Cheap flights from Japan to London from £263

The cheapest month to fly to London from Japan is in November. Flight prices, which tend to average around £763, are often lower during this time because this is during the off-season. The month of May is another great option to travel to London, with average flight prices from Japan averaging around £772.

Our data shows that Wednesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £1,046. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Japan to London for around £1,322.

The cheapest time of day to fly to London is at midday when flights can be purchased for as low as £1,185. Flights in the evening are often more expensive, with an average ticket price of £1,453.

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

There are 3 cabin classes available to choose from on Japan to London 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 16% on your flight if you consider stops on a Japan to London flight.

Qatar Airways, China Southern, and Shenzhen Airlines are the most popular carriers operating from Japan to London

British Airways, China Eastern and Cathay Pacific are the top three most popular airlines that fly to London from Japan according to our data. British Airways is the first choice among our users, with 33% of people opting to fly with this airline when travelling to London. Keep in mind that there are 5 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

Historically, on average around 12% of flights between Japan and London have experienced a delay on any given week. The average delay length over the past 12 months has been 125 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.

Wednesday 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, ANA have had the fewest delays on this route over the last 12 months, with about 9% of their flights experiencing any sort of delay.

12 flights are operational daily from Japan to London as of October 2026. The most popular departure time for this route is 09:00, with 58% of flights per day taking off at midday.

As of October 2026, 84 flights take off from Japan and land in London each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.