$503+ 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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
GRU — OPO
Oct 2 — Oct 91
Round-trip
1 adult, Economy
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Find cheap flights from Guarulhos Intl to Porto with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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
Best
Last-minute
One-way
Cheapest flights from Guarulhos Intl to PortoExplore 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 September 2, 2026.
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 September 2, 2026.
This FlightHub deal was found by Cheapflights users on 8/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/312:25 am -
1 stop30h 50m
Fri 11/205:55 pm -
1 stop31h 30m
Deal found 8/30![Royal Air Maroc logo]()
$812
This SWISS deal was found by Cheapflights users on 8/30. 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.
Wed 11/47:25 pm -
1 stop36h 50m
Sat 11/2110:40 am -
2 stops47h 00m
Deal found 8/30![SWISS logo]()
$814
This SWISS deal was found by Cheapflights users on 8/28. 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.
Sun 11/87:25 pm -
1 stop36h 50m
Wed 11/182:10 pm -
2 stops43h 30m
Deal found 8/28![SWISS logo]()
$815
This SWISS deal was found by Cheapflights users on 8/28. 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 11/207:25 pm -
2 stops43h 10m
Sat 2/273:55 pm -
2 stops41h 45m
Deal found 8/28![SWISS logo]()
$816
This British Airways deal was found by Cheapflights users on 9/1. 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.
Tue 11/33:10 pm -
1 stop17h 35m
Sat 11/288:40 pm -
1 stop25h 20m
Deal found 9/1![Iberia logo]()
$817
This Air Europa deal was found by Cheapflights users on 8/31. 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.
Thu 10/221:50 pm -
1 stop17h 00m
Thu 11/511:35 am -
1 stop21h 55m
Deal found 8/31![Air Europa logo]()
$820
This SWISS deal was found by Cheapflights users on 9/1. 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.
Mon 11/97:25 pm -
1 stop36h 50m
Thu 11/2612:05 pm -
1 stop21h 35m
Deal found 9/1![SWISS logo]()
$821
This Booking.com deal was found by Cheapflights users on 8/31. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/21:30 am -
1 stop12h 30m
Tue 11/101:50 pm -
Nonstop10h 50m
Deal found 8/31![TAP AIR PORTUGAL logo]()
$822
This Air Europa deal was found by Cheapflights users on 9/1. 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 11/103:05 pm -
1 stop21h 10m
Fri 11/204:05 pm -
1 stop17h 25m
Deal found 9/1![Air Europa logo]()
$823
This Air Europa deal was found by Cheapflights users on 9/1. 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 11/203:05 pm -
1 stop12h 40m
Fri 11/2711:35 am -
1 stop21h 55m
Deal found 9/1![Air Europa logo]()
$824
This Air Europa deal was found by Cheapflights users on 8/31. 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.
Tue 10/201:50 pm -
1 stop21h 25m
Wed 11/48:10 pm -
1 stop13h 20m
Deal found 8/31![Air Europa logo]()
$825
This Air Europa deal was found by Cheapflights users on 9/1. 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.
Thu 11/53:05 pm -
1 stop21h 10m
Sun 11/224:05 pm -
1 stop17h 25m
Deal found 9/1![Air Europa logo]()
$826
Best flights from Guarulhos Intl to PortoDiscover carefully curated flight deals from Guarulhos Intl to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 2, 2026.
Discover carefully curated flight deals from Guarulhos Intl to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 2, 2026.
This Air Europa deal was found by Cheapflights users on 9/1. 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.
Thu 11/53:05 pm -
1 stop21h 10m
Mon 11/168:10 pm -
1 stop13h 20m
Deal found 9/1![Air Europa logo]()
$824
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/1. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/511:50 pm -
Nonstop10h 10m
Mon 11/1610:30 am -
1 stop16h 25m
Deal found 9/1![TAP AIR PORTUGAL logo]()
$918
This British Airways deal was found by Cheapflights users on 8/29. 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.
