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Cheap flights from New Hampshire to Porto Alegre from $329

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 10/14. 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
0 bags
Travel Warning: Due to flooding, the airport may be currently closed. Check local travel advisories before booking.

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Find the cheapest flights from New Hampshire to Porto Alegre

Cheap round-trip flights

Copa Airlines Logo
8:41 am - 12:20 amBOS-POA
14h 39m1 stop
Copa Airlines Logo
1:30 am - 11:02 pmPOA-BOS
22h 32m1 stop
$635Copa Airlines
Find Deal
Wed, Oct 15 - Wed, Oct 29
Copa Airlines Logo
8:41 am - 12:20 amBOS-POA
14h 39m1 stop
Copa Airlines Logo
1:27 am - 7:22 pmPOA-BOS
18h 55m1 stop
$655Copa Airlines
Find Deal
Thu, Sep 18 - Fri, Sep 26
Logo
9:00 am - 10:45 amBOS-POA
24h 45m2 stops
Logo
8:55 pm - 7:15 amPOA-BOS
35h 20m2 stops
$661
Find Deal
Tue, Sep 16 - Tue, Sep 23
Logo
9:00 am - 8:45 amBOS-POA
22h 45m2 stops
Logo
11:25 am - 2:55 pmPOA-BOS
28h 30m3 stops
$673
Find Deal
Tue, Sep 16 - Tue, Sep 23
GOL Logo
4:30 pm - 11:35 amBOS-POA
18h 05m2 stops
GOL Logo
5:20 am - 12:34 amPOA-BOS
20h 14m2 stops
$726GOL
Find Deal
Tue, Oct 7 - Mon, Oct 20
GOL Logo
4:30 pm - 11:30 amBOS-POA
18h 00m2 stops
GOL Logo
5:10 am - 12:34 amPOA-BOS
20h 24m2 stops
$727GOL
Find Deal
Wed, Oct 15 - Thu, Oct 30
Avianca Logo
9:00 am - 10:25 amBOS-POA
24h 25m2 stops
Avianca Logo
11:15 am - 7:35 amPOA-BOS
45h 20m2 stops
$791Avianca
Find Deal
Thu, Oct 16 - Sun, Oct 26
Avianca Logo
9:00 am - 10:25 amBOS-POA
24h 25m2 stops
Avianca Logo
11:40 am - 7:35 amPOA-BOS
44h 55m2 stops
$821Avianca
Find Deal
Tue, Oct 14 - Tue, Oct 28
Air Canada Logo
6:30 pm - 2:35 pmBOS-POA
19h 05m2 stops
Air Canada Logo
5:10 pm - 7:12 pmPOA-BOS
28h 02m2 stops
$901Air Canada
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Wed, Oct 22 - Wed, Nov 5
Air Canada Logo
10:20 am - 2:35 pmBOS-POA
27h 15m2 stops
Air Canada Logo
2:05 pm - 9:52 amPOA-BOS
21h 47m2 stops
$908Air Canada
Find Deal
Wed, Oct 22 - Thu, Nov 6

Copa Airlines flights from New Hampshire to Porto Alegre

Our best Copa Airlines deals on New Hampshire to Porto Alegre flight tickets
Copa Airlines
Oct 15
BOS8:41 amBoston Logan Intl
14h 39m
1 stop
POA12:20 amPorto Alegre Salgado Filho
Oct 29
POA1:30 amPorto Alegre Salgado Filho
22h 32m
1 stop
BOS11:02 pmBoston Logan Intl
$635
Find similar
Copa Airlines
Sep 18
BOS8:41 amBoston Logan Intl
14h 39m
1 stop
POA12:20 amPorto Alegre Salgado Filho
Sep 26
POA1:27 amPorto Alegre Salgado Filho
18h 55m
1 stop
BOS7:22 pmBoston Logan Intl
$655
Find similar
Copa Airlines
Sep 18
BOS8:41 amBoston Logan Intl
14h 39m
1 stop
POA12:20 amPorto Alegre Salgado Filho
Sep 26
POA1:27 amPorto Alegre Salgado Filho
18h 55m
1 stop
BOS7:22 pmBoston Logan Intl
$675
Find similar

