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$396+ 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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
GRU — OPO
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Cheapflights Tip: The best prices from Sao Paulo Guarulhos Intl to Porto are usually found in November or February, booked 24 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 4, 2025.

This Air Europa deal was found by Cheapflights users on 12/2. 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 12/53:05 pmGRU - OPO
1 stop21h 10mAir Europa
Tue 3/34:05 pmOPO - GRU
1 stop17h 25mAir Europa
Deal found 12/2$719
This Air Europa deal was found by Cheapflights users on 12/2. 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 12/53:05 pmGRU - OPO
1 stop21h 10mAir Europa
Mon 3/27:35 amOPO - GRU
1 stop25h 55mAir Europa
Deal found 12/2$729
This British Airways deal was found by Cheapflights users on 12/4. 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 12/58:15 pmGRU - OPO
1 stop16h 45mIberia
Mon 3/28:20 amOPO - GRU
1 stop13h 40mIberia
Deal found 12/4$730
This British Airways deal was found by Cheapflights users on 12/3. 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 12/84:30 pmGRU - OPO
1 stop20h 30mIberia
Tue 3/108:40 pmOPO - GRU
1 stop13h 25mIberia
Deal found 12/3$731
This GOL deal was found by Cheapflights users on 12/2. 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.
Mon 12/88:40 pmGRU - OPO
1 stop34h 50mGOL
Tue 3/1011:15 amOPO - GRU
1 stop34h 45mGOL
Deal found 12/2$765
This KLM deal was found by Cheapflights users on 12/2. 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.
Tue 12/92:50 pmGRU - OPO
1 stop16h 40mKLM
Mon 3/305:00 amOPO - GRU
1 stop18h 50mKLM
Deal found 12/2$772
This KLM deal was found by Cheapflights users on 12/3. 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.
Thu 12/118:59 pmGRU - OPO
1 stop34h 31mKLM
Fri 1/235:00 amOPO - GRU
1 stop17h 00mKLM
Deal found 12/3$787
This GOL deal was found by Cheapflights users on 12/3. 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.
Fri 12/58:59 pmGRU - OPO
1 stop34h 31mGOL
Tue 3/311:25 amOPO - GRU
2 stops37h 40mGOL
Deal found 12/3$792
This GOL deal was found by Cheapflights users on 12/2. 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.
Fri 12/58:59 pmGRU - OPO
1 stop15h 26mGOL
Mon 3/211:25 amOPO - GRU
2 stops37h 30mGOL
Deal found 12/2$796

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 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$705
(FlightHub)

One-way from

$396
(SmartFares)

Popular in

July

Cheapest in

November

Average price

$983

Good round-trip deal

$814 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
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Highest demand for flights based on searches. 9% potential increase in price ($95 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 4, 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

3:45 pm-1:15 pm

2 stops18h 30m

Porto

Tue 5/12

4:35 pm-4:50 am

1 stop16h 15m

$731

Sao PauloPorto

GRU - OPO

GRUOPO

Sao Paulo Guarulhos Intl

Sat 2/28

8:15 pm-8:00 pm

1 stop20h 45m

Porto

Sat 3/7

8:20 am-6:35 pm

1 stop13h 15m

$747

Sao PauloPorto

GRU - OPO

GRUOPO

Sao Paulo Guarulhos Intl

Fri 2/6

11:15 pm-3:55 pm

1 stop13h 40m

Porto

Fri 2/13

10:00 am-7:55 pm

1 stop12h 55m

$796

Sao PauloPorto

GRU - OPO

GRUOPO

Sao Paulo Guarulhos Intl

Tue 2/17

8:40 pm-10:25 pm

2 stops22h 45m

Porto

Fri 3/13

6:30 am-8:10 pm

1 stop16h 40m

$801

Sao PauloPorto

GRU - OPO

GRUOPO

Sao Paulo Guarulhos Intl

Wed 2/25

3:45 pm-1:15 pm

2 stops18h 30m

Porto

Thu 3/12

12:05 pm-6:45 am

1 stop21h 40m

$806

Sao PauloPorto

GRU - OPO

GRUOPO

Sao Paulo Guarulhos Intl

Fri 2/20

3:05 pm-6:50 am

1 stop12h 45m

Porto

Thu 3/12

11:35 am-6:30 am

1 stop21h 55m

$822

Sao PauloPorto

GRU - OPO

GRUOPO

Sao Paulo Guarulhos Intl

Thu 2/26

3:05 pm-6:50 am

1 stop12h 45m

Porto

Mon 3/16

11:35 am-8:10 am

2 stops23h 35m

$826

Sao PauloPorto

GRU - OPO

GRUOPO

Sao Paulo Guarulhos Intl

Thu 2/26

3:45 pm-2:45 pm

2 stops20h 00m

Porto

Tue 3/10

9:10 am-6:45 am

2 stops24h 35m

$849

Sao PauloPorto

GRU - OPO

GRUOPO

Sao Paulo Guarulhos Intl

Sun 3/1

3:05 pm-6:50 am

1 stop12h 45m

Porto

Sun 5/31

7:35 am-7:25 am

2 stops27h 50m

$865

Sao PauloPorto

GRU - OPO

GRUOPO

Sao Paulo Guarulhos Intl

Mon 2/2

12:05 am-1:15 pm

Nonstop10h 10m

Porto

Tue 2/24

10:05 am-7:55 pm

1 stop12h 50m

$928

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Showing 1-10 of 21 results
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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 November 28, 2025.

The best time to book flights from Sao Paulo Guarulhos Intl Airport to Porto is 24 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, February 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 4, 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 4, 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
2,081 reviews

Boarding

7.0

Crew

7.8

Food

6.2

Comfort

7.1

Entertainment

6.3

Overall

7.1

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
2,081 reviews
TAP AIR PORTUGAL
7.1
Good
2,081 reviews

Boarding

7.0

Crew

7.8

Food

6.2

Comfort

7.1

Entertainment

6.3

Overall

7.1

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
569 reviews
TAP AIR PORTUGAL
7.1
Good
2,081 reviews

Boarding

7.0

Crew

7.8

Food

6.2

Comfort

7.1

Entertainment

6.3

Overall

7.1

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
3,040 reviews
TAP AIR PORTUGAL
7.1
Good
2,081 reviews

Boarding

7.0

Crew

7.8

Food

6.2

Comfort

7.1

Entertainment

6.3

Overall

7.1

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 13h 40m. Lufthansa provides one of the quickest options available for as low as $796. 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 24% 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 $780. While the most popular route (Sao Paulo Guarulhos Intl - Porto) can be booked for $770 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, February 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 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$658Average$756FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$662Average$874FlexibilityNo cancel feeOn-timeN/A
Air EuropaCheapest$675Average$869FlexibilityNo cancel feeOn-time83%

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