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Cheap flights from Ontario to Cancún from $128

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 5/6. 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
0 bags

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Find the cheapest flights from Ontario to Cancún

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Ontario to Cancún.
 Logo
12:59 am - 2:51 pmONT-CUN
11h 52m1 stop
 Logo
10:33 am - 5:47 pmCUN-ONT
9h 14m1 stop
Tue, May 6 - Sat, May 10
 Logo
12:59 am - 12:35 amONT-CUN
21h 36m2 stops
 Logo
10:33 am - 5:47 pmCUN-ONT
9h 14m1 stop
Fri, May 2 - Sat, May 10
Frontier Logo
12:59 am - 3:20 pmONT-CUN
12h 21m1 stop
Frontier Logo
3:25 pm - 9:00 amCUN-ONT
19h 35m1 stop
$387Frontier
Find Deal
Mon, Jul 14 - Fri, Jul 18
Frontier Logo
12:49 am - 1:28 pmONT-CUN
10h 39m1 stop
Frontier Logo
3:35 pm - 11:59 pmCUN-ONT
10h 24m1 stop
$390Frontier
Find Deal
Fri, Apr 18 - Thu, Apr 24
United Airlines Logo
6:39 pm - 10:04 amONT-CUN
13h 25m2 stops
United Airlines Logo
2:03 pm - 10:53 pmCUN-ONT
10h 50m2 stops
$409United Airlines
Find Deal
Sun, Aug 17 - Fri, Aug 22
American Airlines Logo
11:59 pm - 1:18 pmONT-CUN
11h 19m2 stops
American Airlines Logo
1:09 pm - 9:57 pmCUN-ONT
10h 48m2 stops
$411American Airlines
Find Deal
Mon, May 5 - Tue, May 13
Volaris Logo
1:09 am - 11:03 amONT-CUN
7h 54m1 stop
Volaris Logo
8:00 am - 7:18 pmCUN-ONT
13h 18m1 stop
$425Volaris
Find Deal
Sat, Aug 16 - Fri, Aug 22
Volaris Logo
1:09 am - 11:03 amONT-CUN
7h 54m1 stop
Volaris Logo
8:00 am - 7:18 pmCUN-ONT
13h 18m1 stop
$426Volaris
Find Deal
Tue, Jul 1 - Sun, Jul 6
United Airlines Logo
6:36 pm - 10:04 amONT-CUN
13h 28m2 stops
United Airlines Logo
1:04 pm - 10:53 pmCUN-ONT
11h 49m1 stop
$437United Airlines
Find Deal
Mon, Aug 25 - Sat, Aug 30
American Airlines Logo
11:59 pm - 1:13 pmONT-CUN
11h 14m2 stops
American Airlines Logo
7:50 am - 6:23 pmCUN-ONT
12h 33m2 stops
$442American Airlines
Find Deal
Sat, May 3 - Sat, May 10

Frontier flights from Ontario to Cancún

Our best Frontier deals on Ontario to Cancún flight tickets
Frontier
Jul 14
ONT12:59 amOntario
12h 21m
1 stop
CUN3:20 pmCancun
Jul 18
CUN3:25 pmCancun
19h 35m
1 stop
ONT9:00 amOntario
Frontier
Apr 18
ONT12:49 amOntario
10h 39m
1 stop
CUN1:28 pmCancun
Apr 24
CUN3:35 pmCancun
10h 24m
1 stop
ONT11:59 pmOntario
Frontier
Apr 16
ONT12:59 amOntario
10h 29m
1 stop
CUN1:28 pmCancun
Apr 24
CUN3:35 pmCancun
10h 24m
1 stop
ONT11:59 pmOntario

Southwest flights from Ontario to Cancún

Our best Southwest deals on Ontario to Cancún flight tickets
Southwest
May 5
ONT5:35 amOntario
6h 50m
1 stop
CUN2:25 pmCancun
May 13
CUN2:50 pmCancun
9h 40m
1 stop
ONT10:30 pmOntario
Southwest
May 5
ONT9:05 pmOntario
15h 45m
2 stops
CUN2:50 pmCancun
May 13
CUN2:50 pmCancun
9h 40m
1 stop
ONT10:30 pmOntario
Southwest
Apr 18
ONT9:05 pmOntario
14h 05m
2 stops
CUN1:10 pmCancun
Apr 21
CUN3:55 pmCancun
9h 05m
2 stops
ONT11:00 pmOntario

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 February, then you should wait until April to fly from Ontario, when ticket prices are also cheap, with an average price of $498.

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

The cheapest day to depart from Ontario to Cancún is on a Tuesday when prices can be found for as low as $504. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $625. 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 afternoon. Flights from Ontario to Cancún during this time can be as low as $270. Flights to Cancún are more costly in the evening, with an average ticket price of $595. 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 10 weeks ahead of your departure date. In general, you can expect to find flights to Cancún for around $537 when searching 10 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 $457 on momondo.

How have Ontario to Cancún flight prices changed over time?

As of April 2025, prices for Ontario to Cancún flights are approximately 77% 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

Best Price Found

$128

Fastest flight time

6h 33m

Direct flights

None

Airports in Cancún

1 airport
The best one-way flight to Cancún from Ontario in the past 72 hours is $128. The best round-trip flight deal from Ontario to Cancún found on momondo in the last 72 hours is $314.
The fastest flight from Ontario to Cancún takes 6h 33m
There are no direct flights from Ontario to Cancún. Popular non-direct route for this connection is Ontario Airport - Cancun Airport.
There is 1 airport near Cancún: Cancun (CUN)

  • 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 6h 50m.

  • 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
FrontierPriceFrom $270Free CancellationRating
5.9
3,276 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $286Free CancellationRating
8.0
9,836 reviews
Search Alaska Airlines flights
VivaPriceFrom $286Free CancellationRating
6.9
785 reviews
Search Viva flights
VolarisPriceFrom $339Free CancellationRating
6.7
1,169 reviews
Search Volaris flights
AviancaPriceFrom $340Free CancellationRating
6.7
2,304 reviews
Search Avianca flights
DeltaPriceFrom $356Free CancellationRating
8.0
7,897 reviews
Search Delta flights
United AirlinesPriceFrom $428Free CancellationRating
7.4
8,618 reviews
Search United Airlines flights
American AirlinesPriceFrom $430Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $460Free CancellationRating
8.0
4,276 reviews
Search Southwest 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
Puerto Morelos
Holbox
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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