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Cheap flights from Hong Kong to Porto from HK$2,956

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 5-11. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — OPO
17 Aug — 24 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 18 July 2026.

Tue 21-722:20
HKG
-
OPO
1 stop17h 10m
Air France
Wed 16-916:25
OPO
-
HKG
1 stop18h 15m
Air France
Deal found 14-7HK$4,665
Tue 21-722:20
HKG
-
OPO
1 stop17h 10m
Multiple Airlines
Wed 16-905:00
OPO
-
HKG
2 stops29h 40m
Multiple Airlines
Deal found 14-7HK$4,900
Tue 17-1123:30
HKG
-
OPO
1 stop19h 45m
SWISS
Tue 24-1112:05
OPO
-
HKG
1 stop21h 30m
SWISS
Deal found 16-7HK$5,002
Thu 17-922:20
HKG
-
OPO
1 stop24h 05m
Multiple Airlines
Thu 24-916:20
OPO
-
HKG
1 stop16h 05m
Multiple Airlines
Deal found 16-7HK$5,503
Thu 17-920:10
HKG
-
OPO
2 stops41h 40m
Etihad Airways
Thu 24-911:35
OPO
-
HKG
2 stops38h 25m
Etihad Airways
Deal found 16-7HK$5,535
Tue 4-822:20
HKG
-
OPO
1 stop24h 10m
KLM
Mon 17-816:20
OPO
-
HKG
1 stop16h 05m
KLM
Deal found 18-7HK$5,598
Thu 17-922:20
HKG
-
OPO
1 stop24h 05m
Air France
Thu 24-905:55
OPO
-
HKG
2 stops26h 30m
Air France
Deal found 16-7HK$5,660
Tue 18-823:25
HKG
-
OPO
1 stop18h 45m
Multiple Airlines
Tue 25-808:40
OPO
-
HKG
1 stop24h 55m
Multiple Airlines
Deal found 18-7HK$5,668
Tue 21-722:20
HKG
-
OPO
2 stops24h 10m
KLM
Wed 16-911:45
OPO
-
HKG
2 stops22h 55m
KLM
Deal found 14-7HK$5,754

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 18 July 2026.

Round-trip from

HK$5,002

One-way from

HK$2,956

Popular in

December

Cheapest in

February

Average price

HK$10,011
SWISS
  • SWISS
  • 17-11-24-11
  • 2 total stops
  • 41h 15m total
  • Hong Kong to Porto
Search Deals
5-11
  • 5-11
  • 2 total stops
  • 42h 05m total
  • Hong Kong to Porto
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (HK$6,424 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (HK$3,328 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 18 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

Tue 17-11

23:30-13:25

2 stops21h 55m

Porto

Tue 24-11

12:05-17:35

1 stop21h 30m

HK$5,268

Hong KongPorto

HKG - OPO

HKGOPO

Hong Kong Intl

Thu 17-9

22:20-15:25

1 stop24h 05m

Porto

Thu 24-9

16:20-15:25

1 stop16h 05m

HK$5,519

Hong KongPorto

HKG - OPO

HKGOPO

Hong Kong Intl

Wed 18-11

19:35-10:50

2 stops23h 15m

Porto

Sun 22-11

16:05-08:30

2 stops32h 25m

HK$5,864
Fastest return journey

Hong KongPorto

HKG - OPO

HKGOPO

Hong Kong Intl

Tue 1-9

23:05-11:25

1 stop19h 20m

Porto

Tue 8-9

14:35-16:35

2 stops19h 00m

HK$6,585

Hong KongPorto

HKG - OPO

HKGOPO

Hong Kong Intl

Wed 18-11

23:15-15:25

1 stop24h 10m

Porto

Sun 22-11

10:55-08:05

1 stop37h 10m

HK$7,189

Hong KongPorto

HKG - OPO

HKGOPO

Hong Kong Intl

Fri 13-11

23:15-15:25

1 stop24h 10m

Porto

Tue 17-11

16:25-17:05

1 stop16h 40m

HK$7,581

Hong KongPorto

HKG - OPO

HKGOPO

Hong Kong Intl

Wed 18-11

21:00-18:00

3 stops29h 00m

Porto

Sun 22-11

11:00-21:50

2 stops26h 50m

HK$8,788
Cheapest one-way

Hong KongPorto

HKG - OPO

HKGOPO

Hong Kong Intl

Sun 15-11

22:05-18:55

3 stops52h 50m

HK$3,238

Hong KongPorto

HKG - OPO

HKGOPO

Hong Kong Intl

Mon 28-9

23:05-06:50

2 stops38h 45m

HK$3,426

Hong KongPorto

HKG - OPO

HKGOPO

Hong Kong Intl

Wed 16-9

20:10-06:50

2 stops41h 40m

HK$3,528

Flights are sorted by cheapest return flights first.

Deals found on 16-7

Showing 1-10 of 18 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$5,268, SWISS can have you in Porto from Hong Kong in 21h 55m. 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

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.
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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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