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Guarulhos Intl

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

OPO — GRU
Feb 23 — Mar 21
Mon 2/23
Mon 3/2
1 adult, Economy
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Cheapflights Tip: The best prices from Porto to Sao Paulo Guarulhos Intl are usually found in March or February, booked 20 days in advance, depart on a Monday or Wednesday and return on a Wednesday

Find flight deals from Porto to Guarulhos Intl

Discover tips and strategies to find the most affordable flight options for your journey from Porto (OPO) to Guarulhos Intl (GRU). 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 January 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Popular in

December

Cheapest in

March

Average price

$863
Provider with most accurate pricing for Porto-Sao Paulo Guarulhos Intl flight deals.
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Provider most trusted by Cheapflights users for Porto-Sao Paulo Guarulhos Intl flights.
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Highest demand for flights based on searches. 6% potential increase in price ($59 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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  • Most accurate provider: When it comes to deals on Porto-Sao Paulo Guarulhos Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Porto-Sao Paulo Guarulhos Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Porto-Sao Paulo Guarulhos Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Porto-Sao Paulo Guarulhos Intl Airport 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 Porto-Sao Paulo Guarulhos Intl Airport 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 Porto to Guarulhos Intl

Have a flexible travel schedule? Discover the best time to fly to Guarulhos Intl from Porto 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 Porto to Sao Paulo Guarulhos Intl Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Porto to Guarulhos Intl. Price data was last updated on January 16, 2026.

The best time to book flights from Porto to Sao Paulo Guarulhos Intl Airport is 20 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 Porto to Sao Paulo Guarulhos Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Porto to Sao Paulo Guarulhos Intl Airport (average of $492). Flying from Porto to Sao Paulo Guarulhos Intl Airport in July is currently the most expensive (average of $807). 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 OPO to GRU?

Find hourly flight availability from Porto to Guarulhos Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 24, 2026.

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

Reviews of airlines servicing Guarulhos Intl

Get insights into the airlines that provide service to Guarulhos Intl. 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 Guarulhos Intl. Reviews last updated January 24, 2026.
Read through reviews of airlines operating flights from Porto to Sao Paulo Guarulhos Intl Airport, such as TAP AIR PORTUGAL and Air Europa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
TAP AIR PORTUGAL
7.1
Good
2,127 reviews

Entertainment

6.3

Food

6.2

Overall

7.1

Boarding

7.0

Comfort

7.1

Crew

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LIS - EWR

Both flights returning to newirk airport was delayed by over a hour with minimum early notification
TAP AIR PORTUGAL
7.1
Good
2,127 reviews
TAP AIR PORTUGAL
7.1
Good
2,127 reviews

Entertainment

6.3

Food

6.2

Overall

7.1

Boarding

7.0

Comfort

7.1

Crew

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LIS - EWR

Both flights returning to newirk airport was delayed by over a hour with minimum early notification
Air Europa
6.9
Okay
588 reviews
TAP AIR PORTUGAL
7.1
Good
2,127 reviews

Entertainment

6.3

Food

6.2

Overall

7.1

Boarding

7.0

Comfort

7.1

Crew

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LIS - EWR

Both flights returning to newirk airport was delayed by over a hour with minimum early notification

Related info for your journey

Find useful and relevant information for your journey from Porto to Guarulhos Intl. 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 from for flights from Porto to Sao Paulo Guarulhos Intl?

    Most people fly from Porto (OPO) if they book a flight from Porto to Sao Paulo Guarulhos Intl. On average, Porto has 0 outbound flights to Sao Paulo Guarulhos Intl per day from 2 airlines. Porto is conveniently located just 6.8 mi from Porto’s city center.

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

    Air Europa, at $591, was found to be the cheapest airline from Porto to Sao Paulo Guarulhos Intl Airport. An alternate airline flying to your destination would be TAP AIR PORTUGAL. Air Europa is currently priced 29% below the average price you’ll pay for this route.

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

    Before booking your flight to Sao Paulo Guarulhos Intl Airport from Porto, check out the most reliable airlines to get you to your destination on time: Azul (40%), TAP AIR PORTUGAL (40%), Ethiopian Air( 40%).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Porto to Guarulhos Intl 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 Porto to Sao Paulo Guarulhos Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Porto to Sao Paulo Guarulhos Intl Airport (average of $492). Flying from Porto to Sao Paulo Guarulhos Intl Airport in July is currently the most expensive (average of $807). 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.

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Alternative routes for Porto to Guarulhos Intl

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

Top 2 airlines flying from Porto to Guarulhos Intl

Discover the top 2 airlines that operate flights from Porto to Guarulhos Intl. 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 January 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air EuropaCheapest$591Average$752FlexibilityNo cancel feeOn-time83%
TAP AIR PORTUGALCheapest$669Average$1,147FlexibilityNo cancel feeOn-timeN/A

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