Cheap flights from London Heathrow Airport to Mexico City from $638

The cheapest month to fly to Mexico City from London Heathrow Airport is in January. Flight prices, which tend to average around $489, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Mexico City from London Heathrow Airport during February instead. Flights to Mexico City in February, while not as cheap as those in January, still average around $831.

Our data shows that Thursday is the least expensive day to fly to Mexico City. Tickets to fly out on this day can be as low as $1,046. On the other hand, Saturday is the most expensive day to depart from London Heathrow Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,455.

According to our data, the cheapest time of day to fly to Mexico City is in the evening. momondo users have found flights departing from London Heathrow Airport to Mexico City in the evening for as low as $1,300. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Mexico City, so prices are often more expensive at around $1,556 per ticket.

Fly from London Heathrow to Mexico City Benito Juarez for the best London Heathrow - Mexico City Benito Juarez flight prices

You are more likely to see cheaper flights to Mexico City from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Mexico City for around $1,038 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Mexico City from London Heathrow Airport for as low as $705 on momondo.

There are 3 cabin classes available to choose from on London Heathrow Airport to Mexico City flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 7% on your flight if you consider stops on a London Heathrow Airport to Mexico City flight.

As of July 2026, prices for London Heathrow Airport to Mexico City flights are approximately 29% more expensive when compared to flights at the same time last year.

Historically, on average around 12% of flights between London and Mexico City have experienced a delay on any given week. The average delay length over the past 12 months has been 132 minutes.

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

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

Dallas (DFW) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

Flights via Frankfurt am Main (FRA) offer the lowest average round-trip price of $894.

Flights connecting via Frankfurt am Main (FRA) have the shortest average one-way travel time: 15h 00m.

Dallas (DFW) has the shortest average layover time for this route: 3h 07m.

As of July 2026, 3 flights take off from London Heathrow Airport and land in Mexico City each day. The most common flight departure time for this route is 10:00PM, with 62% of daily flights taking off in the evening.

As of July 2026, 24 flights take off from London Heathrow Airport and land in Mexico City each week. The most common flight departure day for this route is Mon, with 21% of weekly flights taking off on this day.