Tue 10/67:20 pm -
1 stop20h 40m
Sat 10/244:40 pm -
1 stop17h 15m
Deal found 8/29![Iberia logo]()
$1,060
This KLM deal was found by Cheapflights users on 8/28. 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.
Mon 11/308:59 pm -
1 stop22h 31m
Sat 12/125:00 am -
1 stop16h 50m
Deal found 8/28![KLM logo]()
$1,081
This Air Europa deal was found by Cheapflights users on 8/31. 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.
Fri 11/133:05 pm -
1 stop21h 10m
Fri 11/204:05 pm -
1 stop17h 25m
Deal found 8/31![Air Europa logo]()
$824
This Air Europa deal was found by Cheapflights users on 9/1. 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 11/213:05 pm -
1 stop21h 10m
Sat 11/2811:35 am -
1 stop21h 55m
Deal found 9/1![Air Europa logo]()
$824
This TAP AIR PORTUGAL deal was found by Cheapflights users on 8/28. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/68:55 pm -
Nonstop10h 10m
Sat 10/243:30 pm -
1 stop32h 25m
Deal found 8/28![TAP AIR PORTUGAL logo]()
$1,041
This Air Europa deal was found by Cheapflights users on 8/28. 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 11/73:05 pm -
1 stop16h 45m
Sat 11/144:05 pm -
1 stop17h 25m
Deal found 8/28![Air Europa logo]()
$870
This Air Europa deal was found by Cheapflights users on 8/31. 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.
Wed 10/141:50 pm -
1 stop13h 00m
Sat 10/247:35 am -
2 stops33h 05m
Deal found 8/31![Air Europa logo]()
$1,058
Last-minute flights from Guarulhos Intl to PortoDiscover last-minute flight deals from Guarulhos Intl to Porto. Data last updated September 2, 2026 and is based on user searches.
Discover last-minute flight deals from Guarulhos Intl to Porto. Data last updated September 2, 2026 and is based on user searches.
This KLM deal was found by Cheapflights users on 8/29. 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.
Mon 9/219:45 pm -
1 stop20h 30m
Sat 11/215:00 am -
1 stop16h 50m
Deal found 8/29![KLM logo]()
$835
This KLM deal was found by Cheapflights users on 8/28. 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.
Mon 10/199:45 pm -
1 stop20h 30m
Sun 11/155:00 am -
1 stop16h 50m
Deal found 8/28![KLM logo]()
$830
This Air Europa deal was found by Cheapflights users on 8/31. 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.
Tue 10/201:50 pm -
1 stop13h 00m
Wed 10/284:05 pm -
1 stop17h 25m
Deal found 8/31![Air Europa logo]()
$825
This Air Europa deal was found by Cheapflights users on 8/31. 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.
Thu 10/221:50 pm -
1 stop17h 00m
Thu 11/511:35 am -
1 stop21h 55m
Deal found 8/31![Air Europa logo]()
$820
This Air Europa deal was found by Cheapflights users on 9/1. 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.
Thu 10/221:50 pm -
1 stop21h 25m
Wed 10/2811:35 am -
1 stop21h 55m
Deal found 9/1![Air Europa logo]()
$823
This Air Europa deal was found by Cheapflights users on 8/31. 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.
Thu 10/221:50 pm -
1 stop17h 00m
Sat 11/74:05 pm -
1 stop17h 25m
Deal found 8/31![Air Europa logo]()
$824
This KLM deal was found by Cheapflights users on 8/31. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/229:45 pm -
1 stop20h 30m
Sun 11/155:00 am -
1 stop16h 50m
Deal found 8/31![KLM logo]()
$833
This Air Europa deal was found by Cheapflights users on 9/1. 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 10/253:05 pm -
1 stop25h 15m
Fri 11/204:05 pm -
1 stop17h 25m
Deal found 9/1![Air Europa logo]()
$832
This Air Europa deal was found by Cheapflights users on 9/1. 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.
