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Cheap flights from New Hampshire to Porto Alegre from $347

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New Hampshire to Porto Alegre departing on 10/15. 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
Travel Warning: Due to flooding, the airport may be currently closed. Check local travel advisories before booking.

Find the cheapest flights from New Hampshire to Porto Alegre

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:45 am - 3:40 pm-
29h 55m
Multiple Airlines Logo
5:40 am - 7:35 am-
26h 55m
$717Multiple Airlines
Thu, Oct 15 - Mon, Oct 26
Multiple Airlines Logo
8:45 am - 10:45 am-
25h 00m
Multiple Airlines Logo
6:45 pm - 6:50 am-
37h 05m
$717Multiple Airlines
Tue, Aug 25 - Thu, Sep 17
LATAM Airlines Logo
1:35 pm - 4:50 pm-
25h 15m
LATAM Airlines Logo
3:50 am - 11:59 pm-
22h 09m
$725LATAM Airlines
Thu, Nov 12 - Sat, Nov 14
LATAM Airlines Logo
8:55 am - 8:30 am-
21h 35m
LATAM Airlines Logo
6:00 pm - 2:33 pm-
22h 33m
$728LATAM Airlines
Sun, Nov 15 - Tue, Nov 17
Copa Airlines Logo
8:47 am - 12:20 am-
14h 33m
Copa Airlines Logo
1:25 am - 11:02 pm-
22h 37m
$745Copa Airlines
Thu, Oct 15 - Sun, Oct 25
LATAM Airlines Logo
7:05 am - 4:50 pm-
31h 45m
LATAM Airlines Logo
10:45 am - 6:45 am-
21h 00m
$748LATAM Airlines
Tue, Nov 24 - Sat, Mar 20
Copa Airlines Logo
8:45 am - 12:15 am-
14h 30m
Copa Airlines Logo
1:20 am - 11:02 pm-
22h 42m
$760Copa Airlines
Tue, Aug 25 - Wed, Sep 16
Avianca Logo
8:45 am - 8:30 pm-
34h 45m
Avianca Logo
11:45 am - 7:35 am-
20h 50m
$762Avianca
Thu, Oct 15 - Mon, Oct 26
United Airlines Logo
3:03 pm - 2:35 pm-
21h 32m
United Airlines Logo
5:10 pm - 12:47 pm-
21h 37m
$872United Airlines
Wed, Dec 2 - Fri, Dec 11
United Airlines Logo
9:30 am - 4:20 pm-
29h 50m
United Airlines Logo
3:30 pm - 12:46 am-
34h 16m
$1,241United Airlines
Thu, Oct 15 - Mon, Oct 26

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LATAM Airlines flights from New Hampshire to Porto Alegre

Our best LATAM Airlines deals on New Hampshire to Porto Alegre flight tickets
LATAM Airlines
Nov 12
BOS1:35 pmBoston Logan Intl
25h 15m
2 stops
POA4:50 pmPorto Alegre Salgado Filho
Nov 14
POA3:50 amPorto Alegre Salgado Filho
22h 09m
2 stops
BOS11:59 pmBoston Logan Intl
$725
LATAM Airlines
Nov 15
BOS8:55 amBoston Logan Intl
21h 35m
1 stop
POA8:30 amPorto Alegre Salgado Filho
Nov 17
POA6:00 pmPorto Alegre Salgado Filho
22h 33m
2 stops
BOS2:33 pmBoston Logan Intl
$728
LATAM Airlines
Nov 24
BOS7:05 amBoston Logan Intl
31h 45m
2 stops
POA4:50 pmPorto Alegre Salgado Filho
Mar 20
POA10:45 amPorto Alegre Salgado Filho
21h 00m
1 stop
BOS6:45 amBoston Logan Intl
$748

Copa Airlines flights from New Hampshire to Porto Alegre

Our best Copa Airlines deals on New Hampshire to Porto Alegre flight tickets
Copa Airlines
Sep 15
BOS8:47 amBoston Logan Intl
14h 33m
1 stop
POA12:20 amPorto Alegre Salgado Filho
Oct 3
POA1:20 amPorto Alegre Salgado Filho
14h 09m
1 stop
BOS2:29 pmBoston Logan Intl
$700
Copa Airlines
Oct 15
BOS8:47 amBoston Logan Intl
14h 33m
1 stop
POA12:20 amPorto Alegre Salgado Filho
Oct 25
POA1:25 amPorto Alegre Salgado Filho
22h 37m
1 stop
BOS11:02 pmBoston Logan Intl
$745
Copa Airlines
Aug 25
BOS8:45 amBoston Logan Intl
14h 30m
1 stop
POA12:15 amPorto Alegre Salgado Filho
Sep 16
POA1:20 amPorto Alegre Salgado Filho
22h 42m
1 stop
BOS11:02 pmBoston Logan Intl
$760

momondo 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, momondo users made 832,500 searches. Data last updated August 5, 2026.
Use the filters below to find and compare flights from New Hampshire to Porto Alegre that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Thu 10/15

