Cheapest return flights from Oslo to Tallinn in September from $122

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

Return flights

22 Sep - 10 Oct Norwegian Air Sweden AOC direct
22 Sep - 08 Oct Norwegian Air Sweden AOC direct
21 Sep - 10 Oct Norwegian Air Sweden AOC direct
21 Sep - 08 Oct Norwegian Air Sweden AOC direct
22 Sep - 26 Sep Norwegian Air Sweden AOC direct
21 Sep - 26 Sep Norwegian Air Sweden AOC direct
29 Sep - 15 Oct Norwegian Air Sweden AOC direct
29 Sep - 10 Oct Norwegian Air Sweden AOC direct
29 Sep - 08 Oct Norwegian Air Sweden AOC direct
24 Sep - 10 Oct Norwegian Air Sweden AOC direct
24 Sep - 08 Oct Norwegian Air Sweden AOC direct
22 Sep - 01 Oct Norwegian Air Sweden AOC direct
21 Sep - 28 Sep airBaltic
21 Sep - 25 Sep airBaltic direct
24 Sep - 26 Sep Norwegian Air Sweden AOC direct
14 Sep - 19 Sep Norwegian Air Sweden AOC direct
14 Sep - 26 Sep Norwegian Air Sweden AOC direct
14 Sep - 17 Sep Norwegian Air Sweden AOC direct
15 Sep - 19 Sep Norwegian Air Sweden AOC direct
15 Sep - 26 Sep Norwegian Air Sweden AOC direct

Also check the deals for one-way flights from Oslo 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.

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