Cheapest return flights from London to Helsinki in August from $87

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

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

Return flights

28 Aug - 13 Sep Ryanair direct
28 Aug - 11 Sep Ryanair direct
31 Aug - 20 Sep Ryanair direct
26 Aug - 13 Sep Ryanair direct
28 Aug - 10 Sep Ryanair direct
26 Aug - 11 Sep Ryanair direct
26 Aug - 10 Sep Ryanair direct
31 Aug - 13 Sep Ryanair direct
27 Aug - 13 Sep Ryanair direct
31 Aug - 11 Sep Ryanair direct
18 Aug - 20 Aug Ryanair direct
15 Aug - 20 Aug Ryanair direct
14 Aug - 20 Aug Ryanair direct
16 Aug - 20 Aug Ryanair direct
26 Aug - 28 Aug Ryanair direct
18 Aug - 22 Aug Ryanair direct
28 Aug - 31 Aug Ryanair direct
28 Aug - 29 Aug Ryanair direct
27 Aug - 28 Aug Ryanair direct
20 Aug - 20 Aug Norwegian Air Sweden AOC direct

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

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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