8:45 am-3:40 pm

2 stops29h 55m

Porto Alegre Salgado Filho

Mon 10/26

5:40 am-7:35 am

2 stops26h 55m

$717

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Tue 8/25

8:45 am-10:45 am

2 stops25h 00m

Porto Alegre Salgado Filho

Thu 9/17

6:45 pm-6:50 am

2 stops37h 05m

$717

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Thu 11/12

1:35 pm-4:50 pm

2 stops25h 15m

Porto Alegre Salgado Filho

Sat 11/14

3:50 am-11:59 pm

2 stops22h 09m

$725

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Sun 11/15

8:55 am-8:30 am

1 stop21h 35m

Porto Alegre Salgado Filho

Tue 11/17

6:00 pm-2:33 pm

2 stops22h 33m

$728
Quickest round-trip

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Thu 10/15

8:47 am-12:20 am

1 stop14h 33m

Porto Alegre Salgado Filho

Sun 10/25

1:25 am-11:02 pm

1 stop22h 37m

$745

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Tue 11/24

7:05 am-4:50 pm

2 stops31h 45m

Porto Alegre Salgado Filho

Sat 3/20

10:45 am-6:45 am

1 stop21h 00m

$748

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Tue 8/25

8:45 am-12:15 am

1 stop14h 30m

Porto Alegre Salgado Filho

Wed 9/16

1:20 am-11:02 pm

1 stop22h 42m

$760

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Thu 10/15

8:45 am-8:30 pm

2 stops34h 45m

Porto Alegre Salgado Filho

Mon 10/26

11:45 am-7:35 am

2 stops20h 50m

$762

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Wed 12/2

3:03 pm-2:35 pm

2 stops21h 32m

Porto Alegre Salgado Filho

Fri 12/11

5:10 pm-12:47 pm

2 stops21h 37m

$872

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Thu 10/15

9:30 am-4:20 pm

2 stops29h 50m

Porto Alegre Salgado Filho

Mon 10/26

3:30 pm-12:46 am

3 stops34h 16m

$1,241

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 Porto Alegre from

How to get the cheapest flight ticket from New Hampshire to Porto Alegre

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 airline that flies from New Hampshire to Porto Alegre Salgado Filho?

Copa Airlines, LATAM Airlines, and United Airlines are the most popular carriers operating from New Hampshire to Porto Alegre Salgado Filho

Cheap New Hampshire to Porto Alegre flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New Hampshire to Porto Alegre

Fastest flight time

21h 27m

Direct flights

None
The fastest flight from New Hampshire to Porto Alegre takes 21h 27m
There are no direct flights from New Hampshire to Porto Alegre. There are no popular flight routes from New Hampshire to Porto Alegre.
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Frequently asked questions about flying from New Hampshire to Porto Alegre

  • When did momondo last update prices for flights from New Hampshire to Porto Alegre Salgado Filho Airport?

    Prices for flights from New Hampshire to Porto Alegre Salgado Filho Airport were last updated today.

  • How many operators does momondo search for flights from New Hampshire to Porto Alegre Salgado Filho Airport?

  • How old do you have to be to fly from New Hampshire to Porto Alegre Salgado Filho Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from New Hampshire to Porto Alegre Salgado Filho Airport.

  • What documentation or ID do you need to fly to Porto Alegre Salgado Filho Airport?

    The travel and health documents required for your trip to Porto Alegre Salgado Filho Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Porto Alegre Salgado Filho Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from New Hampshire to Porto Alegre?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from New Hampshire to Porto Alegre. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from New Hampshire to Porto Alegre with flexible booking policies on momondo?

All flight searches from New Hampshire to Porto Alegre on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from New Hampshire to Porto Alegre?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from New Hampshire to Porto Alegre.

I’m not ready to book a flight from New Hampshire to Porto Alegre right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Porto Alegre, momondo offers a useful price alert feature which will track prices for flights to Porto Alegre from New Hampshire and alert you when they change.

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