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Cheap flights from Portsmouth to Osaka from £992

LHR — OSA
8 Oct — 15 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portsmouth to Osaka

Enter your travel dates to find the best prices.

Cheapest flights from Portsmouth to Osaka

Fri 4/917:20 -
1 stop32h 55m
Fri 11/911:55 -
1 stop28h 50m
Deal found 3/9£992
Fri 4/909:25 -
2 stops29h 20m
Fri 11/914:25 -
3 stops37h 05m
Deal found 3/9£1,049
Thu 15/1009:20 -
3 stops27h 40m
Tue 20/1014:25 -
3 stops37h 05m
Deal found 6/9£1,091
Thu 8/1019:30 -
3 stops33h 15m
Fri 23/1013:40 -
3 stops37h 50m
Deal found 3/9£1,102
Wed 14/1009:15 -
3 stops25h 15m
Wed 21/1015:00 -
3 stops36h 30m
Deal found 4/9£1,153

Find flight deals from Portsmouth to Osaka

Round-trip from

£992

Popular in

July

Cheapest in

January

Average price

£623
Qatar Airways
  • Qatar Airways
  • 15/2-8/3
  • 4 total stops
  • 56h 40m total
  • Portsmouth to Osaka
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Highest demand for flights based on searches. 18% potential increase in price (£116 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£19 potential savings vs. average return price).
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Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Portsmouth to Osaka that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonOsaka

SOU Southampton Eastleigh - KIX Osaka Kansai Intl

SOUKIX

Southampton Eastleigh

Mon 15/2

09:20-16:25

2 stops22h 05m

Osaka Kansai Intl

Thu 11/3

17:55-19:30

2 stops34h 35m

£992

SouthamptonOsaka

SOU Southampton Eastleigh - KIX Osaka Kansai Intl

SOUKIX

Southampton Eastleigh

Tue 16/2

20:00-16:25

2 stops35h 25m

Osaka Kansai Intl

Mon 8/3

17:55-19:30

2 stops34h 35m

£992

SouthamptonOsaka

SOU Southampton Eastleigh - KIX Osaka Kansai Intl

SOUKIX

Southampton Eastleigh

Mon 15/2

09:20-16:25

2 stops22h 05m

Osaka Kansai Intl

Sun 7/3

17:55-19:30

2 stops34h 35m

£1,019

SouthamptonOsaka

SOU Southampton Eastleigh - KIX Osaka Kansai Intl

SOUKIX

Southampton Eastleigh

Sun 21/2

09:20-16:25

2 stops22h 05m

Osaka Kansai Intl

Thu 11/3

17:55-19:30

2 stops34h 35m

£1,019

SouthamptonOsaka

SOU Southampton Eastleigh - KIX Osaka Kansai Intl

SOUKIX

Southampton Eastleigh

Wed 17/2

20:00-16:25

2 stops35h 25m

Osaka Kansai Intl

Fri 12/3

17:55-19:30

2 stops58h 35m

£1,028

SouthamptonOsaka

SOU Southampton Eastleigh - KIX Osaka Kansai Intl

SOUKIX

Southampton Eastleigh

Fri 19/2

20:00-16:25

2 stops35h 25m

Osaka Kansai Intl

Fri 12/3

17:55-19:30

2 stops58h 35m

£1,054

SouthamptonOsaka

SOU Southampton Eastleigh - KIX Osaka Kansai Intl

SOUKIX

Southampton Eastleigh

Thu 15/10

09:20-21:00

3 stops27h 40m

Osaka Kansai Intl

Tue 20/10

14:25-19:30

3 stops37h 05m

£1,091
Fastest return journey

SouthamptonOsaka

SOU Southampton Eastleigh - KIX Osaka Kansai Intl

SOUKIX

Southampton Eastleigh

Wed 14/10

09:15-18:00

2 stops24h 45m

Osaka Kansai Intl

Wed 21/10

09:30-08:35

2 stops31h 05m

£1,182

SouthamptonOsaka

SOU Southampton Eastleigh - KIX Osaka Kansai Intl

SOUKIX

Southampton Eastleigh

Thu 8/10

17:20-09:40

2 stops32h 20m

Osaka Kansai Intl

Fri 23/10

11:55-08:45

1 stop28h 50m

£1,399

SouthamptonOsaka

SOU Southampton Eastleigh - KIX Osaka Kansai Intl

SOUKIX

Southampton Eastleigh

Tue 15/12

09:20-16:25

2 stops46h 05m

Osaka Kansai Intl

Thu 31/12

17:55-11:55

2 stops27h 00m

£1,474

Flights are sorted by cheapest return flights first.

Deals found on 6/9

Sorted by cheapest first

Best time to book a flight from Portsmouth to Osaka

Have a flexible travel schedule? Discover the best time to fly to Osaka from Portsmouth with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Portsmouth to Osaka

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

Related info for your journey

  • How long is the flight from Portsmouth to Osaka?

    Qatar Airways can get you from Portsmouth to Osaka in just under 22h 05m. Your travel time can differ by up to . Airlines will cover a distance of 5970 mi.

  • Can I find deals for flights from Portsmouth to Osaka that include hotel bookings?

    Yes. In addition to deals on Portsmouth to Osaka flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Portsmouth to Osaka?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portsmouth to Osaka.

  • Can I find deals for business class flights from Portsmouth to Osaka?

    Yes. Cheapflights offers flight deals from Portsmouth to Osaka 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

Top 8 airlines flying from Portsmouth to Osaka

AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£361Average£599FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest£427Average£444FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest£451Average£742FlexibilityNo cancel feeOn-time67%
Search Air China flights
KLMCheapest£555Average£688FlexibilityNo cancel feeOn-time75%
Search KLM flights
Etihad AirwaysCheapest£629Average£1,135FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Cathay PacificCheapest£732Average£893FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Asiana AirlinesCheapest£738Average£881FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
EmiratesCheapest£978Average£1,066FlexibilityNo cancel feeOn-time75%
Search Emirates flights

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Cheapflights helps you search for flights from Portsmouth to Osaka via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Portsmouth to Osaka?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Portsmouth to Osaka for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Portsmouth to Osaka with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Portsmouth to Osaka, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights offers price alerts on Portsmouth to Osaka flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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