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Cheap flights from Porto Alegre to Boston from $307

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 4/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

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Copa Airlines Logo
1:35 am - 1:24 pmPOA-BOS
13h 49m1 stop
Copa Airlines Logo
7:34 am - 12:30 amBOS-POA
14h 56m1 stop
$658Copa Airlines
Find Deal
lun., nov. 24 - vie., dic. 5
Copa Airlines Logo
1:35 am - 10:03 pmPOA-BOS
22h 28m1 stop
Copa Airlines Logo
7:34 am - 12:30 amBOS-POA
14h 56m1 stop
$711Copa Airlines
Find Deal
mié., nov. 26 - dom., dic. 7
GOL Logo
1:40 pm - 6:35 amPOA-BOS
18h 55m2 stops
GOL Logo
7:55 am - 9:55 amBOS-POA
24h 00m2 stops
$752GOL
Find Deal
mié., dic. 10 - mar., feb. 24
United Airlines Logo
5:10 pm - 12:06 pmPOA-BOS
19h 56m2 stops
United Airlines Logo
10:57 am - 2:35 pmBOS-POA
26h 38m2 stops
$755United Airlines
Find Deal
mar., mar. 17 - dom., mar. 22
United Airlines Logo
3:25 pm - 11:10 amPOA-BOS
20h 45m2 stops
United Airlines Logo
4:48 pm - 2:35 pmBOS-POA
20h 47m2 stops
$757United Airlines
Find Deal
mar., mar. 17 - dom., mar. 22
Avianca Logo
6:00 pm - 6:35 amPOA-BOS
38h 35m2 stops
Avianca Logo
7:55 am - 11:50 pmBOS-POA
37h 55m2 stops
$769Avianca
Find Deal
mar., nov. 11 - mar., nov. 18
Avianca Logo
11:40 am - 6:35 amPOA-BOS
44h 55m2 stops
Avianca Logo
7:55 am - 11:50 pmBOS-POA
37h 55m2 stops
$771Avianca
Find Deal
mar., nov. 11 - mar., nov. 18
LATAM Airlines Logo
2:50 pm - 6:35 amPOA-BOS
17h 45m1 stop
LATAM Airlines Logo
3:39 pm - 5:00 pmBOS-POA
23h 21m2 stops
$799LATAM Airlines
Find Deal
jue., nov. 27 - dom., dic. 7
LATAM Airlines Logo
5:50 pm - 6:35 amPOA-BOS
14h 45m1 stop
LATAM Airlines Logo
3:39 pm - 5:00 pmBOS-POA
23h 21m2 stops
$801LATAM Airlines
Find Deal
jue., nov. 27 - dom., dic. 7
GOL Logo
11:40 am - 6:35 amPOA-BOS
20h 55m2 stops
GOL Logo
2:30 pm - 4:30 pmBOS-POA
24h 00m2 stops
$877GOL
Find Deal
mié., nov. 12 - dom., nov. 30

American Airlines flights from Porto Alegre to Boston

Our best American Airlines deals on Porto Alegre to Boston flight tickets
American Airlines
Jan 22
POA7:20 pmPorto Alegre Salgado Filho
16h 09m
2 stops
BOS9:29 amBoston Logan Intl
Feb 5
BOS3:35 pmBoston Logan Intl
17h 20m
2 stops
POA10:55 amPorto Alegre Salgado Filho
$843
Find similar
American Airlines
Dec 10
POA7:30 pmPorto Alegre Salgado Filho
22h 17m
2 stops
BOS3:47 pmBoston Logan Intl
Feb 22
BOS6:59 pmBoston Logan Intl
20h 46m
2 stops
POA5:45 pmPorto Alegre Salgado Filho
$978
Find similar
American Airlines
Nov 20
POA7:30 pmPorto Alegre Salgado Filho
22h 20m
2 stops
BOS3:50 pmBoston Logan Intl
Dec 1
BOS7:17 pmBoston Logan Intl
19h 53m
2 stops
POA5:10 pmPorto Alegre Salgado Filho
$1,038
Find similar

