Search for cheap flights and last-minute deals with Netflights. We've scanned all the flights from London Heathrow to Merida Mexico, across the four airlines that offer this route. We've found that 09 / Oct / 2025 is the cheapest date to travel at the moment, but it's best to go through the results to see which flight suits you.
There are 20 flights from London Heathrow to or via Merida Mexico every week. Out of the four available airlines, the most popular ones are American Airlines, Aeromexico & KLM. But that doesn’t necessarily mean they’ll be the best option for your travel dates. To see as many flights as possible, try widening your search to include other departure airports.
The distance between London Heathrow to Merida Mexico is 8155 km. Normally, it takes about 20 hrs 20 mins to fly, and you can definitely expect the journey to be at least 15 hrs 35 mins. You can see the various flight times in the results.
You can also search by month, which will reveal the cheapest time of the week to fly.
