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Cheap flights from Porto Alegre to Boston from $476

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Porto Alegre to Boston departing on 6/17. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from Porto Alegre to Boston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:25 pm - 7:10 am
POA
-
BOS
37h 45m
2 stops
Multiple Airlines Logo
8:45 am - 10:50 am
BOS
-
POA
25h 05m
2 stops
$643Multiple Airlines
Tue, Sep 1 - Tue, Sep 15
Multiple Airlines Logo
2:05 pm - 7:10 am
POA
-
BOS
18h 05m
2 stops
Multiple Airlines Logo
8:45 am - 9:30 am
BOS
-
POA
23h 45m
2 stops
$740Multiple Airlines
Mon, Aug 10 - Thu, Aug 27
Multiple Airlines Logo
6:25 pm - 7:10 am
POA
-
BOS
37h 45m
2 stops
Multiple Airlines Logo
8:45 am - 10:50 am
BOS
-
POA
25h 05m
2 stops
$770Multiple Airlines
Tue, Jul 28 - Tue, Aug 11
Multiple Airlines Logo
6:25 pm - 6:50 am
POA
-
BOS
37h 25m
2 stops
Multiple Airlines Logo
9:55 am - 10:45 pm
BOS
-
POA
35h 50m
2 stops
$778Multiple Airlines
Thu, Sep 17 - Fri, Sep 25
Avianca Logo
11:30 am - 6:50 am
POA
-
BOS
44h 20m
2 stops
Avianca Logo
8:45 am - 10:50 am
BOS
-
POA
25h 05m
2 stops
$789Avianca
Thu, Aug 27 - Thu, Sep 17
Multiple Airlines Logo
2:05 pm - 7:10 am
POA
-
BOS
18h 05m
2 stops
Multiple Airlines Logo
8:45 am - 9:30 am
BOS
-
POA
23h 45m
2 stops
$794Multiple Airlines
Mon, Aug 10 - Thu, Aug 27
Avianca Logo
6:25 pm - 7:10 am
POA
-
BOS
37h 45m
2 stops
Avianca Logo
8:45 am - 10:50 am
BOS
-
POA
25h 05m
2 stops
$796Avianca
Tue, Jul 28 - Tue, Aug 11
Avianca Logo
6:25 pm - 7:10 am
POA
-
BOS
37h 45m
2 stops
Avianca Logo
8:45 am - 10:50 am
BOS
-
POA
25h 05m
2 stops
$797Avianca
Tue, Jul 28 - Tue, Aug 11
Multiple Airlines Logo
2:05 pm - 7:10 am
POA
-
BOS
18h 05m
2 stops
Multiple Airlines Logo
8:45 am - 12:15 pm
BOS
-
POA
26h 30m
2 stops
$800Multiple Airlines
Mon, Aug 10 - Thu, Aug 27
Avianca Logo
6:25 pm - 7:10 am
POA
-
BOS
37h 45m
2 stops
Avianca Logo
8:45 am - 8:30 pm
BOS
-
POA
34h 45m
2 stops
$801Avianca
Tue, Aug 4 - Thu, Sep 17

GOL flights from Porto Alegre to Boston

Our best GOL deals on Porto Alegre to Boston flight tickets
GOL
Sep 21
POA4:40 amPorto Alegre Salgado Filho
18h 13m
2 stops
BOS9:53 pmBoston Logan Intl
Oct 5
BOS1:17 pmBoston Logan Intl
33h 23m
2 stops
POA11:40 pmPorto Alegre Salgado Filho
$899
GOL
Sep 21
POA4:40 amPorto Alegre Salgado Filho
18h 13m
2 stops
BOS9:53 pmBoston Logan Intl
Oct 5
BOS5:04 pmBoston Logan Intl
29h 36m
2 stops
POA11:40 pmPorto Alegre Salgado Filho
$900
GOL
Sep 21
POA4:40 amPorto Alegre Salgado Filho
18h 13m
2 stops
BOS9:53 pmBoston Logan Intl
Oct 5
BOS5:04 pmBoston Logan Intl
29h 36m
2 stops
POA11:40 pmPorto Alegre Salgado Filho
$901

