Cheap flights from Tokyo to London from $547

The month of March is, on average, the cheapest month to fly to London Heathrow Airport from Tokyo, with most prices found around $439. If you aren’t able to travel during the month of March, then book flights to London Heathrow Airport from Tokyo during January instead. Flights to London Heathrow Airport in January, while not as cheap as those in March, still average around $591.

Our data shows that Monday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $2,911. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Tokyo to London Heathrow Airport for around $3,271.

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

You could potentially save up to 66% on your flight if you consider stops on a Tokyo to London Heathrow Airport flight.

As of May 2026, prices for Tokyo to London Heathrow Airport flights are approximately 10% cheaper when compared to flights at the same time last year.

Historically, on average around 14% of flights between Tokyo and London have experienced a delay on any given week. The average delay length over the past 12 months has been 113 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, Japan Airlines have had the fewest delays on this route over the last 12 months, with about 12% of their flights experiencing any sort of delay.