Cheap Flights from London to Helsinki — $41

London is served by a network of airports with different roles and price perceptions. Heathrow (LHR) functions as the city’s main international hub, hosting many full-service carriers and long-haul flights; it’s about 15–25 miles from central London, reachable by the Heathrow Express (15–20 minutes, premium fares), the Piccadilly Line tube (45–60 minutes, lower cost) and taxis (30–60 minutes depending on traffic). Gatwick (LGW) is a large international and leisure gateway popular with low-cost and charter operators as well as some legacy airlines; it lies roughly 25–30 miles south and is linked by Gatwick Express or regular trains (30–45 minutes) and coach services. Stansted (STN) and Luton (LTN) serve many budget carriers and point-to-point European routes, positioned 35–45 miles north/northwest; both offer express trains and coaches into central London (35–60 minutes) and are often perceived as cheaper but can require longer transfers. London City (LCY) is a compact, business-oriented airport very close to Canary Wharf and the financial district (10–15 minutes by DLR), primarily handling business jets and short-haul flights with restricted aircraft types. Overall, trade-offs include Heathrow’s broad connectivity and higher costs versus the budget-friendly fares and longer surface transfers from Stansted, Luton and Gatwick; public transport options are plentiful but journey times and fares vary by airport and time of day.

Helsinki is served primarily by Helsinki Airport (HEL), Finland’s main international gateway and a Nordic transfer hub that handles a mix of full-service carriers and low-cost airlines. Located about 17–20 km north of the city centre, travel times are typically 25–35 minutes by direct train (commuter and airport trains) or 30–45 minutes by taxi, with public-transport fares generally moderate and taxis costing more. Bus services provide slightly cheaper transfers with longer journey times. The airport is modern and well-equipped for connections, which can make it comfortable for international itineraries, while fares to/from Helsinki can vary and may be perceived as mid-range for Northern Europe. Pros: efficient links and good facilities; cons: distance adds a short transfer and taxi costs can be relatively high.

The cost of a one-way flight from London to Helsinki ranges from $42 (November 2026) to $169 (August 2026). On average, the ticket price is about $105–$168.

More than 7 airlines operate flights from London to Helsinki, including Finnair, Ryanair, Norwegian Air International, LC Busre SAC, Wizz Air, Wizz Air, and Scandinavian Airlines. This is a popular route, so passengers can choose tickets based on budget and preferences. Ticket prices start from $41, 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.