--- title: "£422 Cheap Singapore Airlines flights from London to Singapore (LHR→SIN) - Expedia.co.uk" description: "Book Singapore Airlines flights from London (LHR) to Singapore (SIN) from £422 for one-way flights and £630 for round trip with Singapore Airlines & save!" canonical: "https://www.expedia.co.uk/lp/flight-routes/singapore-airlines-from-heathrow-to-changi/sq/lhr/sin" language: en-GB market: GB currency: GBP prices_as_of: 2026-11-14T02:08:44Z --- # £422 Cheap Singapore Airlines flights from London to Singapore (LHR→SIN) ![A large indoor waterfall, a glass ceiling, and lush greenery.](https://images.trvl-media.com/place/5130579/677246a3-6b6f-46ec-ae22-95abdeaf1f2e.jpg?impolicy=fcrop&w=1200&h=500&q=medium) [View £422 flight on Tue, 24 Nov 2026](https://www.expedia.co.uk/Flights-Search?leg1=from:LHR,to:SIN,departure:24/11/2026TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:421.79&airProductToken=AQozCjEI06IBEgMzMTcY64kBIJJqKMCAngMw1oaeAzhLQABYAWoFRkY1MUxyCEs5NUdCT0QxEgoIARABGAEqAlNRGAEiBAgBEAEoAigDKAQwDw) Photo by Changi Airport Group ### Be in the know Get alerts if flight prices drop or rise\* ### Book smarter Save up to 25% on select hotels after you book a flight\* ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## £422 Cheap Singapore Airlines flights London (LHR) to Singapore (SIN) Prices were available within the past 7 days and start at £422 for one-way flights and £630 for return, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return [Select Singapore Airlines flight, departing Wed, 25 Nov from London to Singapore, returning Fri, 25 Dec, priced at £630 Found 1 day ago](https://www.expedia.co.uk/Flights-Search?leg1=from:LHR,to:SIN,departure:25/11/2026TANYT&leg2=from:SIN,to:LHR,departure:25/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:629.89&airProductToken=AQozCjEI06IBEgMzMDUY64kBIJJqKIaLngMwl5GeAzhLQABYAWoFRkY1MUxyCEs5NUdCUkQxCjMKMQjTogESAzMyMhiSaiDriQEovd-gAzCj5qADOEtAAFgBagVGRjUxTHIISzk1R0JSRDESCggBEAEYASoCU1EYASIECAEQASgCKAMoBDAP) Wed, 25 Nov - Fri, 25 Dec · LHR · SIN · From £630 · Return ## Alternative airports near Singapore Prices were available within the past 7 days. Prices and availability are subject to change. [Select flight to Senai Intl. JHB. Average driving time to city centre is 48 minutes. Flights from £841](https://www.expedia.co.uk/Flights-Search?leg1=from:LHR,to:JHB,departure:28/11/2026TANYT&leg2=from:JHB,to:LHR,departure:02/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) 48 min ## Find the cheapest month to fly from London (LHR) to Singapore (SIN) ### November is typically the cheapest month to fly From £422 - £627 per traveller. View flights in November Insights are based on prices from searches for economy trips of 10 days or less on our sites in the last 12 months. Insights are informative only and current prices may differ. ## Travel information | Origin airport | Heathrow Airport | | ------------------- | ------------------ | | Destination airport | Changi Airport | | Distance | 6,761 miles away | | Airline name | Singapore Airlines | | Airline code | SQ | | Return price | £630 | | Average flight time | 13 hours 16 mins | ## Explore a world of travel with Expedia - [Lodging](?equalTargetTab=tab-0) - [Flights](?equalTargetTab=tab-1) - [Cars](?equalTargetTab=tab-2) - [Hotels near Changi](https://www.expedia.co.uk/Changi-Airport-Hotels.0-aSIN-0.Travel-Guide-Filter-Hotels) - [Flights from Changi](https://www.expedia.co.uk/lp/airports/sin/flights-from-changi-airport) - [British Airways London (LHR) to Singapore (SIN) flights](https://www.expedia.co.uk/lp/flight-routes/british-airways-from-heathrow-to-changi/ba/lhr/sin) - [British Airways Manchester (MAN) to Singapore (SIN) flights](https://www.expedia.co.uk/lp/flight-routes/british-airways-from-manchester-to-changi/ba/man/sin) - 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Airport (USM) to Singapore (SIN)](https://www.expedia.co.uk/lp/flights/usm/sin/samui-intl-airport-to-singapore) - [Flights from Sylhet (ZYL) to Singapore (SIN)](https://www.expedia.co.uk/lp/flights/zyl/sin/sylhet-to-singapore) - [Rental cars Changi airport](https://www.expedia.co.uk/Compare-Cheap-Car-Hire-In-Changi.d5130579.Car-Hire-Guide) \*Available to Expedia members. ## Other language versions ```yaml hreflang: x-default: https://www.expedia.com/ es-AR: https://www.expedia.com.ar/lp/flight-routes/singapore-airlines-from-heathrow-to-changi/sq/lhr/sin en-GB: https://www.expedia.co.uk/lp/flight-routes/singapore-airlines-from-heathrow-to-changi/sq/lhr/sin ar: https://www.expedia.sa/lp/flight-routes/singapore-airlines-from-heathrow-to-changi/sq/lhr/sin ```