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Cheap flights from Singapore to Portsmouth from S$ 594

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 6-11. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — LHR
23 Nov — 30 Nov1
1 adult
1 adult, Economy, 0 bags

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 24 October 2025.

Round-trip from

S$ 1,463

One-way from

S$ 594

Popular in

December

Cheapest in

March

Average price

S$ 1,037
KLM
  • KLM
  • 4-12-12-12
  • 2 total stops
  • 38h 05m total
  • Singapore to Portsmouth
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6-11
  • 6-11
  • 2 total stops
  • 46h 25m total
  • Singapore to Portsmouth
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (S$ 35 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (S$ 27 potential savings vs. average return price).
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Average for round-trip flights in October 2025
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Find flight deals from Singapore to Portsmouth

Enter your travel dates to find the best prices.

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 24 October 2025.

Sun 7-1221:20SIN - SOU
2 stops18h 50mKLM
Sun 14-1209:30SOU - SIN
1 stop22h 45mKLM
Deal found 23-10S$ 1,470
Sun 7-1216:10SIN - SOU
2 stops33h 15mMultiple Airlines
Sun 14-1209:30SOU - SIN
2 stops22h 00mMultiple Airlines
Deal found 23-10S$ 1,634

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 24 October 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

Sun 7-12

21:20-08:10

2 stops18h 50m

Southampton Eastleigh

Sun 14-12

09:30-16:15

1 stop22h 45m

S$ 1,470

SingaporeSouthampton

SIN - SOU

SINSOU

Singapore Changi

Wed 21-1

20:15-19:40

2 stops31h 25m

Southampton Eastleigh

Tue 27-1

12:25-21:15

2 stops24h 50m

S$ 1,505

SingaporeSouthampton

SIN - SOU

SINSOU

Singapore Changi

Sun 7-12

16:10-17:25

2 stops33h 15m

Southampton Eastleigh

Sun 14-12

09:30-15:30

2 stops22h 00m

S$ 1,634

SingaporeSouthampton

SIN - SOU

SINSOU

Singapore Changi

Wed 11-3

01:40-08:05

1 stop38h 25m

Southampton Eastleigh

Mon 16-3

08:50-16:15

1 stop23h 25m

S$ 1,646

SingaporeSouthampton

SIN - SOU

SINSOU

Singapore Changi

Thu 6-11

00:25-14:50

2 stops46h 25m

S$ 594

SingaporeSouthampton

SIN - SOU

SINSOU

Singapore Changi

Mon 17-11

03:15-19:40

2 stops24h 25m

S$ 762

SingaporeSouthampton

SIN - SOU

SINSOU

Singapore Changi

Sat 14-2

20:15-19:40

2 stops31h 25m

S$ 792

SingaporeSouthampton

SIN - SOU

SINSOU

Singapore Changi

Sun 16-11

03:15-19:40

2 stops24h 25m

S$ 1,134

SingaporeSouthampton

SIN - SOU

SINSOU

Singapore Changi

Sat 15-11

03:15-19:40

2 stops48h 25m

S$ 1,170

SingaporeSouthampton

SIN - SOU

SINSOU

Singapore Changi

Tue 18-11

03:15-19:40

2 stops24h 25m

S$ 1,508

Flights are sorted by cheapest return flights first.

Deals found on 22-10

Showing 1-10 of 13 results
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2

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$ 731). Flying from Singapore to Portsmouth in July is currently the most expensive (average of S$ 935). 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 24 October 2025.

One of the essential ways to save on airfare from Singapore to Portsmouth is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at midday could potentially save you up to 34% on airfare.

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. 17 airlines have flights to Portsmouth from Singapore Changi on a regular basis.

  • How long is the flight from Singapore to Portsmouth?

    Departing from Singapore to Portsmouth will take you 18h 50m. The distance between Singapore and Portsmouth is about 10948 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    Consider Garuda Indonesia (92%), American Airlines (90%) or Iberia (90%) 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$ 476. While the most popular route (Singapore Changi - Southampton Eastleigh) can be booked for S$ 1,470 on average, our data indicates S$ 3,003 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$ 731). Flying from Singapore to Portsmouth in July is currently the most expensive (average of S$ 935). 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 24 October 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapestS$ 667AverageS$ 1,081FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Shenzhen AirlinesCheapestS$ 712AverageS$ 807FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
China EasternCheapestS$ 753AverageS$ 1,105FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Etihad AirwaysCheapestS$ 783AverageS$ 915FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Air FranceCheapestS$ 798AverageS$ 1,056FlexibilityNo cancel feeOn-time77%
Search Air France flights
Turkish AirlinesCheapestS$ 799AverageS$ 961FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
SWISSCheapestS$ 806AverageS$ 1,178FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Malaysia AirlinesCheapestS$ 806AverageS$ 950FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Cathay PacificCheapestS$ 817AverageS$ 1,127FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
LufthansaCheapestS$ 820AverageS$ 1,125FlexibilityNo cancel feeOn-time76%
Search Lufthansa 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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