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

Return flights

03 Apr - 17 Apr	Thai Lion Air
13 Apr - 19 Apr	Thai Lion Air
04 Apr - 17 Apr	AirAsia
04 Apr - 11 Apr	AirAsia
03 Apr - 16 Apr	Thai Lion Air
21 Apr - 24 Apr	AirAsia
22 Apr - 29 Apr	Thai Lion Air
09 Apr - 21 Apr	AirAsia
07 Apr - 21 Apr	AirAsia
15 Apr - 22 Apr	IndiGo
29 Apr - 04 May	Gulf Air
28 Apr - 04 May	Gulf Air
20 Apr - 01 May	Gulf Air
27 Apr - 08 May	Gulf Air
23 Apr - 01 May	Gulf Air
30 Apr - 04 May	Gulf Air
24 Apr - 03 May	IndiGo
24 Apr - 02 May	IndiGo
23 Apr - 04 May	Air Arabia
04 Apr - 03 May	Air Arabia

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 405€

Return flights