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

Return flights

01 Apr - 16 Apr	Gulf Air
09 Apr - 14 Apr	Gulf Air
06 Apr - 17 Apr	Gulf Air
18 Apr - 24 Apr	AirAsia
12 Apr - 17 Apr	AirAsia
12 Apr - 24 Apr	AirAsia
14 Apr - 30 Apr	Gulf Air
06 Apr - 19 Apr	Gulf Air
05 Apr - 19 Apr	Gulf Air
07 Apr - 15 Apr	Gulf Air
30 Apr - 09 May	Etihad Airways
29 Apr - 05 May	Gulf Air
30 Apr - 10 May	Etihad Airways
18 Apr - 08 May	AirAsia
29 Apr - 06 May	Gulf Air
26 Apr - 10 May	AirAsia
19 Apr - 10 May	AirAsia
26 Apr - 13 May	AirAsia
26 Apr - 11 May	AirAsia
26 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 417€

Return flights