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

Return flights

06 Mar - 13 Mar	AirAsia X
03 Mar - 08 Mar	IndiGo
13 Mar - 28 Mar	AirAsia X
13 Mar - 31 Mar	AirAsia X
13 Mar - 27 Mar	AirAsia X
10 Mar - 24 Mar	Gulf Air
15 Mar - 28 Mar	AirAsia X
15 Mar - 31 Mar	AirAsia X
13 Mar - 15 Mar	AirAsia X
13 Mar - 26 Mar	AirAsia X
29 Mar - 12 Apr	Gulf Air
27 Mar - 11 Apr	Etihad Airways
28 Mar - 11 Apr	Etihad Airways
13 Mar - 02 Apr	AirAsia X
15 Mar - 02 Apr	AirAsia X
25 Mar - 01 Apr	IndiGo
20 Mar - 02 Apr	AirAsia X
20 Mar - 07 Apr	AirAsia X
20 Mar - 09 Apr	AirAsia X
27 Mar - 11 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 $544

Return flights