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

Return flights

18 Apr - 24 Apr	AirAsia
18 Apr - 08 May	AirAsia
11 Apr - 24 Apr	AirAsia
14 Apr - 24 Apr	AirAsia
18 Apr - 26 Apr	AirAsia
19 Apr - 24 Apr	AirAsia
19 Apr - 08 May	AirAsia
11 Apr - 26 Apr	AirAsia
18 Apr - 22 Apr	AirAsia
11 Apr - 19 Apr	AirAsia
14 Apr - 26 Apr	AirAsia
14 Apr - 19 Apr	AirAsia
25 Apr - 08 May	AirAsia
25 Apr - 11 May	AirAsia
25 Apr - 13 May	AirAsia
30 Apr - 18 May	AirAsia
23 Apr - 08 May	AirAsia
21 Apr - 08 May	AirAsia
18 Apr - 03 May	AirAsia
30 Apr - 08 May	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 $565

Return flights