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Cheap flights from Portsmouth to Osaka Kansai Intl Airport from £703

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 17/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — KIX
24 May — 31 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portsmouth to Kansai Intl

Enter your travel dates to find the best prices.

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 24 April 2026.

Thu 4/606:45
SOU
-
KIX
2 stops22h 00m
Multiple Airlines
Thu 11/615:30
KIX
-
SOU
3 stops36h 00m
Multiple Airlines
Deal found 20/4£1,013
Sat 6/606:45
SOU
-
KIX
2 stops22h 00m
Multiple Airlines
Sat 13/614:20
KIX
-
SOU
2 stops38h 25m
Multiple Airlines
Deal found 22/4£1,024
Sun 1/1109:30
SOU
-
KIX
2 stops26h 30m
Multiple Airlines
Sun 15/1109:20
KIX
-
SOU
2 stops31h 50m
Multiple Airlines
Deal found 21/4£1,055
Mon 8/620:00
SOU
-
KIX
3 stops49h 55m
Qatar Airways
Mon 22/618:55
KIX
-
SOU
2 stops32h 35m
Qatar Airways
Deal found 19/4£1,228
Sun 12/709:20
SOU
-
KIX
2 stops24h 05m
Multiple Airlines
Sun 19/718:55
KIX
-
SOU
2 stops32h 35m
Multiple Airlines
Deal found 22/4£1,502

Find flight deals from Portsmouth to Kansai Intl

Keep the following information in mind while searching for Portsmouth to Kansai Intl flight deals. Data was last updated 24 April 2026.

Round-trip from

£1,013

One-way from

£703

Popular in

July

Cheapest in

January

Average price

£678
4/6-11/6
  • 4/6-11/6
  • 5 total stops
  • 58h 00m total
  • Portsmouth to Osaka
Search Deals
17/9
  • 17/9
  • 2 total stops
  • 24h 05m total
  • Portsmouth to Osaka
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£101 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portsmouth to Kansai Intl 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 24 April 2026.
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 - KIX

SOUKIX

Southampton Eastleigh

Thu 4/6

06:45-12:45

2 stops22h 00m

Osaka Kansai Intl

Thu 11/6

15:30-19:30

3 stops36h 00m

£1,013

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

Mon 8/6

20:00-05:55

3 stops49h 55m

Osaka Kansai Intl

Mon 22/6

18:55-19:30

2 stops32h 35m

£1,228

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

Sun 12/7

09:20-17:25

2 stops24h 05m

Osaka Kansai Intl

Sun 19/7

18:55-19:30

2 stops32h 35m

£1,502

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

Mon 19/10

09:20-17:25

2 stops24h 05m

Osaka Kansai Intl

Thu 29/10

17:55-19:30

2 stops34h 35m

£1,816

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

Wed 14/10

09:20-17:25

2 stops24h 05m

Osaka Kansai Intl

Fri 30/10

17:55-19:30

2 stops58h 35m

£2,017

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

Sat 17/10

20:00-17:25

2 stops37h 25m

Osaka Kansai Intl

Fri 30/10

17:55-19:30

2 stops58h 35m

£2,042
Fastest return journey

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

Sat 6/6

09:15-10:15

1 stop17h 00m

Osaka Kansai Intl

Sat 13/6

11:25-16:50

2 stops37h 25m

£2,315

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

Thu 15/10

09:20-17:25

2 stops24h 05m

Osaka Kansai Intl

Sun 1/11

17:55-19:30

2 stops34h 35m

£3,490
Cheapest one-way
Fastest single journey

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

Thu 17/9

09:20-17:25

2 stops24h 05m

£710

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

Fri 18/9

19:55-17:25

2 stops37h 30m

£796

Flights are sorted by cheapest return flights first.

Deals found on 23/4

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

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

Related info for your journey

Find useful and relevant information for your journey from Portsmouth to Kansai Intl. 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 Portsmouth to Osaka Kansai Intl Airport?

    Qatar Airways can get you from Portsmouth to Osaka Kansai Intl Airport in just under 49h 55m. 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

Browse thousands of different options on Cheapflights for your next trip

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Top 9 airlines flying from Portsmouth to Kansai Intl

Discover the top 9 airlines that operate flights from Portsmouth to Kansai Intl. 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 24 April 2026.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£396Average£644FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest£428Average£579FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest£452Average£653FlexibilityNo cancel feeOn-time67%
Search Air China flights
Cathay PacificCheapest£698Average£859FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Etihad AirwaysCheapest£731Average£1,169FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Asiana AirlinesCheapest£751Average£1,048FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
KLMCheapest£781Average£1,228FlexibilityNo cancel feeOn-time75%
Search KLM flights
Thai AirwaysCheapest£995Average£1,131FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
EmiratesCheapest£1,015Average£1,106FlexibilityNo cancel feeOn-time75%
Search Emirates flights

Fly with Cheapflights

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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.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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