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

Return flights

21 Jul - 28 Jul	Ryanair
02 Jul - 09 Jul	Ryanair
04 Jul - 28 Jul	easyJet
04 Jul - 20 Jul	easyJet
08 Jul - 21 Jul	Ryanair
04 Jul - 24 Jul	easyJet
22 Jul - 31 Jul	easyJet
04 Jul - 11 Jul	easyJet
06 Jul - 13 Jul	easyJet
11 Jul - 31 Jul	Wizz Air Malta
21 Jul - 06 Aug	easyJet
22 Jul - 07 Aug	easyJet
21 Jul - 07 Aug	easyJet
26 Jul - 17 Aug	TAP
31 Jul - 04 Aug	Transavia France
31 Jul - 09 Aug	Transavia France
18 Jul - 01 Aug	Ryanair
31 Jul - 24 Aug	Transavia France
21 Jul - 15 Aug	easyJet
30 Jul - 28 Aug	Transavia France

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 755€

Return flights