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

Return flights

13 May - 18 May	AirAsia X
09 May - 16 May	Gulf Air
16 May - 28 May	Gulf Air
16 May - 29 May	Gulf Air
16 May - 30 May	Gulf Air
22 May - 29 May	Gulf Air
01 May - 14 May	AirAsia X
13 May - 18 May	Singapore Airlines	direct
01 May - 14 May	Turkish Airlines	direct
22 May - 29 May	Singapore Airlines	direct

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

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 May from 449€

Return flights