Cheapest return flights from London to Helsinki in September from 60€

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

Return flights

01 Sep - 08 Sep Ryanair direct
01 Sep - 09 Sep Ryanair direct
06 Sep - 08 Sep Ryanair direct
06 Sep - 09 Sep Ryanair direct
06 Sep - 22 Sep Ryanair direct
02 Sep - 08 Sep Ryanair direct
02 Sep - 09 Sep Ryanair direct
02 Sep - 22 Sep Ryanair direct
03 Sep - 08 Sep Ryanair direct
03 Sep - 09 Sep Ryanair direct
30 Sep - 20 Oct Ryanair direct
30 Sep - 15 Oct Ryanair direct
30 Sep - 18 Oct Ryanair direct
30 Sep - 01 Oct Ryanair direct
13 Sep - 01 Oct Ryanair direct
16 Sep - 01 Oct Ryanair direct
30 Sep - 04 Oct Ryanair direct
27 Sep - 15 Oct Ryanair direct
27 Sep - 01 Oct Ryanair direct
20 Sep - 01 Oct Ryanair direct

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

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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