HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Porto

$433+ Cheap flights from Guarulhos Intl, Brazil (GRU) to Porto (OPO)

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 6/29. Fares are subject to change and may not be available on all flights or dates of travel.
GRU — OPO
May 19 — May 261
Tue 5/19
Tue 5/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Guarulhos Intl to Porto with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
Cheapflights Tip: The best prices from Sao Paulo Guarulhos Intl to Porto are usually found in November or March, booked 56 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap flight deals from Guarulhos Intl to Porto

Cheapest flights from Guarulhos Intl to Porto
Explore the most affordable flight options available from Guarulhos Intl to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 19, 2026.

This British Airways deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/263:10 pm
GRU
-
OPO
1 stop21h 50m
Iberia
Mon 11/28:40 pm
OPO
-
GRU
1 stop13h 25m
Iberia
Deal found 4/15$774
This British Airways deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/78:30 pm
GRU
-
OPO
1 stop16h 30m
Iberia
Mon 1/258:40 pm
OPO
-
GRU
1 stop13h 25m
Iberia
Deal found 4/16$776
This British Airways deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/284:25 pm
GRU
-
OPO
1 stop22h 25m
British Airways
Fri 11/138:20 am
OPO
-
GRU
1 stop13h 40m
British Airways
Deal found 4/15$779
This British Airways deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/224:25 pm
GRU
-
OPO
1 stop21h 15m
British Airways
Sun 12/612:25 pm
OPO
-
GRU
1 stop33h 35m
British Airways
Deal found 4/15$791
This Air Europa deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Europa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/281:50 pm
GRU
-
OPO
1 stop21h 25m
Air Europa
Tue 9/111:35 am
OPO
-
GRU
2 stops23h 50m
Air Europa
Deal found 4/19$792
This British Airways deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/168:30 pm
GRU
-
OPO
2 stops42h 15m
British Airways
Thu 12/38:20 am
OPO
-
GRU
1 stop13h 40m
British Airways
Deal found 4/15$794
This Air Europa deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Europa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/241:50 pm
GRU
-
OPO
1 stop13h 00m
Air Europa
Sun 8/3011:35 am
OPO
-
GRU
2 stops31h 00m
Air Europa
Deal found 4/17$795
This British Airways deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/112:10 pm
GRU
-
OPO
2 stops49h 55m
British Airways
Mon 11/28:40 pm
OPO
-
GRU
1 stop13h 25m
British Airways
Deal found 4/15$802
This Air Europa deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Europa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/301:50 pm
GRU
-
OPO
1 stop13h 00m
Air Europa
Mon 9/78:10 pm
OPO
-
GRU
2 stops54h 10m
Air Europa
Deal found 4/19$804
This British Airways deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/238:30 pm
GRU
-
OPO
2 stops42h 15m
British Airways
Tue 12/812:25 pm
OPO
-
GRU
1 stop33h 35m
British Airways
Deal found 4/15$805
This Air Europa deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Europa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/291:50 pm
GRU
-
OPO
1 stop13h 00m
Air Europa
Tue 9/14:05 pm
OPO
-
GRU
1 stop17h 20m
Air Europa
Deal found 4/19$809

Find flight deals from Guarulhos Intl to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Guarulhos Intl (GRU) 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 April 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$795
(Air Europa)

One-way from

$433
(CheapOair)

Popular in

June

Cheapest in

November

Average price

$903

Good round-trip deal

$864 or less
Provider with most accurate pricing for Sao Paulo Guarulhos Intl-Porto flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sao Paulo Guarulhos Intl-Porto flights.
Search Deals
From Sao Paulo Guarulhos Intl to Porto
Search Deals
One-way flight from Sao Paulo Guarulhos Intl to Porto
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($110 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Sao Paulo Guarulhos Intl to Porto.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Guarulhos Intl 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 2,558,603 searches. Data last updated April 19, 2026.
Use the filters below to find and compare flights from Sao Paulo Guarulhos Intl Airport to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Sao PauloPorto

