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

Return flights

18 Aug - 08 Sep	Qatar Airways
10 Aug - 24 Aug	Etihad Airways
23 Aug - 06 Sep	TAP
11 Aug - 21 Aug	Etihad Airways
23 Aug - 28 Aug	TAP
11 Aug - 25 Aug	Etihad Airways
18 Aug - 28 Aug	Qatar Airways
07 Aug - 23 Aug	Ryanair
07 Aug - 13 Aug	Ryanair
07 Aug - 14 Aug	Ryanair
06 Aug - 26 Aug	Wizz Air
12 Aug - 27 Aug	Etihad Airways
18 Aug - 05 Sep	TAP
17 Aug - 01 Sep	Qatar Airways
18 Aug - 01 Sep	TAP
19 Aug - 01 Sep	TAP
14 Aug - 01 Sep	Ryanair
20 Aug - 01 Sep	TAP
16 Aug - 05 Sep	Lufthansa
20 Aug - 02 Sep	Etihad Airways

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 $898

Return flights