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Cheap flights from London Heathrow Airport to Japan from £321

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — FUK
5 Sep — 12 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Japan

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Japan
Explore the most affordable flight options available from Heathrow to Japan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 August 2026.

Mon 7/922:30 -
1 stop30h 15m
Sun 13/913:45 -
1 stop38h 00m
Deal found 1/8£527
Sat 14/1121:00 -
2 stops29h 00m
Mon 23/1111:55 -
2 stops38h 35m
Deal found 3/8£599
Mon 30/1117:35 -
2 stops18h 10m
Sun 13/1213:00 -
1 stop16h 50m
Deal found 4/8£600
Wed 16/922:05 -
1 stop32h 10m
Wed 30/915:15 -
1 stop36h 35m
Deal found 3/8£602
Tue 8/906:15 -
2 stops26h 50m
Mon 21/911:25 -
1 stop28h 30m
Deal found 5/8£602
Mon 30/1121:10 -
1 stop31h 50m
Fri 11/1215:00 -
1 stop37h 10m
Deal found 1/8£605
Wed 28/1021:10 -
1 stop31h 50m
Fri 13/1115:00 -
1 stop37h 10m
Deal found 5/8£605
Wed 2/906:15 -
1 stop19h 25m
Wed 9/911:25 -
2 stops28h 15m
Deal found 3/8£606
Mon 16/1121:10 -
1 stop31h 50m
Fri 27/1115:00 -
1 stop37h 10m
Deal found 3/8£607
Sat 21/1120:25 -
1 stop14h 45m
Wed 2/1216:30 -
2 stops36h 10m
Deal found 5/8£609
Thu 3/909:55 -
1 stop16h 20m
Thu 10/911:25 -
2 stops28h 15m
Deal found 4/8£610
Mon 7/906:15 -
2 stops19h 50m
Tue 22/911:55 -
1 stop17h 00m
Deal found 5/8£610

Find flight deals from Heathrow to Japan

Keep the following information in mind while searching for Heathrow to Japan flight deals. Data was last updated 6 August 2026.

Round-trip from

£548

One-way from

£321

Popular in

August

Cheapest in

January

Average price

£1,036

Good round-trip deal

£1,086 or less

Good one-way deal

£1,017 or less
7/9-13/9
  • 7/9-13/9
  • 2 total stops
  • 68h 15m total
  • London to Japan
Search Deals
19/10
  • 19/10
  • 1 total stop
  • 30h 15m total
  • London to Japan
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£90 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a round-trip flight from London Heathrow to Japan.
Search Deals
Price to beat on a one-way flight from London Heathrow to Japan.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Japan that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 6 August 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Japan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonOkinawa

LHR London Heathrow - OKA Okinawa Naha

LHROKA

London Heathrow

Sat 31/10

20:55-14:15

2 stops32h 20m

Okinawa Naha

Sat 7/11

15:25-18:10

2 stops35h 45m

£678

LondonOkinawa

LHR London Heathrow - OKA Okinawa Naha

LHROKA

London Heathrow

Fri 30/10

20:55-14:15

2 stops32h 20m

Okinawa Naha

Sun 8/11

15:25-18:10

2 stops35h 45m

£680

LondonNagoya

LHR London Heathrow - NGO Nagoya Chubu Centrair Intl

LHRNGO

London Heathrow

Fri 13/11

21:00-12:35

1 stop30h 35m

Nagoya Chubu Centrair Intl

Tue 17/11

17:00-17:30

1 stop33h 30m

£683

LondonKumamoto

LHR London Heathrow - KMJ Kumamoto

LHRKMJ

London Heathrow

Sat 5/9

21:45-10:45

2 stops53h 00m

Kumamoto

Fri 11/9

11:55-12:45

2 stops32h 50m

£714

LondonOsaka

LHR London Heathrow - KIX Osaka Kansai Intl

LHRKIX

London Heathrow

Sat 28/11

21:00-21:00

1 stop15h 00m

Osaka Kansai Intl

Sun 13/12

09:20-17:30

1 stop17h 10m

£714

LondonNagoya

LHR London Heathrow - NGO Nagoya Chubu Centrair Intl

LHRNGO

London Heathrow

Fri 11/9

09:30-18:45

2 stops25h 15m

Nagoya Chubu Centrair Intl

Wed 30/9

19:00-12:45

2 stops25h 45m

£752

LondonTokyo

LHR London Heathrow - HND Tokyo Haneda

LHRHND

London Heathrow

Thu 12/11

21:00-18:30

1 stop36h 30m

Tokyo Haneda

Fri 4/12

08:40-17:30

1 stop17h 50m

£778

LondonKobe

LHR London Heathrow - UKB Kobe

LHRUKB

London Heathrow

Thu 12/11

16:35-14:00

1 stop36h 25m

Kobe

Wed 18/11

15:00-14:20

1 stop32h 20m

£792

LondonKobe

LHR London Heathrow - UKB Kobe

LHRUKB

London Heathrow

Fri 4/12

16:35-14:00

1 stop36h 25m

Kobe

Thu 17/12

15:00-14:20

1 stop32h 20m

£792

LondonOsaka

LHR London Heathrow - KIX Osaka Kansai Intl

LHRKIX

London Heathrow

Sat 7/11

21:00-13:20

1 stop31h 20m

Osaka Kansai Intl

Sun 22/11

19:00-17:30

1 stop31h 30m

£792

Flights are sorted by cheapest return flights first.

Deals found on 2/8

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Heathrow to Japan

Have a flexible travel schedule? Discover the best time to fly to Japan from Heathrow with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Japan

What is the cheapest month to book a flight from London Heathrow Airport to Japan?

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Japan (average of £782). Flying from London Heathrow Airport to Japan in July is currently the most expensive (average of £1,191). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LHR to JP?

