£179 Find Cheap Flights from Japan to London Heathrow Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Heathrow departing on 4/12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to London Heathrow Airport

 
These are the airlines KAYAK users have selected most often from within our search results for flights to London, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results for flights to London, as well as popular online travel agencies
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Cheap Flights from Japan to Heathrow

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Japan to Heathrow that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Japan to Heathrow

Mon, 10 Nov - Fri, 21 Nov
China Southern Logo
14:25 - 18:35KIX-LHR
37h 10m1 stop
China Southern Logo
21:30 - 13:55LHR-KIX
31h 25m1 stop
£424China Southern
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Tue, 4 Nov - Tue, 20 Jan
China Southern Logo
15:25 - 17:55KIX-LHR
35h 30m1 stop
China Southern Logo
21:30 - 13:55LHR-KIX
31h 25m1 stop
£481China Southern
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Sun, 26 Oct - Sun, 2 Nov
Air China Logo
14:10 - 15:55FUK-LHR
34h 45m2 stops
Air China Logo
20:25 - 13:05LHR-FUK
31h 40m2 stops
£554Air China
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Wed, 22 Oct - Sun, 26 Oct
Air China Logo
14:15 - 20:30NGO-LHR
38h 15m1 stop
Air China Logo
17:40 - 13:05LHR-NGO
34h 25m1 stop
£574Air China
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Fri, 24 Oct - Fri, 31 Oct
Asiana Airlines Logo
11:30 - 18:50FUK-LHR
39h 20m1 stop
Asiana Airlines Logo
20:10 - 14:00LHR-FUK
32h 50m1 stop
£689Asiana Airlines
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Sat, 10 Jan - Sat, 24 Jan
Asiana Airlines Logo
19:25 - 18:05NRT-LHR
31h 40m1 stop
Asiana Airlines Logo
20:10 - 11:20LHR-NRT
30h 10m1 stop
£705Asiana Airlines
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Wed, 18 Feb - Thu, 26 Feb
British Airways Logo
07:05 - 19:10ITM-LHR
21h 05m1 stop
British Airways Logo
11:45 - 13:50LHR-ITM
17h 05m1 stop
£935British Airways
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Wed, 18 Feb - Thu, 26 Feb
British Airways Logo
07:05 - 15:35ITM-LHR
17h 30m1 stop
British Airways Logo
09:05 - 13:50LHR-ITM
19h 45m1 stop
£935British Airways
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Wed, 18 Feb - Thu, 26 Feb
ANA Logo
16:50 - 07:45ITM-LHR
23h 55m2 stops
ANA Logo
19:00 - 07:30LHR-ITM
27h 30m1 stop
£989ANA
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Thu, 5 Mar - Mon, 9 Mar
ANA Logo
07:35 - 20:50HIJ-LHR
22h 15m2 stops
ANA Logo
07:30 - 15:10LHR-HIJ
22h 40m2 stops
£1,099ANA
Find Deal

Everything you should know

Top airlines
Japan Airlines
Most flights • 14 per week
ANA
Best reviews • 8.4 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Top routes
KIX-LHR
Cheapest
HND-LHR
Most popular
Insights
Insights
Insights
Insights
When to travel
November
Cheapest • 19% price drop
December
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Cheapest return fare
£424
Typical prices: £737-926
China Southern
Mon 10/11Fri 21/11
KIX - LHR • 1 stop
Cheapest direct flights
£741
Typical prices: £877-991
ANA
Mon 9/2Mon 16/2
HND - LHR • Direct
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Heathrow!
Booking Insights

KAYAK's insights & trends for flights to Heathrow

Get data-powered insights and trends into flights to Heathrow to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest flight to London Heathrow Airport?

These are the best round-trip prices found by users searching on KAYAK in the last 72 hours.

In the last 3 days, the cheapest flight deal to London Heathrow Airport was found on the route from Osaka, at £423 return. The most popular connection is from Tokyo to London Heathrow Airport and KAYAK users have found return deals for as low as £681 in the last 3 days.

What is the cheapest month to fly to London Heathrow Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights to London Heathrow Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights to London Heathrow Airport is November, where tickets cost £749 on average for return flights. On the other hand, the most expensive months are April and August, where the average cost of tickets from Japan is £1,216 and £1,042 respectively. For one-way flights, the best month to travel is May with an average price of £640.

What is a good deal for flights to London Heathrow Airport?

If you’re looking for cheap airfare to London Heathrow Airport, 25% of our users found tickets to London Heathrow Airport for the following prices or less: From Tokyo Haneda Airport £1,015 return.

