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Cheap flights from Portsmouth to Singapore from £398

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 22/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SIN
12 Apr — 19 Apr1
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 13 March 2026.

Wed 22/409:20
SOU
-
SIN
2 stops25h 35m
Multiple Airlines
Wed 29/411:20
SIN
-
SOU
2 stops28h 20m
Multiple Airlines
Deal found 8/3£668
Sat 25/409:20
SOU
-
SIN
2 stops28h 55m
Multiple Airlines
Fri 1/503:15
SIN
-
SOU
2 stops23h 15m
Multiple Airlines
Deal found 11/3£702
Mon 27/417:20
SOU
-
SIN
2 stops33h 20m
Multiple Airlines
Mon 4/521:00
SIN
-
SOU
3 stops26h 50m
Multiple Airlines
Deal found 13/3£715
Sun 26/420:00
SOU
-
SIN
2 stops30h 40m
Multiple Airlines
Sun 3/521:00
SIN
-
SOU
2 stops42h 40m
Multiple Airlines
Deal found 12/3£732
Wed 8/420:00
SOU
-
SIN
2 stops30h 40m
Multiple Airlines
Wed 15/421:00
SIN
-
SOU
2 stops42h 40m
Multiple Airlines
Deal found 11/3£735
Wed 11/1109:20
SOU
-
SIN
2 stops21h 35m
Multiple Airlines
Mon 16/1103:15
SIN
-
SOU
2 stops24h 15m
Multiple Airlines
Deal found 9/3£815
Tue 10/1109:20
SOU
-
SIN
2 stops21h 35m
Multiple Airlines
Mon 16/1103:15
SIN
-
SOU
2 stops24h 15m
Multiple Airlines
Deal found 8/3£816

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 13 March 2026.

Round-trip from

£668

One-way from

£398

Popular in

December

Cheapest in

May

Average price

£607
22/4-29/4
  • 22/4-29/4
  • 4 total stops
  • 53h 55m total
  • Portsmouth to Singapore
Search Deals
22/4
  • 22/4
  • 3 total stops
  • 53h 35m total
  • Portsmouth to Singapore
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£34 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 13 March 2026.
Use the filters below to find and compare flights from Portsmouth to Singapore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Mon 27/4

17:20-23:55

3 stops23h 35m

Singapore Changi

Mon 4/5

20:00-17:40

3 stops28h 40m

£726

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Mon 11/5

20:00-15:45

2 stops36h 45m

Singapore Changi

Mon 18/5

03:15-19:30

2 stops23h 15m

£826

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Wed 8/4

20:00-15:45

2 stops36h 45m

Singapore Changi

Sun 26/4

19:40-19:30

2 stops30h 50m

£858

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Sat 11/4

09:10-15:45

2 stops23h 35m

Singapore Changi

Fri 1/5

19:40-19:30

2 stops30h 50m

£884

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Sun 5/4

20:00-08:50

2 stops29h 50m

Singapore Changi

Fri 1/5

03:15-19:30

2 stops23h 15m

£884

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Wed 29/4

09:10-21:15

2 stops29h 05m

Singapore Changi

Mon 4/5

03:15-19:30

2 stops23h 15m

£994

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Wed 3/6

20:00-08:50

2 stops29h 50m

Singapore Changi

Mon 8/6

03:15-19:25

2 stops23h 10m

£995

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Thu 9/4

20:00-08:50

2 stops29h 50m

Singapore Changi

Wed 29/4

03:15-19:30

2 stops23h 15m

£1,006

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Mon 6/4

20:00-08:50

2 stops29h 50m

Singapore Changi

Fri 1/5

03:15-19:30

2 stops23h 15m

£1,081

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Thu 11/6

20:00-15:45

2 stops36h 45m

Singapore Changi

Mon 15/6

19:40-19:30

2 stops30h 50m

£1,223

Flights are sorted by cheapest return flights first.

Deals found on 8/3

Showing 1-10 of 18 resultsSorted by cheapest first
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 £388). Flying from Portsmouth to Singapore in July is currently the most expensive (average of £526). 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 13 March 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 13 March 2026.

The most flights from P0R to SIN are scheduled on a Monday (35 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (33 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 36h 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 Air Canada (100%), Scandinavian Airlines (92%) and TAP AIR PORTUGAL (92%).

  • What are the cheapest flights from Portsmouth to Singapore?

    While on average a flight from Portsmouth to Singapore is generally £3,607, our data shows the cheapest flight currently is £329. When looking at the most popular route, (Southampton Eastleigh - Singapore Changi), you can expect to pay £732 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 £388). Flying from Portsmouth to Singapore in July is currently the most expensive (average of £526). 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 13 March 2026.
AirlineCheapestAverageFlexibilityOn-time
EmiratesCheapest£319Average£826FlexibilityNo cancel feeOn-time75%
Search Emirates flights
Air IndiaCheapest£325Average£553FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Hainan AirlinesCheapest£354Average£438FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Shenzhen AirlinesCheapest£359Average£423FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
Air ChinaCheapest£374Average£475FlexibilityNo cancel feeOn-time67%
Search Air China flights
Thai AirwaysCheapest£378Average£620FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
China SouthernCheapest£396Average£539FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest£407Average£543FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Royal Brunei AirlinesCheapest£429Average£526FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
Air FranceCheapest£431Average£711FlexibilityNo 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?

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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