h 43m

Ontario

Tue 7/2

2 stops18h 30m

$690

Flights are sorted by cheapest first

Deals found on 6/4

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

Use this chart to determine the cheapest time to fly round-trip from Cancún to Ontario. Price data was last updated on January 28, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Cancún to Ontario flight should consider departing on Friday at noon when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

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.

Temperature and rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average temperature and rainfall totals by month.

LAX

Temperature

57.2 - 73.4 °F

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated June 6, 2024.
Read reviews from past customers who have flown United Airlines, American Airlines and Frontier from Cancún to Ontario. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,222 reviews

Entertainment

7.3

Crew

8.6

Overall

8.1

Food

7.3

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Alaska Airlines
8.1
Very good
9,222 reviews
Alaska Airlines
8.1
Very good
9,222 reviews

Entertainment

7.3

Crew

8.6

Overall

8.1

Food

7.3

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

JetBlue
7.6
Good
4,316 reviews
Alaska Airlines
8.1
Very good
9,222 reviews

Entertainment

7.3

Crew

8.6

Overall

8.1

Food

7.3

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Aeromexico
7.6
Good
2,447 reviews
Alaska Airlines
8.1
Very good
9,222 reviews

Entertainment

7.3

Crew

8.6

Overall

8.1

Food

7.3

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Avianca
7.5
Good
3,599 reviews
Alaska Airlines
8.1
Very good
9,222 reviews

Entertainment

7.3

Crew

8.6

Overall

8.1

Food

7.3

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

United Airlines
7.4
Good
10,696 reviews
Alaska Airlines
8.1
Very good
9,222 reviews

Entertainment

7.3

Crew

8.6

Overall

8.1

Food

7.3

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

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.

  • Can I find flights from Cancún to Ontario for under $400 on Cheapflights?

    Yes, there are multiple flights from Cancún to Ontario for under $400. The cheapest flight booked recently is on United Airlines for just $311, but on average you can expect to pay $445.

  • Are there last-minute flights available from Cancún to Ontario for under $600?

    There are currently 12+ open flights from Cancún to Ontario within the next 7 days for less than $600.

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

    Our cheapest airline available from Cancún to Ontario is United Airlines. Our recent data shows that you can find tickets from as low as $311 on this airline. Additional options worth looking into are Aeromexico and American Airlines, starting at $354 and $381 round-trip. United Airlines is currently priced 29% below the average price you’ll pay for this route.

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

    $145 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on United Airlines and Aeromexico, with prices starting from $209 and $212, respectively.

  • What does CUN to ONT mean?

    Great question - CUN to ONT just means Cancun Airport to Ontario Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from Cancún to Ontario that include extra baggage allowance?

    The amount of baggage you can bring on your Cancún to Ontario flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Cancún to Ontario with specific airlines?

    Yes, Cheapflights allows you to browse and filter Cancún to Ontario flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Cancún to Ontario that allow pets onboard?

    Many airlines flying from Cancún to Ontario offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Cancún to Ontario?

    Yes, you can often find last-minute deals on Cancún to Ontario flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Cancún to Ontario flight deals updated?

    The Cancún to Ontario flight deals you see on this page were last updated on 6/6.

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

    Currently, October is the cheapest month in which you can book a flight from Cancún to Ontario (average of $239). Flying from Cancún to Ontario in July is currently the most expensive (average of $327). 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.

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Alternative routes for Cancún to Ontario
See prices for flight routes from nearby airports that may be better suited for you.

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Top airline flying from Cancún to Ontario

Discover the top airline that operate flights from Cancún to Ontario. 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 3,050,429 searches. Data last updated June 6, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$212Average$232FlexibilityNo cancel feeOn-time62%
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Search flights from Cancún to Ontario by cabin class

Find flights from Cancún to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

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