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

Return flights

01 Mar - 21 Apr	AJet
01 Mar - 15 Mar	AirAsia X
04 Mar - 05 Mar	AirAsia X
06 Mar - 12 Mar	AirAsia X
23 Mar - 29 Mar	AirAsia X
09 Mar - 17 Mar	AirAsia X
04 Mar - 13 Mar	Pegasus Airlines
22 Mar - 04 Apr	Oman Air
01 Mar - 13 Mar	Pegasus Airlines
04 Mar - 15 Mar	Pegasus Airlines
07 Mar - 20 Mar	Pegasus Airlines
27 Mar - 03 Apr	AirAsia X
03 Mar - 15 Mar	Pegasus Airlines
31 Mar - 07 Apr	Gulf Air
16 Mar - 04 Apr	AZAL
23 Mar - 05 Apr	AirAsia X
29 Mar - 10 Apr	AirAsia X
23 Mar - 04 Apr	AirAsia X
19 Mar - 01 Apr	Gulf Air
31 Mar - 07 Apr	Turkish Airlines	direct

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

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 March from $504

Return flights