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Cheap flights from Hong Kong to Portsmouth from HK$3,874

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 21-8. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — LHR
6 Aug — 13 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Hong Kong to Portsmouth

Enter your travel dates to find the best prices.

Cheapest flights from Hong Kong to Portsmouth
Explore the most affordable flight options available from Hong Kong to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 July 2026.

Tue 4-822:20
HKG
-
SOU
2 stops41h 25m
KLM
Mon 7-917:20
SOU
-
HKG
1 stop15h 05m
KLM
Deal found 5-7HK$6,078
Tue 4-822:20
HKG
-
SOU
2 stops41h 25m
KLM
Sat 5-917:20
SOU
-
HKG
2 stops41h 20m
KLM
Deal found 5-7HK$6,431
Wed 5-822:20
HKG
-
SOU
2 stops41h 25m
KLM
Mon 7-917:20
SOU
-
HKG
1 stop15h 05m
KLM
Deal found 5-7HK$6,603
Fri 17-722:20
HKG
-
SOU
2 stops25h 40m
KLM
Mon 20-718:05
SOU
-
HKG
2 stops40h 35m
KLM
Deal found 3-7HK$6,666
Wed 22-708:55
HKG
-
SOU
2 stops30h 45m
Multiple Airlines
Sat 25-720:00
SOU
-
HKG
2 stops28h 25m
Multiple Airlines
Deal found 7-7HK$6,823
Wed 5-822:20
HKG
-
SOU
2 stops41h 25m
KLM
Sat 5-917:20
SOU
-
HKG
2 stops41h 20m
KLM
Deal found 5-7HK$6,949
Thu 6-822:20
HKG
-
SOU
2 stops41h 25m
KLM
Mon 7-917:20
SOU
-
HKG
1 stop15h 05m
KLM
Deal found 5-7HK$7,011
Mon 17-820:10
HKG
-
SOU
2 stops27h 40m
Multiple Airlines
Mon 24-809:20
SOU
-
HKG
2 stops40h 40m
Multiple Airlines
Deal found 3-7HK$7,027

Find flight deals from Hong Kong to Portsmouth

Keep the following information in mind while searching for Hong Kong to Portsmouth flight deals. Data was last updated 7 July 2026.

Round-trip from

HK$6,078

One-way from

HK$3,874

Popular in

September

Cheapest in

November

Average price

HK$7,192
KLM
  • KLM
  • 4-8-7-9
  • 3 total stops
  • 56h 30m total
  • Hong Kong to Portsmouth
Search Deals
21-8
  • 21-8
  • 2 total stops
  • 43h 25m total
  • Hong Kong to Portsmouth
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (HK$2,768 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (HK$659 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Hong Kong to Portsmouth 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 70,647 searches. Data last updated 7 July 2026.
Use the filters below to find and compare flights from Hong Kong to Portsmouth that are best for you.

Fly from

Fly to

Route

Departure

Return

Price

Cheapest return flight

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Tue 4-8

22:20-08:45

2 stops41h 25m

Southampton Eastleigh

Sat 5-9

17:20-17:40

2 stops41h 20m

HK$6,431

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Fri 17-7

22:20-17:00

2 stops25h 40m

Southampton Eastleigh

Mon 20-7

18:05-17:40

2 stops40h 35m

HK$6,666

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Wed 5-8

22:20-08:45

2 stops41h 25m

Southampton Eastleigh

Sat 5-9

17:20-17:40

2 stops41h 20m

HK$6,949

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Sun 19-7

20:10-19:30

2 stops30h 20m

Southampton Eastleigh

Wed 22-7

20:00-09:00

2 stops30h 00m

HK$7,035
Fastest return journey

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Tue 4-8

22:20-08:45

1 stop17h 25m

Southampton Eastleigh

Sun 6-9

09:15-17:40

2 stops25h 25m

HK$7,035

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Thu 6-8

22:20-08:45

2 stops41h 25m

Southampton Eastleigh

Sat 5-9

17:20-17:40

2 stops41h 20m

HK$7,349

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Tue 21-7

20:10-08:40

2 stops43h 30m

Southampton Eastleigh

Fri 24-7

17:20-09:00

2 stops32h 40m

HK$7,701

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Mon 9-11

00:25-19:25

2 stops27h 00m

Southampton Eastleigh

Mon 16-11

09:20-21:40

2 stops28h 20m

HK$9,176
Cheapest one-way

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Thu 20-8

20:05-07:20

3 stops42h 15m

HK$4,447

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Thu 26-11

00:25-16:35

2 stops24h 10m

HK$4,533

Flights are sorted by cheapest return flights first.