LATAM Airlines flights from New Hampshire to Porto Alegre

Our best LATAM Airlines deals on New Hampshire to Porto Alegre flight tickets
LATAM Airlines
Oct 20
BOS9:55 amBoston Logan Intl
29h 25m
2 stops
POA4:20 pmPorto Alegre Salgado Filho
Nov 3
POA7:30 pmPorto Alegre Salgado Filho
37h 05m
2 stops
BOS6:35 amBoston Logan Intl
$945
Find similar
LATAM Airlines
Aug 22
BOS7:15 amBoston Logan Intl
35h 35m
2 stops
POA7:50 pmPorto Alegre Salgado Filho
Aug 25
POA8:00 pmPorto Alegre Salgado Filho
28h 59m
2 stops
BOS11:59 pmBoston Logan Intl
$950
Find similar
LATAM Airlines
Dec 14
BOS3:50 pmBoston Logan Intl
23h 10m
2 stops
POA5:00 pmPorto Alegre Salgado Filho
Jan 14
POA7:45 amPorto Alegre Salgado Filho
19h 14m
2 stops
BOS12:59 amBoston Logan Intl
$957
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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 6, 2025.
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

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Wed 10/15

8:41 am-12:20 am

1 stop14h 39m

Porto Alegre Salgado Filho

Wed 10/29

1:30 am-11:02 pm

1 stop22h 32m

$635

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Thu 9/18

8:41 am-12:20 am

1 stop14h 39m

Porto Alegre Salgado Filho

Fri 9/26

1:27 am-7:22 pm

1 stop18h 55m

$655

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Tue 9/16

9:00 am-10:45 am

2 stops24h 45m

Porto Alegre Salgado Filho

Tue 9/23

8:55 pm-7:15 am

2 stops35h 20m

$661

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Tue 9/16

9:00 am-8:45 am

2 stops22h 45m

Porto Alegre Salgado Filho

Tue 9/23

11:25 am-2:55 pm

3 stops28h 30m

$673

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Tue 10/7

4:30 pm-11:35 am

2 stops18h 05m

Porto Alegre Salgado Filho

Mon 10/20

5:20 am-12:34 am

2 stops20h 14m

$726

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Wed 10/15

4:30 pm-11:30 am

2 stops18h 00m

Porto Alegre Salgado Filho

Thu 10/30

5:10 am-12:34 am

2 stops20h 24m

$727

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Thu 10/16

9:00 am-10:25 am

2 stops24h 25m

Porto Alegre Salgado Filho

Sun 10/26

11:15 am-7:35 am

2 stops45h 20m

$791

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Tue 10/14

9:00 am-10:25 am

2 stops24h 25m

Porto Alegre Salgado Filho

Tue 10/28

11:40 am-7:35 am

2 stops44h 55m

$821

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Wed 10/22

6:30 pm-2:35 pm

2 stops19h 05m

Porto Alegre Salgado Filho

Wed 11/5

5:10 pm-7:12 pm

2 stops28h 02m

$901

BostonPorto Alegre

BOS - POA

BOSPOA

Boston Logan Intl

Wed 10/22

10:20 am-2:35 pm

2 stops27h 15m

Porto Alegre Salgado Filho

Thu 11/6

2:05 pm-9:52 am

2 stops21h 47m

$908

Flights are sorted by cheapest round-trip flights 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 month to fly to Porto Alegre?

The cheapest month to fly to Porto Alegre from New Hampshire is in June. Flight prices, which tend to average around $486, are often lower during this time because this is during the off-season. If you’re not able to fly to Porto Alegre in June, then September is your next best option. Flight prices from New Hampshire to Porto Alegre during September average around $541.

What is the cheapest day to depart on your flight to Porto Alegre?

Our data shows that Tuesday is the least expensive day to fly to Porto Alegre. Tickets to fly out on this day can be as low as $714. On the other hand, Friday is the most expensive day to depart from New Hampshire because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,701.

What is the cheapest time of day to depart on your flight to Porto Alegre?

Our most recent data shows that the best time of day to fly to Porto Alegre is in the evening. Flights from New Hampshire to Porto Alegre during this time can be as low as $865. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,064 on average. Flights to Porto Alegre from New Hampshire at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

Best Price Found

$329

Fastest flight time

13h 30m

Direct flights

None

Airports in Porto Alegre

1 airport
The best one-way flight to Porto Alegre from New Hampshire in the past 72 hours is $329. The best round-trip flight deal from New Hampshire to Porto Alegre found on momondo in the last 72 hours is $635.
The fastest flight from New Hampshire to Porto Alegre takes 13h 30m
There are no direct flights from New Hampshire to Porto Alegre. Popular non-direct routes for this connection are Manchester Airport - Porto Alegre Salgado Filho Airport and Boston Logan Intl Airport - Porto Alegre Salgado Filho Airport.
There is 1 airport near Porto Alegre: Porto Alegre Salgado Filho (POA)
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  • 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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