Cheapest return flights from Tallinn to Keflavik in September from $198

Best time to book flights for Tallinn (TLL) to Keflavik (KEF) flights at AirHint

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

Return flights

01 Sep - 11 Sep Scandinavian Airlines
03 Sep - 14 Sep Scandinavian Airlines
03 Sep - 11 Sep Scandinavian Airlines
03 Sep - 13 Sep Scandinavian Airlines
15 Sep - 23 Sep Scandinavian Airlines
13 Sep - 28 Sep airBaltic direct
17 Sep - 25 Sep airBaltic direct
03 Sep - 14 Sep airBaltic direct
03 Sep - 11 Sep airBaltic direct
03 Sep - 23 Sep airBaltic

Also check the deals for one-way flights from Tallinn to Keflavik in September.

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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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