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$339+ 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 11/30. Fares are subject to change and may not be available on all flights or dates of travel.
GRU — OPO
Nov 21 — Nov 281
Fri 11/21
Fri 11/28
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

Find 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 October 22, 2025.

This Gotogate deal was found by Cheapflights users on 10/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/93:05 pmGRU - OPO
1 stop21h 10mAir Europa
Fri 2/2711:35 amOPO - GRU
1 stop21h 55mAir Europa
Deal found 10/20$666
This Air Europa deal was found by Cheapflights users on 10/20. 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 12/103:05 pmGRU - OPO
1 stop21h 10mAir Europa
Tue 3/1011:35 amOPO - GRU
1 stop21h 55mAir Europa
Deal found 10/20$673
This Lufthansa deal was found by Cheapflights users on 10/20. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/710:10 pmGRU - OPO
1 stop22h 30mMultiple Airlines
Mon 11/249:10 amOPO - GRU
2 stops24h 35mMultiple Airlines
Deal found 10/20$674
This SWISS deal was found by Cheapflights users on 10/19. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/87:20 pmGRU - OPO
1 stop20h 15mSWISS
Mon 11/2412:05 pmOPO - GRU
1 stop21h 40mSWISS
Deal found 10/19$675
This British Airways deal was found by Cheapflights users on 10/21. 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 11/217:30 amGRU - OPO
2 stops32h 30mBritish Airways
Fri 12/58:20 amOPO - GRU
1 stop13h 15mBritish Airways
Deal found 10/21$683
This FlightHub deal was found by Cheapflights users on 10/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/204:20 pmGRU - OPO
1 stop17h 55mTAP AIR PORTUGAL
Sun 11/306:00 pmOPO - GRU
1 stop28h 55mTAP AIR PORTUGAL
Deal found 10/22$684
This British Airways deal was found by Cheapflights users on 10/20. 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 11/214:25 pmGRU - OPO
1 stop23h 35mBritish Airways
Mon 12/18:40 pmOPO - GRU
1 stop13h 25mBritish Airways
Deal found 10/20$688
This British Airways deal was found by Cheapflights users on 10/20. 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 11/53:15 pmGRU - OPO
1 stop13h 25mIberia
Thu 11/138:20 amOPO - GRU
1 stop13h 15mIberia
Deal found 10/20$690
This Lufthansa deal was found by Cheapflights users on 10/22. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/106:45 pmGRU - OPO
1 stop17h 10mMultiple Airlines
Mon 11/249:10 amOPO - GRU
2 stops24h 35mMultiple Airlines
Deal found 10/22$693
This British Airways deal was found by Cheapflights users on 10/21. 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 11/214:25 pmGRU - OPO
1 stop23h 35mBritish Airways
Thu 12/48:40 pmOPO - GRU
1 stop24h 55mBritish Airways
Deal found 10/21$694

Cheap 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 October 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$666
(Gotogate)

One-way from

$339
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$778

Good round-trip deal

$704 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 ($99 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 22, 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

