HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Porto Alegre

$292+ Cheap flights from Rhode Island to Porto Alegre (POA)

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 11/28. Fares are subject to change and may not be available on all flights or dates of travel.
PVD — POA
Dec 23 — Dec 301
Tue 12/23
Tue 12/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Rhode Island to Porto Alegre 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.

Find flight deals from Rhode Island to Porto Alegre

Cheapest flights from Rhode Island to Porto Alegre
Explore the most affordable flight options available from Rhode Island to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 23, 2025.

This Flysmarter deal was found by Cheapflights users on 11/21. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/229:50 amBOS - POA
2 stops32h 20mMultiple Airlines
Fri 12/53:25 pmPOA - BOS
2 stops21h 25mMultiple Airlines
Deal found 11/21$594
This lastminute.com deal was found by Cheapflights users on 11/21. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/227:34 amBOS - POA
1 stop14h 56mCopa Airlines
Thu 12/41:35 amPOA - BOS
1 stop23h 05mCopa Airlines
Deal found 11/21$619
This American Airlines deal was found by Cheapflights users on 11/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/223:48 pmBOS - POA
2 stops23h 57mAmerican Airlines
Sun 1/185:55 pmPOA - BOS
2 stops17h 34mAmerican Airlines
Deal found 11/21$1,351
This Priceline deal was found by Cheapflights users on 11/21. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/227:54 pmBOS - POA
2 stops36h 31mLATAM Airlines
Sat 1/174:40 amPOA - BOS
2 stops40h 08mLATAM Airlines
Deal found 11/21$1,406
This Mytrip deal was found by Cheapflights users on 11/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/225:45 amBOS - POA
3 stops27h 45mMultiple Airlines
Sun 1/187:40 pmPOA - BOS
2 stops23h 28mMultiple Airlines
Deal found 11/21$1,703
This Kiwi.com deal was found by Cheapflights users on 11/21. 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.
Sat 11/2210:25 pmBOS - POA
2 stops47h 50mTAP AIR PORTUGAL
Thu 12/412:45 amPOA - BOS
1 stop21h 25mTAP AIR PORTUGAL
Deal found 11/21$2,905

Cheap flight deals from Rhode Island to Porto Alegre

Keep the following information in mind while searching for Rhode Island to Porto Alegre flight deals. Data was last updated November 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$630
(United Airlines)

One-way from

$292
(United Airlines)

Popular in

December

Cheapest in

June

Average price

$713
Provider with most accurate pricing for Boston Logan Intl-Porto Alegre Salgado Filho flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Porto Alegre Salgado Filho flights.
Search Deals
From Rhode Island to Porto Alegre Salgado Filho
Search Deals
One-way flight from Rhode Island to Porto Alegre Salgado Filho
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($184 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($64 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Rhode Island to Porto Alegre 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 November 23, 2025.
Use the filters below to find and compare flights from Rhode Island to Porto Alegre that are best for you.

