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Cheap flights from Hong Kong to Porto from HK$2,718

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9-10. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — OPO
30 Aug — 6 Sep1
1 adult

Cheap flight deals from Hong Kong to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Hong Kong (HKG) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 25 August 2025.

Round-trip from

HK$5,421

One-way from

HK$2,718

Popular in

June

Cheapest in

November

Average price

HK$7,326
23-9-28-9
  • 23-9-28-9
  • 5 total stops
  • 59h 10m total
  • Hong Kong to Porto
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9-10
  • 9-10
  • 3 total stops
  • 49h 10m total
  • Hong Kong to Porto
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (HK$4,565 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (HK$1,683 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
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Find flight deals from Hong Kong to Porto

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 25 August 2025.

Di 23-914:35HKG - OPO
2 stops31h 25mMultiple Airlines
So 28-905:50OPO - HKG
3 stops27h 45mMultiple Airlines
Deal found 22-8HK$5,421
Do 9-1014:35HKG - OPO
2 stops29h 25mMultiple Airlines
Do 16-1007:15OPO - HKG
2 stops26h 20mMultiple Airlines
Deal found 24-8HK$5,616
Di 23-1219:35HKG - OPO
2 stops27h 40mEtihad Airways
Mi 31-1220:10OPO - HKG
2 stops52h 20mEtihad Airways
Deal found 22-8HK$6,202
So 21-900:25HKG - OPO
2 stops37h 50mEthiopian Air
Mo 29-919:55OPO - HKG
3 stops38h 05mEthiopian Air
Deal found 23-8HK$6,272
Do 9-1023:15HKG - OPO
1 stop19h 10mSWISS
Do 16-1014:35OPO - HKG
2 stops19h 05mSWISS
Deal found 24-8HK$6,319
Mo 22-923:15HKG - OPO
2 stops25h 10mSWISS
Mo 29-908:10OPO - HKG
2 stops25h 30mSWISS
Deal found 23-8HK$6,475
Di 23-923:15HKG - OPO
2 stops21h 30mSWISS
So 28-908:40OPO - HKG
1 stop25h 00mSWISS
Deal found 22-8HK$6,491

Cheapflights Fare Finder

 
Customise your flight search to find flights from Hong Kong to Porto that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 70,647 searches. Data last updated 25 August 2025.
Use the filters below to find and compare flights from Hong Kong to Porto that are best for you.

Fly from

Hong Kong

Fly to

Porto

Route

Departure

Return

Price

Hong KongPorto

HKG - OPO

HKGOPO

Hong Kong Intl

Di 23-9

14:35-15:00

2 stops31h 25m

Porto

So 28-9

05:50-16:35

3 stops27h 45m

HK$5,421

Hong KongPorto

HKG - OPO

HKGOPO

Hong Kong Intl

Do 9-10

14:35-13:00

2 stops29h 25m

Porto

Do 16-10

07:15-16:35

2 stops26h 20m

HK$5,616

Hong KongPorto

HKG - OPO

HKGOPO

Hong Kong Intl

Di 23-12

19:35-15:15

2 stops27h 40m

Porto

Mi 31-12

20:10-08:30

2 stops52h 20m

HK$6,202

Hong KongPorto

HKG - OPO

HKGOPO

Hong Kong Intl

Do 25-12

19:35-15:15

2 stops27h 40m

Porto

Mi 31-12

20:10-08:30

2 stops52h 20m

HK$6,202

Hong KongPorto

HKG - OPO

HKGOPO

Hong Kong Intl

So 21-9

00:25-07:15

2 stops37h 50m

Porto

Mo 29-9

19:55-17:00

3 stops38h 05m

HK$6,272

Hong KongPorto

HKG - OPO

HKGOPO

Hong Kong Intl

Di 17-2

22:40-10:30

1 stop19h 50m

Porto

Fr 27-2

11:20-18:30

1 stop23h 10m

HK$6,288

Hong KongPorto

HKG - OPO

HKGOPO

Hong Kong Intl

Do 9-10

23:15-11:25

1 stop19h 10m

Porto

Do 16-10

14:35-16:40

2 stops19h 05m

HK$6,319

Hong KongPorto

HKG - OPO

HKGOPO

Hong Kong Intl

Mo 22-9

23:15-17:25

2 stops25h 10m

Porto

Mo 29-9

08:10-16:40

2 stops25h 30m

HK$6,475

Hong KongPorto

HKG - OPO

HKGOPO

Hong Kong Intl

Di 23-9

23:15-13:45

2 stops21h 30m

Porto

So 28-9

08:40-16:40

1 stop25h 00m

HK$6,491

Hong KongPorto

HKG - OPO

HKGOPO

Hong Kong Intl

Do 9-10

14:40-08:50

3 stops49h 10m

HK$2,718

Flights are sorted by cheapest return flights first.

