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Porto Alegre

$338+ 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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — POA
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
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 December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/11. 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 12/146:23 pmBOS - POA
2 stops45h 52mUnited Airlines
Thu 1/292:00 pmPOA - BOS
2 stops26h 29mUnited Airlines
Deal found 12/11$883
This Expedia deal was found by Cheapflights users on 12/11. 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.
Tue 12/238:07 pmBOS - POA
2 stops45h 18mMultiple Airlines
Thu 1/2912:40 pmPOA - BOS
1 stop19h 55mMultiple Airlines
Deal found 12/11$915
This Cheapflightsfares deal was found by Cheapflights users on 12/11. 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.
Fri 12/123:20 pmBOS - POA
2 stops23h 40mLATAM Airlines
Thu 1/2912:40 pmPOA - BOS
1 stop19h 55mLATAM Airlines
Deal found 12/11$1,054
This Expedia deal was found by Cheapflights users on 12/11. 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.
Thu 12/117:59 pmBOS - POA
2 stops43h 01mLATAM Airlines
Thu 1/2910:05 amPOA - BOS
1 stop22h 30mLATAM Airlines
Deal found 12/11$1,084
This Expedia deal was found by Cheapflights users on 12/11. 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.
Thu 12/117:59 pmBOS - POA
3 stops67h 01mMultiple Airlines
Thu 1/291:40 pmPOA - BOS
2 stops27h 09mMultiple Airlines
Deal found 12/11$1,141
This SmartFares deal was found by Cheapflights users on 12/11. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/258:55 amBOS - POA
1 stop13h 45mLATAM Airlines
Sun 1/182:05 pmPOA - BOS
2 stops43h 28mLATAM Airlines
Deal found 12/11$1,160
This Booking.com deal was found by Cheapflights users on 12/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/228:55 amBOS - POA
1 stop13h 45mMultiple Airlines
Thu 1/291:40 pmPOA - BOS
2 stops42h 55mMultiple Airlines
Deal found 12/11$1,185
This oojo deal was found by Cheapflights users on 12/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/258:55 amBOS - POA
1 stop13h 45mLATAM Airlines
Sun 12/2812:45 pmPOA - BOS
1 stop19h 50mLATAM Airlines
Deal found 12/11$1,205

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$582
(United Airlines)

One-way from

$338
(123 Milhas)

Popular in

December

Cheapest in

June

Average price

$1,368
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
One-way flight from New Hampshire to Porto Alegre Salgado Filho
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($157 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($54 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 12, 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

Fri 1/23

10:30 am-1:30 pm

2 stops25h 00m

Porto Alegre Salgado Filho

Thu 2/5

2:05 pm-10:52 am

2 stops22h 47m

$582

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Mon 3/9

8:44 am-12:25 am

1 stop14h 41m

Porto Alegre Salgado Filho

Sun 3/22

1:30 am-11:10 pm

1 stop22h 40m

$602

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Mon 3/2

7:45 am-4:20 pm

2 stops30h 35m

Porto Alegre Salgado Filho

Mon 3/9

3:25 pm-2:31 pm

2 stops24h 06m

$622

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Fri 1/23

8:55 am-9:20 am

1 stop22h 25m

Porto Alegre Salgado Filho

Thu 2/5

6:00 pm-6:35 am

2 stops38h 35m

$682

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Thu 3/5

9:30 am-4:20 pm

2 stops28h 50m

Porto Alegre Salgado Filho

Mon 3/9

3:25 pm-2:31 pm

2 stops24h 06m

$697

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Mon 3/2

8:55 am-9:05 am

1 stop22h 10m

Porto Alegre Salgado Filho

Mon 3/9

11:40 am-7:35 am

2 stops20h 55m

$709

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Sun 3/1

6:55 am-6:30 am

2 stops21h 35m

Porto Alegre Salgado Filho

Sun 3/8

5:55 pm-7:35 am

1 stop14h 40m

$711

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Fri 1/23

8:55 am-12:40 am

1 stop13h 45m

Porto Alegre Salgado Filho

Thu 2/5

5:55 pm-6:35 am

1 stop14h 40m

$713

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Mon 3/30

12:40 pm-11:50 am

2 stops22h 10m

Porto Alegre Salgado Filho

Tue 4/14

5:50 pm-7:35 am

1 stop14h 45m

$717

ManchesterPorto Alegre

MHT - POA

MHTPOA

Manchester

Sat 2/28

2:33 pm-3:25 pm

2 stops22h 52m

Porto Alegre Salgado Filho

Wed 3/4

5:10 pm-1:44 pm

2 stops22h 34m

$1,342

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 17 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 14h 41m. 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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