Good to know - Cheap tickets from Japan to London Heathrow Airport

Low seasonApril
Cheapest flight£179
Best time to beat the crowds but there is an average 6% increase in price.
Most popular time to fly (3% more expensive on average)
Flight from Osaka to London Heathrow Airport

FAQs - booking London Heathrow Airport flights

  • What is the cheapest flight to London Heathrow Airport?

    In the last 3 days, the cheapest flight deal to London Heathrow Airport was found on the route from Osaka, at £423 return. The most popular connection is from Tokyo to London Heathrow Airport and KAYAK users have found return deals for as low as £681 in the last 3 days.

  • How far is London Heathrow Airport from central London?

    You’ll need to travel 14 miles to reach the London city centre from London Heathrow Airport.

  • How much is a flight to London?

    On average, a flight to London costs £1,280. The cheapest price found on KAYAK in the last 2 weeks cost £838 and departed from Tokyo Haneda Airport.

  • What is the cheapest day to fly to London?

    Based on KAYAK data, the cheapest day to fly to London is Wednesday where round-trip tickets can be as cheap as £915. On the other hand, the most expensive day to fly is Saturday, where round-trip prices are £1,178 on average.

  • How does KAYAK find such low prices on flights to London Heathrow Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights to London Heathrow Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket to London Heathrow Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London Heathrow Airport is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights to London Heathrow Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to London Heathrow Airport with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight to London Heathrow Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London Heathrow Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to London Heathrow Airport?

    The cheapest time of day to fly to London Heathrow Airport is generally in the evening, when round-trip flights cost £1,146 on average. The most expensive time of day to fly to London Heathrow Airport is generally at night, which is peak travel time and where the average cost of a ticket is £1,551.

Top tips for finding cheap flights to London Heathrow Airport

  • Looking for a cheap flight from London Heathrow Airport to Japan? 25% of our users found flights on this route for £1,113 or less one-way and £1,015 or less round-trip.
  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest London Heathrow Airport flight deals.

Reviews of the top 4 airlines flying from Japan to Heathrow

 
See real verified KAYAK customer reviews for airlines flying to London. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline from Japan to London. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with to Heathrow? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.4
ANAOverall score based on 961 reviews
7.9Entertainment
8.6Boarding
8.2Comfort
8.7Crew
7.7Food
Airline reviews

One of the best business class seats I’ve had. The lie flat seats made it comfortable to endure a 12 hour flight. Service was excellent and food was great.

10.0 ExcellentAnthony, Aug 2025NRT - ORD
Read more ANA reviews

One of the best business class seats I’ve had. The lie flat seats made it comfortable to endure a 12 hour flight. Service was excellent and food was great.

Flight was on an ANA flight not air Japan. They did most excellent. Again the flight had excellent legroom for someone that is over 6 foot tall and the staff was very very nice. The only issue you may run into is that the person sitting next to you, may not be able to speak the same language as you.

Overall it was good. Making changes to the reservation on ANA’s website was little challenging. Would like to see those features improved in the future.

The crew was excellent. The flight was delayed for 20 to 25 minutes. We did arrive a bit later than expected. The AC could have been better.

Very disappointed with the seat selection. During the booking, I selected seats such that my wife and I would sit next to each other. However, during check-in, we found out that the airline changed our seats and we were seated apart; and I was stuck in the middle seat with two strangers. Very disappointing experience. We would not fly ANA next time.

Upgrade the comfort, food and attendants. Also we arrived in Houston in the morning. The meal they served two hours before our arrival was a dinner entree. It would have been a lot nicer and much more appropriate to have had breakfast.

Every leg of the flight was late causing us to miss our flight to Okinawa and have to take the next flight out.

Wonderful I would recommend it to fly & ride with ANA.

Flight delayed by one day and everything was so disorganized by the airline.

All the food seemed to have onions. I don't eat onions. Anyway, everything else was great. The biggest downside was the underpricer company that purchased the tickets from ANA. Underpricer never provided the United Airlines booking number. ANA was a code share and all our flights were on United. I finally was able get booking numbers from Ujuted on X. They saved me from the upsales underwriter tried to saddle my wife and me with.

Better screens, it would have been nice to have more comfortable seats.

2nd major delay due to maintenance issues. 1st delay missed my connecting flight.

It was great, but my bag was not loaded onto the connecting flight. I'm currently getting it resolved. If this isn't a problem, everything else was excellent.

