HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Guarulhos Intl

$538+ Cheap flights from Portland, ME (PWM) to Guarulhos Intl, Brazil (GRU)

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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — GRU
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to Guarulhos Intl 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.

Cheap flight deals from Portland to Guarulhos Intl

Cheapest flights from Portland to Guarulhos Intl
Explore the most affordable flight options available from Portland to Guarulhos Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This United Airlines deal was found by Cheapflights users on 1/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/93:44 pm
PWM
-
GRU
1 stop15h 06m
United Airlines
Thu 3/129:30 pm
GRU
-
PWM
1 stop18h 02m
United Airlines
Deal found 1/26$1,362
This United Airlines deal was found by Cheapflights users on 1/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/142:32 pm
PWM
-
GRU
1 stop18h 48m
United Airlines
Sat 3/2110:15 pm
GRU
-
PWM
1 stop17h 59m
United Airlines
Deal found 1/27$1,497

Find flight deals from Portland to Guarulhos Intl

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) 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 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,362
(United Airlines)

One-way from

$538
(Kiwi.com)
Provider with most accurate pricing for Portland-Sao Paulo Guarulhos Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Sao Paulo Guarulhos Intl flights.
Search Deals
From Portland to Sao Paulo Guarulhos Intl
Search Deals
One-way flight from Portland to Sao Paulo Guarulhos Intl
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Guarulhos Intl 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 January 29, 2026.
Use the filters below to find and compare flights from Portland to Sao Paulo Guarulhos Intl Airport that are best for you.

Fly from

Portland

Fly to

Guarulhos Intl

Route

Depart

Return

Price

PortlandSao Paulo

PWM - GRU

PWMGRU

Portland

Mon 3/9

3:44 pm-7:50 am

1 stop15h 06m

Sao Paulo Guarulhos Intl

Thu 3/12

9:30 pm-2:32 pm

1 stop18h 02m

$1,362

PortlandSao Paulo

PWM - GRU

PWMGRU

Portland

Sat 3/14

2:32 pm-10:20 am

1 stop18h 48m

Sao Paulo Guarulhos Intl

Sat 3/21

10:15 pm-3:14 pm

1 stop17h 59m

$1,497

PortlandSao Paulo

PWM - GRU

PWMGRU

Portland

Sat 2/21

6:18 pm-5:40 am

3 stops57h 22m

$538

PortlandSao Paulo

PWM - GRU

PWMGRU

Portland

Wed 2/18

6:18 pm-10:45 pm

3 stops50h 27m

$572

PortlandSao Paulo

PWM - GRU

PWMGRU

Portland

Thu 2/19

5:45 am-7:15 am

1 stop23h 30m

$752

PortlandSao Paulo

PWM - GRU

PWMGRU

Portland

Tue 2/17

3:05 pm-10:20 am

2 stops17h 15m

$752

PortlandSao Paulo

PWM - GRU

PWMGRU

Portland

Tue 2/17

5:45 am-7:15 am

1 stop23h 30m

$752

PortlandSao Paulo

PWM - GRU

PWMGRU

Portland

Mon 2/16

6:00 am-5:40 am

2 stops21h 40m

$768

PortlandSao Paulo

PWM - GRU

PWMGRU

Portland

Thu 2/19

6:00 am-5:40 am

2 stops21h 40m

$768

PortlandSao Paulo

PWM - GRU

PWMGRU

Portland

Sun 2/15

5:59 pm-5:40 am

2 stops33h 41m

$774

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 12 results
1
2

Compare providers for flights from Portland to Guarulhos Intl

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 Portland to Guarulhos Intl in January.
ProviderPrice AccuracyTrust Score*
OvagoPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice 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 Portland, Maine-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 Portland, Maine-Sao Paulo Guarulhos Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland, Maine-Sao Paulo Guarulhos Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland, Maine-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 Portland, Maine-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 Portland to Guarulhos Intl

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

What is the cheapest month to book a flight from Portland, Maine to Sao Paulo Guarulhos Intl Airport?

Currently, May is the cheapest month in which you can book a flight from Portland, Maine to Sao Paulo Guarulhos Intl Airport (average of $339). Flying from Portland, Maine to Sao Paulo Guarulhos Intl Airport in July is currently the most expensive (average of $550). 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.

Related info for your journey

Find useful and relevant information for your journey from Portland 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 Portland to Sao Paulo Guarulhos Intl?

    Portland (PWM), located 2.9 mi from the city center, is the airport you fly out of when you book flights from Portland to Sao Paulo Guarulhos Intl. 0 airlines have flights from Portland to Sao Paulo Guarulhos Intl on a regular basis. Booking flights from Portland to Sao Paulo Guarulhos Intl should not be difficult; the airport handles an average of 0 outbound flights to Sao Paulo Guarulhos Intl per day.

  • How long is the flight from Portland, Maine to Sao Paulo Guarulhos Intl Airport?

    A quick flight from Portland, Maine to Sao Paulo Guarulhos Intl Airport can take about 15h 06m. United Airlines provides one of the quickest options available for as low as $1,362. Portland, Maine and Sao Paulo Guarulhos Intl Airport are separated by a distance of 4872 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portland 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 Portland, Maine to Sao Paulo Guarulhos Intl Airport?

    Currently, May is the cheapest month in which you can book a flight from Portland, Maine to Sao Paulo Guarulhos Intl Airport (average of $339). Flying from Portland, Maine to Sao Paulo Guarulhos Intl Airport in July is currently the most expensive (average of $550). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portland to Guarulhos Intl

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

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.