What is the cheapest month to fly to Portsmouth?

February is currently the cheapest month to fly to Portsmouth . At this moment in time August is the most expensive month. These prices are determined by multiple factors and booking in advance can help keep costs down if your schedule is not as flexible.

Can I find cheaper flights to Portsmouth if I am willing to have stopovers?

Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Portsmouth on Cheapflights that require 1 or 2 stops for potential cost savings.

What is the best airline to fly to Portsmouth?

Based on reviews from Cheapflights users, SWISS is rated the highest out of the airlines that fly to Portsmouth.

How much is a return flight to Portsmouth?

A return flight to Portsmouth will typically cost around HK$138, however they can be found for as little as HK$130.

Does London Heathrow have rental cars?

Yes. Those touching down at London Heathrow can take advantage of the car hire services offered upon their arrival.

Are there hotels close to London Heathrow?

Yes. London Heathrow has hotels nearby for those requiring accommodations. Aerotel London Heathrow T2 & T3 is the closest property to London Heathrow (0.0 km away from London Heathrow).

HK$3,064+ Cheap Flights to Portsmouth

Flights to Portsmouth in 2025

Return from	HK$5,016
Popular in	April
Cheapest in	November
Average price	HK$6,797

Lufthansa
18-10-1-3
2 total stops
53h 10m total
Hong Kong to London

Search Deals

Highest demand for flights based on searches. 2% potential increase in price (HK$999 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (HK$704 potential savings vs. average return price).

Search Deals

Average for return flights in September 2025

Search Deals

Find flight deals to Portsmouth

Cheapest flights to Portsmouth
Explore the most affordable flight options available to Portsmouth. Find the lowest fares based on data from user searches, with prices last updated on 18 September 2025.

Fri 31-1009:55HKG - SOU

3 stops34h 00mMultiple Airlines

Fri 7-1113:30SOU - HKG

2 stops21h 35mMultiple Airlines

Deal found 16-9HK$8,811

Wed 17-1200:25HKG - SOU

2 stops47h 10mQatar Airways

Thu 1-109:30SOU - HKG

2 stops28h 10mQatar Airways

Deal found 16-9HK$13,446

Fri 19-1218:05HKG - SOU

2 stops53h 30mQatar Airways

Mon 5-120:10SOU - HKG

2 stops41h 30mQatar Airways

Deal found 16-9HK$13,796

Mon 29-901:25HKG - SOU

2 stops25h 05mQatar Airways

Tue 14-1009:10SOU - HKG

2 stops53h 35mQatar Airways

Deal found 16-9HK$16,300

Mon 15-1200:25HKG - SOU

2 stops51h 15mQatar Airways

Fri 2-109:30SOU - HKG

2 stops28h 10mQatar Airways

Deal found 16-9HK$17,031

Best flights to Portsmouth
Discover carefully curated flight deals to Portsmouth that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2025.

Fri 31-1007:40HKG - SOU

3 stops33h 05mMultiple Airlines

Fri 7-1117:30SOU - HKG

3 stops35h 35mMultiple Airlines

Deal found 16-9HK$8,889

Sat 14-318:05HKG - SOU

2 stops33h 35mQatar Airways

Wed 18-312:25SOU - HKG

2 stops49h 15mQatar Airways

Deal found 15-9HK$10,429

Wed 17-1200:25HKG - SOU

2 stops47h 10mQatar Airways

Thu 1-109:30SOU - HKG

2 stops28h 10mQatar Airways

Deal found 16-9HK$13,446

Last-minute flights to Portsmouth
Discover last-minute flight deals to Portsmouth. Data last updated 18 September 2025 and is based on user searches.

Mon 29-901:25HKG - SOU

2 stops25h 05mQatar Airways

Tue 14-1009:10SOU - HKG

2 stops53h 35mQatar Airways

Deal found 16-9HK$16,300

Mon 29-901:25HKG - SOU

2 stops25h 05mQatar Airways

Tue 7-1009:10SOU - HKG

2 stops53h 35mQatar Airways

Deal found 16-9HK$21,386

Fri 31-1009:55HKG - SOU

3 stops34h 00mMultiple Airlines

Fri 7-1113:30SOU - HKG

2 stops21h 35mMultiple Airlines

Deal found 16-9HK$8,811

One-way flights to Portsmouth
Search for one-way flight options to Portsmouth. Find affordable one-way fares based on user searches. Data last updated 18 September 2025.

