$1,298+ Cheap flights from Portland, ME (PWM) to Rio de Janeiro, Brazil (RIO)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/22. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — RIO
Nov 27 — Dec 41
1 adult, Economy
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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
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 October 28, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $1,298 (Delta) |
Find flight deals from Portland to Rio de Janeiro
Best flights from Portland to Rio de JaneiroDiscover carefully curated flight deals from Portland to Rio de Janeiro that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 28, 2025.
Discover carefully curated flight deals from Portland to Rio de Janeiro that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 28, 2025.
This Delta deal was found by Cheapflights users on 10/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/222:35 pmPWM - SDU
2 stops21h 40mDelta
Thu 3/268:05 pmSDU - PWM
2 stops26h 54mDelta
Deal found 10/25![Delta logo]()
$1,298
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 October 28, 2025.
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
Sun 3/22
2:35 pm-1:15 pm
2 stops21h 40m
Rio de Janeiro Santos Dumont
Thu 3/26
8:05 pm-9:59 pm
2 stops26h 54m
$1,298
Compare providers for flights from Portland to Rio de Janeiro
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 Rio de Janeiro in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Portland, Maine-Rio de Janeiro flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Portland, Maine-Rio de Janeiro flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 $447). 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.