Cheapest one-way flights from London to Helsinki in May from 46€

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

AirHint found the following cheapest one-way flights from London (LON) to Helsinki (HEL) in May 2025 (see full year).

One-Way flights

01 May Ryanair direct
29 May Ryanair direct
14 May Ryanair direct
21 May Ryanair direct
07 May Norwegian Air Sweden AOC
26 May Ryanair direct
22 May Ryanair direct
31 May Ryanair direct
07 May Ryanair direct
08 May Ryanair direct

Also check the deals for return 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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