Cheap flights from London Heathrow Airport to Tokyo from £340

The month of January is, on average, the cheapest month to fly to Tokyo from London Heathrow Airport, with most prices found around £799. If you aren’t able to travel during the month of January, then book flights to Tokyo from London Heathrow Airport during February instead. Flights to Tokyo in February, while not as cheap as those in January, still average around £899.

On average, the least expensive day to fly to Tokyo from London Heathrow Airport is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as £1,212. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around £1,363. These prices are subject to change though, so be sure to set up a Price Alert for flights to Tokyo.

Our most recent data shows that the best time of day to fly to Tokyo is in the afternoon. Flights from London Heathrow Airport to Tokyo during this time can be as low as £1,195. Flights to Tokyo are more costly at midday, with an average ticket price of £1,391. Departure times at midday fall within the peak daily travel times, which is why tickets can be more expensive.

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 £901 when searching weeks before you fly. 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 £740 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, ITA Airways, and Air Astana are the most popular carriers operating from London Heathrow to Tokyo

Japan Airlines, British Airways and Air China 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 49% of people opting to fly with this airline when travelling to Tokyo. Keep in mind that there are 24 different airlines that fly to Tokyo on a routine basis, so you have a few additional options to choose from.

Historically, on average around 10% 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 departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Tuesday 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, Japan Airlines have had the fewest delays on this route over the last 12 months, with about 8% of their flights experiencing any sort of delay.

Hong Kong (HKG) was the most common stop: 19% of momondo users choosing one-stop flights on this route connected there.

Flights via Beijing (PEK) offer the lowest average return price of £569.

Flights connecting via Beijing (PEK) have the shortest average one-way travel time: 15h 18m.

Warsaw (WAW) has the shortest average stopover time for this route: 1h 13m.

As of October 2026, 13 flights take off from London Heathrow Airport and land in Tokyo each day. The most common flight departure time for this route is 19:00, with 43% of daily flights taking off at midday.

As of October 2026, there are 97 flights per week flying from London Heathrow Airport to Tokyo. The most common day of the week flights depart is Tue, with 14% of flights taking off on this day.