$446+ 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 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
GRU — OPO
Aug 12 — Aug 191
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 Tuesday or Monday and return on a Tuesday
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 July 13, 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 July 13, 2026.
This KLM deal was found by Cheapflights users on 7/13. 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 7/269:45 pm
GRU
- OPO
2 stops20h 15m
Multiple Airlines
Mon 8/246:30 am
OPO
- GRU
2 stops28h 45m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$873
This Air Europa deal was found by Cheapflights users on 7/9. 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 7/271:50 pm
GRU
- OPO
1 stop17h 00m
Air Europa
Mon 8/174:05 pm
OPO
- GRU
2 stops38h 50m
Air Europa
Deal found 7/9![Air Europa logo]()
$874
This Air Europa deal was found by Cheapflights users on 7/10. 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 stop21h 25m
Air Europa
Thu 11/1211:35 am
OPO
- GRU
1 stop21h 55m
Air Europa
Deal found 7/10![Air Europa logo]()
$875
This KLM deal was found by Cheapflights users on 7/11. 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 7/279:45 pm
GRU
- OPO
2 stops20h 30m
KLM
Tue 8/256:15 am
OPO
- GRU
2 stops17h 35m
KLM
Deal found 7/11![KLM logo]()
$876
This KLM deal was found by Cheapflights users on 7/10. 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 8/36:55 pm
GRU
- OPO
2 stops19h 00m
Multiple Airlines
Mon 8/317:00 am
OPO
- GRU
2 stops28h 15m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$877
This Air Canada deal was found by Cheapflights users on 7/9. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/49:35 pm
GRU
- OPO
2 stops29h 25m
Air Canada
Tue 10/2011:15 am
OPO
- GRU
2 stops25h 50m
Air Canada
Deal found 7/9![Air Canada logo]()
$879
This Lufthansa deal was found by Cheapflights users on 7/12. 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.
Sun 10/253:45 pm
GRU
- OPO
2 stops20h 35m
Multiple Airlines
Wed 11/252:10 pm
OPO
- GRU
2 stops19h 30m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$880
This Air Europa deal was found by Cheapflights users on 7/12. 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 11/123:05 pm
GRU
- OPO
1 stop12h 40m
Air Europa
Mon 11/234:05 pm
OPO
- GRU
2 stops57h 15m
Air Europa
Deal found 7/12![Air Europa logo]()
$881
This KLM deal was found by Cheapflights users on 7/12. 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 8/119:45 pm
GRU
- OPO
1 stop20h 30m
KLM
Tue 8/256:15 am
OPO
- GRU
2 stops17h 35m
KLM
Deal found 7/12![KLM logo]()
$882
This KLM deal was found by Cheapflights users on 7/10. 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 11/168:59 pm
GRU
- OPO
1 stop15h 26m
Multiple Airlines
Thu 11/265:55 am
OPO
- GRU
1 stop15h 30m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$883
This KLM deal was found by Cheapflights users on 7/10. 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 8/97:35 pm
GRU
- OPO
2 stops19h 35m
KLM
Thu 8/275:55 am
OPO
- GRU
2 stops17h 55m
KLM
Deal found 7/10![KLM logo]()
$884
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 July 13, 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 July 13, 2026.
This KLM deal was found by Cheapflights users on 7/13. 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 7/269:45 pm
GRU
- OPO
2 stops20h 15m
KLM
Mon 8/248:00 pm
OPO
- GRU
2 stops25h 20m
KLM
Deal found 7/13![KLM logo]()
$886
This British Airways deal was found by Cheapflights users on 7/11. 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 12/28:30 pm
GRU
- OPO
1 stop16h 30m
Iberia
Wed 12/308:20 am
OPO
- GRU
1 stop13h 40m
Iberia
Deal found 7/11![Iberia logo]()
$898
This Air Europa deal was found by Cheapflights users on 7/9. 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
GRU
- OPO
1 stop21h 10m
Air Europa
Sat 11/1411:35 am
OPO
- GRU
2 stops23h 00m
Air Europa
Deal found 7/9![Air Europa logo]()
$929
This KLM deal was found by Cheapflights users on 7/10. 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 8/119:45 pm
GRU
- OPO
1 stop20h 30m
Multiple Airlines
Wed 8/195:55 am
OPO
- GRU
2 stops18h 30m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$965
This Lufthansa deal was found by Cheapflights users on 7/12. 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.
Wed 10/78:50 pm
GRU
- OPO
1 stop22h 35m
Lufthansa
Wed 10/216:20 am
OPO
- GRU
1 stop16h 35m
Lufthansa
Deal found 7/12![Lufthansa logo]()
$1,010
This KLM deal was found by Cheapflights users on 7/10. 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.
Fri 8/146:55 pm
GRU
- OPO
2 stops19h 20m
Air France
Mon 8/246:30 am
OPO
- GRU
2 stops28h 45m
Air France
Deal found 7/10![Air France logo]()
$1,087
This British Airways deal was found by Cheapflights users on 7/12. 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.