The aircraft was massive (A-380) and became crowded with 400+ passengers on board.

The plane hasnt left im stuck in seatle still my flight has been grounded for almost 5 hours

Love flying Asiana. Been using it for over a decade now.

Coming back to America was a peaceful flight everyone and everything was perfect

I had a bad experience coming from America to Thailand. On my connecting flight my check in suitcase was not put on the departing aircraft, I received my suitcase 24 hours after arriving in Bangkok and when I open my luggage my hand swelled up. The next morning when I put on an outfit from my suitcase my face swelled up and became numb. My entire vacation was ruined it seems that some kind of chemical was sprayed into suitcase and ruined my clothes and got me sick. The staff at my hotel called the airline and spoke to someone and they told me to file a complaint and gave my a website to do so. I did not file a complaint I felt like it would have fell on death ears. I had to throw away my brand new vacation clothes and suitcase and I had the worst vacation ever due to this happening to me.

The staff was courteous and the flight was very smooth. It was so nice to see the captain greeting the passengers at the end of the flights.

Flight was too cold. I wore a regular cotton tee and it wasn’t enough. It was a night time flight so I would have thought a blanket would be provided to passengers. A 4 hour flight and no options for a meal? I flew Asiana the next day from Seoul to Manilla. Same duration, 4 hours. They give everyone a pillow and blanket and serve a meal. Why is United so cheap and holding back meals and amenities? Also, they promote too much gay stuff and DEI in their advertisements. Please be mindful of other beliefs and don’t shove your gay ideology down my throat.

Nothing to complain of, the only reason I am not giving better marks is that I am used to flying with ANA and they are the top.

It's terrible that we can't do online check in because we didn't buy the tickets directly from Air china. It was not explained until I contacted Chatdeal and we could not sit together.

Communication between the captain/crew and the passengers needs to be improved.

Food and service are good. Bathroom was lack of lotions and cleaning. That should be improved.

Food & service very good next I will pick up again

Chinese flight attendants didn't speak english well. They didn't care enough to remember that I (east asian who isn't Chinese) wasn't Chinese and spoke English. Announcement in english on board was poor and I find it very difficult to understand what was announced. Also, a cabin bag allows only 5kg!

Everything was not satisfactory - the flight was delayed, staffs were ok but they didn't speak English well. I am from east Asia (not Chinese) and they didn't care enough to remember that I wasn't Chinese but persistently spoke chinese to me. The flight announcement in english wasn't clear to understand.

I wish I had been able to choose a vegetarian meal. Crew friendly and helpful. Seat was ok. All quite efficient and pleasant. Would recommend for inner China travel for sure.

The flight is not bad, but the Business Lounge is not big enough for the quantity of people they accept and there is a limited options for food and beverages.

It was simply bad and on top of that my luggage hasn't been delivered until now. They can't even localize it which is just unacceptable when they are supposed to scan the bar code they put when we check in

The flight was good. It arrived at Heathrow on time but then there was no transport to take us to the terminal. We sat on the plane for an hour waiting for a bus. I will avoid Heathrow if possible in future. The crew were very apologetic.

we had to walk up stairs to get into the plane--no jetways. Perhaps that's a problem not with the airline but with facilities at Heathrow, Glasgow, and Edinburgh. But it was inconvenient.

The seating has become ridiculous… like a contest to see how narrow and short they can be made- forcing anyone over 5’1 to pay more to not be twisting oneself into a pretzel. Really insane- would have thought BA was better than this. Frankly- it cancels out a lot of the positive aspects.

flight was delayed from BWI to London - missed my connecting flight & then connecting flight (also British Air) was delayed - food is awful, TV & movie selection is great

Super tight economy class. My knees were hitting the back of seat in front of me (I'm only 5'6"). My small backpack (sized according to their required dimensions) would not fit under the seat in front of me because there is a box (is that the life jacket?) in the way. Over all, extremely uncomfortable. I forgive the tasteless food, but the tight seating was torture

Excellent service by the flight crew, and the food was relatively very good compared to other airlines.

Flight was excellent, staff was great. My first time in first class and it was very relaxing and comfortable.

They can separate the young children from people who want to have a rest. It had lots of crying and loud noises from the children.

I had an awful experience with British Airways as they broke the handle of my checked in suitcase and when I went to complain they told me that this was not their responsibility. This has to be one horrible airline that does not take responsibility for the damage that they have created

Didn’t fly with them as someone had cancelled my flight

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Everything you need to know for your flight to Heathrow

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