Cheap flights from London Heathrow Airport to Tokyo from $449

The cheapest month to fly to Tokyo from London Heathrow Airport is in January. Flight prices, which tend to average around $1,062, are often lower during this time because this is during the off-season. If you’re not able to fly to Tokyo in January, then November is your next best option. Flight prices from London Heathrow Airport to Tokyo during November average around $1,176.

The cheapest day to depart on your flight to Tokyo is on a Monday when prices can be found for as low as $1,511. This is often the case because there is less demand to fly during this day of the week. Flights from London Heathrow Airport to Tokyo on a Friday will generally be more expensive and average around $1,739. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

In the evening is the cheapest time of day to fly from London Heathrow Airport to Tokyo when you can find flight prices for as low as $1,543. Flying to Tokyo in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Tokyo is at noon when prices are around $1,802.

Fly from London Heathrow to Tokyo Haneda for the best London Heathrow - Tokyo flight prices

You are more likely to see cheaper flights to Tokyo from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Tokyo for around $1,202 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Tokyo from London Heathrow Airport for as low as $987 on momondo.

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

Shenzhen Airlines, Vietnam Airlines, and Cathay Pacific are the most popular carriers operating from London Heathrow to Tokyo

Japan Airlines, British Airways and ANA are the top three most popular airlines that fly to Tokyo from London Heathrow Airport according to our data. Japan Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Tokyo. Keep in mind that there are 3 different airlines that fly to Tokyo on a routine basis, so you have a few additional options to choose from.

Historically, on average around 11% of flights between London and Tokyo have experienced a delay on any given week. The average delay length over the past 12 months has been 127 minutes.

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

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, Japan Airlines have had the least number of delays on this route over the last 12 months; with about 8% of their flights experiencing any sort of delay.

Beijing (PEK) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Flights via Shanghai (PVG) offer the lowest average round-trip price of $691.

Flights connecting via Beijing (PEK) have the shortest average one-way travel time: 14h 50m.

Copenhagen (CPH) has the shortest average layover time for this route: 1h 53m.

As of September 2026, there are 13 flights per day flying from London Heathrow Airport to Tokyo. The most common time of day flights depart is 9:00AM, with 44% of flights taking off at noon.

As of September 2026, there are 95 flights per week flying from London Heathrow Airport to Tokyo. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.