Cheapest return flights from London to Helsinki in May from 146€

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 May 2025 (see full year).

Return flights

07 May - 13 May Scandinavian Airlines
07 May - 16 May Scandinavian Airlines
07 May - 17 May Scandinavian Airlines
07 May - 14 May Scandinavian Airlines
07 May - 15 May Scandinavian Airlines
28 May - 03 Jun Scandinavian Airlines
07 May - 12 May Scandinavian Airlines
28 May - 31 May Scandinavian Airlines
16 May - 20 May Scandinavian Airlines
07 May - 10 May Scandinavian Airlines
02 May - 05 May Scandinavian Airlines
30 May - 02 Jun Scandinavian Airlines
30 May - 16 Jun KLM
23 May - 02 Jun Scandinavian Airlines
30 May - 02 Jun Finnair direct
28 May - 03 Jun Finnair direct
30 May - 16 Jun Finnair direct
23 May - 02 Jun Finnair direct
25 May - 05 Jun KLM
25 May - 05 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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