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Cheap flights from Portsmouth to Singapore from £442

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
10 Jul — 17 Jul1
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 10 June 2026.

Mon 7/909:20
SOU
-
SIN
2 stops23h 25m
Multiple Airlines
Wed 23/903:15
SIN
-
SOU
2 stops23h 15m
Multiple Airlines
Deal found 8/6£787
Mon 6/720:00
SOU
-
SIN
2 stops42h 15m
Multiple Airlines
Sun 12/710:20
SIN
-
SOU
2 stops40h 10m
Multiple Airlines
Deal found 8/6£795
Wed 1/709:20
SOU
-
SIN
2 stops28h 55m
Qatar Airways
Tue 28/703:15
SIN
-
SOU
2 stops23h 15m
Qatar Airways
Deal found 5/6£800
Wed 1/709:20
SOU
-
SIN
2 stops28h 55m
Qatar Airways
Sun 2/803:15
SIN
-
SOU
2 stops47h 15m
Qatar Airways
Deal found 5/6£802
Wed 1/709:20
SOU
-
SIN
2 stops28h 55m
Qatar Airways
Sun 2/819:40
SIN
-
SOU
2 stops30h 50m
Qatar Airways
Deal found 5/6£811
Wed 1/709:20
SOU
-
SIN
2 stops28h 55m
Qatar Airways
Fri 31/710:20
SIN
-
SOU
2 stops40h 10m
Qatar Airways
Deal found 5/6£813
Wed 18/1120:00
SOU
-
SIN
2 stops28h 45m
Qatar Airways
Sun 22/1110:15
SIN
-
SOU
2 stops41h 15m
Qatar Airways
Deal found 8/6£819
Wed 5/820:00
SOU
-
SIN
2 stops42h 15m
Multiple Airlines
Sat 8/803:15
SIN
-
SOU
2 stops23h 15m
Multiple Airlines
Deal found 9/6£850
Mon 6/720:00
SOU
-
SIN
2 stops42h 15m
Qatar Airways
Tue 28/703:15
SIN
-
SOU
2 stops23h 15m
Qatar Airways
Deal found 5/6£852
Mon 6/720:00
SOU
-
SIN
2 stops42h 15m
Qatar Airways
Sun 2/803:15
SIN
-
SOU
2 stops47h 15m
Qatar Airways
Deal found 5/6£855
Mon 6/720:00
SOU
-
SIN
2 stops42h 15m
Qatar Airways
Sun 2/819:40
SIN
-
SOU
2 stops30h 50m
Qatar Airways
Deal found 5/6£863
Mon 6/720:00
SOU
-
SIN
2 stops42h 15m
Qatar Airways
Fri 31/710:20
SIN
-
SOU
2 stops40h 10m
Qatar Airways
Deal found 5/6£865

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 10 June 2026.

Round-trip from

£787

One-way from

£442

Popular in

December

Cheapest in

September

Average price

£635
Qatar Airways
  • Qatar Airways
  • 7/9-23/9
  • 4 total stops
  • 46h 40m total
  • Portsmouth to Singapore
Search Deals
2/9
  • 2/9
  • 2 total stops
  • 36h 45m total
  • Portsmouth to Singapore
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£12 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 10 June 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 18/11

20:00-08:45

2 stops28h 45m

Singapore Changi

Sun 22/11

10:15-19:30

2 stops41h 15m

£819

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Wed 5/8

20:00-21:15

2 stops42h 15m

Singapore Changi

Sat 8/8

03:15-19:30

2 stops23h 15m

£850
Fastest return journey

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Thu 6/8

17:20-21:15

2 stops20h 55m

Singapore Changi

Mon 10/8

19:40-19:30

2 stops30h 50m

£887

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Fri 3/7

20:00-21:15

2 stops42h 15m

Singapore Changi

Sun 2/8

03:15-19:30

2 stops47h 15m

£935

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Wed 22/7

20:00-21:15

2 stops42h 15m

Singapore Changi

Sun 26/7

03:15-19:30

2 stops23h 15m

£964

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Wed 22/7

20:00-21:15

2 stops42h 15m

Singapore Changi

Sun 2/8

19:40-19:30

2 stops30h 50m

£976

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Wed 15/7

09:20-21:15

2 stops28h 55m

Singapore Changi

Wed 29/7

03:15-19:30

2 stops23h 15m

£991

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Fri 17/7

20:00-21:15

2 stops42h 15m

Singapore Changi

Tue 28/7

19:40-19:30

2 stops30h 50m

£1,013

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Sun 21/6

09:20-21:15

2 stops28h 55m

Singapore Changi

Fri 26/6

03:15-19:30

2 stops23h 15m

£1,083

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Tue 7/7

20:00-21:15

2 stops42h 15m

Singapore Changi

Fri 31/7

03:15-19:30

2 stops23h 15m

£1,168

Flights are sorted by cheapest return flights first.

Deals found on 5/6

Showing 1-10 of 23 resultsSorted by cheapest first
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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 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 10 June 2026.

When flying from Portsmouth to Singapore, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 12% versus a flight at midday.

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 10 June 2026.

The most flights from P0R to SIN 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).

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 8 June 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.

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 28h 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 American Airlines (94%), Iberia (94%) and British Airways (94%).

  • What are the cheapest flights from Portsmouth to Singapore?

    While on average a flight from Portsmouth to Singapore is generally £1,344, our data shows the cheapest flight currently is £430. When looking at the most popular route, (Southampton Eastleigh - Singapore Changi), you can expect to pay £789 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.

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 10 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Thai AirwaysCheapest£285Average£780FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
Air IndiaCheapest£323Average£541FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Hainan AirlinesCheapest£354Average£465FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Shenzhen AirlinesCheapest£355Average£453FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
Air ChinaCheapest£374Average£482FlexibilityNo cancel feeOn-time67%
Search Air China flights
Etihad AirwaysCheapest£393Average£635FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
China SouthernCheapest£396Average£675FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest£407Average£525FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
SWISSCheapest£448Average£615FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Royal Brunei AirlinesCheapest£459Average£540FlexibilityNo 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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