How does KAYAK find such low prices on flights from Rhode Island to Porto Alegre?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Rhode Island to Porto Alegre. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Rhode Island to Porto Alegre?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Porto Alegre from Rhode Island is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Rhode Island to Porto Alegre?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Porto Alegre with an airline and back to Rhode Island with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Rhode Island to Porto Alegre?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Porto Alegre from Rhode Island up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$336 CHEAP FLIGHTS from Rhode Island to Porto Alegre

POA

KAYAK searches hundreds of travel sites at once for deals on flights to Porto Alegre

...and more

Travelers love KAYAK

41.299.237 searches in the past 7 days on KAYAK

Save 23% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$490

Overall average: $708

United Airlines

Mon 3/9Wed 3/18

BOS - POA • 2 stops

Cheapest one-way

$336

Overall average: $313

Multiple Airlines

Thu 6/18

BOS - POA • 2 stops

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Porto Alegre!

Flight Deals

Cheap Flights from Rhode Island to Porto Alegre

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Rhode Island to Porto Alegre

Mon, Mar 9 - Wed, Mar 18

7:34 pm - 4:25 pm

BOS

POA

19h 51m

2 stops

3:25 pm - 9:56 am

POA

BOS

19h 31m

2 stops

$490United Airlines

Tue, Mar 10 - Tue, Mar 17

9:32 am - 2:25 pm

BOS

POA

27h 53m

2 stops

5:10 pm - 11:57 pm

POA

BOS

31h 47m

2 stops

$497United Airlines

Thu, Apr 9 - Mon, Apr 27

8:43 am - 12:20 am

BOS

POA

14h 37m

1 stop

1:35 am - 11:09 pm

POA

BOS

22h 34m

1 stop

$562Copa Airlines

Tue, Mar 17 - Thu, Mar 19

7:34 pm - 2:25 pm

BOS

POA

17h 51m

2 stops

3:30 pm - 5:17 pm

POA

BOS

26h 47m

2 stops

$590United Airlines

Tue, Mar 17 - Thu, Mar 19

9:30 am - 2:25 pm

BOS

POA

27h 55m

2 stops

3:30 pm - 7:42 pm

POA

BOS

29h 12m

2 stops

$597United Airlines

Tue, Feb 24 - Tue, Mar 10

2:20 pm - 2:20 pm

BOS

POA

22h 00m

2 stops

5:10 pm - 9:56 am

POA

BOS

17h 46m

2 stops

$606United Airlines

Mon, Mar 9 - Wed, Mar 18

9:55 am - 12:40 am

BOS

POA

13h 45m

1 stop

1:40 pm - 7:35 am

POA

BOS

18h 55m

2 stops

$685Multiple Airlines

Tue, Mar 10 - Tue, Mar 17

12:07 pm - 2:25 pm

BOS

POA

25h 18m

3 stops

3:25 pm - 12:07 pm

POA

BOS

21h 42m

2 stops

$691United Airlines

Thu, Apr 9 - Tue, Apr 28

8:45 am - 10:55 am

BOS

POA

25h 10m

2 stops

6:05 pm - 7:10 am

POA

BOS

38h 05m

2 stops

$702Avianca

Thu, Apr 9 - Tue, Apr 28

9:55 am - 2:05 am

BOS

POA

15h 10m

1 stop

5:50 pm - 2:45 pm

POA

BOS

21h 55m

2 stops

$726Delta

Useful Info

Low season	August
High season	October
Cheapest flight	$336

Best time to beat the crowds but there is an average 29% increase in price.

Most popular time to fly and prices are also 15% lower on average.

Flight from Boston to Porto Alegre

How does KAYAK find such low prices on flights from Rhode Island to Porto Alegre?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Rhode Island to Porto Alegre.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Rhode Island to Porto Alegre?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Porto Alegre from Rhode Island is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Rhode Island to Porto Alegre?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Porto Alegre with an airline and back to Rhode Island with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Rhode Island to Porto Alegre?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Porto Alegre from Rhode Island up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Porto Alegre

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Information on the airport you'll fly into in Porto Alegre

Porto Alegre (POA)

POA

$336 Find Cheap Flights from Rhode Island to Porto Alegre

KAYAK searches hundreds of travel sites at once for deals on flights to Porto Alegre

Everything you should know

Cheap Flights from Rhode Island to Porto Alegre

Recent round-trip flight deals from Rhode Island to Porto Alegre

Recent one-way flight deals from Rhode Island to Porto Alegre

Good to know

FAQs for booking flights from Rhode Island to Porto Alegre

How does KAYAK find such low prices on flights from Rhode Island to Porto Alegre?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Rhode Island to Porto Alegre.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Rhode Island to Porto Alegre?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Porto Alegre from Rhode Island is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Rhode Island to Porto Alegre?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Porto Alegre with an airline and back to Rhode Island with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Rhode Island to Porto Alegre?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Porto Alegre from Rhode Island up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Porto Alegre

Information on the airport you'll fly into in Porto Alegre

Cabin class types available on flights to Rhode Island

Complete your trip to Porto Alegre with a hotel stay or car rental

Find direct flights for Porto Alegre

Flights to other popular destinations

Flights from domestic origins to Porto Alegre

Choose which airport to fly into in Porto Alegre