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Cheap flights from Hong Kong to Porto from HK$3,278

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 23-10. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — OPO
5 Aug — 12 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Hong Kong to Porto

Enter your travel dates to find the best prices.

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 6 July 2026.

Sun 16-823:05
HKG
-
OPO
1 stop26h 10m
SWISS
Tue 25-812:15
OPO
-
HKG
1 stop21h 20m
SWISS
Deal found 6-7HK$5,607
Fri 10-722:20
HKG
-
OPO
1 stop30h 55m
Multiple Airlines
Wed 15-705:55
OPO
-
HKG
1 stop28h 45m
Multiple Airlines
Deal found 2-7HK$6,039
Sun 16-808:55
HKG
-
OPO
2 stops30h 05m
Multiple Airlines
Tue 25-813:00
OPO
-
HKG
2 stops35h 50m
Multiple Airlines
Deal found 6-7HK$6,651
Tue 10-1119:35
HKG
-
OPO
2 stops27h 40m
Etihad Airways
Wed 11-1120:10
OPO
-
HKG
2 stops28h 20m
Etihad Airways
Deal found 2-7HK$6,807
Tue 10-1109:45
HKG
-
OPO
1 stop32h 10m
Turkish Airlines
Wed 11-1116:25
OPO
-
HKG
1 stop16h 40m
Turkish Airlines
Deal found 3-7HK$7,192
Mon 3-823:05
HKG
-
OPO
1 stop19h 20m
Multiple Airlines
Mon 10-816:35
OPO
-
HKG
1 stop15h 45m
Multiple Airlines
Deal found 4-7HK$7,341

Find 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 6 July 2026.

Round-trip from

HK$5,607

One-way from

HK$3,278

Popular in

July

Cheapest in

February

Average price

HK$11,089
SWISS
  • SWISS
  • 16-8-25-8
  • 2 total stops
  • 47h 30m total
  • Hong Kong to Porto
Search Deals
23-10
  • 23-10
  • 3 total stops
  • 48h 20m total
  • Hong Kong to Porto
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (HK$14,705 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (HK$2,462 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 6 July 2026.
Use the filters below to find and compare flights from Hong Kong to Porto that are best for you.

Fly from

Fly to

Route

Departure

Return

Price

Cheapest return flight

Hong KongPorto

HKG - OPO

HKGOPO

Hong Kong Intl

Sun 16-8

23:05-13:45

2 stops21h 40m

Porto

Tue 25-8

12:15-16:35

1 stop21h 20m

HK$6,133

Hong KongPorto

HKG - OPO

HKGOPO

Hong Kong Intl

Tue 10-11

19:35-15:15

2 stops27h 40m

Porto

Wed 11-11

20:10-08:30

2 stops28h 20m

HK$6,807
Fastest return journey

Hong KongPorto

HKG - OPO

HKGOPO

Hong Kong Intl

Mon 3-8

23:05-11:25

1 stop19h 20m

Porto

Mon 10-8

16:35-15:20

1 stop15h 45m

HK$7,341

Hong KongPorto

HKG - OPO

HKGOPO

Hong Kong Intl

Thu 1-10

22:45-20:30

1 stop28h 45m

Porto

Sat 10-10

10:40-15:25

1 stop21h 45m

HK$8,533

Hong KongPorto

HKG - OPO

HKGOPO

Hong Kong Intl

Tue 10-11

21:00-15:00

3 stops26h 00m

Porto

Wed 11-11

18:00-21:50

2 stops19h 50m

HK$8,784
Cheapest one-way

Hong KongPorto

HKG - OPO

HKGOPO

Hong Kong Intl

Fri 23-10

20:45-14:05

3 stops48h 20m

HK$3,278

Hong KongPorto

HKG - OPO

HKGOPO

Hong Kong Intl

Mon 21-9

20:10-06:50

2 stops41h 40m

HK$3,757

Hong KongPorto

HKG - OPO

HKGOPO

Hong Kong Intl

Fri 23-10

23:05-18:30

1 stop26h 25m

HK$4,384
Fastest single journey

Hong KongPorto

HKG - OPO

HKGOPO

Hong Kong Intl

Mon 17-8

23:05-11:25

1 stop19h 20m

HK$4,533

Hong KongPorto

HKG - OPO

HKGOPO

Hong Kong Intl

Sun 20-9

08:55-15:50

1 stop37h 55m

HK$5,905

Flights are sorted by cheapest return flights first.

Deals found on 3-7

Showing 1-10 of 16 resultsSorted by cheapest first
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

How much does it cost for a return flight from Hong Kong to Porto?

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$6,133, SWISS can have you in Porto from Hong Kong in 21h 40m. 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

Travelling to a place near Porto?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Hong Kong to Porto

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