United Airlines flights from Porto Alegre to Boston

Our best United Airlines deals on Porto Alegre to Boston flight tickets
United Airlines
Mar 17
POA5:10 pmPorto Alegre Salgado Filho
19h 56m
2 stops
BOS12:06 pmBoston Logan Intl
Mar 22
BOS10:57 amBoston Logan Intl
26h 38m
2 stops
POA2:35 pmPorto Alegre Salgado Filho
$755
Find similar
United Airlines
Mar 17
POA3:25 pmPorto Alegre Salgado Filho
20h 45m
2 stops
BOS11:10 amBoston Logan Intl
Mar 22
BOS4:48 pmBoston Logan Intl
20h 47m
2 stops
POA2:35 pmPorto Alegre Salgado Filho
$757
Find similar
United Airlines
Apr 3
POA5:10 pmPorto Alegre Salgado Filho
16h 34m
2 stops
BOS8:44 amBoston Logan Intl
Apr 6
BOS6:33 pmBoston Logan Intl
19h 02m
2 stops
POA2:35 pmPorto Alegre Salgado Filho
$972
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 octubre 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

lun. 11/24

1:35 am-1:24 pm

1 stop13h 49m

Boston Logan Intl

vie. 12/5

7:34 am-12:30 am

1 stop14h 56m

$658

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

mié. 11/26

1:35 am-10:03 pm

1 stop22h 28m

Boston Logan Intl

dom. 12/7

7:34 am-12:30 am

1 stop14h 56m

$711

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

mié. 12/10

1:40 pm-6:35 am

2 stops18h 55m

Boston Logan Intl

mar. 2/24

7:55 am-9:55 am

2 stops24h 00m

$752

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

mar. 3/17

5:10 pm-12:06 pm

2 stops19h 56m

Boston Logan Intl

dom. 3/22

10:57 am-2:35 pm

2 stops26h 38m

$755

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

mar. 3/17

3:25 pm-11:10 am

2 stops20h 45m

Boston Logan Intl

dom. 3/22

4:48 pm-2:35 pm

2 stops20h 47m

$757

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

mar. 11/11

6:00 pm-6:35 am

2 stops38h 35m

Boston Logan Intl

mar. 11/18

7:55 am-11:50 pm

2 stops37h 55m

$769

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

mar. 11/11

11:40 am-6:35 am

2 stops44h 55m

Boston Logan Intl

mar. 11/18

7:55 am-11:50 pm

2 stops37h 55m

$771

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

jue. 11/27

2:50 pm-6:35 am

1 stop17h 45m

Boston Logan Intl

dom. 12/7

3:39 pm-5:00 pm

2 stops23h 21m

$799

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

jue. 11/27

5:50 pm-6:35 am

1 stop14h 45m

Boston Logan Intl

dom. 12/7

3:39 pm-5:00 pm

2 stops23h 21m

$801

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

mié. 11/12

11:40 am-6:35 am

2 stops20h 55m

Boston Logan Intl

dom. 11/30

2:30 pm-4:30 pm

2 stops24h 00m

$877

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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, June 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 $539. If you aren’t able to travel during the month of June, then book flights to Boston from Porto Alegre during November instead. Flights to Boston in November, while not as cheap as those in June, still average around $610.

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 $755 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 46% 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?

As of October 2025, prices for Porto Alegre to Boston flights are approximately 15% cheaper when compared to flights at the same time last year.

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

Direct flights

None
There are no direct flights from Porto Alegre to Boston. There are no popular flight routes from Porto Alegre to Boston.
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 49m.

  • 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
7.6
1,563 reviews
Search Copa Airlines flights
United AirlinesPriceFrom $624Free CancellationRating
7.4
8,998 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
Old Orchard Beach
Hampton
York Beach
Plymouth
Kennebunkport
Cambridge
South Yarmouth
Narragansett
Nashua
Gloucester
Falmouth
Laconia
Brockton
Concord
Everett
Sturbridge
Warwick

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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