Thu 7/232:10 pm
GRU
- OPO
1 stop13h 30m
Iberia
Sun 8/168:40 pm
OPO
- GRU
1 stop25h 10m
Iberia
Deal found 7/12![Iberia logo]()
$1,004
This Air Europa deal was found by Cheapflights users on 7/12. 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 8/21:50 pm
GRU
- OPO
1 stop21h 25m
Air Europa
Mon 8/108:10 pm
OPO
- GRU
2 stops34h 45m
Air Europa
Deal found 7/12![Air Europa logo]()
$1,005
This British Airways deal was found by Cheapflights users on 7/12. 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 10/57:20 pm
GRU
- OPO
1 stop32h 20m
Iberia
Sat 10/248:40 pm
OPO
- GRU
1 stop13h 15m
Iberia
Deal found 7/12![Iberia logo]()
$1,067
This Air Europa deal was found by Cheapflights users on 7/8. 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 9/151:50 pm
GRU
- OPO
1 stop17h 00m
Air Europa
Sun 9/207:35 am
OPO
- GRU
2 stops28h 30m
Air Europa
Deal found 7/8![Air Europa logo]()
$1,079
Last-minute flights from Guarulhos Intl to PortoDiscover last-minute flight deals from Guarulhos Intl to Porto. Data last updated July 13, 2026 and is based on user searches.
Discover last-minute flight deals from Guarulhos Intl to Porto. Data last updated July 13, 2026 and is based on user searches.
This KLM deal was found by Cheapflights users on 7/13. 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 7/269:45 pm
GRU
- OPO
2 stops20h 15m
Multiple Airlines
Mon 8/246:30 am
OPO
- GRU
2 stops28h 45m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$873
This KLM deal was found by Cheapflights users on 7/10. 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 7/269:45 pm
GRU
- OPO
2 stops20h 15m
KLM
Mon 8/248:00 pm
OPO
- GRU
2 stops25h 20m
KLM
Deal found 7/10![KLM logo]()
$885
This Air Europa deal was found by Cheapflights users on 7/9. 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 7/271:50 pm
GRU
- OPO
1 stop17h 00m
Air Europa
Mon 8/174:05 pm
OPO
- GRU
2 stops38h 50m
Air Europa
Deal found 7/9![Air Europa logo]()
$874
This KLM deal was found by Cheapflights users on 7/11. 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 7/279:45 pm
GRU
- OPO
2 stops20h 30m
KLM
Tue 8/256:15 am
OPO
- GRU
2 stops17h 35m
KLM
Deal found 7/11![KLM logo]()
$876
This KLM deal was found by Cheapflights users on 7/10. 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 8/36:55 pm
GRU
- OPO
2 stops19h 00m
Multiple Airlines
Mon 8/317:00 am
OPO
- GRU
2 stops28h 15m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$877
This KLM deal was found by Cheapflights users on 7/10. 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 8/97:35 pm
GRU
- OPO
2 stops19h 35m
KLM
Thu 8/275:55 am
OPO
- GRU
2 stops17h 55m
KLM
Deal found 7/10![KLM logo]()
$884
This KLM deal was found by Cheapflights users on 7/12. 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 8/119:45 pm
GRU
- OPO
1 stop20h 30m
KLM
Tue 8/256:15 am
OPO
- GRU
2 stops17h 35m
KLM
Deal found 7/12![KLM logo]()
$882
This KLM deal was found by Cheapflights users on 7/11. 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 8/119:45 pm
GRU
- OPO
1 stop20h 30m
KLM
Sun 8/307:00 pm
OPO
- GRU
2 stops26h 20m
KLM
Deal found 7/11![KLM logo]()
$888
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 July 13, 2026.
Search for one-way flight options from Guarulhos Intl to Porto. Find affordable one-way fares based on user searches. Data last updated July 13, 2026.
This FlightHub deal was found by Cheapflights users on 7/9. 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.
Sun 11/110:40 pm
GRU
- OPO
1 stop20h 20m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$446
This FlightHub deal was found by Cheapflights users on 7/9. 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.
Fri 7/249:15 pm
GRU
- OPO
1 stop29h 35m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$461
This Kiwi.com deal was found by Cheapflights users on 7/9. 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.
Thu 8/612:30 am
GRU
- OPO
1 stop13h 30m
Royal Air Maroc
Deal found 7/9![Royal Air Maroc logo]()
$486
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 8/911:00 pm
GRU
- OPO
1 stop30h 25m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$489
This Kiwi.com deal was found by Cheapflights users on 7/8. 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.
