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

Return flights

12 Apr - 18 Apr	Thai AirAsia X
30 Apr - 06 May	Thai AirAsia X
04 Apr - 19 Apr	AirAsia
12 Apr - 19 Apr	AirAsia
12 Apr - 17 Apr	Thai AirAsia X
11 Apr - 17 Apr	Batik Air Malaysia
21 Apr - 26 Apr	AirAsia
09 Apr - 14 Apr	Thai AirAsia
09 Apr - 20 Apr	AirAsia
09 Apr - 15 Apr	AirAsia
05 Apr - 15 Apr	AirAsia
04 Apr - 02 May	Thai Lion Air
25 Apr - 03 May	AirAsia
24 Apr - 05 May	Thai Lion Air
17 Apr - 03 May	Thai Lion Air
01 Apr - 01 May	Thai Lion Air
30 Apr - 03 May	Thai AirAsia

Also check the deals for one-way flights from Bangkok to Istanbul 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 Bangkok to Istanbul in April from $448

Return flights