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$455+ 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 11/29. Fares are subject to change and may not be available on all flights or dates of travel.
GRU — OPO
Sep 3 — Sep 101
Thu 9/3
Thu 9/10
1 adult, Economy
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Cheapflights Tip: The best prices from Sao Paulo Guarulhos Intl to Porto are usually found in March or November, booked 42 days in advance, depart on a Monday 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 August 4, 2026.

This Lufthansa deal was found by Cheapflights users on 8/2. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/33:45 pm
GRU
-
OPO
2 stops18h 05m
Lufthansa
Tue 11/1012:35 pm
OPO
-
GRU
2 stops20h 50m
Lufthansa
Deal found 8/2$849
This Lufthansa deal was found by Cheapflights users on 7/31. 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 8/108:50 pm
GRU
-
OPO
1 stop22h 35m
Lufthansa
Mon 8/246:20 am
OPO
-
GRU
1 stop16h 35m
Lufthansa
Deal found 7/31$850
This Air Europa deal was found by Cheapflights users on 7/30. 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 11/33:05 pm
GRU
-
OPO
1 stop21h 10m
Air Europa
Sat 11/284:05 pm
OPO
-
GRU
1 stop17h 25m
Air Europa
Deal found 7/30$851
This Expedia deal was found by Cheapflights users on 7/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1310:40 pm
GRU
-
OPO
1 stop15h 20m
Multiple Airlines
Sun 11/227:35 am
OPO
-
GRU
1 stop16h 00m
Multiple Airlines
Deal found 7/31$852
This KLM deal was found by Cheapflights users on 7/30. 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 11/18:59 pm
GRU
-
OPO
1 stop15h 26m
Multiple Airlines
Fri 11/205:55 am
OPO
-
GRU
1 stop15h 30m
Multiple Airlines
Deal found 7/30$853
This SWISS deal was found by Cheapflights users on 7/30. 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.
Tue 11/37:25 pm
GRU
-
OPO
1 stop36h 50m
SWISS
Thu 11/1910:00 am
OPO
-
GRU
2 stops23h 40m
SWISS
Deal found 7/30$854
This British Airways deal was found by Cheapflights users on 7/31. 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 11/18:30 pm
GRU
-
OPO
1 stop20h 30m
Iberia
Fri 11/208:40 pm
OPO
-
GRU
1 stop13h 25m
Iberia
Deal found 7/31$855
This Air France deal was found by Cheapflights users on 8/3. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:35 pm
GRU
-
OPO
1 stop22h 25m
Air France
Sat 10/105:55 am
OPO
-
GRU
1 stop15h 25m
Air France
Deal found 8/3$857
This Lufthansa deal was found by Cheapflights users on 8/3. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/278:40 pm
GRU
-
OPO
2 stops22h 45m
Lufthansa
Tue 11/312:35 pm
OPO
-
GRU
2 stops20h 50m
Lufthansa
Deal found 8/3$858
This Air Europa deal was found by Cheapflights users on 7/30. 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.
Sat 11/212:25 pm
GRU
-
OPO
2 stops21h 50m
Air Europa
Sat 11/288:10 pm
OPO
-
GRU
1 stop13h 20m
Air Europa
Deal found 7/30$859
This Air Europa deal was found by Cheapflights users on 7/31. 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.
Sun 10/181:50 pm
GRU
-
OPO
1 stop13h 00m
Air Europa
Thu 10/298:10 pm
OPO
-
GRU
1 stop13h 20m
Air Europa
Deal found 7/31$860

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 August 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$849
(Lufthansa)

One-way from

$455
(OneTravel)

Popular in

September

Cheapest in

March

Average price

$1,003

Good round-trip deal

$847 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.
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. 5% potential increase in price ($58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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 August 4, 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
Quickest round-trip

