Question 1

What is the cheapest month to book a flight from Portsmouth to Singapore?

Accepted Answer

Currently, May is the cheapest month in which you can book a flight from Portsmouth to Singapore (average of £717). Flying from Portsmouth to Singapore in December is currently the most expensive (average of £1,115). 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.

Question 2

Weekly flight availability from Portsmouth to Singapore

Accepted Answer

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 (37 on average).

Question 3

E

Accepted Answer

In terms of precipitation, rainfall in Singapore ranges from 150.0 - 269.0 inches per month. December is typically the wettest month, when rainfall can reach 269.0 mm. July is typically the driest time to visit Singapore when rainfall is around 150.0 mm.

Question 4

E

Accepted Answer

If weather is an important factor for your trip to Singapore, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 28.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 26.0 C).

Question 5

What are the cheapest flights from Portsmouth to Singapore?

Accepted Answer

While on average a flight from Portsmouth to Singapore is generally £3,157, our data shows the cheapest flight currently is £385. When looking at the most popular route, (Southampton Eastleigh - Singapore Changi), you can expect to pay £985 for that flight.

Question 6

What are the most reliable airlines from Portsmouth to Singapore?

Accepted Answer

The top 3 most reliable airlines when flying from Portsmouth to Singapore are Qantas Airways (70%), American Airlines (70%) and Iberia (70%).

Question 7

What are the most popular airlines that fly from Portsmouth to Singapore?

Accepted Answer

Air France, Air India and Finnair are the most popular airlines when flying from Portsmouth to Singapore.

Question 8

How far in advance should I book a flight from Portsmouth to Singapore?

Accepted Answer

To save on the cost of your flight from Portsmouth to Singapore, book at least 24 days before your planned departure. Booking around this time can save you about 15% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £563 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £711.

Question 9

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

Accepted Answer

The best pricing can be found in the month of May. Prices to Singapore from Portsmouth average £616. You can even find prices in May for less than £616, as users have found deals to Singapore from as low as £390. The month of December appears to be one of the more expensive times to travel to Singapore from Portsmouth. Flying in the targeted month can save you up to 38%.

Question 10

What is the cheapest time of day to fly from P0R to SIN?

Accepted Answer

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.

Question 11

What airport do you fly into for flights to Singapore from Portsmouth?

Accepted Answer

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.

Question 12

Can I find deals for flights from Portsmouth to Singapore that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Portsmouth to Singapore flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 13

How can I find direct flights from Portsmouth to Singapore?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portsmouth to Singapore.

Question 14

Can I find deals for business class flights from Portsmouth to Singapore?

Accepted Answer

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.

Question 15

How does Cheapflights help users find flights from Portsmouth to Singapore?

Accepted Answer

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.

Question 16

Why should you use Cheapflights to find cheap flight tickets from Portsmouth to Singapore?

Accepted Answer

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!

Question 17

Can Cheapflights find flights from Portsmouth to Singapore with no change fees?

Accepted Answer

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.

Question 18

Can Cheapflights notify me if prices for flights from Portsmouth to Singapore become cheaper?

Accepted Answer

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.

Round-trip from	£984
Popular in	December
Cheapest in	May
Average price	£557

Airline	Cheapest	Average	Flexibility	On-time
Hainan Airlines	Cheapest£347	Average£397	FlexibilityNo cancel fee	On-time61%	Search Hainan Airlines flights
Shenzhen Airlines	Cheapest£352	Average£405	FlexibilityNo cancel fee	On-time63%	Search Shenzhen Airlines flights
Air China	Cheapest£366	Average£445	FlexibilityNo cancel fee	On-time67%	Search Air China flights
Air India	Cheapest£376	Average£599	FlexibilityNo cancel fee	On-timeN/A	Search Air India flights
China Eastern	Cheapest£380	Average£477	FlexibilityNo cancel fee	On-time62%	Search China Eastern flights
China Southern	Cheapest£393	Average£433	FlexibilityNo cancel fee	On-time69%	Search China Southern flights
KLM	Cheapest£410	Average£847	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Air France	Cheapest£411	Average£551	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Royal Brunei Airlines	Cheapest£421	Average£490	FlexibilityNo cancel fee	On-time84%	Search Royal Brunei Airlines flights
Finnair	Cheapest£453	Average£679	FlexibilityNo cancel fee	On-time76%	Search Finnair flights

Cheap flights from Portsmouth to Singapore from £790

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Portsmouth to Singapore

Keep the following information in mind while searching for Portsmouth to Singapore flight deals. Data was last updated 26 June 2025.

Round-trip from

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Find flight deals from Portsmouth to Singapore

Cheapest flights from Portsmouth to SingaporeExplore 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 26 June 2025.

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 26 June 2025.

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Use the filters below to find and compare flights from Portsmouth to Singapore that are best for you.

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.

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?

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 26 June 2025.

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 26 June 2025.

Reviews of airlines servicing Singapore

Read reviews from past customers who have flown with KLM and Qatar Airways from Portsmouth to Singapore. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

What are the most reliable airlines from Portsmouth to Singapore?

What are the cheapest flights from Portsmouth to Singapore?

Can I find deals for flights from Portsmouth to Singapore that include hotel bookings?

How can I find direct flights from Portsmouth to Singapore?

Can I find deals for business class flights from Portsmouth to Singapore?

What is the cheapest month to book a flight from Portsmouth to Singapore?

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Alternative routes for Portsmouth to Singapore

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Top 10 airlines flying from Portsmouth to Singapore

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How does Cheapflights help users find flights from Portsmouth to Singapore?

Why should you use Cheapflights to find cheap flight tickets from Portsmouth to Singapore?

Can Cheapflights find flights from Portsmouth to Singapore with no change fees?

Can Cheapflights notify me if prices for flights from Portsmouth to Singapore become cheaper?

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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 26 June 2025.