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

Return flights

21 Apr - 27 Apr	Ryanair
08 Apr - 22 Apr	Ryanair
09 Apr - 28 Apr	Ryanair
07 Apr - 14 Apr	Ryanair
08 Apr - 28 Apr	Ryanair
11 Apr - 26 Apr	Ryanair
01 Apr - 12 Apr	Ryanair
11 Apr - 05 May	Ryanair
11 Apr - 27 Apr	Ryanair
15 Apr - 06 May	Air Serbia
07 Apr - 19 Apr	Air Serbia
02 Apr - 16 Apr	Ryanair
24 Apr - 08 May	Air Serbia
24 Apr - 03 May	Ryanair
13 Apr - 04 May	Ryanair
24 Apr - 02 May	Ryanair
22 Apr - 03 May	Ryanair
24 Apr - 01 May	Ryanair
16 Apr - 03 May	Austrian Airlines
27 Apr - 02 May	Ryanair

Also check the deals for one-way flights from Zagreb to Bangkok 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 Zagreb to Bangkok in April from 517€

Return flights