Cheapest return flights from London to Helsinki in September from 93€

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

Return flights

08 Sep - 23 Sep Ryanair direct
30 Sep - 05 Oct Ryanair direct
09 Sep - 23 Sep Ryanair direct
08 Sep - 16 Sep Ryanair direct
30 Sep - 06 Oct Ryanair direct
16 Sep - 05 Oct Ryanair direct
30 Sep - 17 Oct Ryanair direct
16 Sep - 06 Oct Ryanair direct
09 Sep - 16 Sep Ryanair direct
16 Sep - 21 Sep Ryanair direct
26 Sep - 05 Oct Ryanair direct
27 Sep - 05 Oct Ryanair direct
26 Sep - 06 Oct Ryanair direct
30 Sep - 04 Oct Ryanair direct
27 Sep - 06 Oct Ryanair direct
24 Sep - 28 Sep Ryanair direct
08 Sep - 13 Sep Ryanair direct
08 Sep - 12 Sep Ryanair direct
08 Sep - 21 Sep Ryanair direct
09 Sep - 12 Sep Ryanair direct

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

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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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