How long is the flight from Hong Kong to Porto?

For as low as HK$5,836, SWISS can have you in Porto from Hong Kong in 23h 45m. The distance from Hong Kong to Porto is about 10795 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

In terms of precipitation, rainfall in Porto ranges from 18.0 - 195.0 inches per month. December is typically the wettest month, when rainfall can reach 195.0 mm. July is typically the driest time to visit Porto when rainfall is around 18.0 mm.

If weather is an important factor for your trip to Porto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 20.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 9.0 C).

What is the cheapest time of day to fly from HK to OPO?

When flying from Hong Kong to Porto, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly into for flights to Porto from Hong Kong?

If you book a flight to Porto from Hong Kong, you will be flying to Porto, which is the city’s only airport. Porto (OPO) is located 10.9 km from the centre of Porto.

Can I find deals for flights from Hong Kong to Porto that include hotel bookings?

Yes. In addition to deals on Hong Kong to Porto flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Hong Kong to Porto?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hong Kong to Porto.

Can I find deals for business class flights from Hong Kong to Porto?

Yes. Cheapflights offers flight deals from Hong Kong to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

HK$2,479+ Cheap Flights from Hong Kong to Porto

Cheap flight deals from Hong Kong to Porto

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Hong Kong to Porto
Explore the most affordable flight options available from Hong Kong to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 September 2026.

Thu 12-1123:30 -

1 stop19h 45m

Mon 16-1112:05 -

1 stop21h 30m

Deal found 18-9HK$4,918

Wed 2-1223:30 -

1 stop19h 45m

Wed 6-119:20 -

1 stop38h 15m

Deal found 16-9HK$5,436

Wed 7-1023:05 -

1 stop19h 20m

Wed 21-1006:00 -

1 stop26h 20m

Deal found 16-9HK$5,460

Thu 12-1119:35 -

2 stops23h 15m

Mon 16-1120:10 -

2 stops28h 30m

Deal found 18-9HK$5,530

Wed 2-1219:35 -

2 stops43h 10m

Wed 6-116:05 -

2 stops32h 25m

Deal found 16-9HK$5,601

Mon 2-1123:45 -

1 stop23h 45m

Mon 9-1109:10 -

2 stops24h 25m

Deal found 18-9HK$5,679

Thu 15-1020:20 -

2 stops25h 55m

Sat 24-1020:10 -

2 stops29h 20m

Deal found 17-9HK$5,734

Thu 15-1010:30 -

2 stops20h 20m

Sat 24-1005:05 -

3 stops32h 55m

Deal found 19-9HK$5,781

Wed 7-1023:05 -

2 stops21h 40m

Wed 21-1008:40 -

1 stop24h 55m

Deal found 16-9HK$5,813

Mon 2-1123:45 -

1 stop23h 45m

Mon 9-1112:30 -

1 stop20h 00m

Deal found 18-9HK$5,836

Find flight deals from Hong Kong to Porto

Round-trip from	HK$4,918
One-way from	HK$2,479
Popular in	December
Cheapest in	February
Average price	HK$8,284

SWISS
12-11-16-11
2 total stops
41h 15m total
Hong Kong to Porto

Search Deals

3-12-31-12
3 total stops
54h 55m total
Hong Kong to Porto

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (HK$6,937 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (HK$3,387 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Fly from

