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Cheap flights from Portsmouth to Singapore from £314

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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SIN
20 Feb — 27 Feb1
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 21 January 2026.

Sat 21/317:30
SOU
-
SIN
2 stops39h 25m
KLM
Sun 29/310:50
SIN
-
SOU
2 stops28h 45m
KLM
Deal found 20/1£544
Mon 23/317:40
SOU
-
SIN
1 stop14h 35m
KLM
Mon 30/321:15
SIN
-
SOU
2 stops18h 20m
KLM
Deal found 19/1£626
Thu 5/216:05
SOU
-
SIN
2 stops21h 10m
Multiple Airlines
Mon 16/220:15
SIN
-
SOU
2 stops23h 40m
Multiple Airlines
Deal found 19/1£685
Mon 23/317:40
SOU
-
SIN
3 stops43h 50m
Multiple Airlines
Mon 30/311:10
SIN
-
SOU
3 stops37h 05m
Multiple Airlines
Deal found 19/1£698
Thu 5/209:30
SOU
-
SIN
2 stops27h 45m
Multiple Airlines
Thu 26/203:15
SIN
-
SOU
2 stops24h 25m
Multiple Airlines
Deal found 19/1£747
Mon 2/209:30
SOU
-
SIN
2 stops27h 45m
Qatar Airways
Sun 1/303:15
SIN
-
SOU
2 stops24h 25m
Qatar Airways
Deal found 19/1£766
Wed 4/212:25
SOU
-
SIN
2 stops48h 50m
Qatar Airways
Sun 1/303:15
SIN
-
SOU
2 stops24h 25m
Qatar Airways
Deal found 19/1£773
Thu 5/209:00
SOU
-
SIN
2 stops23h 55m
KLM
Thu 26/201:40
SIN
-
SOU
1 stop23h 20m
KLM
Deal found 19/1£787

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 21 January 2026.

Round-trip from

£544

One-way from

£314

Popular in

December

Cheapest in

May

Average price

£564
KLM
  • KLM
  • 21/3-29/3
  • 4 total stops
  • 68h 10m total
  • Portsmouth to Singapore
Search Deals
5/3
  • 5/3
  • 2 total stops
  • 35h 20m total
  • Portsmouth to Singapore
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£17 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 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 21 January 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

Sat 21/3

17:30-16:55

2 stops39h 25m

Singapore Changi

Sun 29/3

10:50-08:35

2 stops28h 45m

£544

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Mon 23/3

17:40-16:15

1 stop14h 35m

Singapore Changi

Mon 30/3

21:15-08:35

2 stops18h 20m

£626

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Thu 5/2

16:05-21:15

2 stops21h 10m

Singapore Changi

Mon 16/2

20:15-11:55

2 stops23h 40m

£685

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Mon 23/3

17:40-21:30

3 stops43h 50m

Singapore Changi

Mon 30/3

11:10-17:15

3 stops37h 05m

£698

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Thu 5/2

09:30-21:15

2 stops27h 45m

Singapore Changi

Thu 26/2

03:15-19:40

2 stops24h 25m

£747

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Mon 2/2

09:30-21:15

2 stops27h 45m

Singapore Changi

Sun 1/3

03:15-19:40

2 stops24h 25m

£766

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Thu 5/2

20:10-08:45

2 stops28h 35m

Singapore Changi

Sun 1/3

03:15-19:40

2 stops24h 25m

£766

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Wed 4/2

12:25-21:15

2 stops48h 50m

Singapore Changi

Sun 1/3

03:15-19:40

2 stops24h 25m

£773

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Thu 5/2

09:00-16:55

2 stops23h 55m

Singapore Changi

Thu 26/2

01:40-17:00

1 stop23h 20m

£787

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Thu 5/3

14:15-09:35

2 stops35h 20m

£314

Flights are sorted by cheapest return flights first.

Deals found on 19/1

Showing 1-10 of 13 results
1
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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 £389). Flying from Portsmouth to Singapore in July is currently the most expensive (average of £508). 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 21 January 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 21 January 2026.

The most flights from P0R to SIN are scheduled on a Monday (28 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (27 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 25 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 39h 25m. 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 Air Canada (92%), Croatia Airlines (86%) and Scandinavian Airlines (84%).

  • What are the cheapest flights from Portsmouth to Singapore?

    While on average a flight from Portsmouth to Singapore is generally £3,633, our data shows the cheapest flight currently is £434. When looking at the most popular route, (Southampton Eastleigh - Singapore Changi), you can expect to pay £544 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, August is the cheapest month in which you can book a flight from Portsmouth to Singapore (average of £389). Flying from Portsmouth to Singapore in July is currently the most expensive (average of £508). 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 21 January 2026.
AirlineCheapestAverageFlexibilityOn-time
EmiratesCheapest£318Average£829FlexibilityNo cancel feeOn-time75%
Search Emirates flights
Air IndiaCheapest£324Average£553FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Hainan AirlinesCheapest£352Average£440FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Shenzhen AirlinesCheapest£360Average£416FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
Air ChinaCheapest£362Average£449FlexibilityNo cancel feeOn-time67%
Search Air China flights
KLMCheapest£416Average£775FlexibilityNo cancel feeOn-time75%
Search KLM flights
China EasternCheapest£418Average£500FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
SWISSCheapest£424Average£592FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Air FranceCheapest£424Average£633FlexibilityNo cancel feeOn-time77%
Search Air France flights
Royal Brunei AirlinesCheapest£427Average£503FlexibilityNo cancel feeOn-time84%
Search Royal Brunei 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 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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