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

Return flights

17 Jul - 24 Jul	AirAsia X
01 Jul - 07 Jul	AirAsia X
04 Jul - 09 Jul	IndiGo
01 Jul - 09 Jul	AirAsia X
27 Jul - 04 Aug	AirAsia X
06 Jul - 07 Jul	AirAsia X
06 Jul - 09 Jul	AirAsia X
05 Jul - 07 Jul	AirAsia X
05 Jul - 09 Jul	AirAsia X
05 Jul - 12 Jul	Turkish Airlines	direct
01 Jul - 07 Jul	Turkish Airlines	direct
25 Jul - 04 Aug	Thai Airways
30 Jul - 24 Aug	Thai Airways
25 Jul - 04 Aug	Turkish Airlines	direct
30 Jul - 24 Aug	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 518€

Return flights