Fly to

Route

Departure

Return

Price

Cheapest return flight

Hong KongPorto

HKG Hong Kong Intl - OPO Porto

HKGOPO

Hong Kong Intl

Mon 2-11

12:55-23:00

3 stops42h 05m

Porto

Wed 31-12

00:00-07:00

Nonstop0h 00m

HK$2,997

Hong KongPorto

HKG Hong Kong Intl - OPO Porto

HKGOPO

Hong Kong Intl

Fri 30-10

08:10-18:25

2 stops42h 15m

Porto

Wed 31-12

00:00-07:00

Nonstop0h 00m

HK$3,146

Fastest return journey

Hong KongPorto

HKG Hong Kong Intl - OPO Porto

HKGOPO

Hong Kong Intl

Wed 28-10

23:30-11:15

1 stop19h 45m

Porto

Wed 31-12

00:00-07:00

Nonstop0h 00m

HK$4,024

Hong KongPorto

HKG Hong Kong Intl - OPO Porto

HKGOPO

Hong Kong Intl

Sun 1-11

23:30-18:30

1 stop27h 00m

Porto

Wed 31-12

00:00-07:00

Nonstop0h 00m

HK$4,542

Hong KongPorto

HKG Hong Kong Intl - OPO Porto

HKGOPO

Hong Kong Intl

Thu 29-10

23:30-18:30

1 stop27h 00m

Porto

Wed 31-12

00:00-07:00

Nonstop0h 00m

HK$4,542

Hong KongPorto

HKG Hong Kong Intl - OPO Porto

HKGOPO

Hong Kong Intl

Wed 28-10

21:00-22:00

3 stops33h 00m

Porto

Wed 31-12

00:00-07:00

Nonstop0h 00m

HK$5,146

Hong KongPorto

HKG Hong Kong Intl - OPO Porto

HKGOPO

Hong Kong Intl

Tue 27-10

21:00-22:00

3 stops33h 00m

Porto

Wed 31-12

00:00-07:00

Nonstop0h 00m

HK$5,146

Hong KongPorto

HKG Hong Kong Intl - OPO Porto

HKGOPO

Hong Kong Intl

Wed 2-12

23:30-07:55

2 stops40h 25m

Porto

Wed 6-1

19:20-17:35

1 stop38h 15m

HK$5,750

Hong KongPorto

HKG Hong Kong Intl - OPO Porto

HKGOPO

Hong Kong Intl

Wed 7-10

23:05-13:45

2 stops21h 40m

Porto

Wed 21-10

08:40-16:35

1 stop24h 55m

HK$5,813

Hong KongPorto

HKG Hong Kong Intl - OPO Porto

HKGOPO

Hong Kong Intl

Mon 2-11

23:45-15:30

1 stop23h 45m

Porto

Mon 9-11

12:30-16:30

1 stop20h 00m

HK$5,836

Flights are sorted by cheapest return flights first.

Deals found on 16-9

Showing 1-10 of 16 resultsSorted by cheapest first

Best time to book a flight from Hong Kong to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Hong Kong with our price prediction graph.

HKG-OPO

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Hong Kong to Porto

HK0-OPO

HKG-OPO

No data available for this route at this time. Please check back soon.

Related info for your journey

What airport do you fly into for flights to Porto from Hong Kong?
If you book a flight to Porto from Hong Kong, you will be flying to Porto, which is the city’s only airport. Porto (OPO) is located 10.9 km from the centre of Porto.
How long is the flight from Hong Kong to Porto?
For as low as HK$5,836, SWISS can have you in Porto from Hong Kong in 23h 45m. The distance from Hong Kong to Porto is about 10795 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
Can I find deals for flights from Hong Kong to Porto that include hotel bookings?
Yes. In addition to deals on Hong Kong to Porto flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Hong Kong to Porto?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hong Kong to Porto.
Can I find deals for business class flights from Hong Kong to Porto?
Yes. Cheapflights offers flight deals from Hong Kong to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Cheapflights makes it easy to find Hong Kong to Porto flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Hong Kong to Porto?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Hong Kong to Porto.

Can Cheapflights find flights from Hong Kong to Porto with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Hong Kong to Porto, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Hong Kong to Porto become cheaper?

Not ready to book yet? You can track prices for flights from Hong Kong to Porto on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from Hong Kong to Porto from HK$2,479

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3-12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Hong Kong to Porto

Cheapest flights from Hong Kong to PortoExplore the most affordable flight options available from Hong Kong to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 September 2026.

Explore the most affordable flight options available from Hong Kong to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 September 2026.

Best flights from Hong Kong to PortoDiscover carefully curated flight deals from Hong Kong to Porto that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 September 2026.

Discover carefully curated flight deals from Hong Kong to Porto that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 September 2026.

Last-minute flights from Hong Kong to PortoDiscover last-minute flight deals from Hong Kong to Porto. Data last updated 20 September 2026 and is based on user searches.

Discover last-minute flight deals from Hong Kong to Porto. Data last updated 20 September 2026 and is based on user searches.

One-way flights from Hong Kong to PortoSearch for one-way flight options from Hong Kong to Porto. Find affordable one-way fares based on user searches. Data last updated 20 September 2026.

Search for one-way flight options from Hong Kong to Porto. Find affordable one-way fares based on user searches. Data last updated 20 September 2026.

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Best time to book a flight from Hong Kong to Porto

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Related info for your journey

What airport do you fly into for flights to Porto from Hong Kong?

How long is the flight from Hong Kong to Porto?

Can I find deals for flights from Hong Kong to Porto that include hotel bookings?

How can I find direct flights from Hong Kong to Porto?

Can I find deals for business class flights from Hong Kong to Porto?

Travelling to a place near Porto?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Hong Kong to Porto

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Porto by adding a car hire and/or hotel booking to your travel itinerary.

Search flights from Hong Kong to Porto by cabin class

Find flights from Hong Kong to Porto, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hong Kong and Porto flights

Browse other Hong Kong and Porto flight options. Last updated on 20 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Fly with Cheapflights

How does Cheapflights help users find flights from Hong Kong to Porto?

Why should you use Cheapflights to find cheap flight tickets from Hong Kong to Porto?

Can Cheapflights find flights from Hong Kong to Porto with no change fees?

Can Cheapflights notify me if prices for flights from Hong Kong to Porto become cheaper?

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Travel Smart

Cheapest flights from Hong Kong to Porto
Explore the most affordable flight options available from Hong Kong to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 September 2026.

Best flights from Hong Kong to Porto
Discover carefully curated flight deals from Hong Kong to Porto that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 September 2026.

Last-minute flights from Hong Kong to Porto
Discover last-minute flight deals from Hong Kong to Porto. Data last updated 20 September 2026 and is based on user searches.

One-way flights from Hong Kong to Porto
Search for one-way flight options from Hong Kong to Porto. Find affordable one-way fares based on user searches. Data last updated 20 September 2026.