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

Return flights

20 Aug - 12 Sep	easyJet
18 Aug - 03 Sep	easyJet
08 Aug - 22 Aug	Iberia
17 Aug - 29 Aug	Air Europa
29 Aug - 31 Aug	Iberia
16 Aug - 29 Aug	Iberia
14 Aug - 30 Aug	Ryanair
07 Aug - 22 Aug	Ryanair
03 Aug - 15 Aug	Vueling Airlines
07 Aug - 21 Aug	Ryanair
13 Aug - 27 Aug	Ryanair
15 Aug - 24 Aug	Eurowings

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

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 August from $843

Return flights