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

Return flights

27 May - 07 Jun	SriLankan Airlines
17 May - 24 May	AirAsia
28 May - 10 Jun	Qatar Airways
25 May - 01 Jun	Qatar Airways
08 May - 14 May	Qatar Airways
17 May - 31 May	AirAsia
22 May - 29 May	Qatar Airways
22 May - 31 May	Qatar Airways
03 May - 10 May	Qatar Airways
15 May - 22 May	Qatar Airways
20 May - 24 May	Qatar Airways
12 May - 17 May	Emirates

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

Book a cheap hotel in Istanbul

Cheap car rent in Istanbul

Cheapest return flights from Singapore to Istanbul in May from $592

Return flights