GRU - OPO

GRUOPO

Sao Paulo Guarulhos Intl

Sat 5/9

11:20 pm-7:20 pm

2 stops40h 00m

Porto

Wed 5/20

11:35 am-5:25 am

1 stop21h 50m

$1,059

Sao PauloPorto

GRU - OPO

GRUOPO

Sao Paulo Guarulhos Intl

Sat 10/10

8:45 pm-5:00 pm

1 stop16h 15m

Porto

Sun 10/25

8:00 pm-6:50 am

1 stop13h 50m

$1,127

Sao PauloPorto

GRU - OPO

GRUOPO

Sao Paulo Guarulhos Intl

Thu 6/18

3:30 pm-9:10 am

1 stop13h 40m

Porto

Thu 7/2

10:00 am-7:15 pm

1 stop13h 15m

$1,175

Sao PauloPorto

GRU - OPO

GRUOPO

Sao Paulo Guarulhos Intl

Sat 5/9

8:55 pm-11:05 am

Nonstop10h 10m

Porto

Wed 5/20

9:00 am-6:35 pm

1 stop13h 35m

$1,225

Sao PauloPorto

GRU - OPO

GRUOPO

Sao Paulo Guarulhos Intl

Tue 6/2

8:55 pm-11:05 am

Nonstop10h 10m

Porto

Sat 6/13

10:00 am-6:45 pm

1 stop12h 45m

$1,225

Sao PauloPorto

GRU - OPO

GRUOPO

Sao Paulo Guarulhos Intl

Sat 10/10

11:50 pm-3:15 pm

2 stops35h 25m

Porto

Sun 10/25

11:35 am-7:25 am

2 stops22h 50m

$1,236

Sao PauloPorto

GRU - OPO

GRUOPO

Sao Paulo Guarulhos Intl

Mon 5/18

3:30 pm-9:00 am

1 stop13h 30m

Porto

Thu 6/18

12:35 pm-7:10 pm

Nonstop10h 35m

$1,245

Sao PauloPorto

GRU - OPO

GRUOPO

Sao Paulo Guarulhos Intl

Thu 9/10

1:50 pm-3:15 pm

1 stop21h 25m

Porto

Mon 9/28

8:10 pm-10:20 pm

2 stops54h 10m

$1,246
Quickest round-trip

Sao PauloPorto

GRU - OPO

GRUOPO

Sao Paulo Guarulhos Intl

Sat 10/10

8:55 pm-11:05 am

Nonstop10h 10m

Porto

Sat 10/24

12:45 pm-7:20 pm

Nonstop10h 35m

$1,252

Sao PauloPorto

GRU - OPO

GRUOPO

Sao Paulo Guarulhos Intl

Fri 9/11

11:50 pm-3:15 pm

2 stops35h 25m

Porto

Mon 9/21

8:10 pm-10:20 pm

2 stops54h 10m

$1,261

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/18

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3
  • Most accurate provider: When it comes to deals on Sao Paulo Guarulhos Intl Airport-Porto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sao Paulo Guarulhos Intl Airport-Porto flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sao Paulo Guarulhos Intl Airport-Porto flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sao Paulo Guarulhos Intl Airport-Porto flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sao Paulo Guarulhos Intl Airport-Porto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Guarulhos Intl to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Guarulhos Intl with our price prediction graph.
Estimated round-trip 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 Sao Paulo Guarulhos Intl Airport to Porto

How far ahead should I book a flight from Sao Paulo Guarulhos Intl Airport to Porto?

Use this chart to determine the optimal time to book a round-trip flight from Guarulhos Intl to Porto. Price data was last updated on April 10, 2026.

The best time to book flights from Sao Paulo Guarulhos Intl Airport to Porto is 56 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Sao Paulo Guarulhos Intl Airport to Porto?

Currently, November is the cheapest month in which you can book a flight from Sao Paulo Guarulhos Intl Airport to Porto (average of $721). Flying from Sao Paulo Guarulhos Intl Airport to Porto in June is currently the most expensive (average of $1,080). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from GRU to OPO?

Find hourly flight availability from Guarulhos Intl to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 19, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Sao Paulo Guarulhos Intl Airport to Porto as you normally would.

How much does it cost to fly round-trip from Sao Paulo Guarulhos Intl Airport to Porto?

