Cheapest return flights from London to Helsinki in August from $100

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

Return flights

31 Aug - 09 Sep Ryanair direct
25 Aug - 09 Sep Ryanair direct
30 Aug - 09 Sep Ryanair direct
31 Aug - 20 Sep Ryanair direct
31 Aug - 06 Sep Ryanair direct
25 Aug - 06 Sep Ryanair direct
22 Aug - 09 Sep Ryanair direct
31 Aug - 08 Sep Ryanair direct
25 Aug - 08 Sep Ryanair direct
17 Aug - 06 Sep Ryanair direct
25 Aug - 30 Aug Ryanair direct
25 Aug - 26 Aug Ryanair direct
25 Aug - 27 Aug Ryanair direct
17 Aug - 19 Aug Ryanair direct
18 Aug - 19 Aug Ryanair direct
17 Aug - 26 Aug Ryanair direct
18 Aug - 26 Aug Ryanair direct
17 Aug - 30 Aug Ryanair direct
18 Aug - 30 Aug Ryanair direct
22 Aug - 26 Aug Ryanair direct

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

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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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