Tue 10/28

2:50 pm-3:25 pm

1 stop21h 35m

Porto

Tue 11/18

9:55 am-7:00 pm

1 stop36h 05m

$716

Sao PauloPorto

GRU - OPO

GRUOPO

Sao Paulo Guarulhos Intl

Tue 10/28

2:50 pm-10:25 pm

1 stop28h 35m

Porto

Wed 11/26

11:25 am-6:25 pm

1 stop34h 00m

$720

Sao PauloPorto

GRU - OPO

GRUOPO

Sao Paulo Guarulhos Intl

Mon 11/3

8:59 pm-3:25 pm

1 stop15h 26m

Porto

Fri 11/14

11:20 am-8:10 am

2 stops47h 50m

$735

Sao PauloPorto

GRU - OPO

GRUOPO

Sao Paulo Guarulhos Intl

Wed 11/5

3:15 pm-4:00 pm

1 stop21h 45m

Porto

Thu 11/20

4:40 pm-7:05 am

1 stop17h 25m

$751

Sao PauloPorto

GRU - OPO

GRUOPO

Sao Paulo Guarulhos Intl

Thu 11/20

8:59 pm-10:30 am

1 stop34h 31m

Porto

Sun 11/30

11:25 am-10:05 pm

2 stops37h 40m

$799

Sao PauloPorto

GRU - OPO

GRUOPO

Sao Paulo Guarulhos Intl

Sun 11/30

1:30 am-6:50 am

2 stops26h 20m

Porto

Tue 12/30

6:00 pm-4:00 pm

2 stops25h 00m

$801

Sao PauloPorto

GRU - OPO

GRUOPO

Sao Paulo Guarulhos Intl

Tue 11/4

2:50 pm-10:25 pm

1 stop28h 35m

Porto

Tue 11/11

9:55 am-7:00 pm

1 stop36h 05m

$824

Sao PauloPorto

GRU - OPO

GRUOPO

Sao Paulo Guarulhos Intl

Fri 11/7

3:05 pm-3:15 pm

1 stop21h 10m

Porto

Fri 11/14

11:35 am-8:00 am

2 stops23h 25m

$825

Sao PauloPorto

GRU - OPO

GRUOPO

Sao Paulo Guarulhos Intl

Tue 11/4

11:15 pm-3:00 pm

1 stop12h 45m

Porto

Mon 11/24

2:40 pm-10:30 pm

Nonstop10h 50m

$852

Sao PauloPorto

GRU - OPO

GRUOPO

Sao Paulo Guarulhos Intl

Mon 10/27

12:05 am-1:15 pm

Nonstop10h 10m

Porto

Tue 2/24

6:55 am-7:55 pm

1 stop16h 00m

$852

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/21

Showing 1-10 of 24 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 October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
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 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 October 17, 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 $603). Flying from Sao Paulo Guarulhos Intl Airport to Porto in July 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 October 22, 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 October 22, 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
2,027 reviews

Boarding

7.0

Comfort

7.1

Food

6.2

Entertainment

6.3

Overall

7.1

Crew

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

MAD - LIS

Like the onboard attendants I don’t like that they change gate at the last minute And neither the way to get to the airplane by bus, I understand is not airline issue
TAP AIR PORTUGAL
7.1
Good
2,027 reviews
TAP AIR PORTUGAL
7.1
Good
2,027 reviews

Boarding

7.0

Comfort

7.1

Food

6.2

Entertainment

6.3

Overall

7.1

Crew

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

MAD - LIS

Like the onboard attendants I don’t like that they change gate at the last minute And neither the way to get to the airplane by bus, I understand is not airline issue
Air Europa
7.0
Good
569 reviews
TAP AIR PORTUGAL
7.1
Good
2,027 reviews

Boarding

7.0

Comfort

7.1

Food

6.2

Entertainment

6.3

Overall

7.1

Crew

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

MAD - LIS

Like the onboard attendants I don’t like that they change gate at the last minute And neither the way to get to the airplane by bus, I understand is not airline issue
Iberia
7.0
Good
2,996 reviews
TAP AIR PORTUGAL
7.1
Good
2,027 reviews

Boarding

7.0

Comfort

7.1

Food

6.2

Entertainment

6.3

Overall

7.1

Crew

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

MAD - LIS

Like the onboard attendants I don’t like that they change gate at the last minute And neither the way to get to the airplane by bus, I understand is not airline issue

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 21h 35m. KLM provides one of the quickest options available for as low as $716. 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 cheapest flights from Sao Paulo Guarulhos Intl Airport to Porto?

    Looking at all options, your cheapest flight can be booked for $694. While the most popular route (Sao Paulo Guarulhos Intl - Porto) can be booked for $723 on average, our data indicates $948 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 $603). Flying from Sao Paulo Guarulhos Intl Airport to Porto in July 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

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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 October 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$658Average$742FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$662Average$883FlexibilityNo cancel feeOn-timeN/A
Air EuropaCheapest$675Average$869FlexibilityNo cancel feeOn-time83%

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