How long is the flight from Portsmouth to Osaka Kansai Intl Airport?

KLM can get you from Portsmouth to Osaka Kansai Intl Airport in just under 32h 20m. Your travel time can differ by up to . The distance between Portsmouth and Osaka Kansai Intl Airport is about 5970 mi.

In terms of precipitation, rainfall in Osaka Kansai Intl Airport ranges from 40.0 - 200.0 inches per month. June is typically the wettest month, when rainfall can reach 200.0 mm. January is typically the driest time to visit Osaka Kansai Intl Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to Osaka Kansai Intl Airport, 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 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 6.0 C).

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

When flying from Portsmouth to Osaka Kansai Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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

How can I find direct flights from Portsmouth to Kansai Intl?

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

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

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

£479+ Cheap Flights from Portsmouth to Osaka Kansai Intl Airport

Cheap flight deals from Portsmouth to Kansai Intl

Enter your travel dates to find the best prices.

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One-way

Cheapest flights from Portsmouth to Kansai Intl
Explore the most affordable flight options available from Portsmouth to Kansai Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 September 2026.

Thu 3/909:05 -

1 stop17h 10m

Wed 9/907:35 -

2 stops33h 00m

Deal found 30/8£607

Sat 17/1020:00 -

2 stops31h 40m

Sat 24/1019:30 -

3 stops32h 10m

Deal found 2/9£946

Thu 8/1019:30 -

3 stops33h 15m

Fri 23/1013:40 -

3 stops37h 50m

Deal found 3/9£1,105

Sun 11/1019:30 -

3 stops32h 10m

Sun 18/1011:45 -

3 stops39h 05m

Deal found 30/8£1,197

Find flight deals from Portsmouth to Kansai Intl

Round-trip from	£946
One-way from	£479
Popular in	July
Cheapest in	January
Average price	£628

17/10-24/10
5 total stops
63h 50m total
Portsmouth to Osaka

Search Deals

8/10
3 total stops
32h 50m total
Portsmouth to Osaka

Search Deals

Highest demand for flights based on searches. 18% potential increase in price (£116 potential increase over avg. return price).

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Cheapest flight prices on average. 3% potential price decrease (£19 potential savings vs. average return price).

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Average for round-trip flights in September 2026

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Portsmouth to Osaka Kansai Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonOsaka

SOU Southampton Eastleigh - KIX Osaka Kansai Intl

SOUKIX

Southampton Eastleigh

Sat 17/10

20:00-11:40

2 stops31h 40m

Osaka Kansai Intl

Sat 24/10

19:30-19:40

3 stops32h 10m

£946

SouthamptonOsaka

SOU Southampton Eastleigh - KIX Osaka Kansai Intl

SOUKIX

Southampton Eastleigh

Sun 11/10

19:30-11:40

3 stops32h 10m

Osaka Kansai Intl

Sun 18/10

11:45-18:50

3 stops39h 05m

£1,197

Fastest return journey

SouthamptonOsaka

SOU Southampton Eastleigh - KIX Osaka Kansai Intl

SOUKIX

Southampton Eastleigh

Thu 8/10

17:20-09:40

2 stops32h 20m

Osaka Kansai Intl

Fri 23/10

11:55-08:45

1 stop28h 50m

£1,403

SouthamptonOsaka

SOU Southampton Eastleigh - KIX Osaka Kansai Intl

SOUKIX

Southampton Eastleigh

Tue 15/12

09:20-16:25

2 stops46h 05m

Osaka Kansai Intl

Thu 31/12

17:55-11:55

2 stops27h 00m

£1,477

SouthamptonOsaka

SOU Southampton Eastleigh - KIX Osaka Kansai Intl

SOUKIX

Southampton Eastleigh

Sun 11/10

17:20-10:05

1 stop32h 45m

Osaka Kansai Intl

Sun 18/10

11:55-08:35

1 stop28h 40m

£1,603

SouthamptonOsaka

SOU Southampton Eastleigh - KIX Osaka Kansai Intl

SOUKIX

Southampton Eastleigh

Fri 18/12

20:00-16:25

2 stops35h 25m

Osaka Kansai Intl

Sun 3/1

17:55-19:30

2 stops34h 35m

£1,692

Cheapest one-way

SouthamptonOsaka

SOU Southampton Eastleigh - KIX Osaka Kansai Intl

SOUKIX

Southampton Eastleigh

Thu 8/10

19:55-12:45

3 stops32h 50m

£479

SouthamptonOsaka

SOU Southampton Eastleigh - KIX Osaka Kansai Intl

SOUKIX

Southampton Eastleigh

Wed 7/10

10:45-12:45

3 stops42h 00m

£504

SouthamptonOsaka

SOU Southampton Eastleigh - KIX Osaka Kansai Intl

SOUKIX

Southampton Eastleigh

Wed 7/10

17:20-10:05

1 stop32h 45m

£957

Fastest single journey

SouthamptonOsaka

SOU Southampton Eastleigh - KIX Osaka Kansai Intl

SOUKIX

Southampton Eastleigh

Thu 8/10

09:05-10:05

1 stop17h 00m

£957

Flights are sorted by cheapest return flights first.

