Cheapest return flights from Helsinki to London in September from 84€

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

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

Return flights

14 Sep - 24 Sep Ryanair direct
14 Sep - 18 Sep Ryanair direct
14 Sep - 17 Sep Ryanair direct
23 Sep - 24 Sep Ryanair direct
22 Sep - 24 Sep Ryanair direct
23 Sep - 10 Oct Ryanair direct
24 Sep - 10 Oct Ryanair direct
22 Sep - 10 Oct Ryanair direct
07 Sep - 24 Sep Ryanair direct
07 Sep - 09 Sep Ryanair direct
07 Sep - 11 Sep Ryanair direct
07 Sep - 18 Sep Ryanair direct
07 Sep - 17 Sep Ryanair direct
21 Sep - 10 Oct Ryanair direct

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