Find hourly flight availability from Heathrow to Japan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 6 August 2026.

It’s optimal to fly from London Heathrow Airport to Japan in the afternoon. By choosing this option you can save up to 17% on the cost of your flight, compared to a flight at midday.

How often are flights from London to Japan delayed?

About 12% of weekly flights between London and Japan have experienced delays in the past year, with the average delay time being 126 minutes.

What is the most punctual flight time for London to Japan flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on London to Japan flights?

Over the past year, Japan Airlines have had the lowest number of delays on this route, with just 8% of flights being delayed.

How far ahead should I book a flight from London Heathrow Airport to Japan?

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Japan, you should look to book at least 29 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest day to fly from London Heathrow Airport to Japan?

Use this chart to determine the cheapest time to fly return from Heathrow to Japan. Price data was last updated on 1 August 2026.

Travellers seeking maximum savings on their London Heathrow Airport to Japan flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Saturday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Japan

Get insights into the airlines that provide service to Japan. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Japan. Reviews last updated 6 August 2026.
See what other customers who have flown with Japan Airlines,Cathay Pacific, andAir China from London Heathrow Airport to Japan have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very Good
1,892 reviews
Check prices

Food

7.7

Boarding

8.4

Crew

8.7

Overall

8.3

Comfort

8.2

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2026

ICN - NRT

Terrible experience. The staff did not want to help out. Then they lost my bag and would not take responsibility. I’m still waiting for my belongings
Japan Airlines
8.3
Very Good
1,892 reviews
Japan Airlines
8.3
Very Good
1,892 reviews
Check prices

Food

7.7

Boarding

8.4

Crew

8.7

Overall

8.3

Comfort

8.2

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2026

ICN - NRT

Terrible experience. The staff did not want to help out. Then they lost my bag and would not take responsibility. I’m still waiting for my belongings
Cathay Pacific
7.6
Good
1,439 reviews
Japan Airlines
8.3
Very Good
1,892 reviews
Check prices

Food

7.7

Boarding

8.4

Crew

8.7

Overall

8.3

Comfort

8.2

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2026

ICN - NRT

Terrible experience. The staff did not want to help out. Then they lost my bag and would not take responsibility. I’m still waiting for my belongings
Air China
7.4
Good
160 reviews
Japan Airlines
8.3
Very Good
1,892 reviews
Check prices

Food

7.7

Boarding

8.4

Crew

8.7

Overall

8.3

Comfort

8.2

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2026

ICN - NRT

Terrible experience. The staff did not want to help out. Then they lost my bag and would not take responsibility. I’m still waiting for my belongings
China Eastern
7.3
Good
231 reviews
Japan Airlines
8.3
Very Good
1,892 reviews
Check prices

Food

7.7

Boarding

8.4

Crew

8.7

Overall

8.3

Comfort

8.2

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2026

ICN - NRT

Terrible experience. The staff did not want to help out. Then they lost my bag and would not take responsibility. I’m still waiting for my belongings
British Airways
6.7
Okay
8,147 reviews
Japan Airlines
8.3
Very Good
1,892 reviews
Check prices

Food

7.7

Boarding

8.4

Crew

8.7

Overall

8.3

Comfort

8.2

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2026

ICN - NRT

Terrible experience. The staff did not want to help out. Then they lost my bag and would not take responsibility. I’m still waiting for my belongings

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Japan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from London Heathrow Airport to Japan?

    Etihad Airways, China Eastern, and Asiana Airlines can get you from London Heathrow Airport to Japan in just under 30h 35m. Your travel time can differ by up to 2h 35m. The distance from London Heathrow Airport to Japan is about 5930 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from London Heathrow Airport to Japan one-way?

    For one-way options, check prices for China Eastern. According to our data, you can fly for as low as £263. Users have also found prices from £286 and £312 on Air China and China Southern, respectively.

  • What are the most popular routes from London Heathrow Airport to Japan?

    While some choose either London Heathrow - Tokyo Narita or London Heathrow - Osaka Kansai Intl, London Heathrow - Tokyo Haneda is the most popular route from London Heathrow Airport to Japan.

  • Can I find deals for flights from Heathrow to Japan that include hotel bookings?

    Yes. In addition to deals on Heathrow to Japan flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Japan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Japan.

  • Can I find deals for business class flights from Heathrow to Japan?

    Yes. Cheapflights offers flight deals from Heathrow to Japan by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Heathrow Airport to Japan?

    Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Japan (average of £782). Flying from London Heathrow Airport to Japan in July is currently the most expensive (average of £1,191). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Heathrow to Japan

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Heathrow to Japan

Discover the top 10 airlines that operate flights from Heathrow to Japan. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 6 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Shenzhen AirlinesCheapest£333Average£714FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
Korean AirCheapest£382Average£1,032FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
Austrian AirlinesCheapest£401Average£690FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
China SouthernCheapest£429Average£543FlexibilityNo cancel feeOn-time69%
Search China Southern flights
KLMCheapest£543Average£873FlexibilityNo cancel feeOn-time75%
Search KLM flights
Asiana AirlinesCheapest£550Average£1,019FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Etihad AirwaysCheapest£555Average£993FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Air IndiaCheapest£619Average£709FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
SWISSCheapest£676Average£852FlexibilityNo cancel feeOn-time79%
Search SWISS flights
ANACheapest£688Average£1,166FlexibilityNo cancel feeOn-time80%
Search ANA flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Heathrow to Japan?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Heathrow to Japan. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Japan?

Millions of users choose and trust Cheapflights to book the best flight deals from Heathrow to Japan for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Heathrow to Japan with no change fees?

Yes, we can. To see specific flights from Heathrow to Japan with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Heathrow to Japan become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Japan from Heathrow today and book when prices fit your budget.

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