How long is the flight from Portsmouth to Japan?

Qatar Airways can get you from Portsmouth to Japan in just under 28h 35m. Your travel time can differ by up to . There are 6007 mi between Portsmouth and Japan.

In terms of precipitation, rainfall in Japan ranges from 50.0 - 210.0 inches per month. September is typically the wettest month, when rainfall can reach 210.0 mm. January is typically the driest time to visit Japan when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Japan, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 6.0 C).

What are the most popular routes from Portsmouth to Japan?

When deciding which route to take from Portsmouth to Japan consider Southampton Eastleigh - Tokyo Narita, Southampton Eastleigh - Tokyo Haneda or Southampton Eastleigh - Osaka Kansai Intl as they are the most popular.

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.

£712+ Cheap Flights from Portsmouth to Japan

Cheap flight deals from Portsmouth to Japan

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 9 September 2026.

Mon 23/1117:45 -

1 stop33h 00m

Mon 14/1213:35 -

1 stop27h 35m

Deal found 6/9£712

Mon 23/1117:45 -

2 stops42h 40m

Mon 14/1213:35 -

1 stop27h 35m

Deal found 6/9£734

Mon 23/1117:45 -

2 stops32h 35m

Mon 14/1209:05 -

2 stops40h 55m

Deal found 6/9£755

Fri 30/1020:00 -

3 stops39h 55m

Sat 7/1119:40 -

3 stops32h 00m

Deal found 7/9£891

Mon 19/1017:20 -

2 stops35h 25m

Mon 26/1021:55 -

2 stops54h 35m

Deal found 7/9£990

Wed 25/1120:00 -

2 stops30h 55m

Sat 12/1216:55 -

2 stops28h 00m

Deal found 8/9£998

Sun 4/1009:20 -

3 stops27h 55m

Sun 11/1022:25 -

2 stops53h 05m

Deal found 5/9£1,004

Wed 25/1109:20 -

2 stops28h 35m

Fri 11/1200:25 -

2 stops52h 05m

Deal found 8/9£1,007

Mon 19/1019:20 -

3 stops38h 10m

Mon 26/1006:35 -

3 stops35h 15m

Deal found 6/9£1,012

Thu 15/1009:20 -

3 stops27h 40m

Tue 20/1014:25 -

3 stops37h 05m

Deal found 6/9£1,091

Thu 3/1209:20 -

2 stops28h 35m

Sun 6/1200:25 -

2 stops28h 05m

Deal found 6/9£1,097

Sun 4/1009:20 -

2 stops30h 45m

Sun 11/1015:40 -

2 stops24h 55m

Deal found 5/9£1,106

Best flights from Portsmouth to Japan
Discover carefully curated flight deals from Portsmouth to Japan that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 September 2026.

