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Cheap flights from Portsmouth to Japan from £726

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — FUK
9 7월 — 16 7월1
1 adult

Cheap flight deals from Portsmouth to Japan

Keep the following information in mind while searching for Portsmouth to Japan flight deals. Data was last updated 4 7월 2025.

Round-trip from

£970

One-way from

£726

Popular in

August

Cheapest in

November

Average price

£970
14/11-29/11
  • 14/11-29/11
  • 5 total stops
  • 71h 00m total
  • Portsmouth to Japan
15/9
  • 15/9
  • 2 total stops
  • 20h 05m total
  • Portsmouth to Japan
Highest demand for flights based on searches. 18% potential increase in price (£115 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
Average for round-trip flights in July 2025

Find flight deals from Portsmouth to Japan

Cheapest flights from Portsmouth to Japan
Explore the most affordable flight options available from Portsmouth to Japan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 7월 2025.

금 14/1117:20SOU - NRT
2 stops35h 00mMultiple Airlines
토 29/1116:40NRT - SOU
3 stops36h 00mMultiple Airlines
Deal found 2/7£970
월 3/1120:10SOU - HND
2 stops43h 50mQatar Airways
토 22/1123:30HND - SOU
2 stops29h 10mQatar Airways
Deal found 1/7£1,070
금 14/1117:20SOU - HND
2 stops53h 30mMultiple Airlines
토 29/1113:45HND - SOU
2 stops51h 40mMultiple Airlines
Deal found 2/7£1,109
일 6/717:35SOU - HND
2 stops28h 20mKLM
일 13/708:50HND - SOU
2 stops31h 55mKLM
Deal found 1/7£1,267
토 16/809:20SOU - KIX
2 stops27h 10mMultiple Airlines
토 23/819:05KIX - SOU
3 stops32h 25mMultiple Airlines
Deal found 2/7£1,272
금 14/1109:00SOU - NRT
1 stop17h 45mKLM
토 29/1113:35NRT - SOU
1 stop36h 15mKLM
Deal found 2/7£1,280
월 24/1120:10SOU - NRT
2 stops36h 45mQatar Airways
화 30/1221:55NRT - SOU
2 stops30h 45mQatar Airways
Deal found 2/7£1,380
토 16/809:20SOU - KIX
1 stop17h 00mKLM
토 23/812:00KIX - SOU
1 stop28h 45mKLM
Deal found 2/7£1,794
수 6/809:10SOU - KIX
2 stops24h 15mQatar Airways
일 17/818:55KIX - SOU
2 stops32h 35mQatar Airways
Deal found 3/7£1,996

Cheapflights Fare Finder

Customise your flight search to find flights from Portsmouth 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 4 7월 2025.
Use the filters below to find and compare flights from Portsmouth to Japan that are best for you.

Fly from

Portsmouth

Fly to

Japan

Route

Depart

Return

Price

SouthamptonTokyo

SOU - NRT

SOUNRT

Southampton Eastleigh

금 14/11

17:20-13:20

2 stops35h 00m

Tokyo Narita

토 29/11

16:40-19:40

3 stops36h 00m

£970

SouthamptonTokyo

SOU - HND

SOUHND

Southampton Eastleigh

월 3/11

20:10-01:00

2 stops43h 50m

Tokyo Haneda

토 22/11

23:30-19:40

2 stops29h 10m

£1,070

SouthamptonTokyo

SOU - HND

SOUHND

Southampton Eastleigh

금 14/11

17:20-07:50

2 stops53h 30m

Tokyo Haneda

토 29/11

13:45-08:25

2 stops51h 40m

£1,109

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

토 16/8

09:20-20:30

2 stops27h 10m

Osaka Kansai Intl

토 23/8

19:05-19:30

3 stops32h 25m

£1,272

SouthamptonTokyo

SOU - NRT

SOUNRT

Southampton Eastleigh

금 14/11

09:00-11:45

1 stop17h 45m

Tokyo Narita

토 29/11

13:35-16:50

1 stop36h 15m

£1,280

SouthamptonTokyo

SOU - NRT

SOUNRT

Southampton Eastleigh

월 24/11

20:10-17:55

2 stops36h 45m

Tokyo Narita

화 30/12

21:55-19:40

2 stops30h 45m

£1,380

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

토 16/8

09:20-10:20

1 stop17h 00m

Osaka Kansai Intl

토 23/8

12:00-08:45

1 stop28h 45m

£1,794

SouthamptonTokyo

SOU - HND

SOUHND

Southampton Eastleigh

금 15/8

18:25-05:55

2 stops27h 30m

Tokyo Haneda

금 22/8

08:50-08:45

2 stops31h 55m

£1,912

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

수 6/8

09:10-17:25

2 stops24h 15m

Osaka Kansai Intl

일 17/8

18:55-19:30

2 stops32h 35m

£1,996

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

월 15/9

08:40-12:45

2 stops20h 05m

£726

Flights are sorted by cheapest return flights first.

Deals found on 3/7

Showing 1-10 of 15 results
1
2

Best time to book a flight from Portsmouth to Japan

Have a flexible travel schedule? Discover the best time to fly to Japan from Portsmouth 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 Portsmouth to Japan

What is the cheapest month to book a flight from Portsmouth to Japan?

Currently, November is the cheapest month in which you can book a flight from Portsmouth to Japan (average of £550). Flying from Portsmouth to Japan in July is currently the most expensive (average of £1,239). 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 P0R to JP?

Find hourly flight availability from Portsmouth 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 4 7월 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portsmouth to Japan as you normally would.

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 4 7월 2025.
Check out reviews from past customers who have flown with KLM and Qatar Airways from Portsmouth to Japan to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.1

Overall

7.8

Comfort

7.6

Crew

8.4

Boarding

7.8

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Entertainment

7.1

Overall

7.8

Comfort

7.6

Crew

8.4

Boarding

7.8

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Entertainment

7.1

Overall

7.8

Comfort

7.6

Crew

8.4

Boarding

7.8

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

Find useful and relevant information for your journey from Portsmouth to Japan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the most popular routes from Portsmouth to Japan?

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portsmouth 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 Portsmouth to Japan?

    Currently, November is the cheapest month in which you can book a flight from Portsmouth to Japan (average of £550). Flying from Portsmouth to Japan in July is currently the most expensive (average of £1,239). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Portsmouth to Japan

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Portsmouth to Japan

Discover the top 10 airlines that operate flights from Portsmouth 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 4 7월 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£363Average£542FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Shenzhen AirlinesCheapest£413Average£592FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
FinnairCheapest£437Average£917FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Air FranceCheapest£515Average£781FlexibilityNo cancel feeOn-time77%
Search Air France flights
Asiana AirlinesCheapest£539Average£846FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Scandinavian AirlinesCheapest£563Average£930FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
KLMCheapest£586Average£945FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air IndiaCheapest£604Average£646FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
LOTCheapest£643Average£869FlexibilityNo cancel feeOn-time81%
Search LOT flights
Etihad AirwaysCheapest£660Average£783FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights

Fly with Cheapflights

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

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Portsmouth to Japan.

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

Yes! Cheapflights helps users easily find flights from Portsmouth to Japan with no change fees.

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

Of course! You can now track prices for flights from Portsmouth to Japan and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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