HKG to OPO, Hong Kong International Airport to Francisco Sa Carneiro International Airport Cheap Flights

Based on HopeGoo data, Lufthansa offers one-way fares as low as US$491 on Cheapest nonstop routes (e.g. HKG to OPO on Wed, Mar 11), while Air France offers Cheapest nonstop round-trips from US$604 departing on Wed, Mar 18 and returning on Tue, Mar 24.

At the moment, you can catch a nonstop flight from Hong Kong to Porto with the following airlines, including: Air China Selected airlines are based on historical data collected from flight bookings users made on HopeGoo within the last 90 days.

By analyzing data from all airlines on the HopeGoo flight calendar, it looks like the best time to book a flight from Hong Kong to Porto is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

To find best deals on flights from Hong Kong to Porto, you can use various tools on HopeGoo: · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Mar 11, with one-way flights priced at just US$491. · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Lufthansa. · Set up price alerts to easily monitor ticket prices without having to check every day. · Check HopeGoo flight deals and promo codes frequently. · Avoid peak season unless you book very early. It seems the peak season for Porto travel is around July. · Get exclusive promo codes for HopeGoo app users.

The cheapest months to fly from Hong Kong to Porto is October, when demand for travel is lower.

After crunching the numbers on our February flight calendar, it's currently cheapest to fly from Hong Kong to Porto on February 11, 2026 with Air France, with prices starting at US$656.

You can land at any one of the following hubs in Porto, with Hong Kong International Airport to Francisco Sa Carneiro International Airport (HKG-OPO) is by far the most common option on this route: Francisco Sa Carneiro International Airport (OPO).

The time difference between Porto and Hong Kong is 8h.

Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your HopeGoo, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.