In terms of precipitation, rainfall in Portsmouth ranges from 25.0 - 76.0 inches per month. December is typically the wettest month, when rainfall can reach 76.0 mm. July is typically the driest time to visit Portsmouth when rainfall is around 25.0 mm.

If weather is an important factor for your trip to Portsmouth, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 18.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 4.0 C).

What are the cheapest flights from Hong Kong to Portsmouth?

Looking at all options, your cheapest flight can be booked for HK$5,046. While the most popular route (Hong Kong Intl - Southampton Eastleigh) can be booked for HK$9,206 on average, our data indicates HK$20,324 when flying from Hong Kong to Portsmouth.

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 (75%), British Airways (75%), Cathay Pacific( 69%).

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.

HK$7,308+ Cheap Flights from Hong Kong to Portsmouth

Cheap flight deals from Hong Kong to Portsmouth

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 3 September 2026.

Mon 14-920:20 -

2 stops27h 30m

Thu 17-920:00 -

2 stops30h 00m

Deal found 30-8HK$7,308

Sun 13-917:05 -

2 stops33h 25m

Wed 16-920:00 -

2 stops30h 00m

Deal found 29-8HK$7,340

Tue 15-920:20 -

2 stops30h 10m

Fri 18-920:00 -

2 stops30h 00m

Deal found 31-8HK$7,559

Thu 17-922:50 -

2 stops49h 00m

Sun 20-909:15 -

2 stops25h 25m

Deal found 2-9HK$9,151

Wed 16-920:20 -

2 stops27h 30m

Sat 19-920:00 -

2 stops30h 00m

Deal found 1-9HK$9,206

Find flight deals from Hong Kong to Portsmouth

Round-trip from	HK$7,308
Popular in	September
Cheapest in	May
Average price	HK$7,716

14-9-17-9
4 total stops
57h 30m total
Hong Kong to Portsmouth

Search Deals

Highest demand for flights based on searches. 5% potential increase in price (HK$2,997 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (HK$665 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

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 Hong Kong Intl - SOU Southampton Eastleigh

HKGSOU

Hong Kong Intl

Sun 13-9

17:05-19:30

2 stops33h 25m

Southampton Eastleigh

Wed 16-9

20:00-09:00

2 stops30h 00m

HK$7,340

Hong KongSouthampton

HKG Hong Kong Intl - SOU Southampton Eastleigh

HKGSOU

Hong Kong Intl

Tue 15-9

20:20-19:30

2 stops30h 10m

Southampton Eastleigh

Fri 18-9

20:00-09:00

2 stops30h 00m

HK$7,559

Hong KongSouthampton

HKG Hong Kong Intl - SOU Southampton Eastleigh

HKGSOU

Hong Kong Intl

Mon 14-9

13:30-16:50

3 stops34h 20m

Southampton Eastleigh

Thu 17-9

20:00-09:00

2 stops30h 00m

HK$7,826

Hong KongSouthampton

HKG Hong Kong Intl - SOU Southampton Eastleigh

HKGSOU

Hong Kong Intl

Wed 16-9

20:20-16:50

2 stops27h 30m

Southampton Eastleigh

Sat 19-9

20:00-09:00

2 stops30h 00m

HK$9,206

Fastest return journey

Hong KongSouthampton

HKG Hong Kong Intl - SOU Southampton Eastleigh

HKGSOU

Hong Kong Intl

Sat 27-2

00:25-19:30

2 stops27h 05m

Southampton Eastleigh

Thu 4-3

09:20-21:40

2 stops28h 20m

HK$9,316

Hong KongSouthampton

HKG Hong Kong Intl - SOU Southampton Eastleigh

HKGSOU

Hong Kong Intl

Thu 25-2

00:25-19:30

2 stops27h 05m

Southampton Eastleigh

Tue 2-3

09:20-21:40

2 stops28h 20m

HK$9,520

Hong KongSouthampton

HKG Hong Kong Intl - SOU Southampton Eastleigh

HKGSOU

Hong Kong Intl

Thu 17-9

07:25-08:45

3 stops32h 20m

Southampton Eastleigh

Sun 20-9

20:00-13:05

3 stops34h 05m

HK$9,920

Cheapest one-way

Fastest single journey

Hong KongSouthampton

HKG Hong Kong Intl - SOU Southampton Eastleigh

HKGSOU

Hong Kong Intl

Wed 23-9

01:25-19:25

2 stops25h 00m

HK$26,607

Hong KongSouthampton

HKG Hong Kong Intl - SOU Southampton Eastleigh

HKGSOU

Hong Kong Intl

Mon 28-9

19:40-19:30

2 stops30h 50m

HK$30,810

Hong KongSouthampton

HKG Hong Kong Intl - SOU Southampton Eastleigh

HKGSOU

Hong Kong Intl

Mon 28-9

01:25-19:30

2 stops25h 05m

HK$30,810

Flights are sorted by cheapest return flights first.

