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Cheap flights from Portsmouth to Osaka Kansai Intl Airport from £695

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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — KIX
13 Jun — 20 Jun1
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 14 May 2026.

Sat 6/606:45
SOU
-
KIX
2 stops22h 00m
Multiple Airlines
Fri 12/614:20
KIX
-
SOU
2 stops29h 40m
Multiple Airlines
Deal found 10/5£1,000
Sat 6/617:20
SOU
-
KIX
2 stops32h 20m
KLM
Fri 12/611:55
KIX
-
SOU
1 stop36h 55m
KLM
Deal found 10/5£1,446
Tue 27/1020:00
SOU
-
KIX
2 stops35h 25m
Qatar Airways
Fri 6/1117:55
KIX
-
SOU
2 stops58h 35m
Qatar Airways
Deal found 9/5£1,452
Mon 26/1020:00
SOU
-
KIX
2 stops59h 25m
Qatar Airways
Fri 6/1117:55
KIX
-
SOU
2 stops58h 35m
Qatar Airways
Deal found 9/5£1,461
Tue 27/1020:00
SOU
-
KIX
2 stops35h 25m
Qatar Airways
Thu 5/1117:55
KIX
-
SOU
2 stops34h 35m
Qatar Airways
Deal found 9/5£1,711
Mon 26/1020:00
SOU
-
KIX
2 stops59h 25m
Qatar Airways
Thu 5/1117:55
KIX
-
SOU
2 stops34h 35m
Qatar Airways
Deal found 9/5£1,720

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 14 May 2026.

Round-trip from

£1,000

One-way from

£695

Popular in

July

Cheapest in

January

Average price

£532
6/6-12/6
  • 6/6-12/6
  • 4 total stops
  • 51h 40m total
  • Portsmouth to Osaka
Search Deals
8/9
  • 8/9
  • 2 total stops
  • 37h 25m total
  • Portsmouth to Osaka
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£98 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 14 May 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
Fastest return journey

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

Sat 6/6

06:45-12:45

2 stops22h 00m

Osaka Kansai Intl

Fri 12/6

14:20-12:00

2 stops29h 40m

£1,000

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

Sat 6/6

17:20-09:40

2 stops32h 20m

Osaka Kansai Intl

Fri 12/6

11:55-16:50

1 stop36h 55m

£1,446

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

Sat 24/10

20:00-16:25

2 stops36h 25m

Osaka Kansai Intl

Fri 6/11

17:55-19:30

2 stops58h 35m

£1,723

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

Sat 24/10

20:00-16:25

2 stops36h 25m

Osaka Kansai Intl

Thu 5/11

17:55-14:45

2 stops29h 50m

£1,942

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

Fri 23/10

20:00-16:25

2 stops36h 25m

Osaka Kansai Intl

Fri 6/11

17:55-19:30

2 stops58h 35m

£1,951
Cheapest one-way

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

Tue 8/9

20:00-17:25

2 stops37h 25m

£695

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

Sun 13/9

09:20-17:25

2 stops24h 05m

£722

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

Sun 6/9

09:20-17:25

2 stops24h 05m

£722
Fastest single journey

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

Sun 6/9

09:20-17:25

2 stops24h 05m

£730

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

Wed 9/9

09:20-17:25

2 stops24h 05m

£789

Flights are sorted by cheapest return flights first.

Deals found on 11/5

Showing 1-10 of 12 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.

  • 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.

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 14 May 2026.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£395Average£642FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest£427Average£578FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest£455Average£754FlexibilityNo cancel feeOn-time67%
Search Air China flights
Cathay PacificCheapest£716Average£869FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Asiana AirlinesCheapest£749Average£972FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
KLMCheapest£779Average£1,224FlexibilityNo cancel feeOn-time75%
Search KLM flights
Etihad AirwaysCheapest£841Average£1,166FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Thai AirwaysCheapest£1,010Average£1,129FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
EmiratesCheapest£1,012Average£1,104FlexibilityNo 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.

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