Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Porto Alegre to Boston from $573

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Porto Alegre to Boston departing on 8/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Travel Warning: Due to flooding, the airport may be currently closed. Check local travel advisories before booking.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Porto Alegre to Boston

Cheap round-trip flights

Delta Logo
6:40 am - 11:14 pmPOA-BOS
17h 34m2 stops
Delta Logo
7:00 am - 6:25 amBOS-POA
22h 25m2 stops
$573Delta
Find Deal
Wed, Aug 27 - Wed, Sep 3
LATAM Airlines Logo
7:20 am - 1:18 amPOA-BOS
18h 58m2 stops
LATAM Airlines Logo
6:35 pm - 3:10 pmBOS-POA
19h 35m2 stops
$586LATAM Airlines
Find Deal
Mon, Sep 15 - Mon, Sep 22
Copa Airlines Logo
1:27 am - 7:22 pmPOA-BOS
18h 55m1 stop
Copa Airlines Logo
3:49 pm - 12:20 amBOS-POA
31h 31m1 stop
$669Copa Airlines
Find Deal
Wed, Sep 17 - Tue, Sep 30
Copa Airlines Logo
1:27 am - 7:22 pmPOA-BOS
18h 55m1 stop
Copa Airlines Logo
3:49 pm - 12:20 amBOS-POA
31h 31m1 stop
$670Copa Airlines
Find Deal
Wed, Sep 17 - Tue, Sep 30
GOL Logo
6:00 am - 4:00 pmPOA-BOS
35h 00m2 stops
GOL Logo
4:30 pm - 4:15 pmBOS-POA
22h 45m2 stops
$730GOL
Find Deal
Sat, Sep 6 - Sun, Sep 14
GOL Logo
6:00 am - 12:16 pmPOA-BOS
31h 16m2 stops
GOL Logo
4:30 pm - 11:35 amBOS-POA
18h 05m2 stops
$745GOL
Find Deal
Tue, Sep 30 - Fri, Oct 24
American Airlines Logo
6:35 pm - 4:00 pmPOA-BOS
22h 25m2 stops
American Airlines Logo
4:30 pm - 4:25 pmBOS-POA
22h 55m2 stops
$766American Airlines
Find Deal
Tue, Sep 30 - Fri, Oct 24
American Airlines Logo
6:35 pm - 5:15 pmPOA-BOS
23h 40m2 stops
American Airlines Logo
12:52 pm - 10:25 amBOS-POA
20h 33m2 stops
$779American Airlines
Find Deal
Mon, Oct 20 - Fri, Oct 24
United Airlines Logo
3:25 pm - 9:14 amPOA-BOS
19h 49m2 stops
United Airlines Logo
4:20 pm - 2:35 pmBOS-POA
20h 15m2 stops
$900United Airlines
Find Deal
Thu, Nov 20 - Mon, Dec 1
United Airlines Logo
3:25 pm - 9:14 amPOA-BOS
19h 49m2 stops
United Airlines Logo
4:20 pm - 2:35 pmBOS-POA
20h 15m2 stops
$903United Airlines
Find Deal
Thu, Nov 20 - Mon, Dec 1

LATAM Airlines flights from Porto Alegre to Boston

Our best LATAM Airlines deals on Porto Alegre to Boston flight tickets
LATAM Airlines
Sep 15
POA7:20 amPorto Alegre Salgado Filho
18h 58m
2 stops
BOS1:18 amBoston Logan Intl
Sep 22
BOS6:35 pmBoston Logan Intl
19h 35m
2 stops
POA3:10 pmPorto Alegre Salgado Filho
$586
Find similar
LATAM Airlines
Sep 18
POA7:20 amPorto Alegre Salgado Filho
36h 49m
2 stops
BOS7:09 pmBoston Logan Intl
Sep 30
BOS7:10 amBoston Logan Intl
35h 40m
2 stops
POA7:50 pmPorto Alegre Salgado Filho
$589
Find similar
LATAM Airlines
Sep 18
POA7:20 amPorto Alegre Salgado Filho
27h 15m
2 stops
BOS9:35 amBoston Logan Intl
Sep 30
BOS7:10 amBoston Logan Intl
35h 40m
2 stops
POA7:50 pmPorto Alegre Salgado Filho
$590
Find similar

Copa Airlines flights from Porto Alegre to Boston

Our best Copa Airlines deals on Porto Alegre to Boston flight tickets
Copa Airlines
Sep 17
POA1:27 amPorto Alegre Salgado Filho
18h 55m
1 stop
BOS7:22 pmBoston Logan Intl
Sep 30
BOS3:49 pmBoston Logan Intl
31h 31m
1 stop
POA12:20 amPorto Alegre Salgado Filho
$669
Find similar
Copa Airlines
Sep 17
POA1:27 amPorto Alegre Salgado Filho
18h 55m
1 stop
BOS7:22 pmBoston Logan Intl
Sep 30
BOS3:49 pmBoston Logan Intl
31h 31m
1 stop
POA12:20 amPorto Alegre Salgado Filho
$670
Find similar
Copa Airlines
Sep 8
POA1:27 amPorto Alegre Salgado Filho
18h 55m
1 stop
BOS7:22 pmBoston Logan Intl
Oct 24
BOS8:41 amBoston Logan Intl
14h 39m
1 stop
POA12:20 amPorto Alegre Salgado Filho
$671
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Porto Alegre to Boston 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, momondo users made 832,500 searches. Data last updated July 30, 2025.
Use the filters below to find and compare flights from Porto Alegre to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