Deals found on 7-7

Showing 1-10 of 19 resultsSorted by cheapest first
1
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Best time to book a flight from Hong Kong to Portsmouth

Have a flexible travel schedule? Discover the best time to fly to Portsmouth from Hong Kong 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 Hong Kong to Portsmouth

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

Find hourly flight availability from Hong Kong to Portsmouth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 7 July 2026.

When flying from Hong Kong to Portsmouth, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Hong Kong to Portsmouth

Explore weekly flight availability from Hong Kong to Portsmouth. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 7 July 2026.

The most flights from HKG to P0R are scheduled on a Tuesday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

Related info for your journey

Find useful and relevant information for your journey from Hong Kong to Portsmouth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Hong Kong to Portsmouth?

    If you book a flight to Portsmouth from Hong Kong, you will be flying from Hong Kong Intl, which is the city’s only airport. Hong Kong Intl (HKG) is located 26.0 km from the centre of Hong Kong. There are 0 flights from Hong Kong Intl to Portsmouth per day from 14 different airlines.

  • How long is the flight from Hong Kong to Portsmouth?

    KLM can get you from Hong Kong to Portsmouth in just under 41h 25m. Your travel time can differ by up to . The distance from Hong Kong to Portsmouth is about 9708 km.

  • What are the most reliable airlines from Hong Kong to Portsmouth?

    Before booking your flight to Portsmouth from Hong Kong, have a look at the most reliable airlines to get you to your destination on time: Iberia (97%), British Airways (97%), Cathay Pacific( 56%).

  • What are the cheapest flights from Hong Kong to Portsmouth?

    Looking for the cheapest flight from Hong Kong to Portsmouth? While on average our users pay HK$10,641, our data indicates the cheapest price to be HK$5,051. The most popular route (Hong Kong Intl - Southampton Eastleigh), is priced around HK$6,847.

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

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

  • How can I find direct flights from Hong Kong to Portsmouth?

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

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

    Yes. Cheapflights offers flight deals from Hong Kong to Portsmouth 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 10 airlines flying from Hong Kong to Portsmouth

Discover the top 10 airlines that operate flights from Hong Kong to Portsmouth. 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 70,647 searches. Data last updated 7 July 2026.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapestHK$3,684AverageHK$5,180FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapestHK$4,007AverageHK$6,241FlexibilityNo cancel feeOn-time67%
Search Air China flights
Air FranceCheapestHK$4,179AverageHK$5,241FlexibilityNo cancel feeOn-time77%
Search Air France flights
China EasternCheapestHK$4,198AverageHK$6,267FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
KLMCheapestHK$4,270AverageHK$6,285FlexibilityNo cancel feeOn-time75%
Search KLM flights
SWISSCheapestHK$4,342AverageHK$6,172FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Etihad AirwaysCheapestHK$4,388AverageHK$5,666FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
LufthansaCheapestHK$4,512AverageHK$6,730FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
FinnairCheapestHK$4,569AverageHK$6,417FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Singapore AirlinesCheapestHK$4,761AverageHK$6,702FlexibilityNo cancel feeOn-time81%
Search Singapore 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 Hong Kong to Portsmouth?

Deals for Hong Kong to Portsmouth 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 Hong Kong to Portsmouth?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Hong Kong to Portsmouth.

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

Certainly. Search results for flights to Portsmouth from Hong Kong 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 Hong Kong to Portsmouth become cheaper?

Yes, Cheapflights offers price alerts on Hong Kong to Portsmouth 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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