Cheap Flights from Ontario International to Cancun

Compare Ontario International to Cancun flight deals

Find the cheapest month or even day of the year to fly to Cancun

Book the best Cancun fare with no extra fees

Flight deals from Ontario International Airport to Cancun Airport

Looking for a cheap last-minute deal or the best return flight from Ontario International Airport to Cancun Airport? If you want to travel next month, return fares start from R 6,328. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Ontario International to Cancun

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Ontario International to Cancun flights are currently cheapest in July.

Ontario International to Cancun: Alternative routes

Compare routes from Ontario International to Cancun below. You may find an airport to fly into that's cheaper, faster, or easier than Cancun.

Ontario to Cancun: Flight information

The things to know before you go.
Cheapest flight foundR 2,073
Cheapest month to flyJuly

Finding cheap flights from Ontario International to Cancun: Frequently asked questions

The best price we found for a return flight from Ontario International to Cancun is R 5,274. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Ontario International to Cancun. But we found flights with one or more stops from R 5,274.
As of March 2026, there are no flights flying from Ontario International to Cancun.
The cheapest month to fly from Ontario International to Cancun is usually May.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Ontario International Airport to Cancun Airport on Sunday, 3 May 2026.
No airlines currently offer direct flights between Ontario International Airport and Cancun Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Cancun but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Cancun is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Volaris offers the cheapest flight tickets to Cancun.

Travelling from Ontario International Airport (ONT) to Cancun International Airport (CUN): what you need to know

  • Cancun's timezone is UTC-5, making Cancun two hours ahead of Ontario.

  • To ensure you catch your ONT to CUN flight, leave plenty of time to check in and find your gate. Turning up two hours ahead of international departures and one hour before domestic flights is the general travel rule.

  • During popular months such as August, it's a good idea to get to the airport earlier than normal. Arrive two hours before a domestic departure and four hours ahead for international flights when you fly during peak periods in general.

  • If you want to explore another city along the way, simply deselect 'Direct flights only' when searching for your ticket from Ontario International Airport to Cancun International Airport. These are the top stopovers between ONT and CUN:

    • Austin-Bergstrom International Airport

    • Phoenix Sky Harbour International Airport

    • George Bush Intercontinental Airport

How to find the cheapest flights from Ontario International Airport (ONT) to Cancun International Airport (CUN)

  • R 2,073 is the lowest price for a one-way Ontario International Airport to Cancun International Airport flight. A return flight starts at R 5,274. These fares can change depending on availability.

  • To get your hands on cheap tickets from ONT to CUN, book as early as you can. Airlines usually offer their best fares when flights are first released.

  • If you're flexible with your travel plans, use the 'Whole month' search tool. It'll give you the cheapest price in every month when looking for your flight from Ontario International Airport to Cancun International Airport.

  • You don't need to check every day to find out if fares have dropped when you set up a Price Alert. We'll send you an update the moment the price changes on cheap flights from ONT to CUN.

  • Pick your preferred arrival and departure times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to find the best deals on flights from Ontario International Airport to Cancun International Airport.

Handy information about Ontario International Airport (ONT)

  • The address for ONT is 2900 E. Airport Drive.

  • Ontario International Airport earns top marks for its on-time performance. 83.6% of flights that depart ONT arrive at their destination as scheduled.

  • To reach Ontario International Airport from central Ontario, it takes around 10 minutes by car. Of course, this depends on traffic. It's approximately 6 kilometres from the airport to the city centre.

  • You can expect a trip time of around 1 hour 30 minutes on public transport.

  • Need a convenient hotel near ONT? If you've booked an early flight from Ontario International Airport to Cancun International Airport, these stays will have you moments from your check-in counter:

Arriving at Cancun International Airport (CUN)

  • If you're coming in on a late Ontario International Airport to Cancun International Airport flight, nothing beats the convenience of being near the terminal. Grab your bags from the carousel and then be showered and sleeping soon after at one of these hotels near CUN:

  • Travel at your own pace with a Cancun International Airport rental car. Book your wheels from MEX, America or Europcar and chase adventure across Cancun and beyond.

  • Reserving your vehicle from Cancun International Airport around three weeks ahead can help you secure the lowest rate.

Getting from Cancun International Airport (CUN) to central Cancun

  • From Cancun International Airport, Cancun is approximately 19 kilometres away. It takes around 25 minutes to reach the centre by car.

When to fly to Cancun International Airport (CUN)

  • July is the most popular month for flights from Ontario International Airport to Cancun International Airport. To skip the crowds, visit Cancun in May.

  • When reserving your flight from Ontario International Airport to Cancun International Airport, consider the kind of weather you enjoy. August is the warmest month in Cancun, with the temperature ranging from 26ºC (79ºF) to 32ºC (90ºF).

  • For cooler conditions, search for a cheap ticket from ONT to CUN in January. Temperatures average between 20ºC (68ºF) and 27ºC (81ºF) then.

Explore more of Mexico

  • You've done Cancun, now it's time to discover other corners of Mexico. Journey about 290 kilometres west to Merida to tick off its top sights. From P. ANDADOR NVA. CHICHEN ITZA to Pre Hispanic Town Of Uxmal and El Palacio de Gobierno, there's plenty to keep you on the go.

  • If you're looking to explore another great destination in Mexico, head for Campeche, roughly 418 kilometres west of Cancun. Campeche Waterfront Promenade, Zona Arquelogica Edzna and Centro Historico de San Francisco de Campeche are key reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.