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Cheap flights from Portsmouth to Osaka Kansai Intl Airport from £1,355

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — KIX
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portsmouth to Kansai Intl

Enter your travel dates to find the best prices.

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 12 December 2025.

Sun 18/109:30SOU - KIX
2 stops21h 55mQatar Airways
Thu 22/117:55KIX - SOU
2 stops34h 45mQatar Airways
Deal found 9/12£1,355
Sun 29/309:10SOU - KIX
2 stops24h 15mMultiple Airlines
Thu 16/418:55KIX - SOU
2 stops32h 35mMultiple Airlines
Deal found 11/12£1,721
Mon 30/320:00SOU - KIX
2 stops37h 25mQatar Airways
Thu 16/418:55KIX - SOU
2 stops32h 35mQatar Airways
Deal found 11/12£1,652
Mon 30/320:00SOU - KIX
2 stops37h 25mQatar Airways
Wed 15/418:55KIX - SOU
2 stops32h 35mQatar Airways
Deal found 11/12£1,652
Sat 28/309:30SOU - KIX
2 stops46h 55mQatar Airways
Thu 16/418:55KIX - SOU
2 stops32h 35mQatar Airways
Deal found 11/12£1,683
Thu 26/309:30SOU - KIX
2 stops21h 55mQatar Airways
Wed 15/418:55KIX - SOU
2 stops32h 35mQatar Airways
Deal found 11/12£1,703
Sun 29/309:10SOU - KIX
2 stops24h 15mQatar Airways
Thu 16/418:55KIX - SOU
2 stops32h 35mQatar Airways
Deal found 11/12£1,730
Tue 31/309:10SOU - KIX
2 stops24h 15mQatar Airways
Tue 14/418:55KIX - SOU
2 stops32h 35mQatar Airways
Deal found 11/12£1,747
Tue 31/309:10SOU - KIX
2 stops24h 15mQatar Airways
Sun 19/418:55KIX - SOU
2 stops32h 35mQatar Airways
Deal found 11/12£1,774
Tue 31/309:10SOU - KIX
2 stops24h 15mQatar Airways
Sat 18/418:55KIX - SOU
2 stops32h 35mQatar Airways
Deal found 11/12£1,816

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 12 December 2025.

Round-trip from

£1,355

Popular in

July

Cheapest in

November

Average price

£937
Qatar Airways
  • Qatar Airways
  • 18/1-22/1
  • 4 total stops
  • 56h 40m total
  • Portsmouth to Osaka
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£89 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 12 December 2025.
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

Sun 18/1

09:30-16:25

2 stops21h 55m

Osaka Kansai Intl

Thu 22/1

17:55-19:40

2 stops34h 45m

£1,355

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

Mon 30/3

20:00-17:25

2 stops37h 25m

Osaka Kansai Intl

Thu 16/4

18:55-19:30

2 stops32h 35m

£1,652

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

Mon 30/3

20:00-17:25

2 stops37h 25m

Osaka Kansai Intl

Wed 15/4

18:55-19:30

2 stops32h 35m

£1,652

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

Sat 28/3

09:30-17:25

2 stops46h 55m

Osaka Kansai Intl

Thu 16/4

18:55-19:30

2 stops32h 35m

£1,683

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

Thu 26/3

09:30-16:25

2 stops21h 55m

Osaka Kansai Intl

Wed 15/4

18:55-19:30

2 stops32h 35m

£1,703

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

Sun 29/3

09:10-17:25

2 stops24h 15m

Osaka Kansai Intl

Thu 16/4

18:55-19:30

2 stops32h 35m

£1,721

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

Sun 29/3

09:10-17:25

2 stops24h 15m

Osaka Kansai Intl

Thu 16/4

18:55-19:30

2 stops32h 35m

£1,730

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

Tue 31/3

09:10-17:25

2 stops24h 15m

Osaka Kansai Intl

Tue 14/4

18:55-19:30

2 stops32h 35m

£1,747

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

Tue 31/3

09:10-17:25

2 stops24h 15m

Osaka Kansai Intl

Sun 19/4

18:55-19:30

2 stops32h 35m

£1,774

SouthamptonOsaka

SOU - KIX

SOUKIX

Southampton Eastleigh

Tue 31/3

09:10-17:25

2 stops24h 15m

Osaka Kansai Intl

Sat 18/4

18:55-19:30

2 stops32h 35m

£1,816

Flights are sorted by cheapest return flights first.

Deals found on 9/12

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 £308). Flying from Portsmouth to Osaka Kansai Intl Airport in July is currently the most expensive (average of £722). 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.

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

Find hourly flight availability from Portsmouth to Kansai Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 December 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 19% on flights from Portsmouth to Osaka Kansai Intl Airport by exploring options for tickets in the evening.

What is the cheapest day to fly from Portsmouth to Osaka Kansai Intl Airport?

Use this chart to determine the cheapest time to fly return from Portsmouth to Kansai Intl. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Portsmouth to Osaka Kansai Intl Airport flight should consider departing on Thursday afternoons when fares are most often at their lowest. Sunday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

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 21h 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.

  • 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 £308). Flying from Portsmouth to Osaka Kansai Intl Airport in July is currently the most expensive (average of £722). 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 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£394Average£601FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest£431Average£537FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest£438Average£653FlexibilityNo cancel feeOn-time67%
Search Air China flights
Shenzhen AirlinesCheapest£452Average£579FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
Cathay PacificCheapest£687Average£854FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
FinnairCheapest£721Average£935FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£727Average£866FlexibilityNo cancel feeOn-time75%
Search KLM flights
ANACheapest£734Average£975FlexibilityNo cancel feeOn-time80%
Search ANA flights
Etihad AirwaysCheapest£739Average£1,061FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Asiana AirlinesCheapest£759Average£945FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines 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!

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