Cheapest return flights from London to Helsinki in March from $178

Best time to book flights for London (LHR) to Helsinki (HEL) flights at AirHint

AirHint found the following cheapest return flights from London (LHR) to Helsinki (HEL) in March 2025 (see full year).

Return flights

28 Mar - 01 Apr Scandinavian Airlines
21 Mar - 28 Mar Scandinavian Airlines
20 Mar - 23 Mar Scandinavian Airlines
28 Mar - 31 Mar Scandinavian Airlines
24 Mar - 05 Apr Scandinavian Airlines
26 Mar - 28 Mar Scandinavian Airlines
25 Mar - 28 Mar Scandinavian Airlines
20 Mar - 24 Mar Scandinavian Airlines
27 Mar - 28 Mar Scandinavian Airlines
24 Mar - 25 Mar Scandinavian Airlines
27 Mar - 31 Mar Scandinavian Airlines
27 Mar - 01 Apr Scandinavian Airlines
20 Mar - 25 Mar Scandinavian Airlines
31 Mar - 05 Apr Scandinavian Airlines
27 Mar - 02 Apr Scandinavian Airlines
24 Mar - 08 Apr Scandinavian Airlines
28 Mar - 02 Apr Scandinavian Airlines
31 Mar - 01 Apr Scandinavian Airlines
31 Mar - 02 Apr Scandinavian Airlines
31 Mar - 07 Apr Scandinavian Airlines

Also check the deals for one-way flights from London to Helsinki in March.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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