Cheapest return flights from Lisbon to Bangkok in September from $695

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

Return flights

02 Sep - 15 Sep SWISS
15 Sep - 29 Sep SWISS
09 Sep - 23 Sep SWISS
17 Sep - 15 Oct SWISS
01 Sep - 15 Sep SWISS
06 Sep - 20 Sep SWISS
21 Sep - 01 Oct SWISS
01 Sep - 12 Sep SWISS
01 Sep - 10 Sep Lufthansa
28 Sep - 12 Oct SWISS
26 Sep - 10 Oct Ryanair
27 Sep - 03 Oct Air France

Also check the deals for one-way flights from Lisbon to Bangkok in September.

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