AirHint found the following cheapest return flights from Istanbul (IST) to Singapore (SIN) in July 2025 (see full year).

Return flights

12 Jul - 15 Jul	Pegasus Airlines
15 Jul - 20 Jul	AZAL
15 Jul - 30 Jul	AZAL
15 Jul - 24 Jul	AZAL
13 Jul - 22 Jul	Pegasus Airlines
16 Jul - 30 Jul	SalamAir
13 Jul - 30 Jul	SalamAir
04 Jul - 10 Jul	SalamAir
04 Jul - 07 Jul	SalamAir
01 Jul - 10 Jul	Pegasus Airlines
19 Jul - 19 Aug	Pegasus Airlines
21 Jul - 01 Aug	Pegasus Airlines
01 Jul - 07 Aug	Pegasus Airlines
01 Jul - 01 Aug	Pegasus Airlines
30 Jul - 14 Aug	SalamAir
07 Jul - 30 Aug	AJet
28 Jul - 04 Aug	IndiGo
10 Jul - 10 Aug	IndiGo
26 Jul - 03 Aug	Pegasus Airlines
19 Jul - 03 Aug	IndiGo

Also check the deals for one-way flights from Istanbul to Singapore in July.

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 Singapore in July from $490

Return flights