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto. Reviews last updated April 19, 2026.
See what other customers who have flown with TAP AIR PORTUGAL and Iberia from Sao Paulo Guarulhos Intl Airport to Porto have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
TAP AIR PORTUGAL
7.1
Good
2,210 reviews

Boarding

7.0

Overall

7.1

Comfort

7.1

Entertainment

6.3

Crew

7.8

Food

6.2

Reviews

1 / 20
8.0
Excellent

Michael,Dec 2025

FNC - LIS

Long wait standing after checking in at the gate Limited juice selection.
TAP AIR PORTUGAL
7.1
Good
2,210 reviews
TAP AIR PORTUGAL
7.1
Good
2,210 reviews

Boarding

7.0

Overall

7.1

Comfort

7.1

Entertainment

6.3

Crew

7.8

Food

6.2

Reviews

1 / 20
8.0
Excellent

Michael,Dec 2025

FNC - LIS

Long wait standing after checking in at the gate Limited juice selection.
Iberia
7.0
Good
3,182 reviews
TAP AIR PORTUGAL
7.1
Good
2,210 reviews

Boarding

7.0

Overall

7.1

Comfort

7.1

Entertainment

6.3

Crew

7.8

Food

6.2

Reviews

1 / 20
8.0
Excellent

Michael,Dec 2025

FNC - LIS

Long wait standing after checking in at the gate Limited juice selection.

Related info for your journey

Find useful and relevant information for your journey from Guarulhos Intl to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Porto from Sao Paulo Guarulhos Intl?

    For a flight from Sao Paulo Guarulhos Intl to Porto, you will be flying into Porto. Porto (OPO) is just 6.8 mi from the center of the city. Porto is the only Porto airport and it handles 0 inbound flights from Sao Paulo Guarulhos Intl per day. 2 airlines have flights to Porto from Sao Paulo Guarulhos Intl on a regular basis.

  • How long is the flight from Sao Paulo Guarulhos Intl Airport to Porto?

    A quick flight from Sao Paulo Guarulhos Intl Airport to Porto can take about 16h 15m. Air Europa provides one of the quickest options available for as low as $1,127. The distance between Sao Paulo Guarulhos Intl Airport and Porto is about 5079 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Sao Paulo Guarulhos Intl Airport to Porto round-trip?

    Currently priced at $658, Iberia will fly you from Sao Paulo Guarulhos Intl Airport to Porto and back. In addition to Iberia, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on TAP AIR PORTUGAL for as low as $662. Iberia is priced at 27% lower than the current average price of a flight leaving 3 months from now.

  • What are the most reliable airlines from Sao Paulo Guarulhos Intl Airport to Porto?

    Before booking your flight to Porto from Sao Paulo Guarulhos Intl Airport, check out the most reliable airlines to get you to your destination on time: Azul (83%), TAP AIR PORTUGAL (81%), Ethiopian Air( 67%).

  • What are the cheapest flights from Sao Paulo Guarulhos Intl Airport to Porto?

    Looking at all options, your cheapest flight can be booked for $864. While the most popular route (Sao Paulo Guarulhos Intl - Porto) can be booked for $928 on average, our data indicates $1,236 when flying from Sao Paulo Guarulhos Intl Airport to Porto.

  • Can I find deals for flights from Guarulhos Intl to Porto that include hotel bookings?

    Yes. In addition to deals on Guarulhos Intl to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Guarulhos Intl to Porto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Guarulhos Intl to Porto.

  • Can I find deals for business class flights from Guarulhos Intl to Porto?

    Yes. Cheapflights offers flight deals from Guarulhos Intl 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.

  • What is the cheapest month to book a flight from Sao Paulo Guarulhos Intl Airport to Porto?

    Currently, November is the cheapest month in which you can book a flight from Sao Paulo Guarulhos Intl Airport to Porto (average of $721). Flying from Sao Paulo Guarulhos Intl Airport to Porto in June is currently the most expensive (average of $1,080). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Vila Nova de Gaia
Aveiro
Arcos de Valdevez
Coimbra

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 Guarulhos Intl to Porto

See prices for flight routes from nearby airports that may be better suited for you.
Guarulhos Intl to Lisbon flights

Top 2 airlines flying from Guarulhos Intl to Porto

Discover the top 2 airlines that operate flights from Guarulhos Intl to Porto. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$658Average$778FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$662Average$977FlexibilityNo cancel feeOn-timeN/A

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.