Cheap flights from Portsmouth to Singapore

LHR — SIN
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Portsmouth to Singapore

Popular in

December

Cheapest in

May

Average price

£675
Highest demand for flights based on searches. 1% potential increase in price (£6 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Average for round-trip flights in October 2026

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 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 16% on your trip compared to booking a flight in the evening.

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 Monday afternoons when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

  • 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: Air Canada (97%), Qantas Airways (94%), Garuda Indonesia (93%).

  • What are the cheapest flights from Portsmouth to Singapore?

    Looking at all options, your cheapest flight can be booked for £407. While the most popular route (Southampton Eastleigh - Singapore Changi) can be booked for £570 on average, our data indicates £3,388 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.

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Alternative routes for Portsmouth to Singapore

Top 10 airlines flying from Portsmouth to Singapore

AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest£260Average£452FlexibilityNo cancel feeOn-time67%
Search Air China flights
Shenzhen AirlinesCheapest£344Average£444FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
Etihad AirwaysCheapest£374Average£623FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Hainan AirlinesCheapest£388Average£461FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Air IndiaCheapest£407Average£583FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
China EasternCheapest£429Average£526FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
LufthansaCheapest£444Average£621FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Royal Brunei AirlinesCheapest£445Average£569FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
Malaysia AirlinesCheapest£466Average£572FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
China SouthernCheapest£478Average£646FlexibilityNo cancel feeOn-time69%
Search China Southern 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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