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Cheap flights from Portsmouth to Osaka Kansai Intl Airport from £920

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — KIX
19 May — 26 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 19 April 2026.

Fri 29/517:20
SOU
-
KIX
2 stops34h 30m
Multiple Airlines
Fri 5/618:40
KIX
-
SOU
2 stops32h 50m
Multiple Airlines
Deal found 14/4£920
Mon 25/509:20
SOU
-
KIX
3 stops29h 25m
Multiple Airlines
Thu 28/511:45
KIX
-
SOU
3 stops29h 40m
Multiple Airlines
Deal found 14/4£992
Tue 19/506:45
SOU
-
KIX
2 stops21h 05m
Multiple Airlines
Tue 26/518:20
KIX
-
SOU
3 stops31h 25m
Multiple Airlines
Deal found 15/4£1,047
Sun 14/620:00
SOU
-
KIX
2 stops37h 25m
Multiple Airlines
Tue 23/618:55
KIX
-
SOU
2 stops29h 55m
Multiple Airlines
Deal found 15/4£1,057
Tue 2/620:00
SOU
-
KIX
3 stops35h 10m
Multiple Airlines
Tue 9/609:20
KIX
-
SOU
3 stops42h 10m
Multiple Airlines
Deal found 18/4£1,069

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 19 April 2026.

Round-trip from

£920

Popular in

July

Cheapest in

January

Average price

£677
29/5-5/6
  • 29/5-5/6
  • 4 total stops
  • 67h 20m total
  • Portsmouth to Osaka
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£93 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 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 19 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
Fastest return journey

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

Tue 19/5

06:45-11:50

2 stops21h 05m

Osaka Kansai Intl

Tue 26/5

18:20-17:45

3 stops31h 25m

£1,047

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

Sun 14/6

20:00-17:25

2 stops37h 25m

Osaka Kansai Intl

Tue 23/6

18:55-16:50

2 stops29h 55m

£1,057

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

Fri 29/5

17:20-11:50

2 stops34h 30m

Osaka Kansai Intl

Fri 5/6

09:20-12:00

3 stops34h 40m

£1,062

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

Tue 2/6

20:00-15:10

3 stops35h 10m

Osaka Kansai Intl

Tue 9/6

09:20-19:30

3 stops42h 10m

£1,069

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

Mon 25/5

17:20-11:50

2 stops34h 30m

Osaka Kansai Intl

Thu 28/5

23:45-12:00

2 stops44h 15m

£1,199

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

Tue 19/5

17:20-10:15

1 stop32h 55m

Osaka Kansai Intl

Tue 26/5

11:55-08:35

1 stop28h 40m

£1,439

Flights are sorted by cheapest return flights first.

Deals found on 15/4

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.
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 19 April 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£451Average£651FlexibilityNo cancel feeOn-time67%
Search Air China flights
Cathay PacificCheapest£696Average£857FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Etihad AirwaysCheapest£729Average£1,166FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Asiana AirlinesCheapest£749Average£1,045FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
KLMCheapest£779Average£1,224FlexibilityNo cancel feeOn-time75%
Search KLM flights
Thai AirwaysCheapest£993Average£1,128FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
EmiratesCheapest£1,013Average£1,104FlexibilityNo cancel feeOn-time75%
Search Emirates flights

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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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