HK$2,885+ Cheap flights to Porto

— OPO
30 Sep — 7 Oct1
1 adult
1 adult, Economy, 0 bags

Flights to Porto in 2026

Enter your travel dates to find the best prices.

Cheapest flights to Porto

Sun 18-1023:05 -
1 stop19h 55m
Tue 27-1016:10 -
1 stop16h 20m
Deal found 29-8HK$5,111
Tue 13-1023:05 -
1 stop19h 20m
Tue 20-1008:40 -
1 stop24h 55m
Deal found 29-8HK$5,464
Thu 22-1023:05 -
2 stops27h 05m
Thu 29-1010:00 -
2 stops23h 35m
Deal found 28-8HK$5,535
Mon 19-1020:20 -
2 stops41h 30m
Tue 27-1020:10 -
2 stops28h 20m
Deal found 26-8HK$5,566
Tue 13-1008:30 -
2 stops30h 45m
Tue 20-1009:00 -
2 stops27h 00m
Deal found 29-8HK$5,574
Mon 19-1023:05 -
2 stops21h 40m
Tue 27-1016:10 -
1 stop16h 20m
Deal found 26-8HK$5,637
Tue 13-1017:30 -
2 stops33h 10m
Fri 23-1021:25 -
2 stops31h 40m
Deal found 26-8HK$5,660

Find flight deals to Porto

Return from

HK$5,111

One-way from

HK$2,885

Popular in

December

Cheapest in

February

Average price

HK$7,095
Lufthansa
  • Lufthansa
  • 18-10-27-10
  • 2 total stops
  • 36h 15m total
  • Hong Kong to Porto
19-9
  • 19-9
  • 2 total stops
  • 47h 45m total
  • Hong Kong to Porto
Highest demand for flights based on searches. 9% potential increase in price (HK$884 potential increase over avg. return price).
Cheapest flight prices on average. 5% potential price decrease (HK$431 potential savings vs. average return price).
Average for return flights in August 2026

Cheapflights Fare Finder

 
Use the filters below to find and compare flights to Porto that are best for you.

Fly from

Route

Departure

Return

Price

Cheapest return flight

Hong KongPorto

HKG Hong Kong Intl - OPO Porto

HKGOPO

Hong Kong Intl

Mon 19-10

20:20-06:50

2 stops41h 30m

Porto

Tue 27-10

20:10-08:30

2 stops28h 20m

HK$5,566

Hong KongPorto

HKG Hong Kong Intl - OPO Porto

HKGOPO

Hong Kong Intl

Thu 22-10

23:05-13:45

2 stops21h 40m

Porto

Thu 29-10

12:05-17:35

1 stop21h 30m

HK$5,746

Hong KongPorto

HKG Hong Kong Intl - OPO Porto

HKGOPO

Hong Kong Intl

Tue 23-2

19:35-10:50

2 stops23h 15m

Porto

Thu 25-2

11:35-08:30

2 stops36h 55m

HK$7,220

Hong KongPorto

HKG Hong Kong Intl - OPO Porto

HKGOPO

Hong Kong Intl

Fri 16-10

17:45-16:10

3 stops29h 25m

Porto

Sat 17-10

21:00-09:00

2 stops29h 00m

HK$7,589

Hong KongPorto

HKG Hong Kong Intl - OPO Porto

HKGOPO

Hong Kong Intl

Fri 25-12

17:50-17:50

2 stops32h 00m

Porto

Fri 1-1

16:00-12:00

3 stops36h 00m

HK$7,604

Hong KongPorto

HKG Hong Kong Intl - OPO Porto

HKGOPO

Hong Kong Intl

Tue 23-2

21:00-15:00

3 stops26h 00m

Porto

Thu 25-2

18:00-21:50

2 stops19h 50m

HK$8,811

Hong KongPorto

HKG Hong Kong Intl - OPO Porto

HKGOPO

Hong Kong Intl

Sat 10-10

21:30-00:40

3 stops34h 10m

Porto

Sat 17-10

15:30-18:15

3 stops43h 45m

HK$8,859
Fastest return journey

Hong KongPorto

HKG Hong Kong Intl - OPO Porto

HKGOPO

Hong Kong Intl

Tue 23-2

23:15-09:55

1 stop18h 40m

Porto

Thu 25-2

16:25-17:05

1 stop16h 40m

HK$8,913

Hong KongPorto

HKG Hong Kong Intl - OPO Porto

HKGOPO

Hong Kong Intl

Sat 10-10

00:40-00:40

2 stops31h 00m

Porto

Sun 18-10

18:00-22:05

2 stops45h 05m

HK$9,478
Cheapest one-way

Hong KongPorto

HKG Hong Kong Intl - OPO Porto

HKGOPO

Hong Kong Intl

Sat 21-11

20:35-08:10

3 stops43h 35m

HK$3,097

Flights are sorted by cheapest return flights first.

