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Cheap flights from Portsmouth to Singapore from £461

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
8 Aug — 15 Aug1
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 9 July 2026.

Sat 15/817:20
SOU
-
SIN
2 stops20h 55m
Multiple Airlines
Sat 22/819:40
SIN
-
SOU
2 stops21h 05m
Multiple Airlines
Deal found 5/7£839
Sat 22/820:00
SOU
-
SIN
2 stops30h 40m
Multiple Airlines
Fri 28/801:10
SIN
-
SOU
3 stops46h 40m
Multiple Airlines
Deal found 8/7£856
Sun 12/709:15
SOU
-
SIN
2 stops26h 15m
KLM
Sun 19/722:20
SIN
-
SOU
2 stops26h 15m
KLM
Deal found 7/7£1,006
Sun 12/709:15
SOU
-
SIN
3 stops27h 55m
Multiple Airlines
Sun 19/716:55
SIN
-
SOU
2 stops33h 35m
Multiple Airlines
Deal found 7/7£1,198

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 9 July 2026.

Round-trip from

£839

One-way from

£461

Popular in

December

Cheapest in

September

Average price

£845
15/8-22/8
  • 15/8-22/8
  • 4 total stops
  • 42h 00m total
  • Portsmouth to Singapore
Search Deals
2/9
  • 2/9
  • 2 total stops
  • 28h 55m total
  • Portsmouth to Singapore
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (£9 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 9 July 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

Sat 15/8

17:20-21:15

2 stops20h 55m

Singapore Changi

Sat 22/8

19:40-09:45

2 stops21h 05m

£839

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Sat 22/8

20:00-09:40

2 stops30h 40m

Singapore Changi

Fri 28/8

01:10-16:50

3 stops46h 40m

£856

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Sat 22/8

17:30-18:30

2 stops42h 00m

Singapore Changi

Sat 29/8

22:20-08:35

2 stops41h 15m

£2,400

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Sat 31/10

17:05-21:15

2 stops20h 10m

Singapore Changi

Tue 3/11

03:15-19:30

2 stops24h 15m

£4,961
Cheapest one-way

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Tue 1/9

09:15-15:45

2 stops47h 30m

£477

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Sun 4/10

09:20-15:45

2 stops23h 25m

£498
Fastest single journey

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Sat 3/10

17:20-21:15

2 stops20h 55m

£498

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Wed 2/9

09:15-15:40

1 stop23h 25m

£618

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

Thu 16/7

17:20-21:15

2 stops20h 55m

£883

Flights are sorted by cheapest return flights first.

Deals found on 5/7

Sorted by cheapest first

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 9 July 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 afternoon, 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 9 July 2026.

The most flights from P0R to SIN are scheduled on a Monday (36 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?

Use this chart to determine the cheapest time to fly return from Portsmouth to Singapore. Price data was last updated on 4 July 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.

  • What are the most reliable airlines from Portsmouth to Singapore?

    The top 3 most reliable airlines when flying from Portsmouth to Singapore are Avianca (91%), American Airlines (91%) and Iberia (91%).

  • What are the cheapest flights from Portsmouth to Singapore?

    While on average a flight from Portsmouth to Singapore is generally £4,419, our data shows the cheapest flight currently is £447. When looking at the most popular route, (Southampton Eastleigh - Singapore Changi), you can expect to pay £898 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 9 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest£319Average£509FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Shenzhen AirlinesCheapest£355Average£444FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
Air ChinaCheapest£364Average£492FlexibilityNo cancel feeOn-time67%
Search Air China flights
Hainan AirlinesCheapest£364Average£474FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Etihad AirwaysCheapest£379Average£610FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
China SouthernCheapest£397Average£675FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Royal Brunei AirlinesCheapest£444Average£540FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
SWISSCheapest£458Average£675FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Malaysia AirlinesCheapest£465Average£571FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
China EasternCheapest£467Average£526FlexibilityNo cancel feeOn-time62%
Search China Eastern 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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