Cheap Flights from Singapore to London — $303

More than 11 airlines operate flights from Singapore to London, including Singapore Airlines, Qantas, British Airways, AirAsia, VietjetAir, Gulf Air, Scoot, Qatar Airways, China Eastern Airlines, Shanghai Airlines, and Hainan Airlines. This is a popular route, so passengers can choose tickets based on budget and preferences. Ticket prices start from $303, and our service lets you instantly compare all options. The variety of offers simplifies planning: you can choose budget fares or more comfortable options with baggage included or extra services. We help you find the best deals so your trip is cost-efficient.

Singapore Changi Airport (SIN) is a major international hub known for extensive long-haul connectivity and premium services, while Seletar Airport (XSP) typically handles smaller regional and general aviation traffic. Changi is served by full-service carriers and many global airlines, so fares can range from budget-competitive to premium depending on carrier and timing; it lies about 20–25 km east of the central business district, with MRT plus transfer or taxi taking roughly 25–35 minutes (MRT fares typically low single-digit SGD; taxis commonly 20–40 SGD depending on traffic). Seletar is around 16–20 km north of downtown and is mainly used by charter and regional operators, reachable by taxi in about 25–40 minutes. Changi’s strengths include transit convenience, lounges, and plentiful shopping, while Seletar can be quieter and quicker for light aircraft but has far fewer scheduled services and ground transport choices.

Heathrow (LHR) is London’s principal international hub, typically serving major global carriers and full-service airlines; it can be pricier on average than the city’s budget airports. Located about 24 km west of central London, travel options include the Heathrow Express (15–20 minutes to Paddington), the Elizabeth Line (25–35 minutes), National Rail/Underground connections and frequent airport buses; fares vary by service and booking class. Pros: extensive long-haul connectivity, comprehensive passenger facilities. Cons: larger crowds and longer walking/transit times between terminals, plus potential for higher transfer costs and delays during peak periods. Gatwick (LGW) functions as a major secondary international airport, often used by a mix of leisure carriers and some full-service airlines; fares can be competitive for European and holiday routes. It lies about 45 km south of central London and is linked by Gatwick Express (30 minutes to Victoria), Thameslink and Southern trains (35–45 minutes), plus coach services; fares depend on operator and advance purchase. Pros: straightforward layout with two terminals and good low-cost carrier presence. Cons: longer rail journey than Heathrow for some central destinations and variable transfer times during busy periods. Stansted (STN) typically operates as a low-cost and short-haul gateway, favored by budget airlines serving Europe and beyond; it can be among the more affordable options for leisure travelers. The airport sits roughly 64 km northeast of central London and is served by Stansted Express trains (45–50 minutes to Liverpool Street), coaches to Victoria and other hubs (60–90 minutes), and taxis; fares vary by operator and time of day. Pros: strong low-cost carrier connectivity and compact terminal. Cons: longer onward travel to central London and fewer long-haul services. Luton (LTN) is generally a budget-oriented airport handling many low-cost carriers and charter flights, often attracting price-conscious travelers. Located about 55 km northwest of central London, it is connected by shuttle buses to Luton Airport Parkway station and regular trains (25–45 minutes from Parkway to central stations), plus direct coaches to central London (approximately 60–90 minutes); fares differ by provider and booking time. Pros: cost-effective routes and simple terminal. Cons: limited amenities compared with larger hubs and additional shuttle transfer between station and terminal. London City (LCY) serves primarily business and regional traffic and can be positioned as a convenient, premium city airport for short-haul and corporate routes. It sits within the Docklands, roughly 11 km east of central London, and is readily accessible by Docklands Light Railway (DLR) with typical journeys taking 20–30 minutes to central areas; river buses and taxis are also options. Pros: closest airport to central London with quick transfers and compact layout. Cons: fewer long-haul services, stricter aircraft size restrictions, and potentially higher fares for convenience.

The cost of a one-way flight from Singapore to London ranges from $298 (July 2026) to $401 (December 2026). On average, the ticket price is about $358–$730.