AirHint found the following cheapest return flights from Belgrade (BEG) to Bangkok (BKK) in May 2026 (see full year).

Return flights

21 May - 31 May	Air Serbia
01 May - 11 May	Air Serbia
12 May - 26 May	Lufthansa
12 May - 24 May	Aegean Airlines
07 May - 21 May	Aegean Airlines
07 May - 28 May	Aegean Airlines
01 May - 08 May	AJet
26 May - 09 Jun	Air Serbia
04 May - 15 May	AJet
04 May - 11 May	AJet
22 May - 07 Jun	Air France

Also check the deals for one-way flights from Belgrade to Bangkok in May.

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 Belgrade to Bangkok in May from $625

Return flights