AirHint found the following cheapest return flights from Istanbul (IST) to Tallinn (TLL) in April 2026 (see full year).

Return flights

15 Apr - 19 Apr	airBaltic
17 Apr - 21 Apr	airBaltic
10 Apr - 14 Apr	LOT
03 Apr - 07 Apr	LOT
20 Apr - 24 Apr	airBaltic
19 Apr - 23 Apr	airBaltic
19 Apr - 23 Apr	Turkish Airlines	direct
20 Apr - 24 Apr	Turkish Airlines	direct
15 Apr - 19 Apr	Turkish Airlines	direct
10 Apr - 14 Apr	Turkish Airlines	direct

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

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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Cheapest return flights from Istanbul to Tallinn in April from $126

Return flights