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Cheap flights from Portsmouth to Singapore from £627

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SIN
3 Sep — 10 Sep1
1 adult

Cheap flight deals from Portsmouth to Singapore

Keep the following information in mind while searching for Portsmouth to Singapore flight deals. Data was last updated 29 August 2025.

Round-trip from

£627

Popular in

December

Cheapest in

May

Average price

£727
22/11-6/12
  • 22/11-6/12
  • 3 total stops
  • 60h 20m total
  • Portsmouth to Singapore
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£33 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£18 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
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Find flight deals from Portsmouth to Singapore

Cheapest flights from Portsmouth to Singapore
Explore the most affordable flight options available from Portsmouth to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.

Sat 22/1117:30SOU - SIN
1 stop14h 45mMultiple Airlines
Sat 6/1218:35SIN - SOU
2 stops45h 35mMultiple Airlines
Deal found 27/8£627
Sat 22/1117:30SOU - SIN
1 stop14h 45mKLM
Fri 5/1201:40SIN - SOU
1 stop23h 20mKLM
Deal found 27/8£636
Sat 11/1016:25SOU - SIN
2 stops34h 15mMultiple Airlines
Sat 18/1021:10SIN - SOU
2 stops53h 20mMultiple Airlines
Deal found 28/8£716
Tue 11/1120:10SOU - SIN
2 stops34h 45mQatar Airways
Wed 26/1120:15SIN - SOU
2 stops27h 20mQatar Airways
Deal found 28/8£748
Fri 14/1120:10SOU - SIN
2 stops34h 45mQatar Airways
Tue 2/1220:15SIN - SOU
2 stops31h 25mQatar Airways
Deal found 27/8£773
Fri 12/909:40SOU - SIN
2 stops23h 05mMultiple Airlines
Thu 23/1003:10SIN - SOU
2 stops23h 20mMultiple Airlines
Deal found 29/8£837
Fri 14/1120:10SOU - SIN
2 stops28h 35mMultiple Airlines
Mon 1/1203:15SIN - SOU
2 stops20h 45mMultiple Airlines
Deal found 27/8£981

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portsmouth to Singapore 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 858,174 searches. Data last updated 29 August 2025.
Use the filters below to find and compare flights from Portsmouth to Singapore that are best for you.

Fly from

Portsmouth

Fly to

Singapore

Route

Depart

Return

Price

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Sat 22/11

17:30-16:15

1 stop14h 45m

Singapore Changi

Sat 6/12

18:35-08:10

2 stops45h 35m

£627

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Sat 22/11

17:30-16:15

1 stop14h 45m

Singapore Changi

Fri 5/12

01:40-17:00

1 stop23h 20m

£636

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Sat 11/10

16:25-09:40

2 stops34h 15m

Singapore Changi

Sat 18/10

21:10-19:30

2 stops53h 20m

£716

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Tue 11/11

20:10-14:55

2 stops34h 45m

Singapore Changi

Wed 26/11

20:15-15:35

2 stops27h 20m

£748

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Fri 14/11

20:10-14:55

2 stops34h 45m

Singapore Changi

Tue 2/12

20:15-19:40

2 stops31h 25m

£773

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Fri 12/9

09:40-15:45

2 stops23h 05m

Singapore Changi

Thu 23/10

03:10-19:30

2 stops23h 20m

£837

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Mon 27/10

09:30-14:55

2 stops21h 25m

£694

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Mon 20/10

09:40-15:45

2 stops23h 05m

£695

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Wed 22/10

09:10-21:00

2 stops28h 50m

£702

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Wed 29/10

12:25-14:55

2 stops42h 30m

£707

Flights are sorted by cheapest return flights first.

Deals found on 28/8

Showing 1-10 of 12 results
1
2

Best time to book a flight from Portsmouth to Singapore

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

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

Currently, May is the cheapest month in which you can book a flight from Portsmouth to Singapore (average of £714). Flying from Portsmouth to Singapore in December is currently the most expensive (average of £1,115). 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 P0R to SIN?

Find hourly flight availability from Portsmouth to Singapore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 August 2025.

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

Weekly flight availability from Portsmouth to Singapore

Explore weekly flight availability from Portsmouth to Singapore. 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 29 August 2025.

The most flights from P0R to SIN are scheduled on a Monday (38 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (37 on average).

Related info for your journey

Find useful and relevant information for your journey from Portsmouth to Singapore. 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 into for flights to Singapore from Portsmouth?

    Most people fly into Singapore Changi (SIN) if they book a flight to Singapore from Portsmouth. On average, Changi has 0 inbound flights from Portsmouth per day from 24 airlines. Singapore Changi is conveniently located just 10.5 mi from Singapore’s city center.

  • How long is the flight from Portsmouth to Singapore?

    Departing from Portsmouth to Singapore will take you 14h 45m. Portsmouth and Singapore are separated by a distance of 6803 mi.

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

    The top 3 most reliable airlines when flying from Portsmouth to Singapore are Croatia Airlines (89%), Air Canada (79%) and Garuda Indonesia (78%).

  • What are the cheapest flights from Portsmouth to Singapore?

    While on average a flight from Portsmouth to Singapore is generally £3,888, our data shows the cheapest flight currently is £362. When looking at the most popular route, (Southampton Eastleigh - Singapore Changi), you can expect to pay £627 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portsmouth to Singapore 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 Portsmouth to Singapore?

    Currently, May is the cheapest month in which you can book a flight from Portsmouth to Singapore (average of £714). Flying from Portsmouth to Singapore in December is currently the most expensive (average of £1,115). 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 Portsmouth to Singapore

Discover the top 10 airlines that operate flights from Portsmouth to Singapore. 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 858,174 searches. Data last updated 29 August 2025.
AirlineCheapestAverageFlexibilityOn-time
Shenzhen AirlinesCheapest£355Average£410FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
Air ChinaCheapest£361Average£448FlexibilityNo cancel feeOn-time67%
Search Air China flights
Hainan AirlinesCheapest£375Average£467FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
China EasternCheapest£383Average£492FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air IndiaCheapest£387Average£593FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
China SouthernCheapest£394Average£451FlexibilityNo cancel feeOn-time69%
Search China Southern flights
KLMCheapest£414Average£802FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£415Average£571FlexibilityNo cancel feeOn-time77%
Search Air France flights
Royal Brunei AirlinesCheapest£425Average£496FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
LufthansaCheapest£449Average£701FlexibilityNo 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 Portsmouth to Singapore?

Cheapflights makes it easy to find Portsmouth to Singapore 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 Portsmouth to Singapore?

Cheapflights helps you find that perfect flight to Singapore from Portsmouth by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes, we can. To see specific flights from Portsmouth to Singapore with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights offers price alerts on Portsmouth to Singapore flights so you can book your travel at the perfect time. Price Alerts can be enabled 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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