Find flights
When to book
FAQs

Cheap flights from Portsmouth to Singapore from £354

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 19/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SIN
5 Mar — 12 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portsmouth to Singapore

Enter your travel dates to find the best prices.

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 3 February 2026.

Wed 18/317:35
SOU
-
SIN
1 stop14h 40m
KLM
Wed 25/322:50
SIN
-
SOU
2 stops26h 35m
KLM
Deal found 2/2£584
Fri 20/319:50
SOU
-
SIN
2 stops35h 05m
Multiple Airlines
Thu 26/303:15
SIN
-
SOU
2 stops24h 05m
Multiple Airlines
Deal found 3/2£693
Fri 20/317:35
SOU
-
SIN
2 stops39h 20m
KLM
Thu 26/301:40
SIN
-
SOU
1 stop23h 20m
KLM
Deal found 3/2£752
Wed 18/308:50
SOU
-
SIN
2 stops24h 30m
Multiple Airlines
Wed 25/304:15
SIN
-
SOU
3 stops45h 15m
Multiple Airlines
Deal found 1/2£758

Find flight deals from Portsmouth to Singapore

Keep the following information in mind while searching for Portsmouth to Singapore flight deals. Data was last updated 3 February 2026.

Round-trip from

£584

One-way from

£354

Popular in

December

Cheapest in

May

Average price

£570
KLM
  • KLM
  • 18/3-25/3
  • 3 total stops
  • 41h 15m total
  • Portsmouth to Singapore
Search Deals
19/3
  • 19/3
  • 3 total stops
  • 29h 05m total
  • Portsmouth to Singapore
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£16 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 3 February 2026.
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

Wed 18/3

17:35-16:15

1 stop14h 40m

Singapore Changi

Wed 25/3

22:50-17:25

2 stops26h 35m

£584

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Fri 20/3

19:50-14:55

2 stops35h 05m

Singapore Changi

Thu 26/3

03:15-19:20

2 stops24h 05m

£693

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Fri 20/3

17:35-16:55

2 stops39h 20m

Singapore Changi

Thu 26/3

01:40-17:00

1 stop23h 20m

£752

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Wed 18/3

08:50-17:20

2 stops24h 30m

Singapore Changi

Wed 25/3

04:15-17:30

3 stops45h 15m

£758

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Thu 19/3

14:15-03:20

3 stops29h 05m

£354

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Thu 19/3

08:50-16:15

1 stop23h 25m

£630

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Sat 21/3

09:30-14:55

2 stops21h 25m

£745

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Fri 20/3

20:10-14:55

2 stops34h 45m

£752

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Fri 13/3

20:10-21:15

2 stops41h 05m

£760

Flights are sorted by cheapest return flights first.

Deals found on 2/2

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, August is the cheapest month in which you can book a flight from Portsmouth to Singapore (average of £382). Flying from Portsmouth to Singapore in July is currently the most expensive (average of £499). 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 SG?

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 3 February 2026.

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 3 February 2026.

The most flights from P0R to SG0 are scheduled on a Monday (28 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (18 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.

  • How long is the flight from Portsmouth to Singapore?

    Departing from Portsmouth to Singapore will take you 14h 40m. Portsmouth and Singapore are separated by a distance of 6803 mi.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Portsmouth to Singapore on time: Air Canada (95%), Scandinavian Airlines (87%), TAP AIR PORTUGAL (87%).

  • What are the cheapest flights from Portsmouth to Singapore?

    Looking at all options, your cheapest flight can be booked for £368. While the most popular route (Southampton Eastleigh - Singapore Changi) can be booked for £584 on average, our data indicates £3,638 when flying from Portsmouth to Singapore.

  • 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, August is the cheapest month in which you can book a flight from Portsmouth to Singapore (average of £382). Flying from Portsmouth to Singapore in July is currently the most expensive (average of £499). 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.

Alternative routes for Portsmouth to Singapore

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Suvarnabhumi flights
Gatwick to Suvarnabhumi flights
Heathrow to Haneda flights
Stansted to Suvarnabhumi flights
London City to Suvarnabhumi flights
Heathrow to New Delhi flights
Heathrow to Narita flights
Gatwick to Haneda flights
Gatwick to Narita flights
Heathrow to Colombo flights
Heathrow to Hong Kong flights
Stansted to Narita flights
Heathrow to Kuala Lumpur Intl flights
London City to Haneda flights
Manchester to Suvarnabhumi flights
London City to Narita flights
Stansted to Haneda flights
Heathrow to Manila flights
Heathrow to Mumbai flights
Heathrow to Don Mueang Intl flights
Heathrow to Incheon Intl flights
Manchester to Islamabad flights
Luton to Suvarnabhumi flights
Stansted to New Delhi flights
Gatwick to New Delhi flights
Heathrow to Islamabad flights
Heathrow to Singapore flights
Heathrow to Lahore flights
Gatwick to Manila flights
Heathrow to Phuket City flights
Gatwick to Colombo flights
Heathrow to Taiwan Taoyuan Intl flights
Heathrow to Hanoi flights
Heathrow to Denpasar flights
Heathrow to Hongqiao Intl flights
Gatwick to Singapore flights
Stansted to Colombo flights
Stansted to Manila flights
London City to Manila flights
Gatwick to Hong Kong flights
Gatwick to Kuala Lumpur Intl flights
Stansted to Hong Kong flights
London City to Hong Kong flights
Heathrow to Ho Chi Minh City flights
Luton to Narita flights
Luton to New Delhi flights
Stansted to Kuala Lumpur Intl flights
London City to New Delhi flights
Heathrow to Hyderabad flights
Stansted to Islamabad flights

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 3 February 2026.
AirlineCheapestAverageFlexibilityOn-time
EmiratesCheapest£312Average£831FlexibilityNo cancel feeOn-time75%
Search Emirates flights
Air IndiaCheapest£319Average£545FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Hainan AirlinesCheapest£346Average£434FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Shenzhen AirlinesCheapest£351Average£408FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
Air ChinaCheapest£365Average£448FlexibilityNo cancel feeOn-time67%
Search Air China flights
China EasternCheapest£411Average£492FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
SWISSCheapest£417Average£578FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Royal Brunei AirlinesCheapest£420Average£505FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
China SouthernCheapest£425Average£538FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air FranceCheapest£426Average£676FlexibilityNo cancel feeOn-time77%
Search Air France 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?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Singapore from Portsmouth.

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

Need flexible booking options for your flight to Singapore from Portsmouth? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Not ready to book yet? You can track prices for flights from Portsmouth to Singapore on Cheapflights with our Price Alert feature and get notified when better prices are available.

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.