AirHint found the following cheapest return flights from Istanbul (IST) to Singapore (SIN) in July 2026 (see full year).

Return flights

11 Jul - 24 Jul	Oman Air
15 Jul - 25 Jul	Etihad Airways
13 Jul - 27 Jul	Etihad Airways
04 Jul - 11 Jul	IndiGo
20 Jul - 25 Jul	Etihad Airways
17 Jul - 31 Jul	IndiGo
17 Jul - 31 Jul	Turkish Airlines	direct
13 Jul - 27 Jul	Singapore Airlines	direct
04 Jul - 11 Jul	Turkish Airlines	direct
15 Jul - 25 Jul	Turkish Airlines	direct

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 525€

Return flights