Deals found on 25-8

Showing 1-10 of 16 results
1
2

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.
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

What’s the top stopover airport for flights from Hong Kong to Porto?

Share of one-stop return flights from Hong Kong to Porto chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Frankfurt am Main (FRA) – chosen by Cheapflights users on 50% of one-stop itineraries from Hong Kong to Porto on Cheapflights.

What’s the fastest stopover option from Hong Kong to Porto?

Shortest average travel time for one-stop one-way flights from Hong Kong to Porto, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Amsterdam (AMS) have the shortest average one-way travel time for one-stop routes: 19h 05m.

What’s the fastest stopover option from Hong Kong to Porto?

Shortest average travel time for one-stop one-way flights from Hong Kong to Porto, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Amsterdam (AMS) have the shortest average one-way travel time for one-stop routes: 19h 05m.

Which airport typically offers the quickest stopover for flights from Hong Kong to Porto?

Average stopover duration for one-stop one-way flights from Hong Kong to Porto, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Frankfurt am Main (FRA) offer the fastest connection on this route, with an average stopover time of 2h 18m.

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto. Reviews last updated 25 August 2025.
Read through reviews of airlines operating flights from Hong Kong to Porto, such as SWISS, Turkish Airlines, andLufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.6
Good
1,710 reviews
Check prices

Boarding

7.7

Overall

7.6

Entertainment

6.8

Food

7.1

Crew

8.3

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Leonardo,Aug 2025

HKG - ZRH

Particularly good to do immigration in Zurich. The line is way more efficient and you can take a connecting flight in one hour. Great value for money.
SWISS
7.6
Good
1,710 reviews
SWISS
7.6
Good
1,710 reviews
Check prices

Boarding

7.7

Overall

7.6

Entertainment

6.8

Food

7.1

Crew

8.3

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Leonardo,Aug 2025

HKG - ZRH

Particularly good to do immigration in Zurich. The line is way more efficient and you can take a connecting flight in one hour. Great value for money.
Turkish Airlines
7.3
Good
3,953 reviews
SWISS
7.6
Good
1,710 reviews
Check prices

Boarding

7.7

Overall

7.6

Entertainment

6.8

Food

7.1

Crew

8.3

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Leonardo,Aug 2025

HKG - ZRH

Particularly good to do immigration in Zurich. The line is way more efficient and you can take a connecting flight in one hour. Great value for money.
Lufthansa
6.8
Okay
7,359 reviews
SWISS
7.6
Good
1,710 reviews
Check prices

Boarding

7.7

Overall

7.6

Entertainment

6.8

Food

7.1

Crew

8.3

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Leonardo,Aug 2025

HKG - ZRH

Particularly good to do immigration in Zurich. The line is way more efficient and you can take a connecting flight in one hour. Great value for money.

Related info for your journey

Find useful and relevant information for your journey from Hong Kong to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Hong Kong to Porto?

    For as low as HK$6,202, Etihad Airways can have you in Porto from Hong Kong in 27h 40m. The distance from Hong Kong to Porto is about 10795 km.

  • What are the cheapest airlines flying from Hong Kong to Porto round-trip?

    According to our current data, Lufthansa (HK$5,160), SWISS (HK$5,268), and Turkish Airlines (HK$5,268) offers the cheapest pricing from Hong Kong to Porto. You may be able to fly from Hong Kong to Porto for 26% less than the average price by searching for these airlines.

  • 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

Travelling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Vila Nova de Gaia
Aveiro

Browse thousands of different options on Cheapflights for your next trip

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Fly from Hong Kong to Porto on these airlines

Choose from the following airlines for your flight from Hong Kong to Porto. Flights are based on user searches made on Cheapflights and were last updated on 25 August 2025.
Lufthansa flights from Hong Kong Intl to Porto
SWISS flights from Hong Kong Intl to Porto
Turkish Airlines flights from Hong Kong Intl to Porto

Top 3 airlines flying from Hong Kong to Porto

Discover the top 3 airlines that operate flights from Hong Kong to Porto. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 70,647 searches. Data last updated 25 August 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapestHK$5,160AverageHK$6,662FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
SWISSCheapestHK$5,268AverageHK$7,235FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Turkish AirlinesCheapestHK$5,268AverageHK$7,189FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Porto from Hong Kong today with Cheapflights!

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Hong Kong to Porto for you. Better yet — we are completely free to use.

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?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Porto from Hong Kong today and book when prices fit your budget.

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