Wed 24/209:20 -

2 stops28h 35m

Tue 2/300:25 -

2 stops28h 05m

Deal found 5/9£990

Wed 25/1120:00 -

2 stops30h 55m

Sat 12/1216:55 -

2 stops28h 00m

Deal found 8/9£998

Thu 18/209:20 -

2 stops22h 05m

Thu 11/317:55 -

2 stops34h 35m

Deal found 6/9£992

Thu 15/1009:20 -

3 stops27h 40m

Tue 20/1014:25 -

3 stops37h 05m

Deal found 6/9£1,091

Mon 15/209:20 -

2 stops22h 05m

Thu 11/317:55 -

2 stops34h 35m

Deal found 6/9£992

Tue 16/220:00 -

2 stops35h 25m

Mon 8/317:55 -

2 stops34h 35m

Deal found 6/9£992

Wed 14/1009:15 -

2 stops24h 45m

Wed 21/1009:30 -

2 stops31h 05m

Deal found 4/9£1,182

Wed 25/1109:20 -

2 stops28h 35m

Fri 11/1200:25 -

2 stops52h 05m

Deal found 8/9£1,007

Thu 25/209:20 -

2 stops28h 35m

Thu 4/300:25 -

2 stops28h 05m

Deal found 5/9£1,015

Mon 28/1220:00 -

2 stops54h 55m

Sun 10/119:30 -

3 stops33h 00m

Deal found 8/9£1,250

Tue 23/220:00 -

2 stops30h 55m

Fri 12/321:55 -

2 stops54h 35m

Deal found 5/9£1,018

Tue 23/209:20 -

2 stops28h 35m

Sat 13/316:00 -

3 stops36h 30m

Deal found 5/9£1,287

Mon 15/209:20 -

2 stops22h 05m

Sun 7/317:55 -

2 stops34h 35m

Deal found 6/9£1,018

Tue 15/1209:20 -

2 stops28h 35m

Wed 30/1200:25 -

2 stops41h 25m

Deal found 8/9£1,344

Wed 17/220:00 -

2 stops35h 25m

Fri 12/317:55 -

2 stops58h 35m

Deal found 6/9£1,027

Fri 23/1009:05 -

2 stops24h 55m

Fri 30/1010:55 -

3 stops34h 00m

Deal found 8/9£1,382

Fri 19/220:00 -

2 stops35h 25m

Fri 12/317:55 -

2 stops58h 35m

Deal found 6/9£1,053

Thu 3/1209:20 -

2 stops28h 35m

Sun 6/1200:25 -

2 stops28h 05m

Deal found 6/9£1,097

Tue 15/1209:20 -

2 stops23h 35m

Thu 31/1216:55 -

2 stops28h 00m

Deal found 4/9£1,470

Tue 15/1209:20 -

2 stops46h 05m

Thu 31/1217:55 -

2 stops27h 00m

Deal found 4/9£1,473

Sat 5/1209:20 -

2 stops41h 35m

Wed 9/1216:55 -

2 stops35h 35m

Deal found 8/9£1,112

Fri 26/209:20 -

2 stops23h 35m

Tue 2/321:55 -

2 stops30h 35m

Deal found 5/9£1,124

Fri 18/1208:55 -

2 stops24h 00m

Sun 3/121:55 -

2 stops30h 35m

Deal found 8/9£1,544

Fri 23/1009:05 -

2 stops27h 00m

Fri 30/1008:20 -

2 stops57h 35m

Deal found 8/9£1,738

Mon 8/309:20 -

2 stops28h 35m

Wed 17/300:25 -

2 stops28h 05m

Deal found 4/9£1,453

Mon 8/320:00 -

2 stops30h 55m

Wed 17/316:55 -

2 stops35h 35m

Deal found 4/9£1,454

Tue 23/220:00 -

2 stops36h 55m

Mon 15/316:55 -

2 stops35h 35m

Deal found 5/9£1,456

Tue 23/220:00 -

2 stops30h 55m

Sun 14/316:55 -

2 stops35h 35m

Deal found 5/9£1,481

Mon 8/320:00 -

2 stops36h 55m

Fri 19/321:55 -

2 stops54h 35m

Deal found 4/9£1,482

Find flight deals from Portsmouth to Japan

Round-trip from	£712
Popular in	August
Cheapest in	January
Average price	£709

KLM
23/11-14/12
2 total stops
60h 35m total
Portsmouth to Japan

Search Deals

Highest demand for flights based on searches. 13% potential increase in price (£92 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 September 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonTokyo

SOU Southampton Eastleigh - NRT Tokyo Narita

SOUNRT

Southampton Eastleigh

Sun 8/11

20:00-11:55

2 stops30h 55m

Tokyo Narita

Wed 31/12

00:00-16:00

Nonstop0h 00m

£769

SouthamptonTokyo

SOU Southampton Eastleigh - HND Tokyo Haneda

SOUHND

Southampton Eastleigh

Sat 14/11

09:20-22:55

2 stops52h 35m

Tokyo Haneda

Wed 31/12

00:00-16:00

Nonstop0h 00m

£771

SouthamptonTokyo

SOU Southampton Eastleigh - NRT Tokyo Narita

SOUNRT

Southampton Eastleigh

Sat 3/10

20:00-12:55

2 stops56h 55m

Tokyo Narita

Wed 31/12

00:00-16:00

Nonstop0h 00m

£781

SouthamptonTokyo

SOU Southampton Eastleigh - HND Tokyo Haneda

SOUHND

Southampton Eastleigh

Tue 10/11

09:20-22:55

2 stops28h 35m

Tokyo Haneda

Wed 31/12

00:00-16:00

Nonstop0h 00m

£911

SouthamptonTokyo

SOU Southampton Eastleigh - HND Tokyo Haneda

SOUHND

Southampton Eastleigh

Wed 11/11

09:20-22:55

2 stops28h 35m

Tokyo Haneda

Wed 31/12

00:00-16:00

Nonstop0h 00m

£911

SouthamptonTokyo

SOU Southampton Eastleigh - HND Tokyo Haneda

SOUHND

Southampton Eastleigh

Mon 9/11

20:00-22:55

2 stops41h 55m

Tokyo Haneda

Wed 31/12

00:00-16:00

Nonstop0h 00m

£912

SouthamptonTokyo

SOU Southampton Eastleigh - NRT Tokyo Narita

SOUNRT

Southampton Eastleigh

Fri 13/11

20:00-17:55

2 stops36h 55m

Tokyo Narita

Wed 31/12

00:00-16:00

Nonstop0h 00m

£959

SouthamptonTokyo

SOU Southampton Eastleigh - HND Tokyo Haneda

SOUHND

Southampton Eastleigh

Wed 24/2

09:20-22:55

2 stops28h 35m

Tokyo Haneda

Tue 2/3

00:25-19:30

2 stops28h 05m

£990

SouthamptonOsaka

SOU Southampton Eastleigh - KIX Osaka Kansai Intl

SOUKIX

Southampton Eastleigh

Thu 18/2

09:20-16:25

2 stops22h 05m

Osaka Kansai Intl

Thu 11/3

17:55-19:30

2 stops34h 35m

£992

SouthamptonOsaka

SOU Southampton Eastleigh - KIX Osaka Kansai Intl

SOUKIX

Southampton Eastleigh

Mon 15/2

09:20-16:25

2 stops22h 05m

Osaka Kansai Intl

Thu 11/3

17:55-19:30

2 stops34h 35m

£992

Flights are sorted by cheapest return flights first.