Deals found on 29-8

Showing 1-10 of 16 resultsSorted by cheapest first

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.

HKG-SOU

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

HK0-P0R

HKG-SOU

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

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

The most flights from HK0 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

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 (75%), British Airways (75%), Cathay Pacific( 69%).
What are the cheapest flights from Hong Kong to Portsmouth?
Looking at all options, your cheapest flight can be booked for HK$5,046. While the most popular route (Hong Kong Intl - Southampton Eastleigh) can be booked for HK$9,206 on average, our data indicates HK$20,324 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to England

Flights by cabin class

Other flight options

Popular flights

Top destinations

Alternative routes for Hong Kong to Portsmouth

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Hong Kong to Edinburgh flights

Hong Kong to Southampton flights

Hong Kong to Darlington flights

Top 10 airlines flying from Hong Kong to Portsmouth

Airline	Cheapest	Average	Flexibility	On-time
China Southern	CheapestHK$2,546	AverageHK$5,067	FlexibilityNo cancel fee	On-time69%	Search China Southern flights
Air China	CheapestHK$3,983	AverageHK$6,357	FlexibilityNo cancel fee	On-time67%	Search Air China flights
China Eastern	CheapestHK$4,144	AverageHK$6,116	FlexibilityNo cancel fee	On-time62%	Search China Eastern flights
Air France	CheapestHK$4,178	AverageHK$5,296	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Etihad Airways	CheapestHK$4,382	AverageHK$5,770	FlexibilityNo cancel fee	On-time75%	Search Etihad Airways flights
SWISS	CheapestHK$4,410	AverageHK$6,056	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Finnair	CheapestHK$4,569	AverageHK$6,374	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Singapore Airlines	CheapestHK$4,761	AverageHK$6,701	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights
Lufthansa	CheapestHK$4,865	AverageHK$6,721	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
British Airways	CheapestHK$5,877	AverageHK$7,756	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

Fly with Cheapflights

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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Cheap flights from Hong Kong to Portsmouth from HK$7,308

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14-9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Hong Kong to Portsmouth

Cheapest flights from Hong Kong to PortsmouthExplore 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 3 September 2026.

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 3 September 2026.

Best flights from Hong Kong to PortsmouthDiscover carefully curated flight deals from Hong Kong to Portsmouth that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 3 September 2026.

Discover carefully curated flight deals from Hong Kong to Portsmouth that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 3 September 2026.

Last-minute flights from Hong Kong to PortsmouthDiscover last-minute flight deals from Hong Kong to Portsmouth. Data last updated 3 September 2026 and is based on user searches.

Discover last-minute flight deals from Hong Kong to Portsmouth. Data last updated 3 September 2026 and is based on user searches.

One-way flights from Hong Kong to PortsmouthSearch for one-way flight options from Hong Kong to Portsmouth. Find affordable one-way fares based on user searches. Data last updated 3 September 2026.

Search for one-way flight options from Hong Kong to Portsmouth. Find affordable one-way fares based on user searches. Data last updated 3 September 2026.

Find flight deals from Hong Kong to Portsmouth

Round-trip from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

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.

Cheapflights Insights

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 3 September 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

The most flights from HK0 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

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

What are the cheapest flights from Hong Kong to Portsmouth?

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

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

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

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.

Alternative routes for Hong Kong to Portsmouth

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Portsmouth by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to England

Book a non-stop flight to one of these other cities located in England.

Search flights from Hong Kong to Portsmouth by cabin class

Find flights from Hong Kong to Portsmouth, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hong Kong and Portsmouth flights

Browse other Hong Kong and Portsmouth flight options. Last updated on 3 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Hong Kong to Portsmouth flights

Consider these flights travelling from Hong Kong to Portsmouth.

Top 10 airlines flying from Hong Kong to Portsmouth

Fly with Cheapflights

How does Cheapflights help users find flights from Hong Kong to Portsmouth?

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

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

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

100% Free

Book With Flexibility

Travel Smart

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 3 September 2026.

Best flights from Hong Kong to Portsmouth
Discover carefully curated flight deals from Hong Kong to Portsmouth that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 3 September 2026.

Last-minute flights from Hong Kong to Portsmouth
Discover last-minute flight deals from Hong Kong to Portsmouth. Data last updated 3 September 2026 and is based on user searches.

One-way flights from Hong Kong to Portsmouth
Search for one-way flight options from Hong Kong to Portsmouth. Find affordable one-way fares based on user searches. Data last updated 3 September 2026.