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

Return flights

15 Oct - 28 Oct	Finnair
21 Oct - 28 Oct	KLM
12 Oct - 27 Oct	KLM
21 Oct - 04 Nov	KLM
11 Oct - 27 Oct	Air France
19 Oct - 27 Oct	Air France
20 Oct - 28 Oct	Air France
16 Oct - 26 Oct	Air France
28 Oct - 04 Nov	Finnair
21 Oct - 29 Oct	Finnair
14 Oct - 22 Oct	Finnair
19 Oct - 26 Oct	Air France
28 Oct - 15 Nov	Finnair
27 Oct - 08 Nov	Finnair
23 Oct - 02 Nov	Finnair
20 Oct - 02 Nov	Finnair
25 Oct - 02 Nov	Finnair
22 Oct - 01 Nov	Air France
19 Oct - 01 Nov	Air France
24 Oct - 02 Nov	Qatar Airways

Also check the deals for one-way flights from Hong Kong to Lisbon 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 Hong Kong to Lisbon in October from $556

Return flights