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

Return flights

17 Sep - 20 Sep	Pegasus Airlines
30 Sep - 05 Oct	AJet
18 Sep - 25 Sep	Pegasus Airlines
23 Sep - 25 Sep	AJet
22 Sep - 06 Oct	Pegasus Airlines
24 Sep - 01 Oct	AJet
23 Sep - 27 Sep	AJet
19 Sep - 22 Sep	Pegasus Airlines
16 Sep - 23 Sep	Pegasus Airlines
23 Sep - 28 Sep	AJet
24 Sep - 28 Sep	AJet
15 Sep - 22 Sep	Pegasus Airlines
26 Sep - 29 Sep	Pegasus Airlines

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

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

Cheapest return flights from Istanbul to Tallinn in September from 142€

Return flights