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

Return flights

07 May - 11 May	AirAsia
10 May - 20 May	AirAsia
24 May - 15 Jun	AirAsia
31 May - 03 Jun	AirAsia
11 May - 18 May	Qatar Airways
07 May - 12 May	Qatar Airways
25 May - 15 Jun	Malaysia Airlines
17 May - 26 May	Qatar Airways
23 May - 28 May	Qatar Airways
23 May - 01 Jun	Qatar Airways
22 May - 03 Jun	Qatar Airways
29 May - 10 Jun	Qatar Airways
27 May - 03 Jun	Qatar Airways
27 May - 04 Jun	Qatar Airways
27 May - 01 Jun	Qatar Airways
23 May - 31 May	Qatar Airways
10 May - 17 May	Qatar Airways
23 May - 07 Jun	Qatar Airways
21 May - 28 May	Qatar Airways
20 May - 24 May	Qatar Airways

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.

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Cheapest return flights from Singapore to Istanbul in May from 385€

Return flights