HK$4,062+ Cheap flights to Porto

— OPO
11 Oct — 18 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

Thu 5-1123:30 -
1 stop40h 20m
Thu 12-1112:05 -
1 stop21h 30m
Deal found 10-9HK$5,003
Mon 12-1023:05 -
1 stop19h 20m
Wed 21-1006:00 -
1 stop26h 20m
Deal found 6-9HK$5,112
Sun 27-1223:30 -
1 stop27h 00m
Thu 7-119:20 -
1 stop38h 15m
Deal found 9-9HK$5,207
Tue 29-1223:30 -
1 stop27h 00m
Thu 7-119:20 -
1 stop38h 15m
Deal found 9-9HK$5,254
Thu 22-1023:25 -
1 stop23h 20m
Thu 29-1006:00 -
1 stop26h 30m
Deal found 7-9HK$5,269
Mon 19-1017:45 -
2 stops25h 45m
Tue 27-1006:55 -
2 stops21h 05m
Deal found 7-9HK$5,324
Wed 14-1023:05 -
1 stop26h 25m
Wed 21-1006:00 -
1 stop26h 20m
Deal found 9-9HK$5,387
Thu 22-1023:05 -
2 stops27h 05m
Thu 29-1010:00 -
2 stops23h 35m
Deal found 7-9HK$5,536
Sat 26-1222:45 -
1 stop19h 50m
Sun 10-116:10 -
1 stop16h 10m
Deal found 9-9HK$5,583
Sat 26-1222:45 -
1 stop19h 50m
Fri 8-111:30 -
1 stop23h 15m
Deal found 9-9HK$5,591

Find flight deals to Porto

Return from

HK$5,003

One-way from

HK$4,062

Popular in

December

Cheapest in

February

Average price

HK$8,280
SWISS
  • SWISS
  • 5-11-12-11
  • 2 total stops
  • 61h 50m total
  • Hong Kong to Porto
25-9-31-12
  • 25-9-31-12
  • 3 total stops
  • 46h 50m 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 September 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

Fri 25-9

07:40-23:30

3 stops46h 50m

Porto

Wed 31-12

00:00-07:00

Nonstop0h 00m

HK$4,062

Hong KongPorto

HKG Hong Kong Intl - OPO Porto

HKGOPO

Hong Kong Intl

Tue 5-1

12:55-07:40

3 stops50h 45m

Porto

Wed 31-12

00:00-07:00

Nonstop0h 00m

HK$4,595

Hong KongPorto

HKG Hong Kong Intl - OPO Porto

HKGOPO

Hong Kong Intl

Mon 19-10

23:05-11:25

1 stop19h 20m

Porto

Tue 27-10

12:35-16:30

1 stop19h 55m

HK$5,112

Hong KongPorto

HKG Hong Kong Intl - OPO Porto

HKGOPO

Hong Kong Intl

Mon 12-10

23:05-11:25

1 stop19h 20m

Porto

Wed 21-10

06:00-15:20

1 stop26h 20m

HK$5,112

Hong KongPorto

HKG Hong Kong Intl - OPO Porto

HKGOPO

Hong Kong Intl

Thu 5-11

23:30-07:50

1 stop40h 20m

Porto

Thu 12-11

10:00-17:35

2 stops23h 35m

HK$5,269

Hong KongPorto

HKG Hong Kong Intl - OPO Porto

HKGOPO

Hong Kong Intl

Thu 22-10

23:05-19:10

2 stops27h 05m

Porto

Thu 29-10

10:00-17:35

2 stops23h 35m

HK$5,536

Hong KongPorto

HKG Hong Kong Intl - OPO Porto

HKGOPO

Hong Kong Intl

Mon 28-12

19:35-19:20

2 stops31h 45m

Porto

Tue 12-1

11:35-08:30

2 stops36h 55m

HK$5,928

Hong KongPorto

HKG Hong Kong Intl - OPO Porto

HKGOPO

Hong Kong Intl

Tue 22-9

23:05-11:25

1 stop19h 20m

Porto

Tue 29-9

14:35-16:35

2 stops19h 00m

HK$6,673

Hong KongPorto

HKG Hong Kong Intl - OPO Porto

HKGOPO

Hong Kong Intl

Thu 22-10

20:15-15:30

3 stops26h 15m

Porto

Thu 29-10

05:00-12:05

3 stops23h 05m

HK$7,136

Hong KongPorto

HKG Hong Kong Intl - OPO Porto

HKGOPO

Hong Kong Intl

Wed 9-12

09:45-15:25

1 stop37h 40m

Porto

Tue 29-12

10:55-08:05

1 stop37h 10m

HK$7,198

Flights are sorted by cheapest return flights first.

Deals found on 8-9

Showing 1-10 of 12 resultsSorted by cheapest first
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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 23 hours 15 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.

  • 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

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