Cheapest return flights from Tallinn to Seoul in September from $749

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

Return flights

24 Sep - 14 Oct KLM
02 Sep - 09 Sep Finnair
01 Sep - 15 Sep Finnair
10 Sep - 15 Sep Finnair
13 Sep - 23 Sep Finnair
03 Sep - 08 Sep Finnair
03 Sep - 12 Sep Finnair
03 Sep - 18 Sep Air France
04 Sep - 08 Sep Finnair
10 Sep - 24 Sep Lufthansa
05 Sep - 21 Sep Finnair
12 Sep - 02 Oct airBaltic

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

Cheap car rent in Seoul

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