AirHint found the following cheapest return flights from Hong Kong (HKG) to Lisbon (LIS) in May 2026 (see full year).

Return flights

11 May - 25 May	Air France
11 May - 18 May	Air France
11 May - 23 May	Air France
11 May - 24 May	Air France
10 May - 25 May	Finnair
06 May - 21 May	Finnair
13 May - 21 May	Finnair
14 May - 21 May	Finnair
14 May - 25 May	Finnair
08 May - 22 May	Air France
31 May - 23 Jun	Finnair
29 May - 09 Jun	Finnair
29 May - 02 Jun	Finnair
30 May - 06 Jun	Finnair
29 May - 06 Jun	Finnair
31 May - 04 Jun	Emirates
21 May - 08 Jun	TAP
31 May - 06 Jun	TAP
01 May - 06 Jun	TAP
19 May - 08 Jun	TAP

Also check the deals for one-way flights from Hong Kong to Lisbon in May.

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 May from $539

Return flights