Cheap Flights from Bangkok to London — $341

The Bangkok — London route is served by a wide range of airlines: 12 in total, including Thai Airways, British Airways, Eva Air, IndiGo, Gulf Air, Etihad Airways, Turkmenistan Airlines, Kuwait Airways, Hainan Airlines, Oman Air, China Southern Airlines, and Malaysia Airlines. Competition among carriers gives passengers the opportunity to find tickets at attractive fares — with prices starting from $341. Our service helps compare all available offers within seconds and choose the most convenient option. You can filter flights by price, departure time, or baggage rules to make your trip as comfortable as possible. With so many airlines, there’s always a chance to catch special promotions and save.

Bangkok is served primarily by two airports with distinct roles. Suvarnabhumi (BKK) functions as the international hub handling most long-haul and full-service carrier flights, while Don Mueang (DMK) typically serves budget and regional airlines. Suvarnabhumi sits about 25–35 km east of downtown Bangkok; public options include the Airport Rail Link (25–35 minutes to central stations), taxis (30–60 minutes depending on traffic) and airport buses, with fares varying by mode. Don Mueang lies roughly 20–25 km north of the city center and is reachable by shuttle bus, commuter rail and taxis in around 30–50 minutes. Suvarnabhumi can be more comfortable for transfer passengers and offers wider airline choices, but Don Mueang is often perceived as cheaper for low-cost carriers; on the downside, both can experience heavy traffic to the city and variable transfer times depending on time of day.

London is served by several airports that cater to different needs. Heathrow is the main international hub, typically handling long-haul and premium carriers as well as many full-service European airlines; it’s often seen as pricier but offers extensive connections. It lies about 15–20 miles west of central London, reachable by the Heathrow Express in around 15–20 minutes (higher fares), the Elizabeth Line in about 30–40 minutes (moderate fares), or road/taxi in 30–60 minutes depending on traffic. Gatwick to the south is a large international and leisure gateway popular with a mix of low-cost and scheduled carriers; it’s usually cheaper than Heathrow and is roughly 25–30 miles from central London, accessible via the Gatwick Express in 30 minutes, Thameslink trains in 30–45 minutes, or buses and taxis. Stansted and Luton, to the northeast and northwest respectively, are primarily budget and charter-focused airports used by many low-cost airlines; both can be more economical but are farther out (often 30–60 miles travel time varies). Stansted Express trains take about 45–50 minutes, while Luton is served by shuttle buses from the nearby train station taking 15–20 minutes plus a short transfer. City Airport sits close to Canary Wharf and is geared to business travelers and short-haul routes, typically offering fast river, DLR, and Underground connections with about 20–30 minutes into central London. Pros: extensive route choice and transport links; cons: variable fares, longer transfers from outer airports, and peak-time crowding. Overall, airport choice can reflect a trade-off between cost, convenience, and connection options.