Cheapest return flights from Hong Kong to Porto in May from $649

Best time to book flights for Hong Kong (HKG) to Porto (OPO) flights at AirHint

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

Return flights

29 May - 05 Jun SWISS
24 May - 07 Jun SWISS
24 May - 05 Jun SWISS
28 May - 01 Jun SWISS
29 May - 22 Jun SWISS
14 May - 21 May Air China
20 May - 25 May SWISS
25 May - 15 Jun SWISS
25 May - 01 Jun SWISS
23 May - 26 May Air China
19 May - 27 May SWISS
16 May - 24 May SWISS
15 May - 22 May SWISS
15 May - 06 Jun China Southern
24 May - 27 May Sichuan Airlines
11 May - 29 May SWISS
22 May - 31 May Air China
18 May - 25 May China Eastern

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

Skyscanner

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