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Cheap flights from Boston (BOS) to Porto Alegre (POA) from $371

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 6/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
BOS — POA
May 13 — May 201
From?
To?
Mon 5/13
Mon 5/20
1 adult, Economy
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The best prices from Boston Logan Intl to Porto Alegre Salgado Filho are usually found in November or September, booked 75 days in advance, depart on a Sunday or Wednesday and return on a Tuesday

Cheap flight deals from Boston to Porto Alegre

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Porto Alegre (POA). 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 May 8, 2024.

Popular in

December

Cheapest in

November

Round-trip from

$734

One-way from

$371
High demand for flights, 22% potential price rise
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Best time to find cheap flights, 13% potential price drop
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From Boston Logan Intl to Porto Alegre Salgado Filho
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One-way flight from Boston Logan Intl to Porto Alegre Salgado Filho
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What is the cheapest day to fly round-trip from Boston to Porto Alegre?

Saturday is generally a great day to depart. Flying on this day could help you save up to 39%.

How far in advance should I book a flight from Boston to Porto Alegre?

To save on the cost of your flight from Boston to Porto Alegre, book at least 23 days before your planned departure. Booking around this time can save you about 41% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $962 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,551.

What is the cheapest month to fly from Boston to Porto Alegre?

Our data shows that November tends to be the cheapest month to fly to Porto Alegre from Boston. Users have commonly found prices around $1,079 for the month, but tickets can be as low as $799. Due to multiple factors, prepare for potentially higher prices in December.

When is the cheapest time to fly from Boston to Porto Alegre (BOS - POA)?

It’s typically best to fly out from Boston to Porto Alegre in the evening. Doing so could potentially save you 17% on the flight price compared to flying at noon, which is usually more expensive.

Cheap United Airlines flights from Boston to Porto Alegre

Explore cheap flight options specifically provided by United Airlines for the route between Boston and Porto Alegre. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 8, 2024.
Take a peek at the cheapest United Airlines flights we've detected traveling from Boston to Porto Alegre. Make sure to double check the flight details before booking.
Thu 6/139:30 amBOS - POA
2 stops30h 30mUnited Airlines
Mon 6/174:05 pmPOA - BOS
2 stops26h 04mUnited Airlines
Deal found 5/6$921
Thu 6/69:30 amBOS - POA
2 stops30h 30mUnited Airlines
Thu 6/134:25 pmPOA - BOS
2 stops30h 29mUnited Airlines
Deal found 5/7$1,098

Cheap Copa Airlines flights from Boston to Porto Alegre

Explore cheap flight options specifically provided by Copa Airlines for the route between Boston and Porto Alegre. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 8, 2024.
Some of the lowest-priced Copa Airlines flights we've found at this time heading from Boston to Porto Alegre. Ensure the flight price, dates, time, and airline match your criteria before you book.
Tue 6/43:36 pmBOS - POA
1 stop31h 43mCopa Airlines
Mon 6/101:26 amPOA - BOS
1 stop19h 05mCopa Airlines
Deal found 5/7$946
Thu 6/133:36 pmBOS - POA
1 stop31h 43mCopa Airlines
Sun 6/161:26 amPOA - BOS
1 stop13h 53mCopa Airlines
Deal found 5/7$1,074
Thu 6/133:36 pmBOS - POA
2 stops27h 39mCopa Airlines
Sun 6/161:26 amPOA - BOS
1 stop13h 53mCopa Airlines
Deal found 5/6$1,169

