AirHint found the following cheapest return flights from Porto (OPO) to Bangkok (BKK) in June 2025 (see full year).

Return flights

23 Jun - 30 Jun	Etihad Airways
11 Jun - 18 Jun	Etihad Airways
20 Jun - 03 Jul	Ryanair
23 Jun - 07 Jul	Etihad Airways
10 Jun - 24 Jun	Ryanair
20 Jun - 27 Jun	Ryanair
25 Jun - 29 Jun	Ryanair
16 Jun - 28 Jun	easyJet
17 Jun - 28 Jun	Ryanair
16 Jun - 27 Jun	easyJet
19 Jun - 02 Jul	easyJet
19 Jun - 22 Jun	easyJet
14 Jun - 27 Jun	Ryanair
23 Jun - 03 Jul	Etihad Airways
29 Jun - 07 Jul	Ryanair
29 Jun - 12 Jul	easyJet
19 Jun - 01 Jul	SWISS
21 Jun - 05 Jul	SWISS
29 Jun - 11 Jul	SWISS

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 610€

Return flights