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

Return flights

22 Oct - 12 Nov	SWISS
03 Oct - 24 Oct	SWISS
08 Oct - 22 Oct	SWISS
03 Oct - 17 Oct	SWISS
10 Oct - 24 Oct	SWISS
14 Oct - 28 Oct	SWISS
09 Oct - 20 Oct	SWISS
06 Oct - 16 Oct	SWISS
09 Oct - 24 Oct	SWISS
03 Oct - 15 Oct	SWISS
03 Oct - 14 Oct	SWISS
06 Oct - 07 Nov	SWISS
27 Oct - 06 Nov	SWISS
24 Oct - 07 Nov	SWISS
22 Oct - 20 Nov	SWISS
26 Oct - 08 Nov	easyJet
25 Oct - 07 Nov	SWISS
27 Oct - 22 Nov	SWISS
25 Oct - 05 Nov	SWISS
15 Oct - 07 Nov	SWISS

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

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 October from $535

Return flights