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Cheap flights from Porto Alegre to the United States from $228

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Porto Alegre to the United States departing on 9/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Porto Alegre to the United States

Cheap round-trip flights

GOL Logo
5:10 am - 4:50 pmPOA-MIA
12h 40m1 stop
GOL Logo
9:30 pm - 11:30 amMIA-POA
12h 00m1 stop
$462GOL
Find Deal
Thu, Oct 30 - Thu, Nov 6
Copa Airlines Logo
1:30 am - 10:44 pmPOA-MIA
22h 14m1 stop
Copa Airlines Logo
7:32 am - 12:30 amMIA-POA
14h 58m1 stop
$471Copa Airlines
Find Deal
Wed, Oct 29 - Mon, Nov 3
Copa Airlines Logo
1:25 am - 10:42 pmPOA-MIA
22h 17m1 stop
Copa Airlines Logo
6:27 am - 12:20 amMIA-POA
16h 53m1 stop
$472Copa Airlines
Find Deal
Tue, Sep 30 - Tue, Oct 14
GOL Logo
5:20 pm - 3:50 pmPOA-MIA
24h 30m1 stop
GOL Logo
9:30 pm - 11:30 amMIA-POA
12h 00m1 stop
$473GOL
Find Deal
Thu, Nov 13 - Wed, Nov 26
LATAM Airlines Logo
8:00 pm - 12:20 pmPOA-MCO
17h 20m2 stops
LATAM Airlines Logo
5:05 pm - 7:50 pmMCO-POA
25h 45m2 stops
$477LATAM Airlines
Find Deal
Thu, Oct 16 - Tue, Oct 21
LATAM Airlines Logo
8:10 pm - 1:40 pmPOA-MCO
18h 30m2 stops
LATAM Airlines Logo
4:06 pm - 6:30 amMCO-POA
12h 24m1 stop
$484LATAM Airlines
Find Deal
Mon, Oct 27 - Fri, Nov 7
Delta Logo
5:55 pm - 6:35 amPOA-BOS
14h 40m1 stop
Delta Logo
8:15 am - 6:30 amBOS-POA
20h 15m2 stops
$495Delta
Find Deal
Tue, Nov 25 - Fri, Dec 5
Delta Logo
5:55 pm - 7:35 amPOA-BOS
14h 40m1 stop
Delta Logo
8:55 am - 12:25 amBOS-POA
13h 30m1 stop
$502Delta
Find Deal
Thu, Oct 30 - Mon, Nov 10
American Airlines Logo
1:55 pm - 10:16 amPOA-BOS
21h 21m2 stops
American Airlines Logo
8:00 am - 11:00 amBOS-POA
25h 00m2 stops
$516American Airlines
Find Deal
Thu, Oct 23 - Tue, Nov 11
American Airlines Logo
1:55 pm - 10:20 amPOA-MCO
21h 25m2 stops
American Airlines Logo
7:19 pm - 1:00 pmMCO-POA
16h 41m2 stops
$516American Airlines
Find Deal
Tue, Oct 21 - Tue, Oct 28

Copa Airlines flights from Porto Alegre to United States

Our best Copa Airlines deals on Porto Alegre to United States flight tickets
Copa Airlines
Sep 24
POA1:25 amPorto Alegre Salgado Filho
22h 01m
1 stop
MIA10:26 pmMiami
Sep 30
MIA6:09 amMiami
17h 11m
1 stop
POA12:20 amPorto Alegre Salgado Filho
$470
Find similar
Copa Airlines
Oct 29
POA1:30 amPorto Alegre Salgado Filho
22h 14m
1 stop
MIA10:44 pmMiami
Nov 3
MIA7:32 amMiami
14h 58m
1 stop
POA12:30 amPorto Alegre Salgado Filho
$471
Find similar
Copa Airlines
Sep 30
POA1:25 amPorto Alegre Salgado Filho
22h 17m
1 stop
MIA10:42 pmMiami
Oct 14
MIA6:27 amMiami
16h 53m
1 stop
POA12:20 amPorto Alegre Salgado Filho
$472
Find similar

