Cheapest return flights from Helsinki to London in September from 51€

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

Return flights

29 Sep - 07 Oct Ryanair direct
24 Sep - 04 Oct Ryanair direct
24 Sep - 01 Oct Ryanair direct
29 Sep - 06 Oct Ryanair direct
29 Sep - 30 Sep Ryanair direct
24 Sep - 30 Sep Ryanair direct
27 Sep - 04 Oct Ryanair direct
29 Sep - 13 Oct Ryanair direct
23 Sep - 25 Sep Ryanair direct
20 Sep - 30 Sep Ryanair direct
20 Sep - 23 Sep Ryanair direct
22 Sep - 25 Sep Ryanair direct
27 Sep - 01 Oct Ryanair direct
20 Sep - 25 Sep Ryanair direct
29 Sep - 05 Oct Ryanair direct
27 Sep - 30 Sep Ryanair direct
20 Sep - 24 Sep Ryanair direct
22 Sep - 24 Sep Ryanair direct
27 Sep - 05 Oct Ryanair direct
29 Sep - 17 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.

Book a cheap hotel in London

Cheap car rent in London

Feel free to contact us with any feedback or request another flight research.