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HK$7,606+ Cheap flights to Portsmouth

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8-8. Fares are subject to change and may not be available on all flights or dates of travel.
— LHR
17 Jul — 24 Jul1
1 adult

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 12 July 2025.

Return from

HK$5,346

One-way from

HK$24,797

Popular in

April

Cheapest in

November

Average price

HK$6,712
SWISS
  • SWISS
  • 23-9-14-1
  • 3 total stops
  • 34h 20m total
  • Hong Kong to London
Search Deals
22-7
  • 22-7
  • 2 total stops
  • 25h 05m total
  • Hong Kong to Portsmouth
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (HK$2,168 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (HK$862 potential savings vs. average return price).
Search Deals
Average for return flights in July 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 12 July 2025.

Fri 8-822:45HKG - SOU
1 stop25h 15mKLM
Sat 25-1018:05SOU - HKG
1 stop14h 20mKLM
Deal found 10-7HK$7,606
Fri 8-822:45HKG - SOU
1 stop17h 00mMultiple Airlines
Sat 25-1018:05SOU - HKG
2 stops41h 25mMultiple Airlines
Deal found 11-7HK$9,773
Thu 25-901:25HKG - SOU
2 stops25h 05mQatar Airways
Fri 10-1009:40SOU - HKG
2 stops53h 05mQatar Airways
Deal found 12-7HK$17,811

Cheapflights Fare Finder

Locate flights to Portsmouth that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 70,647 searches and data was last updated on 12 July 2025.
Use the filters below to find and compare flights to Portsmouth that are best for you.

Fly from

Hong Kong

Route

Departure

Return

Price

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Fri 8-8

22:45-17:00

1 stop25h 15m

Southampton Eastleigh

Sat 25-10

18:05-15:25

1 stop14h 20m

HK$7,606

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Fri 8-8

22:45-08:45

1 stop17h 00m

Southampton Eastleigh

Sat 25-10

18:05-18:30

2 stops41h 25m

HK$9,773

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Thu 25-9

01:25-19:30

2 stops25h 05m

Southampton Eastleigh

Fri 10-10

09:40-21:45

2 stops53h 05m

HK$17,811

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Tue 22-7

01:25-19:30

2 stops25h 05m

HK$24,797

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Sat 13-9

19:40-19:30

2 stops30h 50m

HK$25,237

Flights are sorted by cheapest return flights first.

Deals found on 10-7

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 17 hours 0 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?

Use this chart to determine the cheapest time to fly return from Hong Kong to Portsmouth. Price data was last updated on 30 June 2024.

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 Thursday (8 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
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

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

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

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 12 July 2025.
See what other customers who have flown with KLM and Qatar Airways 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
1,372 reviews
Check prices

Comfort

7.7

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.1

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,372 reviews
KLM
7.8
Good
1,372 reviews
Check prices

Comfort

7.7

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.1

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Qatar Airways
7.4
Good
3,599 reviews
KLM
7.8
Good
1,372 reviews
Check prices

Comfort

7.7

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.1

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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$218, however they can be found for as little as HK$80.

  • 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 is the closest property to London Heathrow (0.0 km away from London Heathrow).

See more FAQs

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