Cheapest return flights from London to Helsinki in May from 170€

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

Return flights

05 May - 08 May Scandinavian Airlines
21 May - 27 May Scandinavian Airlines
14 May - 18 May Scandinavian Airlines
07 May - 09 May Scandinavian Airlines
04 May - 08 May Scandinavian Airlines
06 May - 12 May Scandinavian Airlines
19 May - 27 May Scandinavian Airlines
06 May - 11 May Scandinavian Airlines
05 May - 18 May Scandinavian Airlines
26 May - 27 May Scandinavian Airlines
20 May - 01 Jun Scandinavian Airlines
27 May - 01 Jun Scandinavian Airlines
27 May - 02 Jun Scandinavian Airlines
13 May - 19 Jun Scandinavian Airlines
19 May - 19 Jun Scandinavian Airlines
26 May - 02 Jun Scandinavian Airlines
20 May - 02 Jun Scandinavian Airlines
26 May - 01 Jun Scandinavian Airlines
21 May - 01 Jun Scandinavian Airlines
22 May - 02 Jun Scandinavian Airlines

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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