Cheap flights from Ireland to Cancún from £312

The cheapest month to fly to Cancún from Ireland is in January. Flight prices, which tend to average around £552, are often lower during this time because this is during the off-season. If you don’t want to visit Cancún in January, then you should wait until March to fly from Ireland, when ticket prices are also cheap, with an average price of £580.

The cheapest day to depart from Ireland to Cancún is on a Thursday. Travellers who choose to depart for Cancún on a Thursday will often find tickets for as low as £552. Flights from Ireland to Cancún on a Saturday will generally be more expensive and average around £750. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

At midday is the cheapest time of day to fly from Ireland to Cancún when you can find flight prices for as low as £695. Flying to Cancún at midday is an ideal time because this is during off-peak travel hours. Flights in the afternoon are often more expensive, with an average ticket price of £699.

Fly from Dublin to Cancun for the best Ireland - Cancun flight prices

You are more likely to see cheaper flights to Cancún from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Cancún for around £671 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Cancún from Ireland for as low as £592 on momondo.

There are 2 cabin classes available to choose from on Ireland to Cancun flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

WestJet is the most popular carrier operating from Ireland to Cancun

Aer Lingus, United Airlines and American Airlines are the top three most popular airlines that fly to Cancún from Ireland according to our data. Aer Lingus is the first choice among our users, with 56% of people opting to fly with this airline when travelling to Cancún. Keep in mind that there are 5 different airlines that fly to Cancún on a routine basis, so you have a few additional options to choose from.

Historically, on average around 6% of flights between Ireland and Cancún have experienced a delay on any given week. The average delay length over the past 12 months has been 18 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing in the morning have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

According to our data, TUI fly have had the fewest delays on this route over the last 12 months, with about 17% of their flights experiencing any sort of delay.

As of April 2026, 3 flights take off from Ireland and land in Cancún each week. The most common flight departure day for this route is Wed, with 33% of weekly flights taking off on this day.

Flight times from Ireland to Cancún vary, but if you’re flying out of Dublin and flying into Cancún (one of the most popular routes), then the duration is 17h 45m on average. Another popular route from Ireland to Cancún is flying from Shannon to Cancún, which will take roughly 31h 55m. Keep in mind that layovers or delays could extend your travel time.