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Cheap flights from Portsmouth to Singapore from £466

LHR — SIN
8 Oct — 15 Oct1
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

Thu 12/1108:40 -
2 stops27h 55m
Tue 17/1101:40 -
1 stop38h 30m
Deal found 5/9£564
Thu 12/1109:20 -
2 stops40h 15m
Wed 18/1119:25 -
2 stops24h 30m
Deal found 5/9£637
Mon 12/1020:00 -
2 stops29h 50m
Sun 18/1003:15 -
2 stops23h 15m
Deal found 3/9£640
Tue 20/1009:15 -
2 stops23h 30m
Mon 26/1003:15 -
2 stops37h 35m
Deal found 5/9£642
Wed 21/1009:20 -
2 stops28h 55m
Tue 27/1003:15 -
2 stops24h 15m
Deal found 7/9£732

Find flight deals from Portsmouth to Singapore

Round-trip from

£564

One-way from

£466

Popular in

July

Cheapest in

November

Average price

£597
KLM
  • KLM
  • 12/11-17/11
  • 3 total stops
  • 66h 25m total
  • Portsmouth to Singapore
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Qatar Airways
  • Qatar Airways
  • 18/11-31/12
  • 2 total stops
  • 34h 55m total
  • Portsmouth to Singapore
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£63 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

 
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 Southampton Eastleigh - SIN Singapore Changi

SOUSIN

Southampton Eastleigh

Thu 12/11

09:20-21:15

2 stops27h 55m

Singapore Changi

Wed 31/12

00:00-17:30

Nonstop0h 00m

£470
Fastest return journey

SouthamptonSingapore

SOU Southampton Eastleigh - SIN Singapore Changi

SOUSIN

Southampton Eastleigh

Sat 26/9

09:20-15:45

2 stops23h 25m

Singapore Changi

Wed 31/12

00:00-17:30

Nonstop0h 00m

£479

SouthamptonSingapore

SOU Southampton Eastleigh - SIN Singapore Changi

SOUSIN

Southampton Eastleigh

Mon 12/10

20:00-08:50

2 stops29h 50m

Singapore Changi

Sun 18/10

03:15-19:30

2 stops23h 15m

£640

SouthamptonSingapore

SOU Southampton Eastleigh - SIN Singapore Changi

SOUSIN

Southampton Eastleigh

Thu 12/11

08:40-16:15

1 stop23h 35m

Singapore Changi

Wed 31/12

00:00-17:30

Nonstop0h 00m

£649

SouthamptonSingapore

SOU Southampton Eastleigh - SIN Singapore Changi

SOUSIN

Southampton Eastleigh

Thu 29/10

09:20-21:15

2 stops27h 55m

Singapore Changi

Mon 2/11

03:15-19:30

2 stops24h 15m

£801

SouthamptonSingapore

SOU Southampton Eastleigh - SIN Singapore Changi

SOUSIN

Southampton Eastleigh

Thu 29/10

09:20-21:15

2 stops27h 55m

Singapore Changi

Wed 4/11

20:15-19:30

2 stops31h 15m

£802

SouthamptonSingapore

SOU Southampton Eastleigh - SIN Singapore Changi

SOUSIN

Southampton Eastleigh

Wed 28/10

20:00-08:45

2 stops28h 45m

Singapore Changi

Wed 4/11

20:15-19:30

2 stops31h 15m

£802

SouthamptonSingapore

SOU Southampton Eastleigh - SIN Singapore Changi

SOUSIN

Southampton Eastleigh

Mon 1/2

09:20-21:15

2 stops27h 55m

Singapore Changi

Mon 15/2

10:15-19:30

2 stops41h 15m

£802

SouthamptonSingapore

SOU Southampton Eastleigh - SIN Singapore Changi

SOUSIN

Southampton Eastleigh

Mon 1/2

09:20-21:15

2 stops27h 55m

Singapore Changi

Thu 11/2

20:15-19:30

2 stops31h 15m

£802

SouthamptonSingapore

SOU Southampton Eastleigh - SIN Singapore Changi

SOUSIN

Southampton Eastleigh

Mon 2/11

20:00-08:45

2 stops28h 45m

Singapore Changi

Sun 8/11

03:15-19:30

2 stops24h 15m

£802

Flights are sorted by cheapest return flights first.

Deals found on 7/9

Showing 1-10 of 15 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

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?

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 afternoon, which can drop the price by up to 13% versus a flight in the evening.

Weekly flight availability from Portsmouth to Singapore

The most flights from P0R to SIN are scheduled on a Monday (38 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (34 on average).

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

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

  • 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 27h 55m. 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 Croatia Airlines (100%), Garuda Indonesia (97%) and Air Canada (95%).

  • What are the cheapest flights from Portsmouth to Singapore?

    While on average a flight from Portsmouth to Singapore is generally £5,035, our data shows the cheapest flight currently is £463. When looking at the most popular route, (Southampton Eastleigh - Singapore Changi), you can expect to pay £748 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

Top 10 airlines flying from Portsmouth to Singapore

AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest£300Average£419FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Air ChinaCheapest£323Average£484FlexibilityNo cancel feeOn-time67%
Search Air China flights
Shenzhen AirlinesCheapest£342Average£438FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
Hainan AirlinesCheapest£360Average£433FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Etihad AirwaysCheapest£369Average£617FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
China EasternCheapest£423Average£519FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Royal Brunei AirlinesCheapest£453Average£561FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
Malaysia AirlinesCheapest£460Average£565FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
FinnairCheapest£471Average£668FlexibilityNo cancel feeOn-time76%
Search Finnair flights
SWISSCheapest£472Average£739FlexibilityNo cancel feeOn-time79%
Search SWISS flights

Fly with Cheapflights

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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