AirHint found the following cheapest return flights from Sivas (VAS) to Istanbul (SAW) in August 2025 (see full year).

Return flights

21 Aug - 25 Aug	AJet	direct
21 Aug - 24 Aug	AJet	direct
18 Aug - 25 Aug	AJet	direct
01 Aug - 30 Aug	AJet	direct
07 Aug - 10 Sep	AJet	direct
08 Aug - 11 Sep	AJet	direct
09 Aug - 11 Sep	AJet	direct
18 Aug - 21 Aug	AJet	direct
06 Aug - 12 Aug	AJet	direct
07 Aug - 14 Aug	AJet	direct
06 Aug - 10 Aug	AJet	direct
08 Aug - 10 Aug	AJet	direct
06 Aug - 11 Aug	AJet	direct

Also check the deals for one-way flights from Sivas 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 Sivas to Istanbul in August from 70€

Return flights