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Cheap flights from Portsmouth to Hong Kong from £406

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 31/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — HKG
23 Nov — 30 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portsmouth to Hong Kong

Keep the following information in mind while searching for Portsmouth to Hong Kong flight deals. Data was last updated 24 October 2025.

Round-trip from

£628

One-way from

£406

Popular in

July

Cheapest in

January

Average price

£692
KLM
  • KLM
  • 6/12-13/12
  • 3 total stops
  • 49h 40m total
  • Portsmouth to Hong Kong
Search Deals
31/12
  • 31/12
  • 2 total stops
  • 37h 05m total
  • Portsmouth to Hong Kong
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£108 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£30 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Find flight deals from Portsmouth to Hong Kong

Enter your travel dates to find the best prices.

Cheapest flights from Portsmouth to Hong Kong
Explore the most affordable flight options available from Portsmouth to Hong Kong. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 October 2025.

Sat 6/1209:25SOU - HKG
1 stop22h 55mKLM
Sat 13/1222:40HKG - SOU
2 stops26h 45mKLM
Deal found 22/10£628
Sat 6/1209:25SOU - HKG
3 stops25h 05mMultiple Airlines
Sat 13/1222:40HKG - SOU
2 stops24h 05mMultiple Airlines
Deal found 22/10£750
Mon 15/1214:35SOU - HKG
2 stops24h 25mMultiple Airlines
Thu 1/109:00HKG - SOU
3 stops42h 20mMultiple Airlines
Deal found 23/10£769
Tue 18/1120:10SOU - HKG
2 stops34h 40mQatar Airways
Tue 2/1200:25HKG - SOU
2 stops27h 15mQatar Airways
Deal found 23/10£781
Fri 12/1214:25SOU - HKG
2 stops24h 35mMultiple Airlines
Tue 6/120:35HKG - SOU
2 stops28h 45mMultiple Airlines
Deal found 23/10£954

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portsmouth to Hong Kong 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 24 October 2025.
Use the filters below to find and compare flights from Portsmouth to Hong Kong that are best for you.

