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Cheap flights from Ontario to Cancún from $73

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Cancún departing on 6/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Ontario to Cancún

Cheap round-trip flights

Enter your travel dates to find the best prices.
Volaris Logo
12:55 am - 3:28 pm
ONT
-
CUN
12h 33m
1 stop
Volaris Logo
2:37 pm - 7:46 pm
CUN
-
ONT
7h 09m
1 stop
$248Volaris
Sat, May 9 - Wed, May 13
Volaris Logo
12:55 am - 3:28 pm
ONT
-
CUN
12h 33m
1 stop
Volaris Logo
10:40 am - 7:46 pm
CUN
-
ONT
11h 06m
1 stop
$251Volaris
Thu, Apr 16 - Tue, Apr 21
Volaris Logo
9:36 pm - 9:55 am
ONT
-
CUN
10h 19m
1 stop
Volaris Logo
10:40 am - 7:46 pm
CUN
-
ONT
11h 06m
1 stop
$257Volaris
Sat, Jun 20 - Sat, Jun 27
Volaris Logo
9:36 pm - 11:54 am
ONT
-
CUN
12h 18m
1 stop
Volaris Logo
12:43 pm - 7:46 pm
CUN
-
ONT
9h 03m
1 stop
$258Volaris
Mon, Jun 15 - Sun, Jun 21
Volaris Logo
9:36 pm - 9:55 am
ONT
-
CUN
10h 19m
1 stop
Volaris Logo
12:43 pm - 11:05 pm
CUN
-
ONT
12h 22m
1 stop
$262Volaris
Sat, Jun 20 - Wed, Jun 24
Volaris Logo
12:55 am - 1:37 pm
ONT
-
CUN
10h 42m
1 stop
Volaris Logo
2:37 pm - 7:46 pm
CUN
-
ONT
7h 09m
1 stop
$263Volaris
Mon, May 4 - Wed, May 13
Volaris Logo
12:55 am - 1:41 pm
ONT
-
CUN
10h 46m
1 stop
Volaris Logo
10:40 am - 7:46 pm
CUN
-
ONT
11h 06m
1 stop
$265Volaris
Sun, May 17 - Thu, May 21
Volaris Logo
9:36 pm - 11:54 am
ONT
-
CUN
12h 18m
1 stop
Volaris Logo
10:40 am - 7:46 pm
CUN
-
ONT
11h 06m
1 stop
$266Volaris
Sat, Jun 6 - Thu, Jun 11
Volaris Logo
12:55 am - 11:54 am
ONT
-
CUN
8h 59m
1 stop
Volaris Logo
2:37 pm - 7:46 pm
CUN
-
ONT
7h 09m
1 stop
$267Volaris
Mon, May 4 - Wed, May 13
Volaris Logo
12:55 am - 11:54 am
ONT
-
CUN
8h 59m
1 stop
Volaris Logo
12:43 pm - 7:46 pm
CUN
-
ONT
9h 03m
1 stop
$268Volaris
Wed, Apr 8 - Thu, Apr 16

Volaris flights from Ontario to Cancún

Our best Volaris deals on Ontario to Cancún flight tickets
Volaris
May 9
ONT12:55 amOntario
12h 33m
1 stop
CUN3:28 pmCancun
May 13
CUN2:37 pmCancun
7h 09m
1 stop
ONT7:46 pmOntario
$248
Volaris
Apr 16
ONT12:55 amOntario
12h 33m
1 stop
CUN3:28 pmCancun
Apr 21
CUN10:40 amCancun
11h 06m
1 stop
ONT7:46 pmOntario
$251
Volaris
Jun 20
ONT9:36 pmOntario
10h 19m
1 stop
CUN9:55 amCancun
Jun 27
CUN10:40 amCancun
11h 06m
1 stop
ONT7:46 pmOntario
$257

Frontier flights from Ontario to Cancún

Our best Frontier deals on Ontario to Cancún flight tickets
Frontier
Mar 25
ONT5:10 pmOntario
15h 32m
1 stop
CUN10:42 amCancun
Mar 31
CUN10:08 amCancun
15h 51m
1 stop
ONT11:59 pmOntario
$410
Frontier
Mar 27
ONT7:09 pmOntario
17h 35m
1 stop
CUN2:44 pmCancun
Mar 31
CUN10:08 amCancun
15h 51m
1 stop
ONT11:59 pmOntario
$414
Frontier
Mar 29
ONT7:09 pmOntario
17h 35m
1 stop
CUN2:44 pmCancun
Apr 5
CUN5:25 pmCancun
27h 15m
1 stop
ONT6:40 pmOntario
$416

momondo 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, momondo users made 832,500 searches. Data last updated March 17, 2026.
Use the filters below to find and compare flights from Ontario to Cancún that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Sat 5/9

