Cheap Flights from Ontario Intl. Airport (ONT) to Cancun (CUN)

You can find one-way and return flights from ONT to CUN with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when ONT to CUN ticket fares go up or down.

The cheapest months to fly from Ontario Intl. Airport (ONT) to Cancun, Quintana Roo (CUN) are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.

Enter ONT to CUN and your travel dates, then apply the 'Nonstop' filter to see only direct flights.

To find a cheap flight from Ontario Intl. Airport (ONT) to Cancun, Quintana Roo (CUN), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

The best time to fly from Ontario Intl. Airport (ONT) to Cancun, Quintana Roo (CUN-Cancun Intl.) is typically September. This month offers a great balance, as it's one of the cheapest months to fly, with average return flights around AU$660, and it's also a popular time to travel, meaning you'll have plenty of flight options. If you're flexible, September gives you both affordable fares and excellent flight schedules to work with.

There are approximately 58 connecting flights per day from Ontario Intl. Airport (ONT) to Cancun, Quintana Roo (CUN-Cancun Intl.). Some common connection points include Dallas-Fort Worth Intl. (DFW), Denver Intl. (DEN), and Salt Lake City Intl. (SLC).

The earliest flight from Ontario Intl. Airport (ONT) to Cancun, Quintana Roo (CUN-Cancun Intl.) typically departs around 12:25 AM local time, operated by Volaris. This is a seasonal service, active only in March. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

You'll typically find the most flights from Ontario Intl. Airport (ONT) to Cancun, Quintana Roo (CUN) on a Thursday, with around 39 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Southwest Airlines, United, and Delta. Flight schedules are quite consistent throughout the week, so you'll have plenty of options no matter which day you choose to fly.

The most popular departure times for flights from Ontario Intl. Airport (ONT) to Cancun, Quintana Roo (CUN-Cancun Intl.) are in the early morning, from 6am to 9am. Many major carriers, including American Airlines, Delta and United, offer flights during this window. Many travellers prefer these times because it allows for an early arrival at your destination, giving you more time to enjoy your trip.

There are no nonstop flights from Ontario Intl. Airport (ONT) to Cancun, Quintana Roo (CUN-Cancun Intl.). Flights with one stop typically take around 11 hours 18 minutes, covering a distance of approximately 3,340 kilometres. If you have two or more stops, your travel time will be longer, usually around 15 hours 18 minutes. Keep in mind that these are average times, and your actual flight duration can vary depending on the specific routing, layover times, and even weather conditions.

Yes, you can fly business class or first class between Ontario Intl. Airport (ONT) and Cancun, Quintana Roo (CUN).

Airlines that offer business class service on this route include:

* Frontier Airlines
* United
* Delta

First class cabins are available on Alaska Airlines.

It's easy to earn miles on a Ontario Intl. Airport (ONT) to Cancun, Quintana Roo (CUN-Cancun Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

If you're planning to travel to Cancun from Los Angeles - Ontario Intl. (ONT), you can fly directly into Cancun Intl. (CUN). Some flights may connect through major hubs like Portland Intl. (PDX), Seattle - Tacoma Intl. (SEA), or Sky Harbor Intl. (PHX) before reaching Cancun. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Typically, booking a last minute flight from Ontario Intl. Airport (ONT) to Cancun, Quintana Roo (CUN-Cancun Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Securing a Ontario Intl. Airport (ONT) to Cancun, Quintana Roo (CUN-Cancun Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

If you booked your Ontario Intl. Airport (ONT) to Cancun, Quintana Roo (CUN) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.