Cheap flights from London to Cancún from $318

If you don’t want to visit Cancún in January, then you should wait until November to fly from London, when ticket prices are also cheap, with an average price of $728.

The cheapest day to depart from London to Cancún is on a Monday when prices can be found for as low as $772. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,142. These prices are subject to change though, so be sure to set up a Price Alert for flights to Cancún.

Our most recent data shows that the best time of day to fly to Cancún is in the morning. Flights from London to Cancún during this time can be as low as $817. Flights to Cancún are more costly in the afternoon, with an average ticket price of $1,958. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from London Gatwick 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 $886 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Cancún from London for as low as $667 on momondo.

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

As of May 2026, prices for London to Cancún flights are approximately 28% more expensive when compared to flights at the same time last year.

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 121 minutes.

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

Wednesday is statistically the day of the week which experiences the fewest number of 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 least number of delays on this route over the last 12 months; with about 9% of their flights experiencing any sort of delay.

Dallas (DFW) was the most common stop: 33% of momondo users choosing 1-stop flights on this route connected there.

Flights via Dallas (DFW) offer the lowest average round-trip price of $865.

Flights connecting via Toronto (YYZ) have the shortest average one-way travel time: 13h 35m.

Atlanta (ATL) has the shortest average layover time for this route: 1h 42m.