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

Return flights

28 Aug - 12 Sep	SWISS
13 Aug - 02 Sep	SWISS
16 Aug - 01 Sep	Finnair
31 Aug - 04 Sep	Finnair
16 Aug - 30 Aug	Finnair
06 Aug - 19 Aug	SWISS
15 Aug - 31 Aug	Finnair
05 Aug - 26 Aug	Aegean Airlines
23 Aug - 29 Aug	SKY express
01 Aug - 11 Aug	Vueling Airlines
01 Aug - 15 Aug	Vueling Airlines
01 Aug - 14 Aug	Vueling Airlines
01 Aug - 22 Aug	Vueling Airlines
01 Aug - 16 Aug	Vueling Airlines

Also check the deals for one-way flights from Lisbon 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 Lisbon to Bangkok in August from $750

Return flights