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HK$4,071+ 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 27-6. Fares are subject to change and may not be available on all flights or dates of travel.
— LHR
13 Jun — 20 Jun1
1 adult
1 adult, Economy, 0 bags

Flights to Portsmouth in 2026

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 14 May 2026.

Sat 27-620:10
HKG
-
SOU
2 stops43h 30m
Multiple Airlines
Sat 4-709:20
SOU
-
HKG
2 stops40h 40m
Multiple Airlines
Deal found 13-5HK$6,264
Fri 7-820:10
HKG
-
SOU
2 stops27h 40m
Multiple Airlines
Thu 3-917:20
SOU
-
HKG
2 stops32h 40m
Multiple Airlines
Deal found 13-5HK$6,366
Thu 25-620:10
HKG
-
SOU
2 stops51h 40m
Multiple Airlines
Thu 2-720:00
SOU
-
HKG
2 stops30h 00m
Multiple Airlines
Deal found 11-5HK$7,196
Wed 24-620:10
HKG
-
SOU
2 stops27h 40m
Multiple Airlines
Wed 1-720:00
SOU
-
HKG
2 stops30h 00m
Multiple Airlines
Deal found 10-5HK$7,407
Tue 26-520:10
HKG
-
SOU
2 stops43h 30m
Multiple Airlines
Fri 29-520:00
SOU
-
HKG
2 stops30h 00m
Multiple Airlines
Deal found 11-5HK$8,699
Sun 24-500:05
HKG
-
SOU
2 stops39h 35m
Multiple Airlines
Thu 28-517:20
SOU
-
HKG
2 stops38h 20m
Multiple Airlines
Deal found 10-5HK$9,591
Mon 8-601:25
HKG
-
SOU
2 stops25h 05m
Multiple Airlines
Tue 16-609:20
SOU
-
HKG
2 stops22h 50m
Multiple Airlines
Deal found 10-5HK$9,631
Sun 24-518:15
HKG
-
SOU
2 stops32h 10m
Multiple Airlines
Wed 27-519:55
SOU
-
HKG
2 stops30h 15m
Multiple Airlines
Deal found 9-5HK$9,740
Mon 18-502:00
HKG
-
SOU
2 stops48h 30m
Qatar Airways
Sun 19-720:00
SOU
-
HKG
2 stops42h 55m
Qatar Airways
Deal found 11-5HK$10,061
Tue 26-502:00
HKG
-
SOU
2 stops24h 25m
Multiple Airlines
Sat 30-520:00
SOU
-
HKG
2 stops30h 10m
Multiple Airlines
Deal found 12-5HK$10,140

Find flight deals to Portsmouth

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 14 May 2026.

Return from

HK$5,309

One-way from

HK$4,071

Popular in

April

Cheapest in

May

Average price

HK$5,841
Etihad Airways
  • Etihad Airways
  • 1-7-12-7
  • 2 total stops
  • 61h 10m total
  • Hong Kong to London
Search Deals
27-6
  • 27-6
  • 2 total stops
  • 43h 30m total
  • Hong Kong to Portsmouth
Search Deals
Highest demand for flights based on searches. 0% potential increase in price.
Search Deals
Cheapest flight prices on average. 1% potential price decrease (HK$72 potential savings vs. average return price).
Search Deals
Average for return flights in May 2026
Search Deals

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 14 May 2026.
Use the filters below to find and compare flights to Portsmouth that are best for you.

Fly from

Route

Departure

Return

Price

Cheapest return flight

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Fri 7-8

20:10-16:50

2 stops27h 40m

Southampton Eastleigh

Thu 3-9

17:20-09:00

2 stops32h 40m

HK$6,366
Fastest return journey

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Mon 8-6

01:25-19:30

2 stops25h 05m

Southampton Eastleigh

Tue 16-6

09:20-15:10

2 stops22h 50m

HK$9,631

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Sun 24-5

18:15-19:25

2 stops32h 10m

Southampton Eastleigh

Wed 27-5

19:55-09:10

2 stops30h 15m

HK$9,740

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Mon 25-5

20:20-17:45

2 stops28h 25m

Southampton Eastleigh

Thu 28-5

09:25-16:05

3 stops47h 40m

HK$9,819

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Sat 20-6

19:40-19:30

2 stops30h 50m

Southampton Eastleigh

Tue 1-12

09:20-21:40

2 stops28h 20m

HK$10,390

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Tue 14-7

01:25-19:30

2 stops25h 05m

Southampton Eastleigh

Fri 31-7

20:00-15:10

2 stops36h 10m

HK$10,539

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Wed 27-5

21:10-17:45

3 stops27h 35m

Southampton Eastleigh

Sat 30-5

06:45-14:40

2 stops24h 55m

HK$10,570

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Sat 23-5

02:00-19:30

2 stops24h 30m

Southampton Eastleigh

Wed 27-5

20:00-09:10

2 stops30h 10m

HK$11,408

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Thu 25-6

22:20-08:45

2 stops41h 25m

Southampton Eastleigh

Thu 2-7

17:20-15:25

1 stop15h 05m

HK$11,635

Hong KongSouthampton

HKG - SOU

HKGSOU

Hong Kong Intl

Thu 28-5

13:30-20:45

3 stops38h 15m

Southampton Eastleigh

Sun 31-5

09:15-19:05

3 stops26h 50m

HK$11,658

Flights are sorted by cheapest return flights first.

Deals found on 10-5

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

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 27 hours 40 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 Thursday (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
KLM
From HK$5,367

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 14 May 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
7.8
Good
1,517 reviews
Check prices

Comfort

7.7

Entertainment

7.2

Boarding

7.8

Crew

8.4

Food

7.3

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,517 reviews
KLM
7.8
Good
1,517 reviews
Check prices

Comfort

7.7

Entertainment

7.2

Boarding

7.8

Crew

8.4

Food

7.3

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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, China Southern 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$1,148, however they can be found for as little as HK$1,123.

  • 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. Aeropartment & Aerotel, London Heathrow Airport, Terminal 4, Ev Stations & Cheap Parking On Site! is the closest property to London Heathrow (0.0 km away from London Heathrow).

See more FAQs

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