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

Return flights

03 Jul - 10 Jul	Turkish Airlines	direct
08 Jul - 17 Jul	Singapore Airlines	direct
06 Jul - 15 Jul	Qatar Airways
13 Jul - 25 Jul	AirAsia X
03 Jul - 05 Jul	Turkish Airlines	direct
06 Jul - 13 Jul	Qatar Airways
07 Jul - 12 Jul	Qatar Airways
03 Jul - 11 Jul	Turkish Airlines	direct
08 Jul - 15 Jul	AirAsia X
15 Jul - 22 Jul	AirAsia X
13 Jul - 07 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 $724

Return flights