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

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

Return flights

01 May - 03 May KLM
01 May - 04 May KLM
01 May - 07 May KLM
08 May - 10 May KLM
22 May - 25 May KLM
02 May - 04 May KLM
21 May - 25 May KLM
14 May - 19 May KLM
16 May - 18 May KLM
22 May - 24 May KLM
16 May - 01 Jun KLM

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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