Cheap Boston to Porto Alegre flights in May & June 2024

Find cheap flight options from Boston to Porto Alegre specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,752,338 searches. Prices were last updated on May 8, 2024.
Listed are some of the best fares we've found on flights departing from Boston to Porto Alegre in 2024. For more flight deals, be sure to check back very soon.
Tue 6/410:40 amBOS - POA
3 stops36h 39mMultiple Airlines
Tue 6/119:10 pmPOA - BOS
2 stops18h 15mMultiple Airlines
Deal found 5/7$898
Thu 6/139:30 amBOS - POA
2 stops30h 30mUnited Airlines
Mon 6/174:05 pmPOA - BOS
2 stops26h 04mUnited Airlines
Deal found 5/6$921
Tue 6/43:36 pmBOS - POA
1 stop31h 43mCopa Airlines
Mon 6/101:26 amPOA - BOS
1 stop19h 05mCopa Airlines
Deal found 5/7$946
Tue 6/410:40 amBOS - POA
3 stops36h 39mMultiple Airlines
Mon 6/101:26 amPOA - BOS
3 stops22h 42mMultiple Airlines
Deal found 5/7$955
Tue 6/43:36 pmBOS - POA
2 stops22h 59mMultiple Airlines
Mon 6/101:26 amPOA - BOS
3 stops22h 42mMultiple Airlines
Deal found 5/7$987
Tue 6/46:01 pmBOS - POA
2 stops53h 18mMultiple Airlines
Mon 6/101:26 amPOA - BOS
1 stop13h 53mMultiple Airlines
Deal found 5/7$1,008
Tue 6/43:36 pmBOS - POA
2 stops22h 59mMultiple Airlines
Mon 6/101:26 amPOA - BOS
2 stops16h 42mMultiple Airlines
Deal found 5/7$1,009
Tue 6/411:17 amBOS - POA
3 stops22h 13mAmerican Airlines
Tue 6/116:30 pmPOA - BOS
3 stops21h 49mAmerican Airlines
Deal found 5/7$1,020
Thu 6/133:36 pmBOS - POA
1 stop31h 43mCopa Airlines
Sun 6/161:26 amPOA - BOS
1 stop13h 53mCopa Airlines
Deal found 5/7$1,074

Boston to Porto Alegre 2024 flight deals

Discover exclusive flight deals for travel between Boston and Porto Alegre in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 8, 2024.
Listed are some of the best fares we've found on flights departing from Boston to Porto Alegre in 2024. For more flight deals, be sure to check back very soon.
Mon 10/143:45 pmBOS - POA
2 stops17h 55mMultiple Airlines
Mon 10/286:15 pmPOA - BOS
2 stops27h 50mMultiple Airlines
Deal found 5/7$839
Sun 10/137:48 amBOS - POA
2 stops28h 02mAmerican Airlines
Sun 10/276:45 pmPOA - BOS
2 stops26h 59mAmerican Airlines
Deal found 5/7$862
Sun 10/135:45 amBOS - POA
2 stops27h 55mAmerican Airlines
Sun 10/276:45 pmPOA - BOS
3 stops21h 09mAmerican Airlines
Deal found 5/7$867
Tue 6/410:40 amBOS - POA
3 stops36h 39mMultiple Airlines
Tue 6/119:10 pmPOA - BOS
2 stops18h 15mMultiple Airlines
Deal found 5/7$898
Sun 9/18:44 amBOS - POA
2 stops26h 51mMultiple Airlines
Sun 9/810:35 amPOA - BOS
3 stops29h 55mMultiple Airlines
Deal found 5/8$918
Sat 9/76:00 amBOS - POA
3 stops41h 23mMultiple Airlines
Fri 9/139:10 pmPOA - BOS
2 stops26h 39mMultiple Airlines
Deal found 5/7$919
Thu 6/139:30 amBOS - POA
2 stops30h 30mUnited Airlines
Mon 6/174:05 pmPOA - BOS
2 stops26h 04mUnited Airlines
Deal found 5/6$921
Tue 6/43:36 pmBOS - POA
1 stop31h 43mCopa Airlines
Mon 6/101:26 amPOA - BOS
1 stop19h 05mCopa Airlines
Deal found 5/7$946
Tue 6/410:40 amBOS - POA
3 stops36h 39mMultiple Airlines
Mon 6/101:26 amPOA - BOS
3 stops22h 42mMultiple Airlines
Deal found 5/7$955

One-way flights to Porto Alegre from Boston

Search for one-way flight options from Boston to Porto Alegre. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 8, 2024.
If you're seeking multiple options on one-way flights from Boston to Porto Alegre, be sure to check out these deals, which are updated often. Those needing a return flight from Boston to Porto Alegre can use the search form above.
Tue 6/46:01 pmBOS - POA
2 stops53h 18mMultiple Airlines
Deal found 5/7$371
Tue 6/47:36 pmBOS - POA
3 stops51h 43mMultiple Airlines
Deal found 5/7$379
Tue 6/43:36 pmBOS - POA
1 stop31h 43mCopa Airlines
Deal found 5/7$455
Sun 5/268:50 amBOS - POA
2 stops46h 05mMultiple Airlines
Deal found 5/7$1,010

Find flights from Boston to Porto Alegre within your budget

Customize your flight search to find flights from Boston 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 2,752,338 searches. Data last updated May 8, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$898 - $1,335

