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$530+ 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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
GRU — OPO
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Sao Paulo Guarulhos Intl to Porto are usually found in November or February, booked 87 days in advance, depart on a Wednesday or Tuesday 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 December 12, 2025.

This British Airways deal was found by Cheapflights users on 12/10. 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 12/148:15 pmGRU - OPO
1 stop16h 45mIberia
Wed 12/318:20 amOPO - GRU
1 stop13h 15mIberia
Deal found 12/10$733
This British Airways deal was found by Cheapflights users on 12/11. 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 12/153:15 pmGRU - OPO
1 stop17h 30mIberia
Fri 1/238:20 amOPO - GRU
1 stop13h 15mIberia
Deal found 12/11$818
This KLM deal was found by Cheapflights users on 12/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/142:50 pmGRU - OPO
1 stop16h 40mKLM
Sat 3/711:15 amOPO - GRU
2 stops23h 00mKLM
Deal found 12/10$885
This British Airways deal was found by Cheapflights users on 12/9. 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 12/148:15 pmGRU - OPO
1 stop12h 30mIberia
Mon 12/298:40 pmOPO - GRU
1 stop13h 25mIberia
Deal found 12/9$929
This SWISS deal was found by Cheapflights users on 12/10. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/127:20 pmGRU - OPO
2 stops43h 15mSWISS
Thu 12/257:25 pmOPO - GRU
1 stop38h 20mSWISS
Deal found 12/10$934
This British Airways deal was found by Cheapflights users on 12/11. 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 12/178:15 pmGRU - OPO
1 stop12h 30mIberia
Wed 2/48:20 amOPO - GRU
1 stop13h 15mIberia
Deal found 12/11$939
This GOL deal was found by Cheapflights users on 12/10. 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 GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/142:50 pmGRU - OPO
1 stop16h 40mGOL
Wed 12/3111:25 amOPO - GRU
2 stops37h 30mGOL
Deal found 12/10$946
This KLM deal was found by Cheapflights users on 12/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/248:59 pmGRU - OPO
1 stop37h 21mMultiple Airlines
Mon 1/1911:25 amOPO - GRU
1 stop34h 00mMultiple Airlines
Deal found 12/10$950
This British Airways deal was found by Cheapflights users on 12/10. 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.
Fri 12/198:15 pmGRU - OPO
1 stop16h 45mIberia
Fri 1/238:20 amOPO - GRU
1 stop13h 15mIberia
Deal found 12/10$973

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$710
(British Airways)

One-way from

$530
(United Airlines)

Popular in

July

Cheapest in

November

Average price

$978

Good round-trip deal

$1,029 or less
Provider with most accurate pricing for Sao Paulo Guarulhos Intl-Porto flight deals.
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Provider most trusted by Cheapflights users for Sao Paulo Guarulhos Intl-Porto flights.
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From Sao Paulo Guarulhos Intl to Porto
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One-way flight from Sao Paulo Guarulhos Intl to Porto
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($97 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Price to beat on a round-trip flight from Sao Paulo Guarulhos Intl to Porto.
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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 December 12, 2025.
Use the filters below to find and compare flights from Sao Paulo Guarulhos Intl Airport to Porto that are best for you.

