Cheapest return flights from London to Helsinki in May from 121€

Best time to book flights for London (STN) to Helsinki (HEL) flights at AirHint

AirHint found the following cheapest return flights from London (STN) to Helsinki (HEL) in May 2025 (see full year).

Return flights

21 May - 24 May Ryanair direct
15 May - 19 May Ryanair direct
15 May - 21 May Ryanair direct
15 May - 17 May Ryanair direct
21 May - 22 May Ryanair direct
29 May - 18 Jun Ryanair direct
18 May - 21 May Ryanair
18 May - 22 May Ryanair
18 May - 19 May Ryanair
21 May - 23 May Ryanair direct
21 May - 09 Jun Ryanair direct
17 May - 19 May Ryanair
29 May - 09 Jun Ryanair direct
29 May - 04 Jun Ryanair direct
29 May - 16 Jun Ryanair direct
29 May - 07 Jun Ryanair
21 May - 04 Jun Ryanair direct
30 May - 04 Jun Ryanair
29 May - 07 Jun Ryanair direct
31 May - 04 Jun Ryanair

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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