Route

Depart

Return

Price

Boston Logan IntlPorto Alegre Salgado Filho

BOS - POA

BOSPOA

Boston Logan Intl

Tue 6/4

3 stops36h 39m

Porto Alegre Salgado Filho

Tue 6/11

2 stops18h 15m

$898

Boston Logan IntlPorto Alegre Salgado Filho

BOS - POA

BOSPOA

Boston Logan Intl

Thu 6/13

2 stops30h 30m

Porto Alegre Salgado Filho

Mon 6/17

2 stops26h 04m

$921

Boston Logan IntlPorto Alegre Salgado Filho

BOS - POA

BOSPOA

Boston Logan Intl

Tue 6/4

1 stop31h 43m

Porto Alegre Salgado Filho

Mon 6/10

1 stop19h 05m

$946

Boston Logan IntlPorto Alegre Salgado Filho

BOS - POA

BOSPOA

Boston Logan Intl

Tue 6/4

3 stops36h 39m

Porto Alegre Salgado Filho

Mon 6/10

3 stops22h 42m

$955

Boston Logan IntlPorto Alegre Salgado Filho

BOS - POA

BOSPOA

Boston Logan Intl

Tue 6/4

2 stops22h 59m

Porto Alegre Salgado Filho

Mon 6/10

3 stops22h 42m

$987

Boston Logan IntlPorto Alegre Salgado Filho

BOS - POA

BOSPOA

Boston Logan Intl

Tue 6/4

3 stops22h 13m

Porto Alegre Salgado Filho

Tue 6/11

3 stops21h 49m

$1,020

Boston Logan IntlPorto Alegre Salgado Filho

BOS - POA

BOSPOA

Boston Logan Intl

Thu 6/13

1 stop31h 43m

Porto Alegre Salgado Filho

Sun 6/16

1 stop13h 53m

$1,074

Boston Logan IntlPorto Alegre Salgado Filho

BOS - POA

BOSPOA

Boston Logan Intl

Thu 6/6

2 stops30h 30m

Porto Alegre Salgado Filho

Thu 6/13

2 stops30h 29m

$1,098

Boston Logan IntlPorto Alegre Salgado Filho

BOS - POA

BOSPOA

Boston Logan Intl

Thu 6/13

1 stop14h 35m

Porto Alegre Salgado Filho

Mon 6/17

2 stops19h 11m

$1,335

Flights are sorted by cheapest first

Deals found on 5/7

When is the best time to book a flight from Boston to Porto Alegre?

Use this chart to determine the optimal time to book a round-trip flight from Boston to Porto Alegre. Price data was last updated on May 3, 2024.
Booking 75 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston to Porto Alegre. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Search Deals

When is the cheapest time to fly from Boston to Porto Alegre?

Use this chart to determine the cheapest time to fly round-trip from Boston to Porto Alegre. Price data was last updated on May 5, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Boston to Porto Alegre flight should consider departing on Thursday evenings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to Porto Alegre by month

Plan your trip from Boston to Porto Alegre by taking into account the cheapest months to travel. The average price of a one-way flight from Boston to Porto Alegre is currently $554 while a round-trip flight costs $1,026. Price data was last updated on May 5, 2024.

Currently, May is the cheapest month in which you can book a flight from Boston to Porto Alegre (average of $734). Flying from Boston to Porto Alegre in December is currently the most expensive (average of $1,235). 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.

January

$1,004

February

$936

March

$831

April

$846

May

$734

June

$847

July

$946

August

$740

September

$881

October

$891

November

$815

December

$1,235

Temperature and rainfall in Porto Alegre by month

Plan your trip to Porto Alegre by taking into account the average temperature and rainfall totals by month.

POA

Temperature

55.4 - 77 °F

Reviews of airlines servicing Porto Alegre

Get insights into the airlines that provide service to Porto Alegre. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto Alegre. Reviews last updated May 8, 2024.
Peruse reviews from past customers who have flown with United Airlines and Copa Airlines from Boston to Porto Alegre to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Copa Airlines
8.0
Very good
2,769 reviews
Check prices

Comfort

7.7

Entertainment

7.2

Food

7.3

Crew

8.3

Overall

8.0

Boarding

8.1

Reviews

1 / 10

The food is horrible and little, a single meal is served on a 7 hour flight. The movies are old and there are very few options in Portuguese. Regarding the crew, they are not helpful or friendly.

Copa Airlines
8.0
Very good
2,769 reviews
Copa Airlines
8.0
Very good
2,769 reviews
Check prices

Comfort

7.7

Entertainment

7.2

Food

7.3

Crew

8.3

Overall

8.0

Boarding

8.1

Reviews

1 / 10

The food is horrible and little, a single meal is served on a 7 hour flight. The movies are old and there are very few options in Portuguese. Regarding the crew, they are not helpful or friendly.

