Cheap flights from London Heathrow Airport to Mexico from £279

The month of September is, on average, the cheapest month to fly to Mexico from London Heathrow Airport, with most prices found around £280. The month of August is another great option to travel to Mexico, with average flight prices from London Heathrow Airport averaging around £314.

On average, the least expensive day to fly to Mexico from London Heathrow Airport is on a Thursday. momondo users have found tickets for Thursday departures for as low as £706. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Mexico on Sunday is £881.

According to our data, the cheapest time of day to fly to Mexico is in the morning. momondo users have found flights departing from London Heathrow Airport to Mexico in the morning for as low as £745. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Mexico is in the evening when prices are around £826.

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

You are more likely to see cheaper flights to Mexico from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Mexico for around £720 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Mexico from London Heathrow Airport for as low as £609 on momondo.

Avianca, British Airways, and Aeromexico are the most popular carriers operating from London Heathrow to Mexico

Aeromexico, British Airways and Virgin Atlantic are the top three most popular airlines that fly to Mexico from London Heathrow Airport according to our data. Aeromexico is the first choice among our users, with 45% of people opting to fly with this airline when travelling to Mexico. Keep in mind that there are 14 different airlines that fly to Mexico on a routine basis, so you have a few additional options to choose from.

Historically, on average around 11% of flights between London and Mexico have experienced a delay on any given week. The average delay length over the past 12 months has been 130 minutes.

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

Sunday 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, Aeromexico have had the fewest delays on this route over the last 12 months, with about 3% of their flights experiencing any sort of delay.

As of April 2026, 3 flights take off from London Heathrow Airport and land in Mexico each day. The most common flight departure time for this route is 22:00, with 53% of daily flights taking off in the evening.

As of April 2026, there are 25 flights per week flying from London Heathrow Airport to Mexico. The most common day of the week flights depart is Mon, with 20% of flights taking off on this day.