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

Return flights

28 Oct - 05 Nov	Finnair
27 Oct - 06 Nov	Finnair
27 Oct - 03 Nov	Finnair
29 Oct - 05 Nov	Air China
31 Oct - 15 Nov	HK Express
28 Oct - 04 Nov	Finnair
31 Oct - 12 Nov	HK Express
31 Oct - 10 Nov	HK Express
30 Oct - 06 Nov	Finnair
26 Oct - 07 Nov	Hainan Airlines
24 Oct - 30 Oct	Air China
24 Oct - 31 Oct	Air China
24 Oct - 26 Oct	SWISS
26 Oct - 28 Oct	SWISS
24 Oct - 29 Oct	China Eastern
25 Oct - 28 Oct	China Eastern
25 Oct - 27 Oct	VietJet Air

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.

Book a cheap hotel in Lisbon

Cheap car rent in Lisbon

Cheapest return flights from Hong Kong to Lisbon in October from $695

Return flights