Cheap flights from London to Tokyo from £343

In general, December is the cheapest month to fly from London to Tokyo Narita Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £552. If you’re not able to fly to Tokyo Narita Airport in December, then May is your next best option. Flight prices from London to Tokyo Narita Airport during May average around £556.

You are more likely to see cheaper flights to Tokyo Narita Airport from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Tokyo Narita Airport for around £863 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Tokyo Narita Airport from London for as low as £722 on momondo.

You could potentially save up to 1% on your flight if you consider stops on a London to Tokyo Narita Airport flight.

As of February 2026, prices for London to Tokyo Narita Airport flights are approximately 61% more expensive when compared to flights at the same time last year.

Shenzhen Airlines, China Eastern, and KLM are the most popular carriers operating from London to Tokyo Narita

Air China, China Eastern and Cathay Pacific are the top three most popular airlines that fly to Tokyo Narita Airport from London according to our data. Air China is the first choice among our users, with 35% of people opting to fly with this airline when travelling to Tokyo Narita Airport. Keep in mind that there are 15 different airlines that fly to Tokyo Narita Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 75% 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 93 minutes.

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

Thursday is statistically the day of the week that experiences the fewest delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

Shanghai (PVG) was the most common stop: 40% of momondo users choosing one-stop flights on this route connected there.

Flights via Shanghai (PVG) offer the lowest average return price of £487.

Flights connecting via Beijing (PEK) have the shortest average one-way travel time: 15h 03m.

Incheon (ICN) has the shortest average stopover time for this route: 0h 55m.