Mon 10/263:05 pm -
1 stop12h 40m
Mon 11/911:35 am -
1 stop21h 55m
Deal found 9/1![Air Europa logo]()
$826
This Air Europa deal was found by Cheapflights users on 8/30. 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.
Thu 10/293:05 pm -
1 stop12h 40m
Sun 11/297:35 am -
1 stop25h 55m
Deal found 8/30![Air Europa logo]()
$812
This FlightHub deal was found by Cheapflights users on 8/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2911:50 pm -
Nonstop10h 10m
Mon 11/910:30 am -
1 stop16h 25m
Deal found 8/30![TAP AIR PORTUGAL logo]()
$836
One-way flights from Guarulhos Intl to PortoSearch for one-way flight options from Guarulhos Intl to Porto. Find affordable one-way fares based on user searches. Data last updated September 2, 2026.
Search for one-way flight options from Guarulhos Intl to Porto. Find affordable one-way fares based on user searches. Data last updated September 2, 2026.
This FlightHub deal was found by Cheapflights users on 8/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3112:25 am -
1 stop13h 30m
Deal found 8/31![Royal Air Maroc logo]()
$503
This Vueling Global deal was found by Cheapflights users on 9/1. 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 Vueling Global is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:10 pm -
1 stop15h 05m
Deal found 9/1![Multiple Airlines logo]()
$512
This Air Europa deal was found by Cheapflights users on 9/1. 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 10/131:50 pm -
1 stop13h 00m
Deal found 9/1![Air Europa logo]()
$514
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/51:00 pm -
2 stops42h 35m
Deal found 9/1![Multiple Airlines logo]()
$521
This Air Europa deal was found by Cheapflights users on 8/30. 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.
Sun 10/183:15 pm -
2 stops20h 00m
Deal found 8/30![Air Europa logo]()
$523
This Air Europa deal was found by Cheapflights users on 9/1. 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.
Thu 10/151:50 pm -
1 stop17h 00m
Deal found 9/1![Air Europa logo]()
$528
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/69:15 pm -
2 stops22h 35m
Deal found 9/1![Multiple Airlines logo]()
$534
This Air Europa deal was found by Cheapflights users on 9/1. 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 10/208:55 am -
2 stops26h 20m
Deal found 9/1![Air Europa logo]()
$537
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/411:30 pm -
2 stops35h 55m
Deal found 9/1![Multiple Airlines logo]()
$539
This Air Europa deal was found by Cheapflights users on 8/28. 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 10/61:50 pm -
1 stop17h 00m
Deal found 8/28![Air Europa logo]()
$572
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 September 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $812 (FlightHub) |
One-way from | $503 (FlightHub) |
Popular in | September |
Cheapest in | March |
Average price | $1,193 |
Good round-trip deal | $881 or less |
Good one-way deal | $605 or less |
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 7,457,451 searches. Data last updated September 2, 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
Cheapest round-trip
Sao PauloPorto
GRU Sao Paulo Guarulhos Intl - OPO Porto
GRUOPO
Sao Paulo Guarulhos Intl
Thu 11/5
3:05 pm-3:15 pm
1 stop21h 10m
Porto
Mon 11/16
8:10 pm-6:30 am
1 stop13h 20m
$824
Sao PauloPorto
GRU Sao Paulo Guarulhos Intl - OPO Porto
GRUOPO
Sao Paulo Guarulhos Intl
Fri 11/13
3:05 pm-3:15 pm
1 stop21h 10m
Porto
Fri 11/20
4:05 pm-6:30 am
1 stop17h 25m
$824
Sao PauloPorto
GRU Sao Paulo Guarulhos Intl - OPO Porto
GRUOPO
