Cheapest return flights from Helsinki to Tallinn in September from $178

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

Return flights

25 Sep - 28 Sep Finnair direct
19 Sep - 20 Sep Norwegian Air Sweden AOC
27 Sep - 28 Sep Norwegian Air Sweden AOC
15 Sep - 16 Sep Norwegian Air Sweden AOC
27 Sep - 28 Sep Finnair direct
10 Sep - 13 Sep Norwegian Air Sweden AOC
20 Sep - 21 Sep Norwegian Air Sweden AOC
16 Sep - 20 Sep Norwegian Air Sweden AOC
15 Sep - 16 Sep Finnair direct
19 Sep - 20 Sep Finnair direct

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

Cheap car rent in Tallinn

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