Deals found on 31/8

Sorted by cheapest first

Best time to book a flight from Portsmouth to Kansai Intl

Have a flexible travel schedule? Discover the best time to fly to Kansai Intl from Portsmouth with our price prediction graph.

SOU-KIX

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 Osaka Kansai Intl Airport

P0R-KIX

SOU-KIX

No data available for this route at this time. Please check back soon.

Related info for your journey

How long is the flight from Portsmouth to Osaka Kansai Intl Airport?
KLM can get you from Portsmouth to Osaka Kansai Intl Airport in just under 32h 20m. Your travel time can differ by up to . The distance between Portsmouth and Osaka Kansai Intl Airport is about 5970 mi.
Can I find deals for flights from Portsmouth to Kansai Intl that include hotel bookings?
Yes. In addition to deals on Portsmouth to Kansai Intl flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Portsmouth to Kansai Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portsmouth to Kansai Intl.
Can I find deals for business class flights from Portsmouth to Kansai Intl?
Yes. Cheapflights offers flight deals from Portsmouth to Kansai Intl 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

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Direct flights to Japan

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Kansai Intl flight routes

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Top 8 airlines flying from Portsmouth to Kansai Intl

Airline	Cheapest	Average	Flexibility	On-time
China Eastern	Cheapest£380	Average£637	FlexibilityNo cancel fee	On-time62%	Search China Eastern flights
China Southern	Cheapest£428	Average£446	FlexibilityNo cancel fee	On-time69%	Search China Southern flights
Air China	Cheapest£452	Average£753	FlexibilityNo cancel fee	On-time67%	Search Air China flights
KLM	Cheapest£556	Average£690	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Etihad Airways	Cheapest£630	Average£1,138	FlexibilityNo cancel fee	On-time75%	Search Etihad Airways flights
Cathay Pacific	Cheapest£734	Average£897	FlexibilityNo cancel fee	On-time72%	Search Cathay Pacific flights
Asiana Airlines	Cheapest£740	Average£883	FlexibilityNo cancel fee	On-time76%	Search Asiana Airlines flights
Emirates	Cheapest£980	Average£1,069	FlexibilityNo cancel fee	On-time75%	Search Emirates flights

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How does Cheapflights help users find flights from Portsmouth to Kansai Intl?

Deals for Portsmouth to Kansai Intl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Kansai Intl from Portsmouth.

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

Certainly. Search results for flights to Kansai Intl from Portsmouth shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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Cheap flights from Portsmouth to Osaka Kansai Intl Airport from £479

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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Portsmouth to Kansai Intl

Cheapest flights from Portsmouth to Kansai IntlExplore the most affordable flight options available from Portsmouth to Kansai Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 September 2026.

Explore the most affordable flight options available from Portsmouth to Kansai Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 September 2026.

Best flights from Portsmouth to Kansai IntlDiscover carefully curated flight deals from Portsmouth to Kansai Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 3 September 2026.

Discover carefully curated flight deals from Portsmouth to Kansai Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 3 September 2026.

Last-minute flights from Portsmouth to Kansai IntlDiscover last-minute flight deals from Portsmouth to Kansai Intl. Data last updated 3 September 2026 and is based on user searches.

Discover last-minute flight deals from Portsmouth to Kansai Intl. Data last updated 3 September 2026 and is based on user searches.

One-way flights from Portsmouth to Kansai IntlSearch for one-way flight options from Portsmouth to Kansai Intl. Find affordable one-way fares based on user searches. Data last updated 3 September 2026.

Search for one-way flight options from Portsmouth to Kansai Intl. Find affordable one-way fares based on user searches. Data last updated 3 September 2026.

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Best time to book a flight from Portsmouth to Kansai Intl

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Related info for your journey

How long is the flight from Portsmouth to Osaka Kansai Intl Airport?

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

How can I find direct flights from Portsmouth to Kansai Intl?

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

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 Kansai Intl

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

Complete your trip

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

Direct flights to Japan

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

Search flights from Portsmouth to Kansai Intl by cabin class

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

Other flights to Kansai Intl

Explore flights to Kansai Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 3 September 2026.

Portsmouth and Kansai Intl flights

Browse other Portsmouth and Kansai Intl flight options. Last updated on 3 September 2026.

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Portsmouth to Kansai Intl flights

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Top 8 airlines flying from Portsmouth to Kansai Intl

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

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

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

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Cheapest flights from Portsmouth to Kansai Intl
Explore the most affordable flight options available from Portsmouth to Kansai Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 September 2026.

Best flights from Portsmouth to Kansai Intl
Discover carefully curated flight deals from Portsmouth to Kansai Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 3 September 2026.

Last-minute flights from Portsmouth to Kansai Intl
Discover last-minute flight deals from Portsmouth to Kansai Intl. Data last updated 3 September 2026 and is based on user searches.

One-way flights from Portsmouth to Kansai Intl
Search for one-way flight options from Portsmouth to Kansai Intl. Find affordable one-way fares based on user searches. Data last updated 3 September 2026.