AirHint found the following cheapest return flights from Vilnius (VNO) to Istanbul (IST) in August 2025 (see full year).

Return flights

28 Aug - 11 Sep	Norwegian Air Sweden AOC
25 Aug - 27 Aug	Ryanair
26 Aug - 27 Aug	Ryanair
30 Aug - 03 Sep	airBaltic
30 Aug - 04 Sep	airBaltic
20 Aug - 31 Aug	Ryanair
25 Aug - 29 Aug	airBaltic
22 Aug - 29 Aug	Ryanair
28 Aug - 11 Sep	Turkish Airlines	direct
22 Aug - 27 Aug	Ryanair
26 Aug - 30 Aug	Ryanair
22 Aug - 31 Aug	Ryanair
21 Aug - 25 Aug	Norwegian
25 Aug - 26 Aug	Ryanair
18 Aug - 14 Sep	Finnair
18 Aug - 14 Sep	Turkish Airlines	direct

Also check the deals for one-way flights from Vilnius to Istanbul in August.

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 Vilnius to Istanbul in August from 202€

Return flights