12:55 am-3:28 pm

1 stop12h 33m

Cancun

Wed 5/13

2:37 pm-7:46 pm

1 stop7h 09m

$248

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Thu 4/16

12:55 am-3:28 pm

1 stop12h 33m

Cancun

Tue 4/21

10:40 am-7:46 pm

1 stop11h 06m

$251

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Sat 6/20

9:36 pm-9:55 am

1 stop10h 19m

Cancun

Sat 6/27

10:40 am-7:46 pm

1 stop11h 06m

$257

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Mon 6/15

9:36 pm-11:54 am

1 stop12h 18m

Cancun

Sun 6/21

12:43 pm-7:46 pm

1 stop9h 03m

$258

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Sat 6/20

9:36 pm-9:55 am

1 stop10h 19m

Cancun

Wed 6/24

12:43 pm-11:05 pm

1 stop12h 22m

$262

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Mon 5/4

12:55 am-1:37 pm

1 stop10h 42m

Cancun

Wed 5/13

2:37 pm-7:46 pm

1 stop7h 09m

$263

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Sun 5/17

12:55 am-1:41 pm

1 stop10h 46m

Cancun

Thu 5/21

10:40 am-7:46 pm

1 stop11h 06m

$265

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Sat 6/6

9:36 pm-11:54 am

1 stop12h 18m

Cancun

Thu 6/11

10:40 am-7:46 pm

1 stop11h 06m

$266
Quickest round-trip

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Mon 5/4

12:55 am-11:54 am

1 stop8h 59m

Cancun

Wed 5/13

2:37 pm-7:46 pm

1 stop7h 09m

$267

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Wed 4/8

12:55 am-11:54 am

1 stop8h 59m

Cancun

Thu 4/16

12:43 pm-7:46 pm

1 stop9h 03m

$268

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Cancún from

How to get the cheapest flight ticket from Ontario to Cancún

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Cancún?

If you don’t want to visit Cancún in March, then you should wait until February to fly from Ontario, when ticket prices are also cheap, with an average price of $426.

What is the cheapest day to depart on your flight to Cancún?

The cheapest day to depart from Ontario to Cancún is on a Sunday when prices can be found for as low as $469. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $542. These prices are subject to change though, so be sure to set up a Price Alert for flights to Cancún.

What is the cheapest time of day to depart on your flight to Cancún?

Our most recent data shows that the best time of day to fly to Cancún is in the morning. Flights from Ontario to Cancún during this time can be as low as $493. Flights to Cancún are more costly in the evening, with an average ticket price of $538. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Cancún?

You are more likely to see cheaper flights to Cancún from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Cancún for around $494 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Cancún from Ontario for as low as $423 on momondo.

How have Ontario to Cancún flight prices changed over time?

As of March 2026, prices for Ontario to Cancún flights are approximately 6% more expensive when compared to flights at the same time last year.

When to book flights from Ontario to Cancún

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Cancún according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Cancún (ONT to CUN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Cancún

Fastest flight time

7h 05m

Direct flights

None
The fastest flight from Ontario to Cancún takes 7h 05m
There are no direct flights from Ontario to Cancún. There are no popular flight routes from Ontario to Cancún.
Search flight deals

  • How far is Ontario to Cancun by plane?

    The straight-line distance from Ontario to Cancun is 2074.6 mi. By plane, this route typically takes 7h 05m.

  • When did momondo last update prices for flights from Ontario Airport to Cancun Airport?

    Prices for flights from Ontario Airport to Cancun Airport were last updated today.

  • How many operators does momondo search for flights from Ontario Airport to Cancun Airport?

  • How old do you have to be to fly from Ontario Airport to Cancun Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Cancun Airport.

  • What documentation or ID do you need to fly to Cancun Airport?

    The travel and health documents required for your trip to Cancun Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Cancun Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Ontario to Cancún?

Best airlines flying from Ontario to Cancún

Compare and see reviews for airlines that fly from Ontario to Cancún with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $191Free CancellationRating
7.9
8,288 reviews
Search Delta flights
AeromexicoPriceFrom $204Free CancellationRating
7.4
1,564 reviews
Search Aeromexico flights
VolarisPriceFrom $312Free CancellationRating
6.6
1,170 reviews
Search Volaris flights
FrontierPriceFrom $349Free CancellationRating
5.7
3,027 reviews
Search Frontier flights
SouthwestPriceFrom $381Free CancellationRating
8.0
4,321 reviews
Search Southwest flights
United AirlinesPriceFrom $381Free CancellationRating
7.4
9,432 reviews
Search United Airlines flights
American AirlinesPriceFrom $467Free CancellationRating
7.1
11,467 reviews
Search American Airlines flights

Traveling to a place near Cancún?

Book flights to Cancún if you plan to visit one of these locations
Playa del Carmen
Isla Mujeres
Holbox
Puerto Morelos
Akumal
Puerto Aventuras
Punta Sam
Valladolid

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Cancún?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Cancún from Ontario.

Can I find flights from Ontario to Cancún with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Ontario to Cancún flights to just show those with flexible booking policies.

How can momondo help me find flights from Ontario to Cancún?

momondo provides multiple filters to help you find the best flight to Cancún from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Ontario to Cancún right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Ontario to Cancún flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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