Sao Paulo Guarulhos Intl
Sat 11/21
3:05 pm-3:15 pm
1 stop21h 10m
Porto
Sat 11/28
11:35 am-6:30 am
1 stop21h 55m
$824
Sao PauloPorto
GRU Sao Paulo Guarulhos Intl - OPO Porto
GRUOPO
Sao Paulo Guarulhos Intl
Sat 11/7
3:05 pm-10:50 am
1 stop16h 45m
Porto
Sat 11/14
4:05 pm-6:30 am
1 stop17h 25m
$870
Quickest round-trip
Sao PauloPorto
GRU Sao Paulo Guarulhos Intl - OPO Porto
GRUOPO
Sao Paulo Guarulhos Intl
Thu 11/5
11:50 pm-1:00 pm
Nonstop10h 10m
Porto
Mon 11/16
10:30 am-11:55 pm
1 stop16h 25m
$918
Sao PauloPorto
GRU Sao Paulo Guarulhos Intl - OPO Porto
GRUOPO
Sao Paulo Guarulhos Intl
Tue 10/6
8:55 pm-11:05 am
Nonstop10h 10m
Porto
Sat 10/24
3:30 pm-7:55 pm
1 stop32h 25m
$1,041
Sao PauloPorto
GRU Sao Paulo Guarulhos Intl - OPO Porto
GRUOPO
Sao Paulo Guarulhos Intl
Wed 10/14
1:50 pm-6:50 am
1 stop13h 00m
Porto
Sat 10/24
7:35 am-12:40 pm
2 stops33h 05m
$1,058
Sao PauloPorto
GRU Sao Paulo Guarulhos Intl - OPO Porto
GRUOPO
Sao Paulo Guarulhos Intl
Tue 10/6
7:20 pm-8:00 pm
1 stop20h 40m
Porto
Sat 10/24
4:40 pm-5:55 am
1 stop17h 15m
$1,060
Sao PauloPorto
GRU Sao Paulo Guarulhos Intl - OPO Porto
GRUOPO
Sao Paulo Guarulhos Intl
Mon 11/30
8:59 pm-10:30 pm
1 stop22h 31m
Porto
Sat 12/12
5:00 am-6:50 pm
1 stop16h 50m
$1,081
Cheapest one-way
Sao PauloPorto
GRU Sao Paulo Guarulhos Intl - OPO Porto
GRUOPO
Sao Paulo Guarulhos Intl
Sun 10/4
1:50 pm-3:15 pm
1 stop21h 25m
$574
Showing 1-10 of 12 resultsSorted by cheapest first
- 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.
GRU-OPO
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
Prices
Delays
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 $745). Flying from Sao Paulo Guarulhos Intl Airport to Porto in September is currently the most expensive (average of $1,193). 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 September 2, 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 often are flights from Sao Paulo to Porto delayed?
About 23% of weekly flights between Sao Paulo and Porto have experienced delays in the past year, with the average delay time being 125 minutes.
What is the most punctual flight time for Sao Paulo to Porto flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Thursday tends to have the lowest number of delays on this route, whereas Tuesday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Sao Paulo to Porto flights?
Over the last year, TAP AIR PORTUGAL have had the lowest number of delays on this route, with just 23% of flights being delayed.
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 September 2, 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.
Boarding
7.0
Overall
7.2
Entertainment
6.4
Food
6.3
Crew
7.8
Comfort
7.2
Reviews
1 / 20
4.0
OkayBhairav,Jun 2026
LHR - LIS
Boarding
7.0
Overall
7.2
Entertainment
6.4
Food
6.3
Crew
7.8
Comfort
7.2
Reviews
1 / 20
4.0
OkayBhairav,Jun 2026
LHR - LIS
Boarding
7.0
Overall
7.2
Entertainment
6.4
Food
6.3
Crew
7.8
Comfort
7.2
Reviews
1 / 20
4.0
OkayBhairav,Jun 2026
LHR - LIS
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.
Traveling to a place near Porto?
Book flights to Porto if you plan to visit one of these locationsVila Nova de Gaia
Arcos de Valdevez
Coimbra
Aveiro
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Guarulhos Intl and Porto flights
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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 7,457,451 searches. Data last updated September 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$656 | Average$882 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$704 | Average$1,130 | FlexibilityNo cancel fee | On-timeN/A |