Fly from

Rhode Island

Fly to

Porto Alegre

Route

Depart

Return

Price

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Mon 3/23

2:15 pm-4:20 pm

2 stops25h 05m

Porto Alegre Salgado Filho

Thu 3/26

3:25 pm-11:57 pm

2 stops33h 32m

$630

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Mon 4/27

3:05 pm-7:15 pm

2 stops27h 10m

Porto Alegre Salgado Filho

Thu 5/7

2:00 pm-7:15 am

2 stops42h 15m

$701

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Mon 3/23

9:55 am-12:25 am

1 stop13h 30m

Porto Alegre Salgado Filho

Thu 3/26

7:45 am-10:24 am

2 stops27h 39m

$722

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Mon 4/27

8:31 am-12:30 am

1 stop14h 59m

Porto Alegre Salgado Filho

Wed 5/6

1:45 am-11:03 pm

1 stop22h 18m

$722

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Mon 3/23

9:55 am-2:05 pm

1 stop27h 10m

Porto Alegre Salgado Filho

Thu 3/26

7:45 am-12:59 am

2 stops18h 14m

$722

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Mon 3/23

8:44 am-12:25 am

1 stop14h 41m

Porto Alegre Salgado Filho

Wed 3/25

1:30 am-11:10 pm

1 stop22h 40m

$726

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Tue 1/20

12:16 pm-11:00 am

2 stops20h 44m

Porto Alegre Salgado Filho

Tue 1/27

5:55 pm-11:35 am

2 stops19h 40m

$727

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Mon 1/12

6:15 am-4:30 pm

2 stops32h 15m

Porto Alegre Salgado Filho

Sat 1/24

2:10 pm-9:32 am

2 stops21h 22m

$820

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Tue 1/20

7:55 am-12:40 am

2 stops38h 45m

Porto Alegre Salgado Filho

Mon 1/26

4:40 am-11:35 am

2 stops32h 55m

$858

ProvidencePorto Alegre

PVD - POA

PVDPOA

Providence-TFGreen

Mon 3/9

12:50 pm-7:20 pm

2 stops29h 30m

Porto Alegre Salgado Filho

Wed 3/11

6:40 am-11:45 pm

2 stops18h 05m

$1,146

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/22

Showing 1-10 of 17 results
1
2

Best time to book a flight from Rhode Island to Porto Alegre

Have a flexible travel schedule? Discover the best time to fly to Porto Alegre from Rhode Island 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 Rhode Island to Porto Alegre
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Rhode Island to Porto Alegre. 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 into for flights to Porto Alegre from Rhode Island?

    Porto Alegre Salgado Filho (POA) is the airport you will fly into if you book a flight from Rhode Island to Porto Alegre. It is only a 4.0 mi journey from Salgado Filho (POA) to Porto Alegre’s city center.

  • How long is the flight from Rhode Island to Porto Alegre?

    A quick flight from Rhode Island to Porto Alegre can take about 13h 30m. United Airlines provides one of the quickest options available for as low as $722. Rhode Island and Porto Alegre are separated by a distance of 5153 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Rhode Island to Porto Alegre that include hotel bookings?

    Yes. In addition to deals on Rhode Island to Porto Alegre flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Rhode Island to Porto Alegre?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rhode Island to Porto Alegre.

  • Can I find deals for business class flights from Rhode Island to Porto Alegre?

    Yes. Cheapflights offers flight deals from Rhode Island to Porto Alegre by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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 Rhode Island to Porto Alegre

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Porto Alegre flights
John F Kennedy Intl to Porto Alegre flights
Miami to Porto Alegre flights
Newark to Porto Alegre flights
LaGuardia to Porto Alegre flights
Orlando to Porto Alegre flights
Fort Lauderdale to Porto Alegre flights
Atlanta to Porto Alegre flights
Seattle to Porto Alegre flights
Raleigh to Porto Alegre flights
San Francisco to Porto Alegre flights
Dulles Intl to Porto Alegre flights
San Diego to Porto Alegre flights
Dallas/Fort Worth to Porto Alegre flights
Boston to Porto Alegre flights
Portland to Porto Alegre flights
San Jose to Porto Alegre flights
John F Kennedy Intl to Caxias do Sul flights
Nashville to Porto Alegre flights
Hobby to Porto Alegre flights
Austin to Porto Alegre flights
Chattanooga to Porto Alegre flights
Las Vegas to Porto Alegre flights
George Bush Intcntl to Porto Alegre flights
Sacramento to Porto Alegre flights
O'Hare Intl to Porto Alegre flights
Newark to Caxias do Sul flights
San Francisco to Caxias do Sul flights
Philadelphia to Porto Alegre flights
Ontario to Porto Alegre flights
Memphis to Porto Alegre flights
Birmingham to Porto Alegre flights
Tulsa to Porto Alegre flights
San Antonio to Porto Alegre flights
St. Louis to Porto Alegre flights
Santa Ana to Porto Alegre flights
Detroit to Porto Alegre flights
San Francisco to Santa Maria flights
Dulles Intl to Santa Maria 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.