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Cheap flights from Hong Kong to Porto from HK$3,659

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 29-8. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — OPO
21 Jul — 28 Jul1
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 21 June 2026.

Mon 6-723:05
HKG
-
OPO
1 stop19h 20m
SWISS
Sun 12-708:40
OPO
-
HKG
1 stop24h 55m
SWISS
Deal found 18-6HK$5,485
Wed 2-920:10
HKG
-
OPO
2 stops41h 40m
Etihad Airways
Sat 12-916:05
OPO
-
HKG
2 stops33h 55m
Etihad Airways
Deal found 16-6HK$5,666
Sun 28-623:05
HKG
-
OPO
1 stop26h 10m
Multiple Airlines
Tue 7-716:35
OPO
-
HKG
1 stop15h 45m
Multiple Airlines
Deal found 20-6HK$6,300
Wed 2-920:10
HKG
-
OPO
2 stops34h 40m
Multiple Airlines
Sat 12-915:30
OPO
-
HKG
3 stops34h 30m
Multiple Airlines
Deal found 16-6HK$6,480
Thu 26-1119:35
HKG
-
OPO
2 stops31h 45m
Etihad Airways
Mon 30-1107:35
OPO
-
HKG
2 stops40h 55m
Etihad Airways
Deal found 19-6HK$6,575
Mon 6-719:40
HKG
-
OPO
2 stops32h 20m
Multiple Airlines
Sun 12-705:55
OPO
-
HKG
2 stops33h 00m
Multiple Airlines
Deal found 18-6HK$6,582
Tue 4-823:05
HKG
-
OPO
1 stop19h 20m
Multiple Airlines
Tue 11-806:00
OPO
-
HKG
1 stop26h 20m
Multiple Airlines
Deal found 20-6HK$6,598
Sat 27-623:05
HKG
-
OPO
1 stop32h 05m
SWISS
Sat 11-703:00
OPO
-
HKG
1 stop30h 35m
SWISS
Deal found 17-6HK$6,794
Fri 26-623:05
HKG
-
OPO
1 stop19h 20m
SWISS
Sat 11-703:00
OPO
-
HKG
1 stop30h 35m
SWISS
Deal found 17-6HK$6,802
Thu 25-623:05
HKG
-
OPO
1 stop19h 20m
SWISS
Sat 11-703:00
OPO
-
HKG
1 stop30h 35m
SWISS
Deal found 17-6HK$6,872

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 21 June 2026.

Round-trip from

HK$5,485

One-way from

HK$3,659

Popular in

July

Cheapest in

February

Average price

HK$11,041
SWISS
  • SWISS
  • 6-7-12-7
  • 2 total stops
  • 44h 15m total
  • Hong Kong to Porto
Search Deals
29-8
  • 29-8
  • 2 total stops
  • 25h 50m total
  • Hong Kong to Porto
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (HK$14,682 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (HK$2,464 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 21 June 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

Mon 6-7

23:05-11:25

1 stop19h 20m

Porto

Sun 12-7

08:40-16:35

1 stop24h 55m

HK$5,485

Hong KongPorto

HKG - OPO

HKGOPO

Hong Kong Intl

Wed 2-9

20:10-06:50

2 stops41h 40m

Porto

Sat 12-9

16:05-09:00

2 stops33h 55m

HK$5,666

Hong KongPorto

HKG - OPO

HKGOPO

Hong Kong Intl

Wed 2-9

20:10-23:50

2 stops34h 40m

Porto

Sat 12-9

15:30-09:00

3 stops34h 30m

HK$6,480

Hong KongPorto

HKG - OPO

HKGOPO

Hong Kong Intl

Thu 26-11

19:35-19:20

2 stops31h 45m

Porto

Mon 30-11

07:35-08:30

2 stops40h 55m

HK$6,575

Hong KongPorto

HKG - OPO

HKGOPO

Hong Kong Intl

Thu 26-11

23:15-15:25

1 stop24h 10m

Porto

Mon 30-11

16:25-08:05

1 stop31h 40m

HK$7,194

Hong KongPorto

HKG - OPO

HKGOPO

Hong Kong Intl

Mon 6-7

20:10-14:15

3 stops25h 05m

Porto

Sun 12-7

22:00-09:00

3 stops28h 00m

HK$7,484

Hong KongPorto

HKG - OPO

HKGOPO

Hong Kong Intl

Mon 6-7

19:40-20:05

2 stops31h 25m

Porto

Sun 12-7

16:50-21:55

2 stops22h 05m

HK$7,915

Hong KongPorto

HKG - OPO

HKGOPO

Hong Kong Intl

Fri 28-8

15:35-23:00

3 stops38h 25m

Porto

Mon 28-9

05:05-21:55

3 stops33h 50m

HK$7,915
Fastest return journey

Hong KongPorto

HKG - OPO

HKGOPO

Hong Kong Intl

Fri 28-8

22:20-15:25

1 stop24h 05m

Porto

Mon 28-9

16:25-17:40

1 stop18h 15m

HK$8,016
Cheapest one-way

Hong KongPorto

HKG - OPO

HKGOPO

Hong Kong Intl

Sun 5-7

20:10-06:50

2 stops41h 40m

HK$4,043

Flights are sorted by cheapest return flights first.

Deals found on 20-6

Showing 1-10 of 15 resultsSorted by cheapest first
1
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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$5,485, SWISS can have you in Porto from Hong Kong in 19h 20m. 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.
Hong Kong to Lisbon flights
Hong Kong to Faro 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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