S$ 526+ 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 23-6. Fares are subject to change and may not be available on all flights or dates of travel.
— LHR
13 May — 20 May1
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 13 April 2026.

Thu 1-1019:40
SIN
-
SOU
2 stops30h 50m
Multiple Airlines
Tue 3-1109:20
SOU
-
SIN
2 stops21h 35m
Multiple Airlines
Deal found 12-4S$ 1,547
Wed 16-903:15
SIN
-
SOU
2 stops23h 15m
Qatar Airways
Sat 3-1020:00
SOU
-
SIN
2 stops29h 50m
Qatar Airways
Deal found 12-4S$ 1,598
Fri 9-1019:40
SIN
-
SOU
2 stops30h 50m
Multiple Airlines
Fri 30-1009:20
SOU
-
SIN
2 stops21h 35m
Multiple Airlines
Deal found 12-4S$ 1,611
Thu 8-1019:40
SIN
-
SOU
2 stops30h 50m
Multiple Airlines
Tue 27-1008:55
SOU
-
SIN
2 stops22h 00m
Multiple Airlines
Deal found 12-4S$ 1,619
Fri 18-903:15
SIN
-
SOU
2 stops23h 15m
Qatar Airways
Sat 3-1020:00
SOU
-
SIN
2 stops36h 45m
Qatar Airways
Deal found 12-4S$ 1,630
Sun 7-601:05
SIN
-
SOU
2 stops25h 25m
Qatar Airways
Fri 12-620:00
SOU
-
SIN
2 stops37h 15m
Qatar Airways
Deal found 9-4S$ 1,636
Tue 30-619:40
SIN
-
SOU
2 stops30h 50m
Qatar Airways
Tue 28-720:00
SOU
-
SIN
2 stops29h 50m
Qatar Airways
Deal found 13-4S$ 1,812
Mon 28-903:15
SIN
-
SOU
2 stops23h 15m
Qatar Airways
Tue 20-1020:00
SOU
-
SIN
2 stops29h 50m
Qatar Airways
Deal found 12-4S$ 1,817
Thu 2-710:20
SIN
-
SOU
2 stops40h 10m
Qatar Airways
Wed 29-709:10
SOU
-
SIN
2 stops23h 35m
Qatar Airways
Deal found 13-4S$ 1,829
Wed 1-719:40
SIN
-
SOU
2 stops54h 50m
Qatar Airways
Wed 29-720:00
SOU
-
SIN
2 stops29h 50m
Qatar Airways
Deal found 13-4S$ 1,832

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 200,618 searches and data was last updated on 13 April 2026.

Return from

S$ 871

One-way from

S$ 526

Popular in

March

Cheapest in

November

Average price

S$ 1,257
Gulf Air
  • Gulf Air
  • 21-5-29-5
  • 2 total stops
  • 49h 35m total
  • Singapore to London
Search Deals
23-6
  • 23-6
  • 2 total stops
  • 29h 30m total
  • Singapore to Portsmouth
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (S$ 99 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (S$ 22 potential savings vs. average return price).
Search Deals
Average for return flights in April 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 200,618 searches and data was last updated on 13 April 2026.
Use the filters below to find and compare flights to Portsmouth that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

SingaporeSouthampton

SIN - SOU

SINSOU

Singapore Changi

Sun 7-6

01:05-19:30

2 stops25h 25m

Southampton Eastleigh

Fri 12-6

20:00-16:15

2 stops37h 15m

S$ 1,636

SingaporeSouthampton

SIN - SOU

SINSOU

Singapore Changi

Tue 30-6

19:40-19:30

2 stops30h 50m

Southampton Eastleigh

Tue 28-7

20:00-08:50

2 stops29h 50m

S$ 1,812

SingaporeSouthampton

SIN - SOU

SINSOU

Singapore Changi

Tue 29-9

03:15-19:30

2 stops23h 15m

Southampton Eastleigh

Thu 22-10

20:00-08:50

2 stops29h 50m

S$ 1,817
Fastest return journey

SingaporeSouthampton

SIN - SOU

SINSOU

Singapore Changi

Mon 28-9

03:15-19:30

2 stops23h 15m

Southampton Eastleigh

Wed 21-10

09:10-15:45

2 stops23h 35m

S$ 1,817

SingaporeSouthampton

SIN - SOU

SINSOU

Singapore Changi

Thu 2-7

10:20-19:30

2 stops40h 10m

Southampton Eastleigh

Mon 27-7

09:10-15:45

2 stops23h 35m

S$ 1,829

SingaporeSouthampton

SIN - SOU

SINSOU

Singapore Changi

Sun 4-10

19:40-19:30

2 stops30h 50m

Southampton Eastleigh

Fri 23-10

20:00-14:55

2 stops35h 55m

S$ 1,849

SingaporeSouthampton

SIN - SOU

SINSOU

Singapore Changi

Fri 2-10

03:15-19:30

2 stops23h 15m

Southampton Eastleigh

Thu 22-10

20:00-08:50

2 stops29h 50m

S$ 1,849

SingaporeSouthampton

SIN - SOU

SINSOU

Singapore Changi

Sun 5-7

19:40-19:30

2 stops30h 50m

Southampton Eastleigh

Sun 26-7

20:00-08:50

2 stops29h 50m

S$ 1,863

SingaporeSouthampton

SIN - SOU

SINSOU

Singapore Changi

Thu 1-10

03:15-19:30

2 stops23h 15m

Southampton Eastleigh

Fri 23-10

09:10-21:15

2 stops29h 05m

S$ 1,867
Cheapest one-way
Fastest single journey

SingaporeSouthampton

SIN - SOU

SINSOU

Singapore Changi

Sun 19-4

01:05-19:30

2 stops25h 25m

S$ 802

Flights are sorted by cheapest return flights first.

Deals found on 9-4

Showing 1-10 of 19 resultsSorted by cheapest first
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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 Singapore to Portsmouth takes 30 hours 50 minutes. Flights to Portsmouth from other popular cities in Singapore 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 Singapore to Portsmouth are scheduled on a Monday (37 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (35 on average).

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).

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, Turkish Airlines 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 S$ 181, however they can be found for as little as S$ 180.

  • 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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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.

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Users can book flights with no change fees policies with our dedicated filters. Book flights to Portsmouth flexibly with Cheapflights today.

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

Yes, Cheapflights offers price alerts on Portsmouth flights so you can book your flight when prices are ideal. Enable price alerts 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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