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Porto Alegre

$292+ Cheap flights from New Hampshire to Porto Alegre (POA)

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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — POA
Nov 22 — Nov 291
Sat 11/22
Sat 11/29
1 adult, Economy
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Cheap 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 October 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$547
(United Airlines)

One-way from

$292
(United Airlines)

Popular in

August

Cheapest in

June

Average price

$679
Provider with most accurate pricing for Boston Logan Intl-Porto Alegre Salgado Filho flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Porto Alegre Salgado Filho flights.
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From New Hampshire to Porto Alegre Salgado Filho
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One-way flight from New Hampshire to Porto Alegre Salgado Filho
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Highest demand for flights based on searches. 15% potential increase in price ($137 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 October 23, 2025.

This United Airlines deal was found by Cheapflights users on 10/21. 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 11/103:10 pmBOS - POA
2 stops20h 55mUnited Airlines
Tue 11/253:25 pmPOA - BOS
2 stops23h 19mUnited Airlines
Deal found 10/21$547
This United Airlines deal was found by Cheapflights users on 10/22. 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 11/47:00 amBOS - POA
2 stops31h 20mUnited Airlines
Wed 11/263:25 pmPOA - BOS
2 stops21h 09mUnited Airlines
Deal found 10/22$548
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Sun 11/99:30 amBOS - POA
2 stops26h 40mUnited Airlines
Tue 11/253:25 pmPOA - BOS
2 stops21h 09mUnited Airlines
Deal found 10/21$622
This United Airlines deal was found by Cheapflights users on 10/22. 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 11/32:21 pmBOS - POA
2 stops23h 59mUnited Airlines
Wed 11/263:25 pmPOA - BOS
2 stops24h 43mUnited Airlines
Deal found 10/22$623
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Wed 11/54:15 pmBOS - POA
2 stops44h 05mUnited Airlines
Wed 11/265:10 pmPOA - BOS
2 stops21h 34mUnited Airlines
Deal found 10/22$631
This Copa Airlines deal was found by Cheapflights users on 10/21. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/127:34 amBOS - POA
1 stop14h 56mCopa Airlines
Tue 11/251:35 amPOA - BOS
1 stop22h 28mCopa Airlines
Deal found 10/21$638
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Sun 11/99:30 amBOS - POA
2 stops26h 40mUnited Airlines
Mon 11/243:25 pmPOA - BOS
2 stops21h 09mUnited Airlines
Deal found 10/21$697
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Sun 11/27:05 amBOS - POA
2 stops31h 15mUnited Airlines
Thu 11/271:50 pmPOA - BOS
2 stops26h 31mUnited Airlines
Deal found 10/22$698
This LATAM Airlines deal was found by Cheapflights users on 10/22. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/38:55 amBOS - POA
1 stop13h 45mLATAM Airlines
Wed 12/36:40 amPOA - BOS
2 stops18h 45mLATAM Airlines
Deal found 10/22$709
This KAYAK deal was found by Cheapflights users on 10/21. 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.
Wed 11/128:55 amBOS - POA
2 stops27h 15mLATAM Airlines
Thu 11/2712:30 pmPOA - BOS
2 stops20h 05mLATAM Airlines
Deal found 10/21$713
This KAYAK deal was found by Cheapflights users on 10/21. 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.
Mon 11/101:10 pmBOS - POA
2 stops28h 00mLATAM Airlines
Thu 11/271:40 pmPOA - BOS
2 stops18h 55mLATAM Airlines
Deal found 10/21$717

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 October 23, 2025.
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

Mon 11/10

3:10 pm-2:05 pm

2 stops20h 55m

Porto Alegre Salgado Filho

Tue 11/25

3:25 pm-12:44 pm

2 stops23h 19m

$547

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Tue 11/11

12:25 pm-11:05 am

2 stops20h 40m

Porto Alegre Salgado Filho

Wed 11/26

5:10 pm-10:34 am

2 stops19h 24m

$547

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Tue 11/4

7:00 am-4:20 pm

2 stops31h 20m

Porto Alegre Salgado Filho

Wed 11/26

3:25 pm-10:34 am

2 stops21h 09m

$548

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Tue 3/24

7:00 am-5:00 pm

2 stops33h 00m

Porto Alegre Salgado Filho

Thu 3/26

4:45 am-11:29 pm

2 stops19h 44m

$581

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Mon 11/10

10:00 am-2:05 pm

3 stops26h 05m

Porto Alegre Salgado Filho

Mon 11/24

5:10 pm-10:34 am

2 stops19h 24m

$622

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Fri 11/14

3:09 pm-2:35 pm

2 stops21h 26m

Porto Alegre Salgado Filho

Tue 11/25

5:10 pm-12:44 pm

2 stops21h 34m

$622

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Thu 11/13

12:25 pm-11:05 am

2 stops20h 40m

Porto Alegre Salgado Filho

Tue 11/25

5:10 pm-12:44 pm

2 stops21h 34m

$622

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Thu 11/13

3:10 pm-11:05 am

2 stops17h 55m

Porto Alegre Salgado Filho

Wed 11/26

5:10 pm-10:34 am

2 stops19h 24m

$622

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Sun 11/9

9:30 am-2:10 pm

2 stops26h 40m

Porto Alegre Salgado Filho

Wed 11/26

3:25 pm-10:34 am

2 stops21h 09m

$622

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Mon 11/3

9:30 am-2:05 pm

2 stops26h 35m

Porto Alegre Salgado Filho

Wed 12/3

5:10 pm-10:38 am

2 stops19h 28m

$623

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/23

Showing 1-10 of 21 results
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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 20h 55m. The distance from New Hampshire to Porto Alegre is about 5153 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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