HK$2,955+ Cheap flights to Porto

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.
— OPO
14 Aug — 21 Aug1
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
Explore the most affordable flight options available to Porto. Find the lowest fares based on data from user searches, with prices last updated on 15 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$4,664
Tue 3-1123:30
HKG
-
OPO
1 stop19h 45m
SWISS
Tue 17-1119:20
OPO
-
HKG
1 stop38h 15m
SWISS
Deal found 13-7HK$4,836
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$4,899
Mon 2-1123:30
HKG
-
OPO
1 stop27h 00m
SWISS
Tue 17-1119:20
OPO
-
HKG
1 stop38h 15m
SWISS
Deal found 13-7HK$5,001
Tue 3-1123:45
HKG
-
OPO
2 stops21h 05m
Multiple Airlines
Tue 17-1119:20
OPO
-
HKG
1 stop38h 15m
Multiple Airlines
Deal found 13-7HK$5,205
Mon 2-1123:30
HKG
-
OPO
1 stop27h 00m
SWISS
Wed 18-1114:10
OPO
-
HKG
2 stops19h 25m
SWISS
Deal found 13-7HK$5,267
Mon 2-1123:30
HKG
-
OPO
1 stop19h 45m
SWISS
Mon 16-1112:05
OPO
-
HKG
1 stop21h 30m
SWISS
Deal found 13-7HK$5,275
Tue 3-1123:30
HKG
-
OPO
2 stops21h 55m
SWISS
Wed 18-1114:10
OPO
-
HKG
2 stops19h 25m
SWISS
Deal found 13-7HK$5,534
Wed 4-1123:30
HKG
-
OPO
2 stops40h 25m
SWISS
Tue 17-1119:20
OPO
-
HKG
1 stop38h 15m
SWISS
Deal found 13-7HK$5,549

Find flight deals to Porto

Find the latest flights to Porto in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 70,647 searches and data was last updated on 15 July 2026.

Return from

HK$4,836

One-way from

HK$2,955

Popular in

December

Cheapest in

February

Average price

HK$10,009
SWISS
  • SWISS
  • 3-11-17-11
  • 2 total stops
  • 58h 00m total
  • Hong Kong to Porto
5-11
  • 5-11
  • 2 total stops
  • 42h 05m total
  • Hong Kong to Porto
Highest demand for flights based on searches. 8% potential increase in price (HK$795 potential increase over avg. return price).
Cheapest flight prices on average. 5% potential price decrease (HK$422 potential savings vs. average return price).
Average for return flights in July 2026

Cheapflights Fare Finder

 
Locate flights to Porto that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 70,647 searches and data was last updated on 15 July 2026.
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 - OPO

HKGOPO

Hong Kong Intl

Wed 18-11

19:35-06:45

2 stops43h 10m

Porto

Sun 22-11

11:35-08:30

2 stops36h 55m

HK$5,863

Hong KongPorto

HKG - OPO

HKGOPO

Hong Kong Intl

Fri 13-11

19:35-17:30

2 stops29h 55m

Porto

Tue 17-11

16:05-08:30

2 stops32h 25m

HK$5,910

Hong KongPorto

HKG - OPO

HKGOPO

Hong Kong Intl

Fri 6-11

19:35-11:00

2 stops23h 25m

Porto

Mon 16-11

07:35-08:30

2 stops40h 55m

HK$5,926

Hong KongPorto

HKG - OPO

HKGOPO

Hong Kong Intl

Fri 6-11

19:35-13:30

2 stops25h 55m

Porto

Sun 15-11

07:35-08:30

2 stops40h 55m

HK$5,926

Hong KongPorto

HKG - OPO

HKGOPO

Hong Kong Intl

Sat 21-11

23:45-11:45

1 stop20h 00m

Porto

Sun 29-11

12:05-17:35

1 stop21h 30m

HK$6,129

Hong KongPorto

HKG - OPO

HKGOPO

Hong Kong Intl

Thu 27-8

23:05-19:10

2 stops27h 05m

Porto

Thu 3-9

14:35-16:35

2 stops19h 00m

HK$6,529

Hong KongPorto

HKG - OPO

HKGOPO

Hong Kong Intl

Sat 21-11

23:30-17:35

2 stops26h 05m

Porto

Sun 29-11

12:05-17:35

1 stop21h 30m

HK$6,600

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$7,195
Fastest return journey

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$7,580

Hong KongPorto

HKG - OPO

HKGOPO

Hong Kong Intl

Sun 16-8

01:25-08:00

2 stops37h 35m

Porto

Sun 13-9

08:35-21:55

2 stops30h 20m

HK$8,018

Flights are sorted by cheapest return flights first.

Deals found on 14-7

Showing 1-10 of 20 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
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 to Porto

Rainfall in Porto by month

Plan your trip to Porto by taking into account the average rainfall totals 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

Plan your trip to Porto by taking into account the average temperature totals 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 17 hours 10 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$976.

  • How much is a return flight to Porto?

    A return flight to Porto will typically cost around HK$1,284, however they can be found for as little as HK$976.

  • 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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