AirHint found the following cheapest return flights from Hong Kong (HKG) to Porto (OPO) in July 2025 (see full year).

Return flights

28 Jul - 21 Aug	Lufthansa
28 Jul - 26 Aug	Lufthansa
27 Jul - 21 Aug	SWISS
30 Jul - 27 Aug	SWISS
30 Jul - 30 Aug	SWISS
15 Jul - 22 Jul	Turkish Airlines
26 Jul - 19 Aug	Turkish Airlines
27 Jul - 20 Aug	SWISS
16 Jul - 12 Aug	Air France
16 Jul - 23 Jul	Turkish Airlines
01 Jul - 11 Jul	SWISS
17 Jul - 13 Aug	Air France
29 Jul - 29 Aug	Lufthansa
05 Jul - 25 Jul	T'way Air
03 Jul - 25 Jul	SWISS
04 Jul - 26 Jul	SWISS
11 Jul - 19 Jul	SWISS
11 Jul - 23 Jul	SWISS
11 Jul - 21 Jul	SWISS
04 Jul - 25 Jul	SWISS

Also check the deals for one-way flights from Hong Kong to Porto in July.

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 Porto

Cheap car rent in Porto

Cheapest return flights from Hong Kong to Porto in July from $853

Return flights