Cheap Flights from London to Sofia Starting at $33

The route London — Sofia is served by many carriers — 10 in total, including Bulgaria Air, British Airways, Wizz Air, Ryanair, EasyJet, Air Malta, Pegasus Airlines, Wizz Air, Air Serbia, and LOT Polish Airlines. This gives passengers wide opportunities: from finding the lowest fare (from $33) 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.

Find great deals from London to Sofia by searching over 700 airlines, 50+ travel agencies, and 5+ top booking systems to uncover the best prices, schedules, and travel conditions. Friendly filters and real-time comparisons make it easy to pick the flight that fits your budget and timetable—book with confidence and save on your trip to Bulgaria's vibrant capital.

London is served by several airports catering to different traveler needs. Heathrow (LHR) is the city’s main international hub, typically hosting long-haul carriers and premium airlines; it’s about 25 km west of central London and reachable by the Heathrow Express (15–20 minutes, higher fares), TfL Rail/Elizabeth Line (25–30 minutes, moderate fares) or road (30–60 minutes depending on traffic). Gatwick (LGW) to the south usually handles a mix of full-service and low-cost carriers, about 45 km from the centre with a 30–35 minute Gatwick Express or 30–60 minute trains at moderate cost. Stansted (STN) and Luton (LTN) are often positioned as budget and charter-focused airports to the northeast and northwest respectively; both can be 35–70 minutes by express or shuttle trains and coach services, typically at lower fares but with longer transfers. London City (LCY) serves business travelers with short-haul and niche routes, located within the city and often reachable by Docklands Light Railway in 20–30 minutes; fares are usually higher given convenience. Pros across the network include broad route choices and frequent connections; cons can include variable transfer times, additional transport costs, and differing levels of terminal comfort depending on the airport.

Sofia Airport (SOF) is Bulgaria’s main international gateway and typically functions as a regional hub, handling a mix of full-service carriers and low-cost airlines. It’s located about 10 km east of the city center, with travel times to downtown usually between 20 and 40 minutes depending on traffic. Public transport includes a metro connection (around 20–25 minutes) and several bus lines, while taxis and ride-hailing can take 20–35 minutes; fares for buses are very low and taxis generally range from budget to moderate. Pros: compact layout and frequent budget options; cons: can be busy during peak season and security/immigration queues can sometimes be slow.

Fly direct from London to Sofia for the quickest, most convenient way to reach Bulgaria’s vibrant capital — less time in transit means more time exploring its historic streets and buzzing cafés. While connecting flights can sometimes cost less, a nonstop trip saves hours and offers a more comfortable, stress-free journey worth the extra spent.

In different months, ticket prices from London to Sofia vary: minimum — $49 (December 2025), maximum — $51 (November 2025). Typically, the flight costs $50–$51.