Cheap flights from London Heathrow Airport to Japan from £285
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Japan departing on 24/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from London Heathrow Airport to Japan
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Japan?
The cheapest month to fly to Japan from London Heathrow Airport is in November. Flight prices, which tend to average around £650, are often lower during this time because this is during the off-season. If you don’t want to visit Japan in November, then you should wait until February to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of £702.
What is the cheapest day to depart on your flight to Japan?
The cheapest day to depart from London Heathrow Airport to Japan is on a Tuesday when prices can be found for as low as £1,020. On the other hand, Saturday is the most expensive day to depart from London Heathrow Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £1,093.
What is the cheapest time of day to depart on your flight to Japan?
Our data shows that the cheapest London Heathrow Airport to Japan flights are usually those with departure times in the morning. Our users have found flights to Japan in the morning for as low as £1,012. In the afternoon is when there is more demand to fly to Japan, so prices are often more expensive at around £1,212 per ticket.
What is the cheapest London Heathrow to Japan flight route?
Fly from London Heathrow to Tokyo Haneda for the best London Heathrow - Japan flight prices
How far in advance should I book a flight to Japan?
You are more likely to see cheaper flights to Japan from London Heathrow Airport when booking 18 weeks ahead of your departure date. In general, you can expect to find flights to Japan for around £826 when searching 18 weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Japan from London Heathrow Airport for as low as £644 on momondo.
What cabin class options are available on London Heathrow to Japan flights?
There are 4 cabin classes available to choose from on London Heathrow to Japan flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from London Heathrow to Japan?
China Eastern, China Southern, and Shenzhen Airlines are the most popular carriers operating from London Heathrow to Japan
Which airlines fly to Japan?
British Airways, Air China and China Eastern are the top three most popular airlines that fly to Japan from London Heathrow Airport 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 Japan. Keep in mind that there are 26 different airlines that fly to Japan on a routine basis, so you have a few additional options to choose from.
How many flights depart from London Heathrow Airport to Japan on average per day?
14 flights are operational daily from London Heathrow Airport to Japan as of June 2025. The most popular departure time for this route is 09:00, with 43% of flights per day taking off at midday.
How many flights depart from London Heathrow Airport to Japan on average per week?
As of June 2025, there are 98 flights per week flying from London Heathrow Airport to Japan. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.
Cheap London Heathrow Airport to Japan flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Japan
When did momondo last update prices for flights from London Heathrow Airport to Japan?
Prices for flights from London Heathrow Airport to Japan are refreshed on a daily basis.
How many operators does momondo search for flights from London Heathrow Airport to Japan?
As of June 2025, there are 26 operators available to choose from for flights from London Heathrow Airport to Japan.
How old do you have to be to fly from London Heathrow Airport to Japan?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Japan.
What documentation or ID do you need to fly to Japan?
The required travel and health documents for your Japan trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Japan. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from London Heathrow Airport to Japan?
Based on momondo bookings for flights between London Heathrow Airport and Japan, the leading plane model is Airbus A350-1000, making up 34.74% of the total bookings. Other popular models include Boeing 787-9 Dreamliner with 29.44%, Boeing 787-8 Dreamliner with 24.74%, and Boeing 777-300ER with 10.07%.
Best airlines flying from London Heathrow Airport to Japan
Compare and see reviews for airlines that fly from London Heathrow Airport to Japan with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £407 | Free Cancellation | Rating 7.5 99 reviews | |||
| PriceFrom £419 | Free Cancellation | Rating 6.7 13 reviews | |||
| PriceFrom £443 | Free Cancellation | Rating 7.6 1,292 reviews | |||
| PriceFrom £523 | Free Cancellation | Rating 7.5 1,466 reviews | |||
| PriceFrom £547 | Free Cancellation | Rating 8.2 441 reviews | |||
| PriceFrom £572 | Free Cancellation | Rating 7.3 1,394 reviews | |||
| PriceFrom £614 | Free Cancellation | Rating 5.5 2,915 reviews | |||
| PriceFrom £636 | Free Cancellation | Rating 7.8 1,365 reviews | |||
| PriceFrom £652 | Free Cancellation | Rating 7.6 1,081 reviews | |||
| PriceFrom £670 | Free Cancellation | Rating 7.4 1,215 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from London to Japan?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Japan . Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from London to Japan with flexible booking policies on momondo?
momondo does allow users to show only those flights to Japan from London which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from London to Japan?
momondo provides multiple filters to help you find the best flight to Japan from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from London to Japan right now. Can momondo alert me if prices change?
Price alerts on flights to Japan from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.