Cheap flights from London to Cancún from £210

The cheapest month to fly to Cancún from London is in February. Flight prices, which tend to average around £519, are often lower during this time because this is during the off-season. If you don’t want to visit Cancún in February, then you should wait until September to fly from London, when ticket prices are also cheap, with an average price of £561.

The cheapest day to depart from London to Cancún is on a Tuesday. Travellers who choose to depart for Cancún on a Tuesday will often find tickets for as low as £498. Flights from London to Cancún on a Saturday will generally be more expensive and average around £721. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

In the morning is the cheapest time of day to fly from London to Cancún when you can find flight prices for as low as £561. Flying to Cancún in the morning 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 £704.

Fly from London Heathrow to Cancun for the best London - Cancun flight prices

You are more likely to see cheaper flights to Cancún from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Cancún for around £682 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 London for as low as £492 on momondo.

There are 4 cabin classes available to choose from on London to Cancún flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between London to Cancún.

As of July 2026, prices for London to Cancún flights are approximately 8% more expensive when compared to flights at the same time last year.

British Airways, Air Europa, and Air Canada are the most popular carriers operating from London to Cancun

British Airways, Virgin Atlantic and TUI Airways are the top three most popular airlines that fly to Cancún from London according to our data. British Airways is the first choice among our users, with 37% of people opting to fly with this airline when travelling to Cancún. Keep in mind that there are 15 different airlines that fly to Cancún on a routine basis, so you have a few additional options to choose from.

Historically, on average around 18% of flights between London and Cancún have experienced a delay on any given week. The average delay length over the past 12 months has been 138 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.

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

According to our data, Virgin Atlantic have had the fewest delays on this route over the last 12 months, with about 10% of their flights experiencing any sort of delay.

Mexico City (MEX) was the most common stop: 31% of momondo users choosing one-stop flights on this route connected there.

Flights via Dublin (DUB) offer the lowest average return price of £524.

Flights connecting via Montreal (YUL) have the shortest average one-way travel time: 13h 22m.

Mexico City (MEX) has the shortest average stopover time for this route: 1h 48m.