Cheapest return flights from London to Helsinki in March from $257

AirHint found the following cheapest return flights from London (LCY) to Helsinki (HEL) in March 2026 (see full year).

Return flights

05 Mar - 09 Mar KLM
10 Mar - 24 Mar Lufthansa
13 Mar - 23 Mar Lufthansa
04 Mar - 08 Mar KLM
05 Mar - 08 Mar KLM
27 Mar - 13 Apr KLM
10 Mar - 15 Mar KLM
01 Mar - 11 Mar Lufthansa
25 Mar - 16 Apr Lufthansa
14 Mar - 20 Mar KLM
26 Mar - 16 Apr Lufthansa
27 Mar - 29 Mar KLM
04 Mar - 11 Mar SWISS

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

Skyscanner

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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