Search London → Helsinki
Compare flights, hotels, cars, and activities for this trip in one place.
Return Flights from London to Helsinki
LHR ⇄ HEL
London to Helsinki return, a route covering 1,847 km each way with a typical flight time of 2h 40m. Helsinki is located in Finland, in Europe. Fares and availability change constantly; the figures below reflect what's actually on file for this route today, not an estimate.
Return vs. two one-way tickets
Based on real fares on file: a return ticket is €205, versus €196 for two separate one-way tickets at €98 each. Two one-ways currently work out cheaper — worth comparing both before booking, especially if your dates are flexible or you might fly back from a different city.
Real fares right now
Real one-way fares on file for the outbound leg — useful for picking the cheapest day to fly, even when booking return. The lowest fare on file is €108 on Wed Aug 12.
Cheapest day for the outbound leg
Weather in Helsinki by season
Based on the last 3 years of real historical data.
Nearby airports
- London City Airport (LCY)36 km
- London Gatwick Airport (LGW)41 km
- London Luton Airport (LTN)45 km
Money-saving tips
- Book 4–8 weeks ahead of departure where possible — a general industry pattern, not specific to this route.
- Tuesday and Wednesday departures tend to be cheaper than weekend flights on most routes.
- Morning flights are often less expensive than midday or evening departures.
- Compare nearby departure and arrival airports — see the alternatives above.
- Flexible return dates widen your options considerably versus a fixed round-trip window.
Fare types explained
Most airlines sell several fare tiers on the same flight: Economy (the base fare, often with paid extras like seat selection and baggage), Premium Economy (more legroom, sometimes included baggage), Business (priority boarding, lounge access, flat or angled seating on longer routes), and First Class (offered by a shrinking number of airlines on select long-haul routes). Exact inclusions vary by airline and route — check the fare rules shown at booking.
Continue planning your trip to Helsinki
Same destination, real availability — no need to search again.