Fly from

Guarulhos Intl

Fly to

Porto

Route

Depart

Return

Price

Sao PauloPorto

GRU - OPO

GRUOPO

Sao Paulo Guarulhos Intl

Wed 2/18

3:15 pm-7:40 am

1 stop13h 25m

Porto

Wed 2/25

8:40 pm-7:05 am

1 stop13h 25m

$746

Sao PauloPorto

GRU - OPO

GRUOPO

Sao Paulo Guarulhos Intl

Tue 2/3

7:20 pm-11:15 am

1 stop36h 55m

Porto

Tue 4/28

2:35 pm-5:25 am

2 stops42h 50m

$758

Sao PauloPorto

GRU - OPO

GRUOPO

Sao Paulo Guarulhos Intl

Sat 2/7

11:15 pm-3:00 pm

1 stop12h 45m

Porto

Sat 2/14

1:00 pm-11:55 pm

1 stop13h 55m

$799

Sao PauloPorto

GRU - OPO

GRUOPO

Sao Paulo Guarulhos Intl

Mon 2/16

2:40 pm-10:30 am

1 stop16h 50m

Porto

Mon 2/23

11:25 am-9:55 pm

2 stops37h 30m

$807

Sao PauloPorto

GRU - OPO

GRUOPO

Sao Paulo Guarulhos Intl

Sun 3/29

6:30 pm-6:30 pm

1 stop20h 00m

Porto

Sun 4/5

2:35 pm-5:25 am

2 stops42h 50m

$807

Sao PauloPorto

GRU - OPO

GRUOPO

Sao Paulo Guarulhos Intl

Fri 5/1

7:20 pm-8:00 pm

1 stop20h 40m

Porto

Thu 5/14

8:20 am-5:50 pm

1 stop13h 30m

$814

Sao PauloPorto

GRU - OPO

GRUOPO

Sao Paulo Guarulhos Intl

Sat 6/6

11:50 pm-7:20 pm

2 stops39h 30m

Porto

Tue 6/16

4:05 pm-7:25 am

2 stops43h 20m

$864

Sao PauloPorto

GRU - OPO

GRUOPO

Sao Paulo Guarulhos Intl

Mon 5/11

12:45 am-7:00 pm

1 stop14h 15m

Porto

Tue 6/2

12:35 pm-7:10 pm

Nonstop10h 35m

$886

Sao PauloPorto

GRU - OPO

GRUOPO

Sao Paulo Guarulhos Intl

Mon 5/4

9:05 am-7:20 pm

2 stops30h 15m

Porto

Wed 5/20

11:35 am-5:25 am

1 stop21h 50m

$909

Sao PauloPorto

GRU - OPO

GRUOPO

Sao Paulo Guarulhos Intl

Fri 3/13

3:05 pm-10:50 am

1 stop16h 45m

Porto

Mon 3/23

7:35 am-2:35 pm

2 stops34h 00m

$909

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 20 results
1
2

Compare providers for flights from Guarulhos Intl to Porto

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Guarulhos Intl to Porto in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Sao Paulo Guarulhos Intl Airport-Porto flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Sao Paulo Guarulhos Intl Airport-Porto flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 December 5, 2025.

The best time to book flights from Sao Paulo Guarulhos Intl Airport to Porto is 87 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 $577). Flying from Sao Paulo Guarulhos Intl Airport to Porto in June is currently the most expensive (average of $729). 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 December 12, 2025.

It’s optimal to fly from Sao Paulo Guarulhos Intl Airport to Porto in the morning. By choosing this option you can save up to 62% on the cost of your flight, compared to a flight at noon.

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 December 12, 2025.
See what other customers who have flown with TAP AIR PORTUGAL, Air Europa, 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
2,089 reviews

Comfort

7.1

Crew

7.8

Overall

7.1

Entertainment

6.3

Food

6.2

Boarding

7.0

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
2,089 reviews
TAP AIR PORTUGAL
7.1
Good
2,089 reviews

Comfort

7.1

Crew

7.8

Overall

7.1

Entertainment

6.3

Food

6.2

Boarding

7.0

Reviews

1 / 20
8.0
Excellent

Michael,Dec 2025

FNC - LIS

Long wait standing after checking in at the gate Limited juice selection.
Air Europa
7.0
Good
571 reviews
TAP AIR PORTUGAL
7.1
Good
2,089 reviews

Comfort

7.1

Crew

7.8

Overall

7.1

Entertainment

6.3

Food

6.2

Boarding

7.0

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
3,045 reviews
TAP AIR PORTUGAL
7.1
Good
2,089 reviews

Comfort

7.1

Crew

7.8

Overall

7.1

Entertainment

6.3

Food

6.2

Boarding

7.0

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. 3 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 20h 25m. Iberia provides one of the quickest options available for as low as $710. 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. Search Cheapflights for deals from TAP AIR PORTUGAL and Air Europa - these airlines can fly you to your destination from $662 and $675, respectively. Iberia is priced at 25% 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 (69%), TAP AIR PORTUGAL (69%), Ethiopian Air( 50%).

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

    Looking at all options, your cheapest flight can be booked for $814. While the most popular route (Sao Paulo Guarulhos Intl - Porto) can be booked for $692 on average, our data indicates $1,162 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 $577). Flying from Sao Paulo Guarulhos Intl Airport to Porto in June is currently the most expensive (average of $729). 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
Aveiro
Arcos de Valdevez
Coimbra
Vila Nova de Gaia

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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 3 airlines flying from Guarulhos Intl to Porto

Discover the top 3 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$658Average$756FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$662Average$890FlexibilityNo cancel feeOn-timeN/A
Air EuropaCheapest$675Average$869FlexibilityNo cancel feeOn-time83%

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