Cheapest return flights from London to Helsinki in September from 82€

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

Return flights

30 Sep - 19 Oct Ryanair direct
30 Sep - 14 Oct Ryanair direct
16 Sep - 04 Oct Ryanair direct
30 Sep - 04 Oct Ryanair direct
01 Sep - 16 Sep Ryanair direct
05 Sep - 16 Sep Ryanair direct
28 Sep - 04 Oct Norwegian Air Sweden AOC direct
28 Sep - 19 Oct Norwegian Air Sweden AOC direct
29 Sep - 19 Oct Ryanair direct
03 Sep - 16 Sep Ryanair direct
30 Sep - 15 Oct Ryanair direct
30 Sep - 18 Oct Ryanair direct
30 Sep - 08 Oct Ryanair direct
10 Sep - 16 Sep Norwegian Air Sweden AOC direct
05 Sep - 06 Sep Ryanair direct
03 Sep - 06 Sep Ryanair direct
01 Sep - 14 Sep Ryanair direct
05 Sep - 14 Sep Ryanair direct
16 Sep - 25 Sep Ryanair direct
03 Sep - 14 Sep 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.