Cheapest return flights from London to Helsinki in September from 79€

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

Return flights

15 Sep - 23 Sep Ryanair direct
12 Sep - 23 Sep Ryanair direct
22 Sep - 23 Sep Ryanair direct
15 Sep - 28 Sep Ryanair direct
12 Sep - 28 Sep Ryanair direct
22 Sep - 28 Sep Ryanair direct
26 Sep - 28 Sep Ryanair direct
15 Sep - 16 Sep Ryanair direct
12 Sep - 16 Sep Ryanair direct
01 Sep - 16 Sep Ryanair direct
22 Sep - 07 Oct Ryanair direct
26 Sep - 07 Oct Ryanair direct
30 Sep - 07 Oct Ryanair direct
26 Sep - 14 Oct Ryanair direct
20 Sep - 07 Oct Ryanair direct
30 Sep - 14 Oct Ryanair direct
24 Sep - 07 Oct Ryanair direct
22 Sep - 06 Oct Ryanair direct
26 Sep - 06 Oct Ryanair direct
30 Sep - 06 Oct Ryanair direct

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

Powered by

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 Helsinki

Cheap car rent in Helsinki

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