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. Both multi-stop and direct flights can be found to your destination and back.

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 £428. While the most popular route (Southampton Eastleigh - Singapore Changi) can be booked for £580 on average, our data indicates £3,965 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.

£580+ 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 14 September 2026.

Tue 27/1017:35 -

1 stop14h 40m

Tue 3/1111:00 -

2 stops29h 10m

Deal found 12/9£580

Mon 26/1020:00 -

2 stops29h 35m

Mon 2/1115:55 -

3 stops35h 35m

Deal found 11/9£628

Wed 28/1008:40 -

1 stop23h 35m

Wed 4/1122:50 -

2 stops26h 15m

Deal found 13/9£653

Sun 25/1009:20 -

2 stops21h 35m

Sun 1/1120:15 -

2 stops23h 40m

Deal found 10/9£693

Tue 27/1020:00 -

2 stops29h 35m

Tue 3/1108:00 -

3 stops32h 10m

Deal found 12/9£750

Mon 26/1017:45 -

2 stops39h 10m

Sun 1/1101:40 -

1 stop23h 25m

Deal found 11/9£755

Find flight deals from Portsmouth to Singapore

Round-trip from	£580
Popular in	July
Cheapest in	November
Average price	£603

KLM
27/10-3/11
3 total stops
43h 50m total
Portsmouth to Singapore

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (£61 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

Mon 26/10

20:00-09:35

2 stops29h 35m

Singapore Changi

Mon 2/11

19:25-19:30

2 stops32h 05m

£639

SouthamptonSingapore

SOU Southampton Eastleigh - SIN Singapore Changi

SOUSIN

Southampton Eastleigh

Mon 26/10

17:45-16:55

2 stops39h 10m

Singapore Changi

Sun 1/11

01:40-17:05

1 stop23h 25m

£755

SouthamptonSingapore

SOU Southampton Eastleigh - SIN Singapore Changi

SOUSIN

Southampton Eastleigh

Wed 24/2

09:20-21:15

2 stops27h 55m

Singapore Changi

Mon 8/3

03:15-19:30

2 stops24h 15m

£784

SouthamptonSingapore

SOU Southampton Eastleigh - SIN Singapore Changi

SOUSIN

Southampton Eastleigh

Thu 4/2

20:00-08:45

2 stops28h 45m

Singapore Changi

Thu 18/2

20:15-19:30

2 stops31h 15m

£791

SouthamptonSingapore

SOU Southampton Eastleigh - SIN Singapore Changi

SOUSIN

Southampton Eastleigh

Sun 1/11

09:20-14:55

2 stops21h 35m

Singapore Changi

Sun 22/11

20:15-11:55

2 stops23h 40m

£801

SouthamptonSingapore

SOU Southampton Eastleigh - SIN Singapore Changi

SOUSIN

Southampton Eastleigh

Fri 6/11

20:00-08:45

2 stops28h 45m

Singapore Changi

Tue 10/11

20:15-19:30

2 stops31h 15m

£803

SouthamptonSingapore

SOU Southampton Eastleigh - SIN Singapore Changi

SOUSIN

Southampton Eastleigh

Sat 24/10

20:00-08:45

2 stops29h 45m

Singapore Changi

Sun 1/11

20:15-19:30

2 stops31h 15m

£815

SouthamptonSingapore

SOU Southampton Eastleigh - SIN Singapore Changi

SOUSIN

Southampton Eastleigh

Sat 6/2

09:20-14:55

2 stops21h 35m

Singapore Changi

Sun 21/2

03:15-19:30

2 stops24h 15m

£817

Fastest return journey

SouthamptonSingapore

SOU Southampton Eastleigh - SIN Singapore Changi

SOUSIN

Southampton Eastleigh

Sun 6/12

09:20-14:55

2 stops21h 35m

Singapore Changi

Wed 31/12

00:00-17:30

Nonstop0h 00m

£3,068

SouthamptonSingapore

SOU Southampton Eastleigh - SIN Singapore Changi

SOUSIN

Southampton Eastleigh

Tue 8/12

20:00-14:55

2 stops34h 55m

Singapore Changi

Wed 31/12

00:00-17:30

Nonstop0h 00m

£3,075

Flights are sorted by cheapest return flights first.

Deals found on 12/9

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 14% 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 Friday (38 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (35 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 28h 45m. Portsmouth and Singapore are separated by a distance of 6803 mi. Both multi-stop and direct flights can be found to your destination and back.
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 £428. While the most popular route (Southampton Eastleigh - Singapore Changi) can be booked for £580 on average, our data indicates £3,965 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£306	Average£459	FlexibilityNo cancel fee	On-timeN/A	Search Air India flights
Shenzhen Airlines	Cheapest£342	Average£438	FlexibilityNo cancel fee	On-time63%	Search Shenzhen Airlines flights
Air China	Cheapest£348	Average£484	FlexibilityNo cancel fee	On-time67%	Search Air China flights
Hainan Airlines	Cheapest£360	Average£437	FlexibilityNo cancel fee	On-time61%	Search Hainan Airlines flights
Etihad Airways	Cheapest£369	Average£620	FlexibilityNo cancel fee	On-time75%	Search Etihad Airways flights
China Eastern	Cheapest£423	Average£519	FlexibilityNo cancel fee	On-time62%	Search China Eastern flights
Royal Brunei Airlines	Cheapest£453	Average£561	FlexibilityNo cancel fee	On-time84%	Search Royal Brunei Airlines flights
Malaysia Airlines	Cheapest£460	Average£565	FlexibilityNo cancel fee	On-time67%	Search Malaysia Airlines flights
SWISS	Cheapest£472	Average£759	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
KLM	Cheapest£477	Average£684	FlexibilityNo cancel fee	On-time75%	Search KLM flights

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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 £580

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/10. 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 14 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 14 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 14 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 14 September 2026.

Last-minute flights from Portsmouth to SingaporeDiscover last-minute flight deals from Portsmouth to Singapore. Data last updated 14 September 2026 and is based on user searches.

Discover last-minute flight deals from Portsmouth to Singapore. Data last updated 14 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 14 September 2026.

Search for one-way flight options from Portsmouth to Singapore. Find affordable one-way fares based on user searches. Data last updated 14 September 2026.

Find flight deals from Portsmouth to Singapore

Round-trip from

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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 14 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 14% 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 Friday (38 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (35 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 12 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

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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

Browse other Portsmouth and Singapore flight options. Last updated on 14 September 2026.

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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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Travel Smart

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 14 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 14 September 2026.

Last-minute flights from Portsmouth to Singapore
Discover last-minute flight deals from Portsmouth to Singapore. Data last updated 14 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 14 September 2026.