Thu 7/306:55 pm
GRU
- OPO
2 stops37h 25m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$498
This CheapOair deal was found by Cheapflights users on 7/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2712:05 am
GRU
- OPO
2 stops18h 50m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$499
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 8/1112:30 am
GRU
- OPO
1 stop30h 45m
Royal Air Maroc
Deal found 7/9![Royal Air Maroc logo]()
$510
This Air Europa deal was found by Cheapflights users on 7/10. 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 8/11:50 pm
GRU
- OPO
1 stop13h 00m
Air Europa
Deal found 7/10![Air Europa logo]()
$512
This Air Europa deal was found by Cheapflights users on 7/9. 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 7/251:50 pm
GRU
- OPO
1 stop17h 00m
Air Europa
Deal found 7/9![Air Europa logo]()
$513
This Air Europa deal was found by Cheapflights users on 7/9. 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 8/81:50 pm
GRU
- OPO
1 stop21h 25m
Air Europa
Deal found 7/9![Air Europa logo]()
$514
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 July 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $873 (KLM) |
One-way from | $446 (FlightHub) |
Popular in | September |
Cheapest in | March |
Average price | $1,050 |
Good round-trip deal | $1,232 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 2,558,603 searches. Data last updated July 13, 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 - OPO
GRUOPO
Sao Paulo Guarulhos Intl
Sun 7/26
9:45 pm-10:00 pm
2 stops20h 15m
Porto
Mon 8/24
8:00 pm-5:20 pm
2 stops25h 20m
$886
Quickest round-trip
Sao PauloPorto
GRU - OPO
GRUOPO
Sao Paulo Guarulhos Intl
Wed 12/2
8:30 pm-4:00 pm
1 stop16h 30m
Porto
Wed 12/30
8:20 am-7:00 pm
1 stop13h 40m
$898
Sao PauloPorto
GRU - OPO
GRUOPO
Sao Paulo Guarulhos Intl
Sat 11/7
3:05 pm-3:15 pm
1 stop21h 10m
Porto
Sat 11/14
11:35 am-7:35 am
2 stops23h 00m
$929
Sao PauloPorto
GRU - OPO
GRUOPO
Sao Paulo Guarulhos Intl
Tue 8/11
9:45 pm-10:15 pm
1 stop20h 30m
Porto
Wed 8/19
5:55 am-8:25 pm
2 stops18h 30m
$965
Sao PauloPorto
GRU - OPO
GRUOPO
Sao Paulo Guarulhos Intl
Thu 7/23
2:10 pm-7:40 am
1 stop13h 30m
Porto
Sun 8/16
8:40 pm-5:50 pm
1 stop25h 10m
$1,004
Sao PauloPorto
GRU - OPO
GRUOPO
Sao Paulo Guarulhos Intl
Sun 8/2
1:50 pm-3:15 pm
1 stop21h 25m
Porto
Mon 8/10
8:10 pm-2:55 am
2 stops34h 45m
$1,005
Sao PauloPorto
GRU - OPO
GRUOPO
Sao Paulo Guarulhos Intl
Wed 10/7
8:50 pm-11:25 pm
1 stop22h 35m
Porto
Wed 10/21
6:20 am-6:55 pm
1 stop16h 35m
$1,010
Sao PauloPorto
GRU - OPO
GRUOPO
Sao Paulo Guarulhos Intl
Mon 10/5
7:20 pm-7:40 am
1 stop32h 20m
Porto
Sat 10/24
8:40 pm-5:55 am
1 stop13h 15m
$1,067
Sao PauloPorto
GRU - OPO
GRUOPO
Sao Paulo Guarulhos Intl
Tue 9/15
1:50 pm-10:50 am
1 stop17h 00m
Porto
Sun 9/20
7:35 am-8:05 am
2 stops28h 30m
$1,079
Sao PauloPorto
GRU - OPO
GRUOPO
Sao Paulo Guarulhos Intl
Fri 8/14
6:55 pm-6:15 pm
2 stops19h 20m
Porto
Mon 8/24
6:30 am-7:15 am
2 stops28h 45m
$1,087
Showing 1-10 of 15 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 $738). 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 July 13, 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 27% of weekly flights between Sao Paulo and Porto have experienced delays in the past year, with the average delay time being 122 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 27% 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 July 13, 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.
Entertainment
6.3
Crew
7.8
Food
6.3
Comfort
7.1
Boarding
7.0
Overall
7.2
Reviews
1 / 20
4.0
OkayBhairav,Jun 2026
LHR - LIS
Entertainment
6.3
Crew
7.8
Food
6.3
Comfort
7.1
Boarding
7.0
Overall
7.2
Reviews
1 / 20
4.0
OkayBhairav,Jun 2026
LHR - LIS
Entertainment
6.3
Crew
7.8
Food
6.3
Comfort
7.1
Boarding
7.0
Overall
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
Aveiro
Arcos de Valdevez
Coimbra
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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 2,558,603 searches. Data last updated July 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$658 | Average$882 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$704 | Average$1,130 | FlexibilityNo cancel fee | On-timeN/A |