Cheapest return flights from London to Helsinki in May from $139

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

Return flights

16 May - 18 May Ryanair direct
16 May - 19 May Ryanair direct
15 May - 18 May Ryanair direct
07 May - 10 May Ryanair direct
15 May - 19 May Ryanair direct
07 May - 18 May Ryanair direct
07 May - 19 May Ryanair direct
16 May - 24 May Ryanair direct
20 May - 24 May Ryanair direct
14 May - 18 May Ryanair direct
16 May - 01 Jun Ryanair direct
20 May - 01 Jun Ryanair direct
15 May - 01 Jun Ryanair direct
14 May - 01 Jun Ryanair direct
20 May - 07 Jun Ryanair direct
20 May - 08 Jun Ryanair direct
23 May - 01 Jun Ryanair direct
23 May - 07 Jun Ryanair direct
23 May - 08 Jun Ryanair direct

Also check the deals for one-way flights from London to Helsinki in May.

Skyscanner

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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