Deals found on 27-8

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

Best time to book a flight to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight to Porto

Rainfall in Porto by month

In terms of precipitation, rainfall in Porto ranges from 18.0 - 195.0 mm 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.

Temperature in Porto by month

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).

How long is the flight to Porto?

On average, a flight from Hong Kong to Porto takes 19 hours 55 minutes. Flights to Porto from other popular cities in Hong Kong will vary in length. Below are a few examples of popular routes and their flight times.

FAQs about flying to Porto

Porto climate

Porto is warmest in July and August when the temperature is around 35 or 40 degrees. Summer also has low humidity, cooling breezes, and little rain. Mid-September is the beginning of the rainy season, and the amount of rainfall peaks in December which has an average rainfall of 45cm (18 inches). The rain continues into May, although it eases off in March. Winters are mild.

Getting around Porto

The public transport system in Porto is cheap and easy, but many tourists enjoy walking or biking, especially in the old section of town, where the sights are close together. Don’t worry about getting lost in the narrow streets, just ask a resident to point you in the right direction. Buses, trams and the metro will get you around the city quickly, and the funiculars can take you from the Ribeira to the city’s centre. Local trains can take you to the outer edges of the city and to the beaches. Avoid travelling during rush hour, as public transport can get very crowded. Look for discount or multiple-trip tickets such as the Passe Turistico, bulhete diario (day pass) and the rechargeable Andante Card to save money. You can hail, call or pick up a taxi from a stand 24 hours a day. 

Driving can be very difficult, thanks to heavy traffic and a maze of one-way streets. With all the transport system options in Porto, renting a car isn’t worth the hassle.

What is good to know if travelling to Porto?

  • Porto is the capital of Port, the country’s most famous wine region. A visit to the Port lodges in Vila Nova da Gaia, where the wines are aged, is a must. Vila Nova da Gaialies opposite Oporto, across the river Douro. The city is also known for the “Barcos Rabelos”, the flat-bottomed boats that used to ship the Port from the vineyards. The boats take part in a thrilling race (in June each year), part of the Festival de Sao Joao do Porto (feast of St. John).
  • The funicular railway that runs up the hill from the riverside to the Praca da Batalha is a great way to see the city.
  • Porto’s historic center is a Unesco World Heritage site. The Praca da Ribeira is a popular meeting place. Ribeira’s Quay is the original port. The area is charming with cobbled streets, brightly painted houses, small shops, cafes and restaurants. A walk along the Ribeira Quay leads to the Dom Luis Bridge, which links Porto with Vila Nova da Gaia. The bridge was built in the 1880s by Teophile Seyrig, a Belgian engineer who studied with Eiffel. The bridge with its iron structure owes much to the Eiffel Tower.
  • Porto Cathedral was started in the 13th century, added to at the end of the 14th (Gothic cloister) and 16th centuries (Chapel of St. Vincent) and the main chapel was added in the 17th century. In 1736, Nicolau Nasoni, the baroque Italian architect added the north facade. The cathedral is located on the hill above the grand Sao Bento train station. The views from the cathedral of the old quarter are beautiful.
  • The Sao Francisco Church is one of Porto’s last remaining medieval buildings, and the only Gothic church in the city.
  • When is the best time to fly to Porto?

    Peak season: Summer is the most popular time to visit Porto and the beaches in the surrounding areas. Off season: If you do not mind rain, pack the wet gear and come in winter. The weather is on the cool side of mild, and, when the rain eases off in March, everything is in bloom.

  • What airport do you fly into for flights to Porto?

    For a flight to Porto, you will be flying into Porto. Porto (OPO) is just 10.9 km from the centre of the city.

  • Can I find cheaper flights to Porto if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Porto on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the cheapest airport to fly to in Porto?

    Porto is currently the cheapest airport to fly to in Porto. One-way flights to Porto typically cost HK$553, while return flights cost around HK$2,418.

  • How much is a return flight to Porto?

    A return flight to Porto will typically cost around HK$2,471, however they can be found for as little as HK$2,418.

  • Does Porto have rental cars?

    Yes. Those touching down at Porto can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Porto?

    Yes. Porto has hotels nearby for those requiring accommodations. Room near the airport is the closest property to Porto (0.0 km away from Porto).

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

Search flights to Porto by cabin class

Fly with Cheapflights

How does Cheapflights help users find flights to Porto?

Cheapflights helps you search for flights to Porto via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Porto.

Can Cheapflights find flights to Porto with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights to Porto flexibly with Cheapflights today.

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

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

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book With Flexibility

Our users can plan ahead with confidence and find flights with no change fees.

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.