LATAM Airlines
7.6
Good
2,444 reviews
Copa Airlines
8.0
Very good
2,769 reviews
Check prices

Comfort

7.7

Entertainment

7.2

Food

7.3

Crew

8.3

Overall

8.0

Boarding

8.1

Reviews

1 / 10

The food is horrible and little, a single meal is served on a 7 hour flight. The movies are old and there are very few options in Portuguese. Regarding the crew, they are not helpful or friendly.

United Airlines
7.4
Good
11,043 reviews
Copa Airlines
8.0
Very good
2,769 reviews
Check prices

Comfort

7.7

Entertainment

7.2

Food

7.3

Crew

8.3

Overall

8.0

Boarding

8.1

Reviews

1 / 10

The food is horrible and little, a single meal is served on a 7 hour flight. The movies are old and there are very few options in Portuguese. Regarding the crew, they are not helpful or friendly.

American Airlines
7.3
Good
14,677 reviews
Copa Airlines
8.0
Very good
2,769 reviews
Check prices

Comfort

7.7

Entertainment

7.2

Food

7.3

Crew

8.3

Overall

8.0

Boarding

8.1

Reviews

1 / 10

The food is horrible and little, a single meal is served on a 7 hour flight. The movies are old and there are very few options in Portuguese. Regarding the crew, they are not helpful or friendly.

Related info for your journey

Find useful and relevant information for your journey from Boston to Porto Alegre. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Boston to Porto Alegre for under $900 on Cheapflights?

    Yes, there are multiple flights from Boston to Porto Alegre for under $900. The cheapest flight booked recently is on Multiple Airlines for just $898, but on average you can expect to pay $1,089.

  • What are the cheapest airlines flying from Boston to Porto Alegre round-trip?

    Our cheapest airline available from Boston to Porto Alegre is United Airlines. Our recent data shows that you can find tickets from as low as $921 on this airline. Additional options worth looking into are Copa Airlines and American Airlines, starting at $946 and $1,020 round-trip. United Airlines is priced at 14% lower than the current average price of a flight leaving 3 months from now.

  • What are the most popular airlines that fly from Boston to Porto Alegre?

    Before booking your flight from Boston to Porto Alegre check out the most popular airlines for this route: American Airlines, Azul or Avianca.

  • What does BOS to POA mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Boston Logan Intl Airport to Porto Alegre Salgado Filho Airport flight would often be abbreviated as a BOS to POA flight.

  • Can I find deals for flights from Boston to Porto Alegre that include extra baggage allowance?

    The amount of baggage you can bring on your Boston to Porto Alegre flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Boston to Porto Alegre with specific airlines?

    Yes, Cheapflights allows you to browse and filter Boston to Porto Alegre flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boston 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.

  • Can I find deals for flights from Boston to Porto Alegre that allow pets onboard?

    Many airlines flying from Boston to Porto Alegre offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Boston to Porto Alegre?

    Yes, you can often find last-minute deals on Boston to Porto Alegre flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Boston to Porto Alegre flight deals updated?

    The Boston to Porto Alegre flight deals you see on this page were last updated on 5/8.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Complete your trip
Complete your trip to Porto Alegre by adding a car rental and/or hotel reservation to your travel itinerary.

Porto Alegre car rentals
Porto Alegre Salgado Filho Airport car rentals

Top 7 airlines flying from Boston to Porto Alegre

Discover the top 7 airlines that operate flights from Boston to Porto Alegre. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 8, 2024.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$714Average$964FlexibilityNo cancel feeOn-time71%
Search Avianca flights
LATAM AirlinesCheapest$751Average$1,154FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights
American AirlinesCheapest$793Average$1,118FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$810Average$928FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Copa AirlinesCheapest$901Average$1,138FlexibilityNo cancel feeOn-time70%
Search Copa Airlines flights
United AirlinesCheapest$949Average$1,064FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
AzulCheapest$1,130Average$1,435FlexibilityNo cancel feeOn-time82%
Search Azul flights
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Search flights from Boston to Porto Alegre by cabin class

Find flights from Boston to Porto Alegre, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Boston to Porto Alegre?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Boston to Porto Alegre. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Boston to Porto Alegre?

Cheapflights simply makes it quick and affordable to book flights from Boston to Porto Alegre by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Boston to Porto Alegre with no change fees?

Yes, we can. To see specific flights from Boston to Porto Alegre with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Boston to Porto Alegre become cheaper?

Yes, Cheapflights offers price alerts on Boston to Porto Alegre flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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