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

Return flights

16 Apr - 30 Apr	Thai AirAsia X
09 Apr - 20 Apr	AirAsia
11 Apr - 15 Apr	AirAsia
11 Apr - 17 Apr	AirAsia
21 Apr - 26 Apr	AirAsia
11 Apr - 19 Apr	AirAsia
21 Apr - 27 Apr	Indonesia AirAsia
16 Apr - 24 Apr	Indonesia AirAsia
09 Apr - 15 Apr	AirAsia
14 Apr - 19 Apr	VietJet Air
20 Apr - 15 May	Gulf Air
24 Apr - 10 May	Air Arabia
24 Apr - 01 May	Air Arabia
21 Apr - 02 May	Air Arabia
28 Apr - 04 May	AirAsia
29 Apr - 05 May	Air Arabia
08 Apr - 04 May	Air Arabia
17 Apr - 12 May	Air Arabia
09 Apr - 05 May	Air Arabia
29 Apr - 05 May	Thai Airways	direct

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 390€

Return flights