Cheap Flights from Porto (OPO) to Hong Kong Intl (HKG)

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Flight deals from Porto to Hong Kong Intl

Looking for a cheap last-minute deal or the best round-trip flight from Porto to Hong Kong Intl? Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Porto to Hong Kong Intl

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Porto to Hong Kong Intl flights are currently cheapest in June.

Porto to Hong Kong Intl: Alternative routes

Compare routes from Porto to Hong Kong below. You may find an airport to fly into that's cheaper, faster, or easier than Hong Kong Intl.

Porto to Hong Kong: Flight information

The things to know before you go.
Cheapest flight found$396
Cheapest month to flyJune

Finding cheap flights from Porto to Hong Kong Intl: Frequently asked questions

The best price we found for a round-trip flight from Porto to Hong Kong Intl is $652. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Porto to Hong Kong Intl. But we found flights with one or more stops from $652.
There are no flights flying from Porto to Hong Kong Intl, as of May 2025.
The cheapest month to fly from Porto to Hong Kong Intl is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Porto Airport to Hong Kong Intl Airport on Monday, January 19, 2026.
No airlines currently offer direct flights between Porto Airport and Hong Kong Intl Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Hong Kong Intl but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Hong Kong is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, British Airways offers the cheapest flight tickets to Hong Kong Intl.

Flying from Porto Airport (OPO) to Hong Kong International Airport (HKG): what you need to know

  • The timezone in Hong Kong is UTC+8, which is eight hours ahead of Porto.

  • To ensure you catch your OPO to HKG flight, leave enough time to navigate the airport and find your gate. Turning up two hours before international departures and one hour before domestic flights is the general rule.

  • Traveling during a peak time such as August? Major public holidays and other popular periods can lead to longer queues at airport checkpoints. Play it safe and get there up to four hours ahead of international flights and two hours before domestic departures.

  • We make it easy to book a flight with a stopover. To see your options for tickets from Porto Airport to Hong Kong International Airport, uncheck 'Direct flights only.' Then, pick a flight offering a stop long enough to visit your chosen city. Stopovers between OPO and HKG include:

    • Frankfurt Airport

    • Manchester Airport

    • Milano Malpensa Airport

How to find the cheapest flights from Porto Airport (OPO) to Hong Kong International Airport (HKG)

  • $396 is the lowest price for a one-way Porto Airport to Hong Kong International Airport flight. A return flight starts from $652. These fares may change based on demand and availability.

  • It's often best to book ahead of time if you're looking for cheap tickets from OPO to HKG. That's because airlines adjust prices based on demand, which tends to increase closer to the date of departure.

  • If you're willing to be flexible with your trip dates, try using the 'Whole month' search function. It'll find the cheapest price across the month when searching for a flight from Porto Airport to Hong Kong International Airport.

  • You don't need to check back in every day to find out if fares have dropped when you create a Price Alert. We'll let you know the moment there's a better deal on cheap flights from OPO to HKG.

  • Tailor your flights using filters. Pick your departure and arrival times, airlines and total journey duration. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest' flights from Porto Airport to Hong Kong International Airport.

Handy information about Porto Airport (OPO)

  • 74.49% of flights that take off from Porto Airport make it to their destination on schedule.

  • Porto Airport is around 10 miles from central Porto. If you're ride-sharing, catching a cab or driving from the center, it'll take 20 minutes or so to get there, depending on the traffic.

  • Planning to take public transport? Expect a journey time of around 50 minutes.

  • Get your trip off to a hassle-free start by staying near OPO. Whether you're catching an early flight from Porto Airport to Hong Kong International Airport or just don't like being rushed, these stays are the answer:

Arriving at Hong Kong International Airport (HKG)

Getting from Hong Kong International Airport (HKG) to central Hong Kong

  • You'll find HKG at 1 Cheong Hong Rd.

  • Hong Kong International Airport is approximately 20 miles from central Hong Kong. Driving there takes about 30 minutes.

  • If you're traveling by public transport, expect a journey of about 45 minutes.

When to fly to Hong Kong International Airport (HKG)

  • April is the most popular month for flights from Porto Airport to Hong Kong International Airport. For a quieter experience, travel to Hong Kong in April.

  • Book your flight from Porto Airport to Hong Kong International Airport for August if you want to visit Hong Kong during its warmest month. Expect temperatures of between 79ºF and 90ºF.

  • If you want to travel in cooler conditions, search for a cheap ticket from OPO to HKG in January. Average temperatures are between 52ºF and 68ºF then.

Explore more of China

  • Guangzhou is just one of the many places in China waiting to be discovered once you've seen Hong Kong. Around 80 miles away to the north-west, its best attractions include Canton Tower, Yuexiu Park and Chen Clan Ancestral Hall.

  • Shenzhen is another sought-after destination in China and is around 17 miles north-west of Hong Kong. No trip is complete without seeing Window of the World, Dafen Oil Painting Village and Shenzhen Museum of Contemporary Art and Urban Planning.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.