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Cheap flights from Singapore to Portsmouth from S$ 537

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 19-9. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — LHR
24 Jun — 1 Jul1
1 adult

Cheap flight deals from Singapore to Portsmouth

Keep the following information in mind while searching for Singapore to Portsmouth flight deals. Data was last updated 19 June 2025.

Round-trip from

S$ 1,482

One-way from

S$ 537

Popular in

July

Cheapest in

February

Average price

S$ 1,044
16-7-23-7
  • 16-7-23-7
  • 4 total stops
  • 60h 00m total
  • Singapore to Portsmouth
Search Deals
19-9
  • 19-9
  • 3 total stops
  • 59h 35m total
  • Singapore to Portsmouth
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (S$ 124 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (S$ 27 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2025
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Find flight deals from Singapore to Portsmouth

Cheapest flights from Singapore to Portsmouth
Explore the most affordable flight options available from Singapore to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 June 2025.

Wed 16-721:10SIN - SOU
2 stops29h 20mMultiple Airlines
Wed 23-720:00SOU - SIN
2 stops30h 40mMultiple Airlines
Deal found 17-6S$ 1,482
Fri 1-800:40SIN - SOU
1 stop23h 20mKLM
Sat 9-809:20SOU - SIN
2 stops25h 55mKLM
Deal found 18-6S$ 1,954
Wed 2-718:45SIN - SOU
2 stops31h 45mQatar Airways
Wed 9-709:10SOU - SIN
2 stops52h 50mQatar Airways
Deal found 18-6S$ 2,000

Cheapflights Fare Finder

Customise your flight search to find flights from Singapore to Portsmouth that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 200,618 searches. Data last updated 19 June 2025.
Use the filters below to find and compare flights from Singapore to Portsmouth that are best for you.

Fly from

Singapore

Fly to

Portsmouth

Route

Depart

Return

Price

SingaporeSouthampton

SIN - SOU

SINSOU

Singapore Changi

Wed 16-7

21:10-19:30

2 stops29h 20m

Southampton Eastleigh

Wed 23-7

20:00-09:40

2 stops30h 40m

S$ 1,482

SingaporeSouthampton

SIN - SOU

SINSOU

Singapore Changi

Fri 1-8

00:40-17:00

1 stop23h 20m

Southampton Eastleigh

Sat 9-8

09:20-18:15

2 stops25h 55m

S$ 1,954

SingaporeSouthampton

SIN - SOU

SINSOU

Singapore Changi

Wed 2-7

18:45-19:30

2 stops31h 45m

Southampton Eastleigh

Wed 9-7

09:10-21:00

2 stops52h 50m

S$ 2,000

SingaporeSouthampton

SIN - SOU

SINSOU

Singapore Changi

Fri 19-9

03:00-07:35

3 stops59h 35m

S$ 537

SingaporeSouthampton

SIN - SOU

SINSOU

Singapore Changi

Fri 19-9

00:40-17:30

1 stop23h 50m

S$ 835

SingaporeSouthampton

SIN - SOU

SINSOU

Singapore Changi

Sun 10-8

18:45-19:30

2 stops31h 45m

S$ 1,096

Flights are sorted by cheapest return flights first.

Deals found on 18-6

Best time to book a flight from Singapore to Portsmouth

Have a flexible travel schedule? Discover the best time to fly to Portsmouth from Singapore 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 from Singapore to Portsmouth

What is the cheapest month to book a flight from Singapore to Portsmouth?

Currently, March is the cheapest month in which you can book a flight from Singapore to Portsmouth (average of S$ 757). Flying from Singapore to Portsmouth in July is currently the most expensive (average of S$ 971). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SIN to P0R?

Find hourly flight availability from Singapore to Portsmouth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 19 June 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Singapore to Portsmouth as you normally would.

Weekly flight availability from Singapore to Portsmouth

Explore weekly flight availability from Singapore to Portsmouth. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 19 June 2025.

The most flights from SIN to P0R are scheduled on a Monday (40 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (36 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 inches 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 19 June 2025.
KLM
7.8
Good
1,365 reviews
Check prices

Crew

8.4

Boarding

7.8

Food

7.2

Overall

7.8

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,365 reviews
KLM
7.8
Good
1,365 reviews
Check prices

Crew

8.4

Boarding

7.8

Food

7.2

Overall

7.8

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Qatar Airways
7.4
Good
3,590 reviews
KLM
7.8
Good
1,365 reviews
Check prices

Crew

8.4

Boarding

7.8

Food

7.2

Overall

7.8

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

Find useful and relevant information for your journey from Singapore to Portsmouth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Singapore to Portsmouth?

    For a flight from Singapore to Portsmouth, you will be flying from Changi. Singapore Changi (SIN) is just 16.9 km from the centre of the city. Changi is the only Singapore airport and it handles 0 outbound flights to Portsmouth per day. 19 airlines have flights to Portsmouth from Singapore Changi on a regular basis.

  • What are the most reliable airlines from Singapore to Portsmouth?

    Consider Garuda Indonesia (92%), American Airlines (84%) or Iberia (84%) when booking your flight. These represent the most reliable airlines when flying from Singapore to Portsmouth.

  • What are the cheapest flights from Singapore to Portsmouth?

    Looking at all options, your cheapest flight can be booked for S$ 747. While the most popular route (Singapore Changi - Southampton Eastleigh) can be booked for S$ 1,404 on average our data indicates S$ 1,485 when flying from Singapore to Portsmouth.

  • Can I find deals for flights from Singapore to Portsmouth that include hotel bookings?

    Yes. In addition to deals on Singapore to Portsmouth flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Singapore to Portsmouth?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Singapore to Portsmouth.

  • Can I find deals for business class flights from Singapore to Portsmouth?

    Yes. Cheapflights offers flight deals from Singapore to Portsmouth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Singapore to Portsmouth?

    Currently, March is the cheapest month in which you can book a flight from Singapore to Portsmouth (average of S$ 757). Flying from Singapore to Portsmouth in July is currently the most expensive (average of S$ 971). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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.

Top 10 airlines flying from Singapore to Portsmouth

Discover the top 10 airlines that operate flights from Singapore to Portsmouth. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 200,618 searches. Data last updated 19 June 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapestS$ 660AverageS$ 1,060FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Shenzhen AirlinesCheapestS$ 700AverageS$ 755FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
China SouthernCheapestS$ 752AverageS$ 921FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapestS$ 783AverageS$ 979FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Etihad AirwaysCheapestS$ 790AverageS$ 964FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Turkish AirlinesCheapestS$ 796AverageS$ 914FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Air FranceCheapestS$ 796AverageS$ 1,029FlexibilityNo cancel feeOn-time77%
Search Air France flights
SWISSCheapestS$ 797AverageS$ 1,080FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Air ChinaCheapestS$ 798AverageS$ 947FlexibilityNo cancel feeOn-time67%
Search Air China flights
Malaysia AirlinesCheapestS$ 818AverageS$ 959FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights

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 from Singapore to Portsmouth?

Cheapflights makes it easy to find Singapore to Portsmouth flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Singapore to Portsmouth?

Cheapflights simply makes it quick and affordable to book flights from Singapore to Portsmouth by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Singapore to Portsmouth with no change fees?

Yes! Cheapflights helps users easily find flights from Singapore to Portsmouth with no change fees.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Portsmouth from Singapore today and book when prices fit your budget.

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