Cheapest return flights from Lisbon to Bangkok in September from $679

Best time to book flights for Lisbon (LIS) to Bangkok (BKK) flights at AirHint

AirHint found the following cheapest return flights from Lisbon (LIS) to Bangkok (BKK) in September 2025 (see full year).

Return flights

15 Sep - 30 Sep SWISS
02 Sep - 30 Sep SWISS
11 Sep - 23 Sep SWISS
16 Sep - 28 Sep SWISS
16 Sep - 30 Sep SWISS
02 Sep - 18 Sep SWISS
12 Sep - 21 Sep SWISS
15 Sep - 28 Sep SWISS
19 Sep - 30 Sep SWISS
02 Sep - 16 Sep SWISS
27 Sep - 11 Oct SWISS
30 Sep - 09 Oct SWISS
30 Sep - 16 Oct SWISS
21 Sep - 05 Oct SWISS

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

Skyscanner

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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