Wed 8/27

6:40 am-11:14 pm

2 stops17h 34m

Boston Logan Intl

Wed 9/3

7:00 am-6:25 am

2 stops22h 25m

$573

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

Mon 9/15

7:20 am-1:18 am

2 stops18h 58m

Boston Logan Intl

Mon 9/22

6:35 pm-3:10 pm

2 stops19h 35m

$586

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

Wed 9/17

1:27 am-7:22 pm

1 stop18h 55m

Boston Logan Intl

Tue 9/30

3:49 pm-12:20 am

1 stop31h 31m

$669

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

Wed 9/17

1:27 am-7:22 pm

1 stop18h 55m

Boston Logan Intl

Tue 9/30

3:49 pm-12:20 am

1 stop31h 31m

$670

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

Sat 9/6

6:00 am-4:00 pm

2 stops35h 00m

Boston Logan Intl

Sun 9/14

4:30 pm-4:15 pm

2 stops22h 45m

$730

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

Tue 9/30

6:00 am-12:16 pm

2 stops31h 16m

Boston Logan Intl

Fri 10/24

4:30 pm-11:35 am

2 stops18h 05m

$745

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

Tue 9/30

6:35 pm-4:00 pm

2 stops22h 25m

Boston Logan Intl

Fri 10/24

4:30 pm-4:25 pm

2 stops22h 55m

$766

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

Mon 10/20

6:35 pm-5:15 pm

2 stops23h 40m

Boston Logan Intl

Fri 10/24

12:52 pm-10:25 am

2 stops20h 33m

$779

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

Thu 11/20

3:25 pm-9:14 am

2 stops19h 49m

Boston Logan Intl

Mon 12/1

4:20 pm-2:35 pm

2 stops20h 15m

$900

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

Thu 11/20

3:25 pm-9:14 am

2 stops19h 49m

Boston Logan Intl

Mon 12/1

4:20 pm-2:35 pm

2 stops20h 15m

$903

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

See travel insights to Boston from

How to get the cheapest flight ticket from Porto Alegre to Boston

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Boston?

In general, November is the cheapest month to fly from Porto Alegre to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $387. If you aren’t able to travel during the month of November, then book flights to Boston from Porto Alegre during June instead. Flights to Boston in June, while not as cheap as those in November, still average around $546.

What is the cheapest day to depart on your flight to Boston?

The cheapest day to depart from Porto Alegre to Boston is on a Wednesday when prices can be found for as low as $863. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Saturday is $1,371.

What is the cheapest time of day to depart on your flight to Boston?

According to our data, the cheapest time of day to fly to Boston is in the evening. momondo users have found flights departing from Porto Alegre to Boston in the evening for as low as $915. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Boston, so prices are often more expensive at around $1,075 per ticket.

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

You are more likely to see cheaper flights to Boston from Porto Alegre when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $748 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from Porto Alegre for as low as $417 on momondo.

Can stopping save me money on Porto Alegre to Boston flights?

You could potentially save up to 31% on your flight if you consider stops on a Porto Alegre to Boston flight.

How have Porto Alegre to Boston flight prices changed over time?

When to book flights from Porto Alegre to Boston

Are you open to changing your travel dates? Check out the ideal times to fly from Porto Alegre to Boston according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Porto Alegre to Boston (POA to BOS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Porto Alegre to Boston

Best Price Found

$581

Fastest flight time

13h 25m

Direct flights

None

Airports in Boston

1 airport
The best one-way flight to Boston from Porto Alegre in the past 72 hours is $581. The best round-trip flight deal from Porto Alegre to Boston found on momondo in the last 72 hours is $573.
The fastest flight from Porto Alegre to Boston takes 13h 25m
There are no direct flights from Porto Alegre to Boston. Popular non-direct route for this connection is Porto Alegre Salgado Filho Airport - Boston Logan Intl Airport.
There is 1 airport near Boston: Boston Logan Intl (BOS)
Search flight deals

  • How far is Porto Alegre Salgado Filho to Boston Logan Intl by plane?

    There are 5155.0 mi between Porto Alegre Salgado Filho and Boston Logan Intl. By plane, this route typically takes 13h 44m.

  • When did momondo last update prices for flights from Porto Alegre Salgado Filho Airport to Boston Logan Intl Airport?

    Prices for flights from Porto Alegre Salgado Filho Airport to Boston Logan Intl Airport are updated daily.

  • How many operators does momondo search for flights from Porto Alegre Salgado Filho Airport to Boston Logan Intl Airport?

  • How old do you have to be to fly from Porto Alegre Salgado Filho Airport to Boston Logan Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Porto Alegre Salgado Filho Airport to Boston Logan Intl Airport.

  • What documentation or ID do you need to fly to Boston Logan Intl Airport?

    The required travel and health documents for your Boston Logan Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Boston Logan Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Porto Alegre to Boston?

Best airlines flying from Porto Alegre to Boston

Compare and see reviews for airlines that fly from Porto Alegre to Boston with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $624Free CancellationRating
7.4
8,896 reviews
Search United Airlines flights

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Hampton Beach
Salem
Ogunquit
Hampton
Old Orchard Beach
York Beach
Plymouth
Kennebunkport
Nashua
Cambridge
Narragansett
Laconia
Brockton
South Yarmouth
Gloucester
Concord
Everett
Wells
Falmouth
Middletown

Why use momondo?

Why should I use momondo to find a flight deal from Porto Alegre to Boston?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Porto Alegre to Boston for you.

Can I find flights from Porto Alegre to Boston with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Boston from Porto Alegre with this policy.

How can momondo help me find flights from Porto Alegre to Boston?

Once you have performed a search for Porto Alegre to Boston flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Porto Alegre to Boston right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Porto Alegre to Boston flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Boston trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 8/4
Mon 8/11
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States