Cheapest return flights from London to Helsinki in May from $213

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

Return flights

08 May - 18 May Scandinavian Airlines
22 May - 28 May Scandinavian Airlines
13 May - 16 May KLM
01 May - 04 May Finnair
05 May - 13 May Scandinavian Airlines
01 May - 04 May Finnair direct
05 May - 13 May Finnair direct
22 May - 30 May Scandinavian Airlines
23 May - 30 May Finnair
29 May - 05 Jun Finnair
15 May - 17 May Finnair direct
31 May - 07 Jun British Airways
29 May - 05 Jun Finnair direct
31 May - 07 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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