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.

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.

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).

What are the cheapest flights from Portsmouth to Singapore?

Looking at all options, your cheapest flight can be booked for £463. While the most popular route (Southampton Eastleigh - Singapore Changi) can be booked for £735 on average, our data indicates £5,040 when flying from Portsmouth to Singapore.

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: Croatia Airlines (100%), Garuda Indonesia (97%), Air Canada (95%).

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.

£481+ Cheap Flights from Portsmouth to Singapore

Cheap flight deals from Portsmouth to Singapore

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 7 September 2026.

Thu 12/1108:40 -

2 stops27h 55m

Tue 17/1101:40 -

1 stop38h 30m

Deal found 5/9£564

Mon 12/1020:00 -

2 stops30h 40m

Mon 19/1021:00 -

2 stops29h 30m

Deal found 2/9£610

Thu 12/1109:20 -

2 stops40h 15m

Wed 18/1119:25 -

2 stops24h 30m

Deal found 5/9£638

Tue 20/1009:15 -

2 stops23h 30m

Mon 26/1003:15 -

2 stops37h 35m

Deal found 5/9£643

Find flight deals from Portsmouth to Singapore

Round-trip from	£564
One-way from	£481
Popular in	July
Cheapest in	November
Average price	£598

KLM
12/11-17/11
3 total stops
66h 25m total
Portsmouth to Singapore

Search Deals

Qatar Airways
3/10-31/12
2 total stops
28h 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).

Search Deals

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

Sat 3/10

09:20-21:15

2 stops28h 55m

Singapore Changi

Wed 31/12

00:00-17:30

Nonstop0h 00m

£481

SouthamptonSingapore

SOU Southampton Eastleigh - SIN Singapore Changi

SOUSIN

Southampton Eastleigh

Mon 12/10

20:00-09:40

2 stops30h 40m

Singapore Changi

Mon 19/10

21:00-19:30

2 stops29h 30m

£610

SouthamptonSingapore

SOU Southampton Eastleigh - SIN Singapore Changi

SOUSIN

Southampton Eastleigh

Mon 28/12

20:00-21:15

2 stops41h 15m

Singapore Changi

Wed 31/12

00:00-17:30

Nonstop0h 00m

£632

SouthamptonSingapore

SOU Southampton Eastleigh - SIN Singapore Changi

SOUSIN

Southampton Eastleigh

Sat 12/9

20:00-15:45

2 stops36h 45m

Singapore Changi

Wed 31/12

00:00-17:30

Nonstop0h 00m

£641

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

£802

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

£803

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

£803

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

£803

SouthamptonSingapore

SOU Southampton Eastleigh - SIN Singapore Changi

SOUSIN

Southampton Eastleigh

Mon 1/2

20:00-08:45

2 stops28h 45m

Singapore Changi

Sat 13/2

20:15-19:30

2 stops31h 15m

£828

SouthamptonSingapore

SOU Southampton Eastleigh - SIN Singapore Changi

SOUSIN

Southampton Eastleigh

Sat 6/2

09:20-14:55

2 stops21h 35m

Singapore Changi

Wed 10/2

03:15-19:30

2 stops24h 15m

£828

Flights are sorted by cheapest return flights first.

Deals found on 2/9

Showing 1-10 of 15 resultsSorted 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.

SOU-SIN

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

P0R-SG0

SOU-SIN

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

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 in the evening.

Weekly flight availability from Portsmouth to Singapore

The most flights from P0R to SG0 are scheduled on a Monday (37 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (36 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

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?
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: Croatia Airlines (100%), Garuda Indonesia (97%), Air Canada (95%).
What are the cheapest flights from Portsmouth to Singapore?
Looking at all options, your cheapest flight can be booked for £463. While the most popular route (Southampton Eastleigh - Singapore Changi) can be booked for £735 on average, our data indicates £5,040 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

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Top 10 airlines flying from Portsmouth to Singapore

Airline	Cheapest	Average	Flexibility	On-time
Air India	Cheapest£300	Average£420	FlexibilityNo cancel fee	On-timeN/A	Search Air India flights
Air China	Cheapest£324	Average£484	FlexibilityNo cancel fee	On-time67%	Search Air China flights
Shenzhen Airlines	Cheapest£342	Average£439	FlexibilityNo cancel fee	On-time63%	Search Shenzhen Airlines flights
Hainan Airlines	Cheapest£360	Average£433	FlexibilityNo cancel fee	On-time61%	Search Hainan Airlines flights
Etihad Airways	Cheapest£369	Average£618	FlexibilityNo cancel fee	On-time75%	Search Etihad Airways flights
China Eastern	Cheapest£423	Average£520	FlexibilityNo cancel fee	On-time62%	Search China Eastern flights
Royal Brunei Airlines	Cheapest£454	Average£562	FlexibilityNo cancel fee	On-time84%	Search Royal Brunei Airlines flights
Malaysia Airlines	Cheapest£460	Average£566	FlexibilityNo cancel fee	On-time67%	Search Malaysia Airlines flights
Finnair	Cheapest£472	Average£669	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
SWISS	Cheapest£473	Average£740	FlexibilityNo cancel fee	On-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?

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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Cheap flights from Portsmouth to Singapore from £481

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Portsmouth to Singapore

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 7 September 2026.

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 7 September 2026.

Best flights from Portsmouth to SingaporeDiscover carefully curated flight deals from Portsmouth to Singapore that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 September 2026.

Discover carefully curated flight deals from Portsmouth to Singapore that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 September 2026.

Last-minute flights from Portsmouth to SingaporeDiscover last-minute flight deals from Portsmouth to Singapore. Data last updated 7 September 2026 and is based on user searches.

Discover last-minute flight deals from Portsmouth to Singapore. Data last updated 7 September 2026 and is based on user searches.

One-way flights from Portsmouth to SingaporeSearch for one-way flight options from Portsmouth to Singapore. Find affordable one-way fares based on user searches. Data last updated 7 September 2026.

Search for one-way flight options from Portsmouth to Singapore. Find affordable one-way fares based on user searches. Data last updated 7 September 2026.

Find flight deals from Portsmouth to Singapore

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

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 7 September 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 in the evening.

Weekly flight availability from Portsmouth to Singapore

The most flights from P0R to SG0 are scheduled on a Monday (37 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (36 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 5 September 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

How long is the flight from Portsmouth to Singapore?

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?

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.

Alternative routes for Portsmouth to Singapore

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Singapore by adding a car hire and/or hotel booking to your travel itinerary.

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Search flights from Portsmouth to Singapore by cabin class

Find flights from Portsmouth to Singapore, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Portsmouth and Singapore flights

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Portsmouth to Singapore flights

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Top 10 airlines flying from Portsmouth to Singapore

Fly with Cheapflights

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 7 September 2026.

Best flights from Portsmouth to Singapore
Discover carefully curated flight deals from Portsmouth to Singapore that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 September 2026.

Last-minute flights from Portsmouth to Singapore
Discover last-minute flight deals from Portsmouth to Singapore. Data last updated 7 September 2026 and is based on user searches.

One-way flights from Portsmouth to Singapore
Search for one-way flight options from Portsmouth to Singapore. Find affordable one-way fares based on user searches. Data last updated 7 September 2026.