Deals found on 6/9

Showing 1-10 of 41 resultsSorted by cheapest first

...

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.

SOU-NRT

SOU-HND

SOU-KIX

SOU-NGO

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

P0R-JP0

SOU-NRT

SOU-HND

SOU-KIX

SOU-NGO

What is the cheapest time of day to fly from P0R to JP?

It’s optimal to fly from Portsmouth to Japan in the afternoon. By choosing this option you can save up to 16% on the cost of your flight, compared to a flight at midday.

What is the cheapest day to fly from Portsmouth to Japan?

Travellers seeking maximum savings on their Portsmouth 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.

Related info for your journey

How long is the flight from Portsmouth to Japan?
Qatar Airways can get you from Portsmouth to Japan in just under 28h 35m. Your travel time can differ by up to . There are 6007 mi between Portsmouth and Japan.
What are the most popular routes from Portsmouth to Japan?
When deciding which route to take from Portsmouth to Japan consider Southampton Eastleigh - Tokyo Narita, Southampton Eastleigh - Tokyo Haneda or Southampton Eastleigh - Osaka Kansai Intl as they are the most popular.
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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to

Flights by cabin class

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Alternative routes for Portsmouth to Japan

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Top 10 airlines flying from Portsmouth to Japan

Airline	Cheapest	Average	Flexibility	On-time
Shenzhen Airlines	Cheapest£331	Average£699	FlexibilityNo cancel fee	On-time63%	Search Shenzhen Airlines flights
Korean Air	Cheapest£380	Average£1,068	FlexibilityNo cancel fee	On-time81%	Search Korean Air flights
China Southern	Cheapest£381	Average£584	FlexibilityNo cancel fee	On-time69%	Search China Southern flights
Austrian Airlines	Cheapest£399	Average£686	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights
Etihad Airways	Cheapest£434	Average£903	FlexibilityNo cancel fee	On-time75%	Search Etihad Airways flights
KLM	Cheapest£554	Average£868	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Iberia	Cheapest£620	Average£837	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
Air India	Cheapest£623	Average£710	FlexibilityNo cancel fee	On-timeN/A	Search Air India flights
SWISS	Cheapest£672	Average£862	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
ANA	Cheapest£685	Average£1,110	FlexibilityNo cancel fee	On-time80%	Search ANA flights

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Cheap flights from Portsmouth to Japan from £712

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Portsmouth to Japan

Cheapest flights from Portsmouth to JapanExplore 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 9 September 2026.

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 9 September 2026.

Best flights from Portsmouth to JapanDiscover carefully curated flight deals from Portsmouth to Japan that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 September 2026.

Discover carefully curated flight deals from Portsmouth to Japan that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 September 2026.

Last-minute flights from Portsmouth to JapanDiscover last-minute flight deals from Portsmouth to Japan. Data last updated 9 September 2026 and is based on user searches.

Discover last-minute flight deals from Portsmouth to Japan. Data last updated 9 September 2026 and is based on user searches.

One-way flights from Portsmouth to JapanSearch for one-way flight options from Portsmouth to Japan. Find affordable one-way fares based on user searches. Data last updated 9 September 2026.

Search for one-way flight options from Portsmouth to Japan. Find affordable one-way fares based on user searches. Data last updated 9 September 2026.

Find flight deals from Portsmouth to Japan

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Use the filters below to find and compare flights from Portsmouth to Japan that are best for you.

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.

Cheapflights Insights

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 9 September 2026.

It’s optimal to fly from Portsmouth to Japan in the afternoon. By choosing this option you can save up to 16% on the cost of your flight, compared to a flight at midday.

What is the cheapest day to fly from Portsmouth to Japan?

Use this chart to determine the cheapest time to fly return from Portsmouth to Japan. Price data was last updated on 5 September 2026.

Travellers seeking maximum savings on their Portsmouth 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.

Related info for your journey

How long is the flight from Portsmouth to Japan?

What are the most popular routes from Portsmouth to Japan?

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

How can I find direct flights from Portsmouth to Japan?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portsmouth to Japan

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

Complete your trip

Complete your trip to Japan by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to

Book a non-stop flight to one of these other cities located in .

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Find flights from Portsmouth to Japan, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Portsmouth and Japan flights

Browse other Portsmouth and Japan flight options. Last updated on 9 September 2026.

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Top 10 airlines flying from Portsmouth to Japan

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

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

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

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Travel Smart

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 9 September 2026.

Best flights from Portsmouth to Japan
Discover carefully curated flight deals from Portsmouth to Japan that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 September 2026.

Last-minute flights from Portsmouth to Japan
Discover last-minute flight deals from Portsmouth to Japan. Data last updated 9 September 2026 and is based on user searches.

One-way flights from Portsmouth to Japan
Search for one-way flight options from Portsmouth to Japan. Find affordable one-way fares based on user searches. Data last updated 9 September 2026.