Find flights
Airlines

S$ 748+ 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 5-6. Fares are subject to change and may not be available on all flights or dates of travel.
— LHR
30 Mar — 6 Apr1
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 200,618 searches and data was last updated on 25 March 2025.

Return from

S$ 883

One-way from

S$ 748

Popular in

July

Cheapest in

February

Average price

S$ 993
Turkish Airlines
  • Turkish Airlines
  • 6-6-29-6
  • 2 total stops
  • 63h 10m total
  • Singapore to London
Search Deals
Qatar Airways
  • Qatar Airways
  • 5-6
  • 2 total stops
  • 31h 45m total
  • Singapore to Portsmouth
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (S$ 147 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (S$ 25 potential savings vs. average return price).
Search Deals
Average for return flights in March 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 25 March 2025.

Mon 7-418:45SIN - SOU
2 stops31h 45mQatar Airways
Mon 14-409:00SOU - SIN
2 stops29h 00mQatar Airways
Deal found 24-3S$ 2,470

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 25 March 2025.
Use the filters below to find and compare flights to Portsmouth that are best for you.

Fly from

Singapore

Route

Depart

Return

Price

SingaporeSouthampton

SIN - SOU

SINSOU

Singapore Changi

Mon 7-4

18:45-19:30

2 stops31h 45m

Southampton Eastleigh

Mon 14-4

09:00-21:00

2 stops29h 00m

S$ 2,470

SingaporeSouthampton

SIN - SOU

SINSOU

Singapore Changi

Thu 5-6

18:45-19:30

2 stops31h 45m

S$ 748

SingaporeSouthampton

SIN - SOU

SINSOU

Singapore Changi

Mon 5-5

18:45-12:00

2 stops24h 15m

S$ 858

Flights are sorted by cheapest return flights first.

Deals found on 23-3

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 Singapore to Portsmouth takes 31 hours 45 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 (39 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (32 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).

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 25 March 2025.
Qatar Airways
7.4
Good
3,539 reviews
Check prices

Entertainment

7.4

Crew

7.9

Boarding

7.5

Food

7.3

Comfort

7.4

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sept 2023

DOH - IAD

First thing entertainment should be very good because traveling 14hrs is not a joke, but I have seen that entertainment is worst in qatar airways. Next is food, I have selected food preference as Hindu meal, but in the flight they have not served the Hindu meal I was so upset about food.third cleaning, cleaning was good.
Qatar Airways
7.4
Good
3,539 reviews
Qatar Airways
7.4
Good
3,539 reviews
Check prices

Entertainment

7.4

Crew

7.9

Boarding

7.5

Food

7.3

Comfort

7.4

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sept 2023

DOH - IAD

First thing entertainment should be very good because traveling 14hrs is not a joke, but I have seen that entertainment is worst in qatar airways. Next is food, I have selected food preference as Hindu meal, but in the flight they have not served the Hindu meal I was so upset about food.third cleaning, cleaning was good.

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, Shenzhen 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$ 132, however they can be found for as little as S$ 132.

  • 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, Terminal 2 & Terminal 3 is the closest property to London Heathrow (0.0 km away from London Heathrow).

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Search flights to Portsmouth by cabin class

Find flights to Portsmouth, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy class

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights to Portsmouth?

When you search for this flight to Portsmouth, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

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.

Can Cheapflights find flights to Portsmouth with no change fees?

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.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.