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

Return flights

08 Jul - 21 Jul	Ryanair
02 Jul - 09 Jul	Ryanair
01 Jul - 07 Jul	Ryanair
01 Jul - 08 Jul	Ryanair
01 Jul - 12 Jul	Ryanair
16 Jul - 04 Aug	Ryanair
23 Jul - 30 Jul	Ryanair
13 Jul - 20 Jul	easyJet
10 Jul - 19 Jul	Ryanair
20 Jul - 07 Aug	Turkish Airlines
13 Jul - 23 Jul	easyJet
22 Jul - 07 Aug	Ryanair
14 Jul - 24 Jul	easyJet
21 Jul - 15 Aug	Wizz Air Malta
25 Jul - 15 Aug	Ryanair
21 Jul - 07 Aug	Wizz Air Malta
21 Jul - 06 Aug	easyJet
20 Jul - 03 Aug	Ryanair
20 Jul - 08 Aug	easyJet
30 Jul - 28 Aug	easyJet

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

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 July from $822

Return flights