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Cheap flights from Hong Kong to Portsmouth from HK$4,677

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 15-4. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — LHR
20 Apr — 27 Apr1
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 21 March 2026.

Sat 2-520:10
HKG
-
SOU
2 stops43h 30m
Multiple Airlines
Sat 9-520:00
SOU
-
HKG
2 stops54h 00m
Multiple Airlines
Deal found 18-3HK$6,941
Mon 4-520:40
HKG
-
SOU
3 stops29h 50m
Multiple Airlines
Mon 11-520:40
SOU
-
HKG
3 stops44h 05m
Multiple Airlines
Deal found 20-3HK$7,098
Fri 1-518:15
HKG
-
SOU
2 stops32h 15m
Qatar Airways
Thu 4-620:00
SOU
-
HKG
2 stops44h 20m
Qatar Airways
Deal found 20-3HK$10,177
Fri 1-518:15
HKG
-
SOU
2 stops32h 15m
Qatar Airways
Fri 5-620:00
SOU
-
HKG
2 stops44h 20m
Qatar Airways
Deal found 20-3HK$10,255
Fri 1-518:15
HKG
-
SOU
2 stops32h 15m
Qatar Airways
Sat 6-620:00
SOU
-
HKG
2 stops44h 20m
Qatar Airways
Deal found 20-3HK$10,420
Mon 11-518:15
HKG
-
SOU
2 stops32h 15m
Qatar Airways
Fri 15-520:00
SOU
-
HKG
2 stops44h 20m
Qatar Airways
Deal found 16-3HK$10,474

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 21 March 2026.

Round-trip from

HK$6,941

One-way from

HK$4,677

Popular in

July

Cheapest in

November

Average price

HK$6,330
2-5-9-5
  • 2-5-9-5
  • 4 total stops
  • 97h 30m total
  • Hong Kong to Portsmouth
Search Deals
15-4
  • 15-4
  • 3 total stops
  • 31h 30m total
  • Hong Kong to Portsmouth
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (HK$1,812 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (HK$522 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 21 March 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

Sat 2-5

20:10-08:40

2 stops43h 30m

Southampton Eastleigh

Sat 9-5

20:00-09:00

2 stops54h 00m

HK$6,941

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Mon 4-5

20:40-19:30

3 stops29h 50m

Southampton Eastleigh

Mon 11-5

20:40-23:45

3 stops44h 05m

HK$7,098

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Fri 1-5

18:15-19:30

2 stops32h 15m

Southampton Eastleigh

Mon 8-6

20:00-23:20

2 stops44h 20m

HK$10,255

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Fri 1-5

18:15-19:30

2 stops32h 15m

Southampton Eastleigh

Fri 5-6

20:00-23:20

2 stops44h 20m

HK$10,255

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Mon 11-5

18:15-19:30

2 stops32h 15m

Southampton Eastleigh

Fri 15-5

20:00-23:20

2 stops44h 20m

HK$10,474
Fastest return journey

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Fri 1-5

00:55-19:30

2 stops25h 35m

Southampton Eastleigh

Fri 5-6

20:00-23:20

2 stops44h 20m

HK$10,498

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Fri 1-5

00:55-19:30

2 stops25h 35m

Southampton Eastleigh

Sat 6-6

20:00-23:20

2 stops44h 20m

HK$10,647
Cheapest one-way
Fastest single journey

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Tue 5-5

00:55-19:30

2 stops25h 35m

HK$5,790

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Fri 1-5

18:15-19:30

2 stops32h 15m

HK$5,790

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Tue 5-5

18:15-19:30

2 stops32h 15m

HK$5,790

Flights are sorted by cheapest return flights first.

Deals found on 19-3

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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 month to book a flight from Hong Kong to Portsmouth?

Currently, August is the cheapest month in which you can book a flight from Hong Kong to Portsmouth (average of HK$917). Flying from Hong Kong to Portsmouth in September is currently the most expensive (average of HK$5,327). 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 HK 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 21 March 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 21 March 2026.

The most flights from HK0 to P0R are scheduled on a Saturday (8 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

Reviews of airlines servicing Portsmouth

Get insights into the airlines that provide service to Portsmouth. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portsmouth. Reviews last updated 21 March 2026.
Read reviews from past customers who have flown with KLM from Hong Kong to Portsmouth. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,475 reviews
Check prices

Crew

8.4

Overall

7.8

Boarding

7.8

Entertainment

7.1

Comfort

7.6

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.8
Good
1,475 reviews
KLM
7.8
Good
1,475 reviews
Check prices

Crew

8.4

Overall

7.8

Boarding

7.8

Entertainment

7.1

Comfort

7.6

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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.

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

    Qatar Airways can get you from Hong Kong to Portsmouth in just under 32h 15m. 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 (82%), British Airways (82%), Cathay Pacific( 74%).

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

    Looking at all options, your cheapest flight can be booked for HK$4,582. While the most popular route (Hong Kong Intl - Southampton Eastleigh) can be booked for HK$6,941 on average, our data indicates HK$26,084 when flying from Hong Kong to Portsmouth.

  • 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.

  • What is the cheapest month to book a flight from Hong Kong to Portsmouth?

    Currently, August is the cheapest month in which you can book a flight from Hong Kong to Portsmouth (average of HK$917). Flying from Hong Kong to Portsmouth in September is currently the most expensive (average of HK$5,327). 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

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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 21 March 2026.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapestHK$633AverageHK$6,164FlexibilityNo cancel feeOn-time79%
Search SWISS flights
China SouthernCheapestHK$3,029AverageHK$5,194FlexibilityNo cancel feeOn-time69%
Search China Southern flights
LufthansaCheapestHK$3,563AverageHK$5,648FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air FranceCheapestHK$4,174AverageHK$5,225FlexibilityNo cancel feeOn-time77%
Search Air France flights
China EasternCheapestHK$4,194AverageHK$6,055FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
KLMCheapestHK$4,265AverageHK$6,881FlexibilityNo cancel feeOn-time75%
Search KLM flights
Etihad AirwaysCheapestHK$4,361AverageHK$5,141FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Air ChinaCheapestHK$4,386AverageHK$6,210FlexibilityNo cancel feeOn-time67%
Search Air China flights
FinnairCheapestHK$4,565AverageHK$6,082FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Singapore AirlinesCheapestHK$4,756AverageHK$5,957FlexibilityNo 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?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Portsmouth from Hong Kong today with Cheapflights!

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

Millions of users choose and trust Cheapflights to book the best flight deals from Hong Kong to Portsmouth for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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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