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

Return flights

05 May - 18 May	Wizz Air Malta
11 May - 21 May	Animawings
26 May - 10 Jun	TAROM
05 May - 19 May	SWISS
10 May - 19 May	SWISS
10 May - 23 May	Wizz Air Malta
12 May - 19 May	Austrian Airlines
21 May - 01 Jun	SWISS
21 May - 28 May	Austrian Airlines
14 May - 21 May	Austrian Airlines
11 May - 23 May	Pegasus Airlines
14 May - 19 May	Austrian Airlines

Also check the deals for one-way flights from Bucharest 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.

Book a cheap hotel in Bangkok

Cheap car rent in Bangkok

Cheapest return flights from Bucharest to Bangkok in May from $651

Return flights