Cheap flights from London to Tokyo from €423

In general, November is the cheapest month to fly from London to Tokyo. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around €642. If you aren’t able to travel during the month of November, then book flights to Tokyo from London during May instead. Flights to Tokyo in May, while not as cheap as those in November, still average around €693.

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

You are more likely to see cheaper flights to Tokyo from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Tokyo for around €1,024 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 for as low as €828 on momondo.

There is only 1 cabin class available to choose from on London to Tokyo 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 73% on your flight if you consider stops on a London to Tokyo flight.

As of March 2026, prices for London to Tokyo flights are approximately 2% more expensive when compared to flights at the same time last year.

Historically, on average around 12% 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 at night 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. Sunday 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.

Shanghai (PVG) was the most common stop: 63% of momondo users choosing one-stop flights on this route connected there.

Flights via Zhengzhou (CGO) offer the lowest average return price of €512.

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

Beijing (PEK) has the shortest average stopover time for this route: 2h 55m.