Find flights
When to book
FAQs

Cheap flights from Portsmouth to Osaka Kansai Intl Airport from £769

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — KIX
12 Feb — 19 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap 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 13 January 2026.

Round-trip from

£769

Popular in

July

Cheapest in

January

Average price

£487
26/2-5/3
  • 26/2-5/3
  • 6 total stops
  • 56h 10m total
  • Portsmouth to Osaka
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£95 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Find 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 13 January 2026.

Thu 26/208:50
SOU
-
KIX
3 stops24h 10m
Multiple Airlines
Thu 5/309:20
KIX
-
SOU
3 stops32h 00m
Multiple Airlines
Deal found 12/1£769
Fri 16/117:35
SOU
-
KIX
1 stop32h 45m
KLM
Fri 23/112:45
KIX
-
SOU
2 stops29h 00m
KLM
Deal found 10/1£967
Wed 25/212:25
SOU
-
KIX
3 stops25h 20m
Multiple Airlines
Wed 4/310:00
KIX
-
SOU
3 stops36h 35m
Multiple Airlines
Deal found 11/1£1,041
Mon 9/219:55
SOU
-
KIX
2 stops32h 25m
Multiple Airlines
Mon 16/218:40
KIX
-
SOU
3 stops31h 50m
Multiple Airlines
Deal found 12/1£1,093
Fri 16/114:25
SOU
-
KIX
3 stops41h 20m
Multiple Airlines
Fri 23/109:45
KIX
-
SOU
3 stops38h 00m
Multiple Airlines
Deal found 10/1£1,102
Tue 24/217:35
SOU
-
KIX
1 stop32h 45m
KLM
Tue 3/313:00
KIX
-
SOU
1 stop28h 20m
KLM
Deal found 10/1£1,127
Tue 24/219:35
SOU
-
KIX
3 stops31h 35m
Multiple Airlines
Tue 3/310:00
KIX
-
SOU
3 stops38h 35m
Multiple Airlines
Deal found 10/1£1,188

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 13 January 2026.
Use the filters below to find and compare flights from Portsmouth to Osaka Kansai Intl Airport that are best for you.

Fly from

Portsmouth

Fly to

Kansai Intl

Route

Depart

Return

Price

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

Mon 9/2

19:55-13:20

2 stops32h 25m

Osaka Kansai Intl

Mon 16/2

18:40-17:30

3 stops31h 50m

£1,093

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

Tue 24/2

17:35-11:20

1 stop32h 45m

Osaka Kansai Intl

Tue 3/3

13:00-08:20

1 stop28h 20m

£1,127

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

Tue 24/3

12:25-16:25

2 stops43h 00m

Osaka Kansai Intl

Wed 15/4

18:55-19:30

2 stops32h 35m

£1,434

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

Mon 23/3

20:10-16:25

2 stops59h 15m

Osaka Kansai Intl

Wed 15/4

18:55-19:30

2 stops32h 35m

£1,439

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

Wed 3/6

20:00-17:25

2 stops37h 25m

Osaka Kansai Intl

Thu 11/6

18:55-19:30

2 stops32h 35m

£1,489

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

Tue 9/6

20:00-17:25

2 stops37h 25m

Osaka Kansai Intl

Mon 15/6

18:55-19:30

2 stops32h 35m

£1,521

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

Wed 3/6

20:00-17:25

2 stops37h 25m

Osaka Kansai Intl

Mon 15/6

18:55-19:30

2 stops32h 35m

£1,521

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

Fri 5/6

20:00-17:25

2 stops37h 25m

Osaka Kansai Intl

Sun 14/6

18:55-19:30

2 stops32h 35m

£1,542

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

Fri 5/6

20:00-17:25

2 stops37h 25m

Osaka Kansai Intl

Mon 15/6

18:55-19:30

2 stops32h 35m

£1,547

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

Tue 14/4

09:10-17:25

2 stops24h 15m

£811

Flights are sorted by cheapest return flights first.

Deals found on 11/1

Showing 1-10 of 12 results
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

What is the cheapest month to book a flight from Portsmouth to Osaka Kansai Intl Airport?

Currently, March is the cheapest month in which you can book a flight from Portsmouth to Osaka Kansai Intl Airport (average of £306). Flying from Portsmouth to Osaka Kansai Intl Airport in July is currently the most expensive (average of £721). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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?

    KLM and Qatar Airways can get you from Portsmouth to Osaka Kansai Intl Airport in just under 32h 45m. Your travel time can differ by up to 10h 15m. The distance between Portsmouth and Osaka Kansai Intl Airport is about 5970 mi. This flight may include one or multiple stops.

  • 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.

  • What is the cheapest month to book a flight from Portsmouth to Osaka Kansai Intl Airport?

    Currently, March is the cheapest month in which you can book a flight from Portsmouth to Osaka Kansai Intl Airport (average of £306). Flying from Portsmouth to Osaka Kansai Intl Airport in July is currently the most expensive (average of £721). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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.

Top 10 airlines flying from Portsmouth to Kansai Intl

Discover the top 10 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 13 January 2026.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£382Average£596FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest£429Average£535FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest£436Average£652FlexibilityNo cancel feeOn-time67%
Search Air China flights
Cathay PacificCheapest£684Average£858FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
ANACheapest£714Average£986FlexibilityNo cancel feeOn-time80%
Search ANA flights
FinnairCheapest£718Average£930FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£723Average£861FlexibilityNo cancel feeOn-time75%
Search KLM flights
Etihad AirwaysCheapest£735Average£1,092FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Asiana AirlinesCheapest£770Average£960FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Thai AirwaysCheapest£778Average£1,116FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.