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HK$8,239+ 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 30-3. Fares are subject to change and may not be available on all flights or dates of travel.
— LHR
6 Feb — 13 Feb1
1 adult
1 adult, Economy, 0 bags

Flights to Portsmouth in 2026

Find the latest flights to Portsmouth in 2026, 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 7 January 2026.

Return from

HK$4,291

Popular in

April

Cheapest in

February

Average price

HK$7,086
China Eastern
  • China Eastern
  • 7-2-18-2
  • 2 total stops
  • 67h 00m total
  • Hong Kong to London
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Highest demand for flights based on searches. 1% potential increase in price.
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Cheapest flight prices on average. 1% potential price decrease (HK$76 potential savings vs. average return price).
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Average for return flights in January 2026
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Find flight deals to Portsmouth

Enter your travel dates to find the best prices.

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 7 January 2026.

Mon 30-319:40HKG - SOU
2 stops30h 50mQatar Airways
Thu 9-409:10SOU - HKG
2 stops29h 45mQatar Airways
Deal found 6-1HK$8,239
Mon 2-318:05HKG - SOU
2 stops29h 30mQatar Airways
Thu 12-309:30SOU - HKG
2 stops28h 10mQatar Airways
Deal found 5-1HK$8,651
Wed 21-100:25HKG - SOU
2 stops27h 15mQatar Airways
Mon 26-109:30SOU - HKG
2 stops28h 10mQatar Airways
Deal found 6-1HK$8,659
Tue 3-318:05HKG - SOU
2 stops29h 30mQatar Airways
Wed 11-312:25SOU - HKG
2 stops49h 15mQatar Airways
Deal found 5-1HK$8,729
Sat 28-218:05HKG - SOU
2 stops29h 30mQatar Airways
Tue 10-312:25SOU - HKG
2 stops25h 15mQatar Airways
Deal found 5-1HK$8,893
Sat 28-218:05HKG - SOU
2 stops29h 30mQatar Airways
Wed 11-312:25SOU - HKG
2 stops49h 15mQatar Airways
Deal found 5-1HK$8,970
Mon 30-319:40HKG - SOU
2 stops30h 50mQatar Airways
Sun 12-409:10SOU - HKG
2 stops31h 10mQatar Airways
Deal found 6-1HK$9,041
Tue 3-318:05HKG - SOU
2 stops29h 30mMultiple Airlines
Fri 13-308:40SOU - HKG
2 stops22h 10mMultiple Airlines
Deal found 5-1HK$9,259
Mon 30-301:25HKG - SOU
2 stops49h 05mQatar Airways
Fri 17-420:00SOU - HKG
2 stops37h 45mQatar Airways
Deal found 6-1HK$9,492
Mon 30-301:25HKG - SOU
2 stops49h 05mQatar Airways
Sat 18-409:10SOU - HKG
2 stops24h 35mQatar Airways
Deal found 6-1HK$9,734
Mon 6-419:40HKG - SOU
2 stops30h 50mQatar Airways
Fri 17-420:00SOU - HKG
2 stops44h 20mQatar Airways
Deal found 6-1HK$9,796
Sat 28-218:05HKG - SOU
2 stops29h 30mQatar Airways
Fri 13-309:30SOU - HKG
2 stops28h 10mQatar Airways
Deal found 5-1HK$9,858

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 7 January 2026.
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

Tue 3-3

18:05-15:35

2 stops29h 30m

Southampton Eastleigh

Tue 10-3

12:25-21:40

2 stops25h 15m

HK$8,659

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Tue 3-3

18:05-15:35

2 stops29h 30m

Southampton Eastleigh

Thu 12-3

09:30-21:40

2 stops28h 10m

HK$8,659

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Wed 21-1

00:25-19:40

2 stops27h 15m

Southampton Eastleigh

Mon 26-1

09:30-21:40

2 stops28h 10m

HK$8,659

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Tue 3-3

18:05-15:35

2 stops29h 30m

Southampton Eastleigh

Wed 11-3

12:25-21:40

2 stops49h 15m

HK$8,729

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Sat 28-2

18:05-15:35

2 stops29h 30m

Southampton Eastleigh

Tue 10-3

12:25-21:40

2 stops25h 15m

HK$8,893

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Wed 21-1

00:25-19:40

2 stops27h 15m

Southampton Eastleigh

Sun 25-1

09:30-21:40

2 stops28h 10m

HK$8,893

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Sat 28-2

18:05-15:35

2 stops29h 30m

Southampton Eastleigh

Thu 12-3

09:30-21:40

2 stops28h 10m

HK$8,893

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Sat 28-2

18:05-15:35

2 stops29h 30m

Southampton Eastleigh

Wed 11-3

12:25-21:40

2 stops49h 15m

HK$8,970

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Mon 30-3

19:40-19:30

2 stops30h 50m

Southampton Eastleigh

Sun 12-4

09:10-23:20

2 stops31h 10m

HK$9,041

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Tue 3-3

18:05-15:35

2 stops29h 30m

Southampton Eastleigh

Fri 13-3

08:40-14:50

2 stops22h 10m

HK$9,259

Flights are sorted by cheapest return flights first.

Deals found on 5-1

Showing 1-10 of 11 results
1
2

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.

Weekly flight availability to Portsmouth

The most flights from Hong Kong to Portsmouth are scheduled on a Monday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 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$5,338

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 7 January 2026.
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
7.7
Good
1,434 reviews
Check prices

Boarding

7.8

Entertainment

7.1

Crew

8.4

Overall

7.7

Comfort

7.6

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
KLM
7.7
Good
1,434 reviews
KLM
7.7
Good
1,434 reviews
Check prices

Boarding

7.8

Entertainment

7.1

Crew

8.4

Overall

7.7

Comfort

7.6

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

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$5,332, however they can be found for as little as HK$901.

  • 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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