Fly from

Portsmouth

Fly to

Hong Kong

Route

Depart

Return

Price

SouthamptonHong Kong

SOU - HKG

SOUHKG

Southampton Eastleigh

Sat 6/12

09:25-18:30

3 stops25h 05m

Hong Kong Intl

Sat 13/12

22:40-14:45

2 stops24h 05m

£750

SouthamptonHong Kong

SOU - HKG

SOUHKG

Southampton Eastleigh

Tue 10/2

16:05-21:40

2 stops21h 35m

Hong Kong Intl

Tue 3/3

18:05-11:55

2 stops25h 50m

£769

SouthamptonHong Kong

SOU - HKG

SOUHKG

Southampton Eastleigh

Mon 15/12

14:35-23:00

2 stops24h 25m

Hong Kong Intl

Thu 1/1

09:00-19:20

3 stops42h 20m

£769

SouthamptonHong Kong

SOU - HKG

SOUHKG

Southampton Eastleigh

Tue 18/11

20:10-14:50

2 stops34h 40m

Hong Kong Intl

Tue 2/12

00:25-19:40

2 stops27h 15m

£781

SouthamptonHong Kong

SOU - HKG

SOUHKG

Southampton Eastleigh

Mon 9/2

09:30-14:50

2 stops21h 20m

Hong Kong Intl

Wed 4/3

18:05-19:40

2 stops33h 35m

£782

SouthamptonHong Kong

SOU - HKG

SOUHKG

Southampton Eastleigh

Mon 9/2

09:30-14:50

2 stops21h 20m

Hong Kong Intl

Mon 2/3

18:05-15:35

2 stops29h 30m

£782

SouthamptonHong Kong

SOU - HKG

SOUHKG

Southampton Eastleigh

Thu 12/2

20:10-14:50

2 stops34h 40m

Hong Kong Intl

Sun 1/3

00:25-19:40

2 stops27h 15m

£782

SouthamptonHong Kong

SOU - HKG

SOUHKG

Southampton Eastleigh

Thu 12/2

20:10-14:50

2 stops34h 40m

Hong Kong Intl

Thu 5/3

18:05-19:40

2 stops33h 35m

£782

SouthamptonHong Kong

SOU - HKG

SOUHKG

Southampton Eastleigh

Mon 9/2

09:30-14:50

2 stops21h 20m

Hong Kong Intl

Thu 5/3

18:05-15:35

2 stops29h 30m

£782

SouthamptonHong Kong

SOU - HKG

SOUHKG

Southampton Eastleigh

Thu 12/2

09:30-21:40

2 stops28h 10m

Hong Kong Intl

Tue 3/3

18:05-15:35

2 stops29h 30m

£782

Flights are sorted by cheapest return flights first.

Deals found on 22/10

Showing 1-10 of 15 results
1
2

Best time to book a flight from Portsmouth to Hong Kong

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

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

Currently, March is the cheapest month in which you can book a flight from Portsmouth to Hong Kong (average of £252). Flying from Portsmouth to Hong Kong in July is currently the most expensive (average of £602). 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 HKG?

Find hourly flight availability from Portsmouth to Hong Kong. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 24 October 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 21% on flights from Portsmouth to Hong Kong by exploring options for tickets in the evening.

What is the cheapest day to fly from Portsmouth to Hong Kong?

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

Travellers seeking maximum savings on their Portsmouth to Hong Kong flight should consider departing on Saturday evenings when fares are most often at their lowest. Saturday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Hong Kong

Get insights into the airlines that provide service to Hong Kong. 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 Hong Kong. Reviews last updated 24 October 2025.
Read through reviews of airlines operating flights from Portsmouth to Hong Kong, such as KLM. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,405 reviews
Check prices

Entertainment

7.1

Crew

8.4

Food

7.3

Boarding

7.8

Comfort

7.6

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,405 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Entertainment

7.1

Crew

8.4

Food

7.3

Boarding

7.8

Comfort

7.6

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

Find useful and relevant information for your journey from Portsmouth to Hong Kong. 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 into for flights to Hong Kong from Portsmouth?

    Located just 16.2 mi from the city center, Hong Kong Intl is the airport most travelers will use when flying to Hong Kong from Portsmouth. Booking flights from Portsmouth to Hong Kong Intl (HKG) should be relatively easy as there are 0 daily inbound flights from Portsmouth from 22 different airlines.

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

    For as low as £781, Qatar Airways can have you in Hong Kong from Portsmouth in 34h 40m. The distance from Portsmouth to Hong Kong is about 6032 mi.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Portsmouth to Hong Kong on time: Cathay Pacific (80%), Iberia (68%), British Airways (68%).

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

    While on average a flight from Portsmouth to Hong Kong is generally £2,418, our data shows the cheapest flight currently is £490. When looking at the most popular route, (Southampton Eastleigh - Hong Kong Intl), you can expect to pay £628 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portsmouth to Hong Kong 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 Hong Kong?

    Currently, March is the cheapest month in which you can book a flight from Portsmouth to Hong Kong (average of £252). Flying from Portsmouth to Hong Kong in July is currently the most expensive (average of £602). 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 Hong Kong

Discover the top 10 airlines that operate flights from Portsmouth to Hong Kong. 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 24 October 2025.
AirlineCheapestAverageFlexibilityOn-time
EmiratesCheapest£250Average£737FlexibilityNo cancel feeOn-time75%
Search Emirates flights
China EasternCheapest£297Average£407FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest£310Average£388FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest£329Average£483FlexibilityNo cancel feeOn-time67%
Search Air China flights
LufthansaCheapest£361Average£623FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
SWISSCheapest£369Average£587FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Hainan AirlinesCheapest£375Average£482FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Etihad AirwaysCheapest£418Average£482FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Air IndiaCheapest£488Average£580FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Air FranceCheapest£510Average£668FlexibilityNo cancel feeOn-time77%
Search Air France flights

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