Sao PauloPorto

GRU - OPO

GRUOPO

Sao Paulo Guarulhos Intl

Sun 11/1

3:05 pm-6:45 am

1 stop12h 40m

Porto

Sun 11/29

8:10 pm-6:30 am

1 stop13h 20m

$849

Sao PauloPorto

GRU - OPO

GRUOPO

Sao Paulo Guarulhos Intl

Sat 11/21

2:25 pm-3:15 pm

2 stops21h 50m

Porto

Sat 11/28

8:10 pm-6:30 am

1 stop13h 20m

$859

Sao PauloPorto

GRU - OPO

GRUOPO

Sao Paulo Guarulhos Intl

Sun 11/1

8:59 pm-10:30 pm

1 stop22h 31m

Porto

Sun 11/29

5:00 am-9:25 pm

2 stops19h 25m

$868

Sao PauloPorto

GRU - OPO

GRUOPO

Sao Paulo Guarulhos Intl

Sun 11/8

1:55 pm-10:35 am

2 stops17h 40m

Porto

Fri 11/20

5:00 am-6:40 pm

1 stop16h 40m

$889

Sao PauloPorto

GRU - OPO

GRUOPO

Sao Paulo Guarulhos Intl

Thu 10/29

3:05 pm-3:15 pm

1 stop21h 10m

Porto

Mon 11/9

8:10 pm-12:25 pm

2 stops43h 15m

$904

Sao PauloPorto

GRU - OPO

GRUOPO

Sao Paulo Guarulhos Intl

Thu 11/5

3:05 pm-3:15 pm

1 stop21h 10m

Porto

Mon 11/16

4:05 pm-12:25 pm

2 stops47h 20m

$905

Sao PauloPorto

GRU - OPO

GRUOPO

Sao Paulo Guarulhos Intl

Sat 11/7

3:10 pm-7:40 am

1 stop13h 30m

Porto

Sat 11/14

8:40 pm-7:00 pm

1 stop25h 20m

$911

Sao PauloPorto

GRU - OPO

GRUOPO

Sao Paulo Guarulhos Intl

Fri 8/14

9:45 pm-10:15 pm

1 stop20h 30m

Porto

Sun 8/23

6:30 am-1:05 am

2 stops22h 35m

$976

Sao PauloPorto

GRU - OPO

GRUOPO

Sao Paulo Guarulhos Intl

Wed 8/19

9:45 pm-10:15 pm

1 stop20h 30m

Porto

Wed 9/16

5:00 am-7:50 pm

1 stop18h 50m

$1,053
Cheapest one-way

Sao PauloPorto

GRU - OPO

GRUOPO

Sao Paulo Guarulhos Intl

Sun 10/4

1:50 pm-3:15 pm

1 stop21h 25m

$634

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/3

Showing 1-10 of 15 resultsSorted by cheapest first
1
2
  • 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?

The best time to book flights from Sao Paulo Guarulhos Intl Airport to Porto is 41 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, March is the cheapest month in which you can book a flight from Sao Paulo Guarulhos Intl Airport to Porto (average of $740). Flying from Sao Paulo Guarulhos Intl Airport to Porto in September is currently the most expensive (average of $1,182). 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 August 4, 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?

Airfare is below average for this route at the moment.

Sao Paulo Guarulhos Intl Airport to Porto flights typically cost between $882 and $1,138 in November.
The cheapest round-trip price found within the last 5 days was $849 on Lufthansa (Nov 3-Nov 10).

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 August 4, 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
7.2
Good
2,354 reviews

Boarding

7.0

Food

6.3

Comfort

7.1

Crew

7.8

Overall

7.2

Entertainment

6.4

Reviews

1 / 20
4.0
Okay

Bhairav,Jun 2026

LHR - LIS

Flew business. Uncomfortable seats and so so food and drink. Only thing attractive was the price.
TAP AIR PORTUGAL
7.2
Good
2,354 reviews
TAP AIR PORTUGAL
7.2
Good
2,354 reviews

Boarding

7.0

Food

6.3

Comfort

7.1

Crew

7.8

Overall

7.2

Entertainment

6.4

Reviews

1 / 20
4.0
Okay

Bhairav,Jun 2026

LHR - LIS

Flew business. Uncomfortable seats and so so food and drink. Only thing attractive was the price.
Iberia
7.0
Good
3,266 reviews
TAP AIR PORTUGAL
7.2
Good
2,354 reviews

Boarding

7.0

Food

6.3

Comfort

7.1

Crew

7.8

Overall

7.2

Entertainment

6.4

Reviews

1 / 20
4.0
Okay

Bhairav,Jun 2026

LHR - LIS

Flew business. Uncomfortable seats and so so food and drink. Only thing attractive was the price.

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 13h 30m. Air Europa provides one of the quickest options available for as low as $911. 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 $656, 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 $704. Iberia is priced at 31% 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 $847. While the most popular route (Sao Paulo Guarulhos Intl - Porto) can be booked for $834 on average, our data indicates $881 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, March is the cheapest month in which you can book a flight from Sao Paulo Guarulhos Intl Airport to Porto (average of $740). Flying from Sao Paulo Guarulhos Intl Airport to Porto in September is currently the most expensive (average of $1,182). 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
Arcos de Valdevez
Coimbra
Aveiro

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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 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 August 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$656Average$882FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$704Average$1,095FlexibilityNo cancel feeOn-timeN/A

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