S$ 757+ Cheap flights to Portsmouth

— LHR
10 Oct — 17 Oct1
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

Mon 9-1103:15 -
2 stops24h 15m
Thu 12-1120:00 -
2 stops34h 55m
Deal found 8-9S$ 1,632
Thu 17-919:40 -
2 stops30h 50m
Mon 21-920:00 -
2 stops29h 50m
Deal found 4-9S$ 3,165
Wed 30-1210:15 -
2 stops33h 40m
Sat 30-110:15 -
2 stops20h 40m
Deal found 6-9S$ 6,122

Find flight deals to Portsmouth

Return from

S$ 929

One-way from

S$ 757

Popular in

March

Cheapest in

January

Average price

S$ 1,024
Turkish Airlines
  • Turkish Airlines
  • 7-10-14-10
  • 2 total stops
  • 34h 10m total
  • Singapore to London
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Qatar Airways
  • Qatar Airways
  • 25-10-31-12
  • 2 total stops
  • 31h 15m total
  • Singapore to Portsmouth
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (S$ 57 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (S$ 35 potential savings vs. average return price).
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Average for return flights in September 2026
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Cheapflights Fare Finder

 
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 Singapore Changi - SOU Southampton Eastleigh

SINSOU

Singapore Changi

Sun 25-10

20:15-19:30

2 stops31h 15m

Southampton Eastleigh

Wed 31-12

00:00-06:30

Nonstop0h 00m

S$ 757

SingaporeSouthampton

SIN Singapore Changi - SOU Southampton Eastleigh

SINSOU

Singapore Changi

Tue 22-9

19:40-19:30

2 stops30h 50m

Southampton Eastleigh

Wed 31-12

00:00-06:30

Nonstop0h 00m

S$ 782

SingaporeSouthampton

SIN Singapore Changi - SOU Southampton Eastleigh

SINSOU

Singapore Changi

Mon 21-9

19:40-19:30

2 stops30h 50m

Southampton Eastleigh

Wed 31-12

00:00-06:30

Nonstop0h 00m

S$ 782
Fastest return journey

SingaporeSouthampton

SIN Singapore Changi - SOU Southampton Eastleigh

SINSOU

Singapore Changi

Tue 22-9

03:15-19:30

2 stops23h 15m

Southampton Eastleigh

Wed 31-12

00:00-06:30

Nonstop0h 00m

S$ 782

SingaporeSouthampton

SIN Singapore Changi - SOU Southampton Eastleigh

SINSOU

Singapore Changi

Sun 27-9

19:40-19:30

2 stops30h 50m

Southampton Eastleigh

Wed 31-12

00:00-06:30

Nonstop0h 00m

S$ 782

SingaporeSouthampton

SIN Singapore Changi - SOU Southampton Eastleigh

SINSOU

Singapore Changi

Thu 3-12

10:15-19:30

2 stops41h 15m

Southampton Eastleigh

Wed 31-12

00:00-06:30

Nonstop0h 00m

S$ 784

SingaporeSouthampton

SIN Singapore Changi - SOU Southampton Eastleigh

SINSOU

Singapore Changi

Tue 1-12

10:15-19:30

2 stops41h 15m

Southampton Eastleigh

Wed 31-12

00:00-06:30

Nonstop0h 00m

S$ 784

SingaporeSouthampton

SIN Singapore Changi - SOU Southampton Eastleigh

SINSOU

Singapore Changi

Sun 10-1

20:15-19:30

2 stops31h 15m

Southampton Eastleigh

Wed 31-12

00:00-06:30

Nonstop0h 00m

S$ 980

SingaporeSouthampton

SIN Singapore Changi - SOU Southampton Eastleigh

SINSOU

Singapore Changi

Sun 6-12

10:15-19:30

2 stops41h 15m

Southampton Eastleigh

Wed 31-12

00:00-06:30

Nonstop0h 00m

S$ 1,002

SingaporeSouthampton

SIN Singapore Changi - SOU Southampton Eastleigh

SINSOU

Singapore Changi

Mon 30-11

10:15-19:30

2 stops41h 15m

Southampton Eastleigh

Wed 31-12

00:00-06:30

Nonstop0h 00m

S$ 1,006

Flights are sorted by cheapest return flights first.

Deals found on 7-9

Showing 1-10 of 13 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

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 31 hours 15 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 (38 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (28 on average).

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).

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, Malaysia 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$ 180, however they can be found for as little as S$ 179.

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

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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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