Cheapest return flights from London to Helsinki in May from 158€

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

Return flights

07 May - 11 May Scandinavian Airlines
06 May - 10 May Lufthansa
08 May - 10 May Lufthansa
07 May - 10 May Lufthansa
26 May - 30 May Scandinavian Airlines
06 May - 15 May Lufthansa
06 May - 20 May Scandinavian Airlines
08 May - 11 May Lufthansa
13 May - 23 May Scandinavian Airlines
12 May - 16 May Scandinavian Airlines
25 May - 01 Jun Scandinavian Airlines
13 May - 15 Jun Scandinavian Airlines
16 May - 01 Jun Finnair
16 May - 01 Jun Finnair direct
25 May - 01 Jun Finnair direct

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

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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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