HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Rio de Janeiro

$762+ Cheap flights from Portland, ME (PWM) to Rio de Janeiro, Brazil (RIO)

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 7/26. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — RIO
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to Rio de Janeiro 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 Rio de Janeiro

Cheapest flights from Portland to Rio de Janeiro
Explore the most affordable flight options available from Portland to Rio de Janeiro. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This United Airlines deal was found by Cheapflights users on 1/25. 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.
Thu 3/53:44 pm
PWM
-
SDU
2 stops22h 56m
United Airlines
Mon 3/91:45 pm
SDU
-
PWM
2 stops32h 31m
United Airlines
Deal found 1/25$1,521

Find flight deals from Portland to Rio de Janeiro

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to Rio de Janeiro (RIO). 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 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,521
(United Airlines)

One-way from

$762
(Kiwi.com)
Provider with most accurate pricing for Portland-Rio de Janeiro (RIO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Rio de Janeiro (RIO) flights.
Search Deals
From Portland to Rio de Janeiro (RIO)
Search Deals
One-way flight from Portland to Rio de Janeiro (RIO)
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Rio de Janeiro 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 27, 2026.
Use the filters below to find and compare flights from Portland to Rio de Janeiro that are best for you.

Fly from

Portland

Fly to

Rio de Janeiro

Route

Depart

Return

Price

PortlandRio de Janeiro

PWM - SDU

PWMSDU

Portland

Thu 3/5

3:44 pm-4:40 pm

2 stops22h 56m

Rio de Janeiro Santos Dumont

Mon 3/9

1:45 pm-7:13 pm

2 stops30h 28m

$1,521

PortlandRio de Janeiro

PWM - SDU

PWMSDU

Portland

Sun 7/26

7:56 pm-9:10 am

3 stops36h 14m

$762

PortlandRio de Janeiro

PWM - SDU

PWMSDU

Portland

Sun 7/26

6:00 am-4:45 pm

2 stops33h 45m

$965

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

  • Most accurate provider: When it comes to deals on Portland, Maine-Rio de Janeiro flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland, Maine-Rio de Janeiro flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland, Maine-Rio de Janeiro flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland, Maine-Rio de Janeiro 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-Rio de Janeiro 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 Rio de Janeiro

Have a flexible travel schedule? Discover the best time to fly to Rio de Janeiro 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 Rio de Janeiro

What is the cheapest month to book a flight from Portland, Maine to Rio de Janeiro?

Currently, April is the cheapest month in which you can book a flight from Portland, Maine to Rio de Janeiro (average of $448). Flying from Portland, Maine to Rio de Janeiro in July is currently the most expensive (average of $737). 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 Rio de Janeiro. 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 Rio de Janeiro?

    Located just 2.9 mi from the city center, Portland is the airport most travelers will use when flying to Rio de Janeiro from Portland. Booking flights from Portland (PWM) to Rio de Janeiro should be relatively easy as there are 0 daily outbound flights to Rio de Janeiro from 0 different airlines.

  • How long is the flight from Portland, Maine to Rio de Janeiro?

    For as low as $1,521, United Airlines can have you in Rio de Janeiro from Portland, Maine in 29h. Airlines will cover a distance of 4907 mi.

  • Can I find deals for flights from Portland to Rio de Janeiro that include hotel bookings?

    Yes. In addition to deals on Portland to Rio de Janeiro flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Rio de Janeiro?

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

  • Can I find deals for business class flights from Portland to Rio de Janeiro?

    Yes. Cheapflights offers flight deals from Portland to Rio de Janeiro 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 Rio de Janeiro?

    Currently, April is the cheapest month in which you can book a flight from Portland, Maine to Rio de Janeiro (average of $448). Flying from Portland, Maine to Rio de Janeiro in July is currently the most expensive (average of $737). 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 Rio de Janeiro

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Rio de Janeiro–Galeão Intl flights
Boston to Santos Dumont 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.