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Cheap flights from Portsmouth to Singapore from £449

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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SIN
21 May — 28 May1
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 April 2026.

Thu 4/609:20
SOU
-
SIN
3 stops31h 35m
Multiple Airlines
Wed 10/600:50
SIN
-
SOU
3 stops38h 50m
Multiple Airlines
Deal found 19/4£704
Tue 2/620:00
SOU
-
SIN
2 stops30h 40m
Multiple Airlines
Tue 9/621:00
SIN
-
SOU
2 stops29h 30m
Multiple Airlines
Deal found 18/4£725
Tue 2/609:20
SOU
-
SIN
2 stops41h 20m
Multiple Airlines
Sun 23/821:00
SIN
-
SOU
2 stops42h 40m
Multiple Airlines
Deal found 16/4£782
Thu 21/509:20
SOU
-
SIN
2 stops23h 55m
Multiple Airlines
Tue 2/601:30
SIN
-
SOU
2 stops25h 00m
Multiple Airlines
Deal found 16/4£784
Wed 9/920:00
SOU
-
SIN
2 stops29h 50m
Qatar Airways
Wed 7/1019:40
SIN
-
SOU
2 stops30h 50m
Qatar Airways
Deal found 20/4£797
Tue 19/520:00
SOU
-
SIN
2 stops30h 20m
Qatar Airways
Tue 2/601:30
SIN
-
SOU
2 stops25h 00m
Qatar Airways
Deal found 16/4£799
Fri 22/520:00
SOU
-
SIN
2 stops30h 20m
Qatar Airways
Thu 4/619:00
SIN
-
SOU
2 stops31h 30m
Qatar Airways
Deal found 16/4£826

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 April 2026.

Round-trip from

£704

One-way from

£449

Popular in

December

Cheapest in

September

Average price

£602
4/6-10/6
  • 4/6-10/6
  • 6 total stops
  • 70h 25m total
  • Portsmouth to Singapore
Search Deals
2/9
  • 2/9
  • 2 total stops
  • 23h 25m total
  • Portsmouth to Singapore
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£29 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 April 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

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Wed 9/9

20:00-08:50

2 stops29h 50m

Singapore Changi

Wed 7/10

19:40-19:30

2 stops30h 50m

£797

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Thu 21/5

20:00-09:20

2 stops30h 20m

Singapore Changi

Mon 1/6

19:00-19:30

2 stops31h 30m

£799

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Wed 20/5

09:20-16:15

2 stops23h 55m

Singapore Changi

Thu 4/6

01:30-19:30

2 stops25h 00m

£826

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Thu 18/6

20:00-21:15

2 stops42h 15m

Singapore Changi

Mon 22/6

19:40-19:30

2 stops30h 50m

£899
Fastest return journey

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Thu 4/6

17:20-15:40

1 stop15h 20m

Singapore Changi

Thu 11/6

21:00-16:50

2 stops26h 50m

£1,116

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Tue 2/6

09:05-18:30

2 stops26h 25m

Singapore Changi

Mon 8/6

00:55-16:50

1 stop22h 55m

£1,153

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Mon 1/6

09:05-15:40

1 stop23h 35m

Singapore Changi

Mon 8/6

22:20-16:50

2 stops25h 30m

£2,925
Cheapest one-way

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Thu 30/4

20:00-16:15

2 stops37h 15m

£465
Fastest single journey

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Wed 2/9

17:20-15:40

1 stop15h 20m

£628

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Fri 3/7

09:20-15:45

2 stops23h 25m

£767

Flights are sorted by cheapest return flights first.

Deals found on 17/4

Showing 1-10 of 12 resultsSorted by cheapest first
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 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 21 April 2026.

A simple way to save on the total cost of your ticket is to fly from Portsmouth to Singapore in the afternoon. If you’re flexible enough to do this you can expect to save up to 13% on your trip compared to booking a flight at midday.

What is the cheapest day to fly from Portsmouth to Singapore?

Use this chart to determine the cheapest time to fly return from Portsmouth to Singapore. Price data was last updated on 18 April 2026.

Travellers seeking maximum savings on their Portsmouth to Singapore flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Friday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

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 April 2026.

The most flights from P0R to SG0 are scheduled on a Monday (35 on average). You will have fewer flight options on Thursday, 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.

  • How long is the flight from Portsmouth to Singapore?

    Departing from Portsmouth to Singapore will take you 29h 50m. 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 (100%), Qantas Airways (95%), Scandinavian Airlines (91%).

  • What are the cheapest flights from Portsmouth to Singapore?

    Looking at all options, your cheapest flight can be booked for £358. While the most popular route (Southampton Eastleigh - Singapore Changi) can be booked for £724 on average, our data indicates £1,226 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Portsmouth to Singapore

See prices for flight routes from nearby airports that may be better suited for you.
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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 April 2026.
AirlineCheapestAverageFlexibilityOn-time
EmiratesCheapest£316Average£810FlexibilityNo cancel feeOn-time75%
Search Emirates flights
Air IndiaCheapest£322Average£550FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Shenzhen AirlinesCheapest£351Average£422FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
Hainan AirlinesCheapest£360Average£421FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Air ChinaCheapest£370Average£477FlexibilityNo cancel feeOn-time67%
Search Air China flights
Thai AirwaysCheapest£374Average£639FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
Etihad AirwaysCheapest£401Average£614FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
China EasternCheapest£402Average£520FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest£430Average£544FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Royal Brunei AirlinesCheapest£439Average£530FlexibilityNo 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?

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.

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