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Porto Alegre

$604+ Cheap flights from New Hampshire to Porto Alegre (POA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — POA
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from New Hampshire to Porto Alegre

Cheapest flights from New Hampshire to Porto Alegre
Explore the most affordable flight options available from New Hampshire to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This United Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/179:30 am
BOS
-
POA
2 stops27h 55m
United Airlines
Thu 3/193:30 pm
POA
-
BOS
2 stops34h 05m
United Airlines
Deal found 1/28$604
This Orbitz deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/216:53 pm
BOS
-
POA
2 stops44h 07m
Multiple Airlines
Mon 3/25:55 pm
POA
-
BOS
2 stops18h 20m
Multiple Airlines
Deal found 1/26$973
This Expedia deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/146:55 am
BOS
-
POA
2 stops25h 25m
LATAM Airlines
Sat 3/216:40 am
POA
-
BOS
2 stops19h 29m
LATAM Airlines
Deal found 1/28$998
This Cheapflightsfares deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/211:04 pm
BOS
-
POA
2 stops25h 56m
LATAM Airlines
Mon 3/27:45 am
POA
-
BOS
2 stops19h 24m
LATAM Airlines
Deal found 1/28$1,061
This United Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/169:45 am
BOS
-
POA
2 stops24h 00m
United Airlines
Sat 3/73:40 pm
POA
-
BOS
2 stops22h 09m
United Airlines
Deal found 1/27$1,117
This Delta deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/168:55 am
BOS
-
POA
1 stop13h 45m
Delta
Sat 3/78:10 pm
POA
-
BOS
2 stops17h 38m
Delta
Deal found 1/27$1,131
This Expedia deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/138:59 pm
BOS
-
POA
2 stops42h 06m
Multiple Airlines
Sun 3/811:40 am
POA
-
BOS
2 stops44h 55m
Multiple Airlines
Deal found 1/28$1,182
This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/214:25 pm
BOS
-
POA
2 stops45h 55m
United Airlines
Mon 3/23:25 pm
POA
-
BOS
3 stops47h 21m
United Airlines
Deal found 1/26$1,219
This KAYAK deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/147:59 pm
BOS
-
POA
2 stops26h 41m
LATAM Airlines
Sat 2/216:00 pm
POA
-
BOS
3 stops31h 59m
LATAM Airlines
Deal found 1/27$1,266
This Expedia deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/207:00 am
MHT
-
POA
2 stops33h 05m
Multiple Airlines
Fri 4/312:35 pm
POA
-
MHT
2 stops52h 04m
Multiple Airlines
Deal found 1/28$3,237
This American Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2012:05 pm
MHT
-
POA
3 stops21h 30m
American Airlines
Fri 4/35:10 pm
POA
-
MHT
3 stops23h 36m
American Airlines
Deal found 1/28$3,733

Find flight deals from New Hampshire to Porto Alegre

Keep the following information in mind while searching for New Hampshire to Porto Alegre flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$604
(United Airlines)

Popular in

December

Cheapest in

June

Average price

$715
Provider with most accurate pricing for Boston Logan Intl-Porto Alegre Salgado Filho flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Porto Alegre Salgado Filho flights.
Search Deals
From New Hampshire to Porto Alegre Salgado Filho
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($204 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($71 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from New Hampshire 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 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from New Hampshire to Porto Alegre that are best for you.

Fly from

New Hampshire

Fly to

Porto Alegre

Route

Depart

Return

Price

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Tue 3/17

9:30 am-2:25 pm

2 stops27h 55m

Porto Alegre Salgado Filho

Thu 3/19

3:30 pm-12:35 am

2 stops34h 05m

$604

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Sat 2/21

6:53 pm-5:00 pm

2 stops44h 07m

Porto Alegre Salgado Filho

Mon 3/2

5:55 pm-10:15 am

2 stops18h 20m

$973

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Sat 3/14

6:55 am-9:20 am

2 stops25h 25m

Porto Alegre Salgado Filho

Sat 3/21

6:40 am-1:09 am

2 stops19h 29m

$998

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Sat 2/21

1:04 pm-5:00 pm

2 stops25h 56m

Porto Alegre Salgado Filho

Mon 3/2

7:45 am-1:09 am

2 stops19h 24m

$1,061

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Mon 2/16

9:45 am-11:45 am

2 stops24h 00m

Porto Alegre Salgado Filho

Sat 3/7

3:40 pm-11:49 am

2 stops22h 09m

$1,117

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Mon 2/16

8:55 am-12:40 am

1 stop13h 45m

Porto Alegre Salgado Filho

Sat 3/7

8:10 pm-11:48 am

2 stops17h 38m

$1,131

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Fri 2/13

8:59 pm-5:05 pm

2 stops42h 06m

Porto Alegre Salgado Filho

Sun 3/8

11:40 am-7:35 am

2 stops44h 55m

$1,182

ManchesterPorto Alegre

MHT - POA

MHTPOA

Manchester

Fri 3/20

7:00 am-5:05 pm

2 stops33h 05m

Porto Alegre Salgado Filho

Fri 4/3

12:35 pm-3:39 pm

2 stops52h 04m

$3,237

ManchesterPorto Alegre

MHT - POA

MHTPOA

Manchester

Fri 3/20

12:05 pm-10:35 am

3 stops21h 30m

Porto Alegre Salgado Filho

Fri 4/3

5:10 pm-3:46 pm

3 stops23h 36m

$3,733

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Best time to book a flight from New Hampshire to Porto Alegre

Have a flexible travel schedule? Discover the best time to fly to Porto Alegre from New Hampshire with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from New Hampshire to Porto Alegre
No data available for this route at this time. Please check back soon.

Related info for your journey

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

  • What airport do you fly into for flights to Porto Alegre from New Hampshire?

    Most people fly into Porto Alegre Salgado Filho (POA) if they book a flight to Porto Alegre from New Hampshire. Salgado Filho is conveniently located just 4.0 mi from Porto Alegre’s city center.

  • How long is the flight from New Hampshire to Porto Alegre?

    Departing from New Hampshire to Porto Alegre will take you 21h 30m. The distance from New Hampshire to Porto Alegre is about 5196 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from New Hampshire 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.

See more FAQs

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Alternative routes for New Hampshire to Porto Alegre

See prices for flight routes from nearby airports that may be better suited for you.
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