AirHint found the following cheapest return flights from Porto (OPO) to Bangkok (BKK) in June 2026 (see full year).

Return flights

04 Jun - 15 Jun	SWISS
09 Jun - 23 Jun	SWISS
04 Jun - 17 Jun	SWISS
04 Jun - 16 Jun	SWISS
03 Jun - 24 Jun	SWISS
03 Jun - 16 Jun	SWISS
02 Jun - 06 Jul	SWISS
16 Jun - 24 Jun	Ryanair
08 Jun - 22 Jun	Ryanair
20 Jun - 14 Jul	Austrian Airlines
04 Jun - 12 Jun	Ryanair
22 Jun - 29 Jun	Ryanair

Also check the deals for one-way flights from Porto to Bangkok in June.

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 Porto to Bangkok in June from 590€

Return flights