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Cheap flights from Portsmouth to Singapore from £673

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 29/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SIN
13 7월 — 20 7월1
1 adult

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 8 7월 2025.

Round-trip from

£775

One-way from

£673

Popular in

December

Cheapest in

May

Average price

£785
Qatar Airways
  • Qatar Airways
  • 17/9-9/10
  • 4 total stops
  • 55h 20m total
  • Portsmouth to Singapore
Search Deals
Qatar Airways
  • Qatar Airways
  • 29/10
  • 2 total stops
  • 21h 25m total
  • Portsmouth to Singapore
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£26 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Portsmouth to Singapore

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 8 7월 2025.

수 17/909:10SOU - SIN
2 stops23h 35mMultiple Airlines
목 9/1018:45SIN - SOU
2 stops31h 45mMultiple Airlines
Deal found 8/7£775
수 20/809:10SOU - SIN
2 stops47h 35mQatar Airways
수 27/810:30SIN - SOU
2 stops40h 00mQatar Airways
Deal found 7/7£780
화 19/809:20SOU - SIN
1 stop23h 10mKLM
월 25/800:40SIN - SOU
1 stop23h 20mKLM
Deal found 6/7£1,102

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 8 7월 2025.
Use the filters below to find and compare flights from Portsmouth to Singapore that are best for you.

Fly from

Portsmouth

Fly to

Singapore

Route

Depart

Return

Price

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

수 17/9

09:10-15:45

2 stops23h 35m

Singapore Changi

목 9/10

18:45-19:30

2 stops31h 45m

£775

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

수 20/8

09:10-15:45

2 stops47h 35m

Singapore Changi

수 27/8

10:30-19:30

2 stops40h 00m

£780

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

화 19/8

09:20-15:30

1 stop23h 10m

Singapore Changi

월 25/8

00:40-17:00

1 stop23h 20m

£1,102

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

수 29/10

09:30-14:55

2 stops21h 25m

£673

SouthamptonSingapore

SOU - SIN

SOUSIN

Southampton Eastleigh

월 27/10

09:30-14:55

2 stops21h 25m

£685

Flights are sorted by cheapest return flights first.

Deals found on 7/7

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 month to book a flight from Portsmouth to Singapore?

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.

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 8 7월 2025.

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.

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 8 7월 2025.

The most flights from P0R to SG0 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).

Reviews of airlines servicing Singapore

Get insights into the airlines that provide service to Singapore. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Singapore. Reviews last updated 8 7월 2025.
Check out reviews from past customers who have flown with KLM and Qatar Airways from Portsmouth to Singapore to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,368 reviews
Check prices

Crew

8.4

Comfort

7.7

Food

7.3

Boarding

7.8

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,368 reviews
KLM
7.8
Good
1,368 reviews
Check prices

Crew

8.4

Comfort

7.7

Food

7.3

Boarding

7.8

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Qatar Airways
7.4
Good
3,590 reviews
KLM
7.8
Good
1,368 reviews
Check prices

Crew

8.4

Comfort

7.7

Food

7.3

Boarding

7.8

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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 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: Qantas Airways (71%), American Airlines (70%), Iberia (70%).

  • What are the cheapest flights from Portsmouth to Singapore?

    Looking at all options, your cheapest flight can be booked for £385. While the most popular route (Southampton Eastleigh - Singapore Changi) can be booked for £780 on average our data indicates £3,629 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.

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

    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.

See more FAQs

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Alternative routes for Portsmouth to Singapore

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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 8 7월 2025.
AirlineCheapestAverageFlexibilityOn-time
Shenzhen AirlinesCheapest£352Average£406FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
Air ChinaCheapest£366Average£444FlexibilityNo cancel feeOn-time67%
Search Air China flights
Hainan AirlinesCheapest£372Average£436FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Air IndiaCheapest£377Average£589FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
China EasternCheapest£381Average£478FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest£393Average£436FlexibilityNo cancel feeOn-time69%
Search China Southern flights
KLMCheapest£411Average£848FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£411Average£545FlexibilityNo cancel feeOn-time77%
Search Air France flights
Royal Brunei AirlinesCheapest£421Average£492FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
FinnairCheapest£453Average£687FlexibilityNo cancel feeOn-time76%
Search Finnair flights

Fly with Cheapflights

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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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