Avianca flights from Porto Alegre to Boston

Our best Avianca deals on Porto Alegre to Boston flight tickets
Avianca
Aug 27
POA11:30 amPorto Alegre Salgado Filho
44h 20m
2 stops
BOS6:50 amBoston Logan Intl
Sep 17
BOS8:45 amBoston Logan Intl
25h 05m
2 stops
POA10:50 amPorto Alegre Salgado Filho
$789
Avianca
Jul 28
POA6:25 pmPorto Alegre Salgado Filho
37h 45m
2 stops
BOS7:10 amBoston Logan Intl
Aug 11
BOS8:45 amBoston Logan Intl
25h 05m
2 stops
POA10:50 amPorto Alegre Salgado Filho
$796
Avianca
Jul 28
POA6:25 pmPorto Alegre Salgado Filho
37h 45m
2 stops
BOS7:10 amBoston Logan Intl
Aug 11
BOS8:45 amBoston Logan Intl
25h 05m
2 stops
POA10:50 amPorto Alegre Salgado Filho
$797

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 June 8, 2026.
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

Cheapest round-trip

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

Tue 9/1

6:25 pm-7:10 am

2 stops37h 45m

Boston Logan Intl

Tue 9/15

8:45 am-10:50 am

2 stops25h 05m

$643
Quickest round-trip

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

Mon 8/10

2:05 pm-7:10 am

2 stops18h 05m

Boston Logan Intl

Thu 8/27

8:45 am-9:30 am

2 stops23h 45m

$740

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

Tue 7/28

6:25 pm-7:10 am

2 stops37h 45m

Boston Logan Intl

Tue 8/11

8:45 am-10:50 am

2 stops25h 05m

$770

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

Thu 9/17

6:25 pm-6:50 am

2 stops37h 25m

Boston Logan Intl

Fri 9/25

9:55 am-10:45 pm

2 stops35h 50m

$778

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

Thu 8/27

11:30 am-6:50 am

2 stops44h 20m

Boston Logan Intl

Thu 9/17

8:45 am-10:50 am

2 stops25h 05m

$789

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

Mon 8/10

2:05 pm-7:10 am

2 stops18h 05m

Boston Logan Intl

Thu 8/27

8:45 am-9:30 am

2 stops23h 45m

$794

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

Tue 7/28

6:25 pm-7:10 am

2 stops37h 45m

Boston Logan Intl

Tue 8/11

8:45 am-10:50 am

2 stops25h 05m

$796

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

Tue 7/28

6:25 pm-7:10 am

2 stops37h 45m

Boston Logan Intl

Tue 8/11

8:45 am-10:50 am

2 stops25h 05m

$797

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

Mon 8/10

2:05 pm-7:10 am

2 stops18h 05m

Boston Logan Intl

Thu 8/27

8:45 am-12:15 pm

2 stops26h 30m

$800

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

Tue 8/4

6:25 pm-7:10 am

2 stops37h 45m

Boston Logan Intl

Thu 9/17

8:45 am-8:30 pm

2 stops34h 45m

$801

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 typical price of a round-trip flight between Porto Alegre and Boston?

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 $610. If you aren’t able to travel during the month of November, then book flights to Boston from Porto Alegre during September instead. Flights to Boston in September, while not as cheap as those in November, still average around $610.

How far in advance should I book a flight from Porto Alegre 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 $786 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 25% 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

Fastest flight time

18h 05m

Direct flights

None
The fastest flight from Porto Alegre to Boston takes 18h 05m
There are no direct flights from Porto Alegre to Boston. There are no popular flight routes from Porto Alegre to Boston.
Search flight deals

Frequently asked questions about flying from Porto Alegre to Boston

  • 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 18h 05m.

  • 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
Copa AirlinesPriceFrom $560Free CancellationRating
7.5
1,568 reviews
Search Copa 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
Old Orchard Beach
Hampton
York Beach
Kennebunkport
Cambridge
Plymouth
South Yarmouth
Gloucester
Narragansett
Revere
Brockton
Warwick
Falmouth
Chatham
Laconia
Sturbridge
Dennis Port

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.

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