Tue 28-1008:30HKG - SOU

3 stops56h 15mMultiple Airlines

Deal found 18-9HK$3,064

Sun 2-1121:15HKG - SOU

3 stops48h 55mMultiple Airlines

Deal found 18-9HK$3,072

Thu 30-1020:20HKG - SOU

3 stops50h 30mMultiple Airlines

Deal found 18-9HK$3,119

Mon 27-1008:30HKG - SOU

3 stops35h 25mMultiple Airlines

Deal found 18-9HK$3,150

Wed 29-1020:20HKG - SOU

3 stops44h 25mMultiple Airlines

Deal found 18-9HK$3,157

Fri 31-1020:20HKG - SOU

3 stops44h 25mMultiple Airlines

Deal found 18-9HK$3,818

Sat 1-1107:50HKG - SOU

3 stops32h 55mMultiple Airlines

Deal found 18-9HK$4,472

Fly from

Route

Departure

Return

Price

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Fri 31-10

07:40-08:45

3 stops33h 05m

Southampton Eastleigh

Fri 7-11

17:30-13:05

3 stops35h 35m

HK$8,889

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Sat 14-3

18:05-19:40

2 stops33h 35m

Southampton Eastleigh

Wed 18-3

12:25-21:40

2 stops49h 15m

HK$10,429

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Wed 17-12

00:25-15:35

2 stops47h 10m

Southampton Eastleigh

Thu 1-1

09:30-21:40

2 stops28h 10m

HK$13,446

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Tue 28-10

08:30-08:45

3 stops56h 15m

HK$3,064

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Sun 2-11

21:15-14:10

3 stops48h 55m

HK$3,072

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Thu 30-10

20:20-14:50

3 stops50h 30m

HK$3,119

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Mon 27-10

08:30-11:55

3 stops35h 25m

HK$3,150

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Wed 29-10

20:20-08:45

3 stops44h 25m

HK$3,157

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Fri 31-10

07:40-08:50

2 stops33h 10m

HK$4,262

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Sat 1-11

07:50-08:45

3 stops32h 55m

HK$4,472

Flights are sorted by cheapest return flights first.

Deals found on 18-9

Showing 1-10 of 11 results

Best time to book a flight to Portsmouth

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

How long is the flight to Portsmouth?

On average, a flight from Hong Kong to Portsmouth takes 29 hours 30 minutes. Flights to Portsmouth from other popular cities in Hong Kong will vary in length. Below are a few examples of popular routes and their flight times.

When is the cheapest time to fly to Portsmouth?

Users looking for the lowest fares to Portsmouth should consider flying on Wednesday at midday, when prices are typically cheapest. Budget-minded travellers will want to avoid Saturday at midday, when prices are usually at their highest.

Weekly flight availability to Portsmouth

The most flights from Hong Kong to Portsmouth 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).

What are the most popular airlines that fly to Portsmouth?

The most popular airline flying from Hong Kong to Portsmouth is KLM.

KLM

From HK$676

What are the cheapest airlines that fly to Portsmouth?

The cheapest airline flying from Hong Kong to Portsmouth is KLM.

Rainfall in Portsmouth by month

In terms of precipitation, rainfall in Portsmouth ranges from 25.0 - 76.0 mm 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.

Temperature in Portsmouth by month

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).

Reviews of airlines servicing Portsmouth

See what other customers who have flown with KLM to the United Kingdom have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

KLM

7.8

Good

1,386 reviews

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

FAQs about flying to Portsmouth

Can I find cheaper flights to Portsmouth if I am willing to have stopovers?
Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Portsmouth on Cheapflights that require 1 or 2 stops for potential cost savings.
What is the best airline to fly to Portsmouth?
Based on reviews from Cheapflights users, SWISS is rated the highest out of the airlines that fly to Portsmouth.
How much is a return flight to Portsmouth?
A return flight to Portsmouth will typically cost around HK$138, however they can be found for as little as HK$130.
Does London Heathrow have rental cars?
Yes. Those touching down at London Heathrow can take advantage of the car hire services offered upon their arrival.
Are there hotels close to London Heathrow?
Yes. London Heathrow has hotels nearby for those requiring accommodations. Aerotel London Heathrow T2 & T3 is the closest property to London Heathrow (0.0 km away from London Heathrow).

See more FAQs

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How does Cheapflights help users find flights to Portsmouth?

Cheapflights makes it easy to find Portsmouth flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights simply makes it quick and affordable to book flights to Portsmouth by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights to Portsmouth with no change fees?

Yes, we can. To see specific flights to Portsmouth with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, and it’s super simple to set up Price Alerts. Click the bell icon next to the flight deals above and provide your email address. That’s it!

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HK$3,064+ Cheap flights to Portsmouth

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 28-10. Fares are subject to change and may not be available on all flights or dates of travel.

Flights to Portsmouth in 2025

Find the latest flights to Portsmouth in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 70,647 searches and data was last updated on 18 September 2025.

Return from

Popular in

Cheapest in

Average price

Find flight deals to Portsmouth

Cheapest flights to PortsmouthExplore the most affordable flight options available to Portsmouth. Find the lowest fares based on data from user searches, with prices last updated on 18 September 2025.

Explore the most affordable flight options available to Portsmouth. Find the lowest fares based on data from user searches, with prices last updated on 18 September 2025.

Cheapflights Fare Finder

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

Best time to book a flight to Portsmouth

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

Cheapflights Insights

Everything you need to know about your flight to Portsmouth

How long is the flight to Portsmouth?

When is the cheapest time to fly to Portsmouth?

Use this chart to determine the cheapest time to fly return from Hong Kong to Portsmouth. Price data was last updated on 18 November 2024.

Weekly flight availability to Portsmouth

What are the most popular airlines that fly to Portsmouth?

What are the cheapest airlines that fly to Portsmouth?

Rainfall in Portsmouth by month

Plan your trip to Portsmouth by taking into account the average rainfall totals by month.

Temperature in Portsmouth by month

Plan your trip to Portsmouth by taking into account the average temperature totals by month.

Reviews of airlines servicing Portsmouth

See what other customers who have flown with KLM to the United Kingdom have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

FAQs about flying to Portsmouth

Can I find cheaper flights to Portsmouth if I am willing to have stopovers?

What is the best airline to fly to Portsmouth?

How much is a return flight to Portsmouth?

Does London Heathrow have rental cars?

Are there hotels close to London Heathrow?

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.

Search flights to Portsmouth by cabin class

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

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 to Portsmouth?

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

Can Cheapflights find flights to Portsmouth with no change fees?

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

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Cheapest flights to Portsmouth
Explore the most affordable flight options available to Portsmouth. Find the lowest fares based on data from user searches, with prices last updated on 18 September 2025.