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

Return flights

12 Apr - 21 Apr	AirAsia X
13 Apr - 19 Apr	AirAsia X
27 Apr - 09 May	AirAsia X
10 Apr - 11 Apr	AirAsia X
08 Apr - 13 Apr	AirAsia X
08 Apr - 11 Apr	AirAsia X
01 Apr - 07 Apr	AirAsia X
03 Apr - 17 Apr	Gulf Air
10 Apr - 03 May	AirAsia X
22 Apr - 09 May	AirAsia X
01 Apr - 11 Apr	AirAsia X
03 Apr - 11 Apr	AirAsia X
01 Apr - 05 Apr	AirAsia X
26 Apr - 09 May	AirAsia X
22 Apr - 06 May	AirAsia X
30 Apr - 03 May	Gulf Air
17 Apr - 01 May	Qatar Airways
17 Apr - 03 May	AirAsia X
29 Apr - 09 May	AirAsia X
15 Apr - 03 May	AirAsia X

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

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 April from 385€

Return flights