Cheap Flights from London to Singapore — $426

The route London — Singapore is served by many carriers — 11 in total, including British Airways, Singapore Airlines, Qantas, Wizz Air, Gulf Air, LC Busre SAC, Air China, Skyview Airways Company Limiteddba Skyview, Lufthansa, Ryanair, and Oman Air. This gives passengers wide opportunities: from finding the lowest fare (from $426) to selecting flights by schedule or service class. Our service aggregates data from multiple booking systems so you can compare offers in one place. This saves time and money: no need to check dozens of sites — just pick the right option and book online.

London is served by several distinct airports, each catering to different traveler needs. Heathrow is the city’s main international hub, used heavily by full-service carriers and many long-haul flights; it’s usually perceived as mid-to-high priced for transfers and on-site services. The airport sits about 23 km west of central London and is reachable by the Elizabeth Line or Heathrow Express in roughly 15–30 minutes (fares vary by service), plus numerous tube and bus links. Pros: extensive connectivity and amenities; cons: can be busy and timed transfers may be longer. Gatwick operates as a major secondary international airport with a mix of legacy and low-cost airlines, making it a frequent choice for leisure and some business routes. Located around 45 km south of the city, typical transfers include Gatwick Express or regular trains to Victoria in about 30–40 minutes, and coach services that take longer but can be cheaper. Pros: good balance of routes and facilities; cons: slightly further from central London and may add transit time. Stansted tends to serve low-cost carriers and many European routes, so fares can be relatively budget-friendly for short-haul travel. It lies approximately 65 km northeast of central London; express trains reach Liverpool Street in roughly 45–50 minutes, while coaches connect to Victoria and other terminals in longer times at lower fares. Pros: competitive prices and frequent flights; cons: greater distance and fewer high-end services. Luton is another airport commonly associated with low-cost airlines, typically offering cheaper short-haul options but more basic terminal facilities. Roughly 55 km northwest of the city, typical journeys to central London take about 35–60 minutes by train plus a transfer shuttle or by coach for a direct, often slower, option. Pros: cost-conscious choices and frequent services; cons: limited on-site amenities and added shuttle steps. London City Airport functions as a small, business-oriented airport with a focus on short-haul and some European routes served by business-class and regional carriers; it’s often perceived as convenient but pricier. Located very close to the financial districts (about 11 km east of central London), the DLR and riverboat options take around 20–30 minutes to reach core areas. Pros: quick transfers and compact terminals; cons: shorter runway limits long-haul options and can be costlier per ticket. Southend is a smaller regional airport that can be a budget-friendly alternative for some routes, typically served by a handful of low-cost and regional airlines. Positioned about 65 km east of central London, rail links can take approximately 50–70 minutes to reach central stations, often at modest fares. Pros: less crowded and straightforward layouts; cons: limited route network and longer transit times to central London.

Singapore Changi Airport (SIN) is the city-state’s primary international hub, known for a wide mix of full-service carriers and many regional budget airlines. Located about 20–25 km east of downtown Marina Bay, journeys to the center typically take 20–30 minutes by direct MRT (Mass Rapid Transit) or 20–40 minutes by taxi depending on traffic; MRT fares are generally modest while taxis can be notably more expensive during peak hours. Changi is usually prized for its comfort and amenities—gardens, lounges and efficient transfer facilities—making it convenient for long-haul connections, though its size can add walking time between gates for tight layovers.