United Airlines flights from Porto Alegre to United States

Our best United Airlines deals on Porto Alegre to United States flight tickets
United Airlines
Mar 8
POA3:10 pmPorto Alegre Salgado Filho
36h 14m
2 stops
LAX11:24 pmLos Angeles
Mar 15
LAX7:00 amLos Angeles
27h 35m
2 stops
POA2:35 pmPorto Alegre Salgado Filho
$507
Find similar
United Airlines
Mar 3
POA5:10 pmPorto Alegre Salgado Filho
34h 20m
2 stops
LAX10:30 pmLos Angeles
Mar 17
LAX12:40 pmLos Angeles
45h 55m
2 stops
POA2:35 pmPorto Alegre Salgado Filho
$510
Find similar
United Airlines
Sep 19
POA5:10 pmPorto Alegre Salgado Filho
29h 23m
2 stops
LAX6:33 pmLos Angeles
Sep 29
LAX5:31 amLos Angeles
29h 04m
2 stops
POA2:35 pmPorto Alegre Salgado Filho
$551
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momondo Fare Finder

 
Customize your flight search to find flights from Porto Alegre to United States 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 September 17, 2025.
Use the filters below to find and compare flights from Porto Alegre to the United States that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Porto AlegreMiami

POA - MIA

POAMIA

Porto Alegre Salgado Filho

Thu 10/30

5:10 am-4:50 pm

1 stop12h 40m

Miami

Thu 11/6

9:30 pm-11:30 am

1 stop12h 00m

$462

Porto AlegreMiami

POA - MIA

POAMIA

Porto Alegre Salgado Filho

Wed 10/29

1:30 am-10:44 pm

1 stop22h 14m

Miami

Mon 11/3

7:32 am-12:30 am

1 stop14h 58m

$471

Porto AlegreMiami

POA - MIA

POAMIA

Porto Alegre Salgado Filho

Tue 9/30

1:25 am-10:42 pm

1 stop22h 17m

Miami

Tue 10/14

6:27 am-12:20 am

1 stop16h 53m

$472

Porto AlegreMiami

POA - MIA

POAMIA

Porto Alegre Salgado Filho

Thu 11/13

5:20 pm-3:50 pm

1 stop24h 30m

Miami

Wed 11/26

9:30 pm-11:30 am

1 stop12h 00m

$473

Porto AlegreOrlando

POA - MCO

POAMCO

Porto Alegre Salgado Filho

Thu 10/16

8:00 pm-12:20 pm

2 stops17h 20m

Orlando

Tue 10/21

5:05 pm-7:50 pm

2 stops25h 45m

$477

Porto AlegreOrlando

POA - MCO

POAMCO

Porto Alegre Salgado Filho

Mon 10/27

8:10 pm-1:40 pm

2 stops18h 30m

Orlando

Fri 11/7

4:06 pm-6:30 am

1 stop12h 24m

$484

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

Tue 11/25

5:55 pm-6:35 am

1 stop14h 40m

Boston Logan Intl

Fri 12/5

8:15 am-6:30 am

2 stops20h 15m

$495

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

Thu 10/30

5:55 pm-7:35 am

1 stop14h 40m

Boston Logan Intl

Mon 11/10

8:55 am-12:25 am

1 stop13h 30m

$502

Porto AlegreBoston

POA - BOS

POABOS

Porto Alegre Salgado Filho

Thu 10/23

1:55 pm-10:16 am

2 stops21h 21m

Boston Logan Intl

Tue 11/11

8:00 am-11:00 am

2 stops25h 00m

$516

Porto AlegreOrlando

POA - MCO

POAMCO

Porto Alegre Salgado Filho

Tue 10/21

1:55 pm-10:20 am

2 stops21h 25m

Orlando

Tue 10/28

7:19 pm-1:00 pm

2 stops16h 41m

$516

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 the United States from

How to get the cheapest flight ticket from Porto Alegre to United States

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 United States?

In general, February is the cheapest month to fly from Porto Alegre to United States. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $701. If you aren’t able to travel during the month of February, then book flights to United States from Porto Alegre during May instead. Flights to United States in May, while not as cheap as those in February, still average around $762.

What is the cheapest day to depart on your flight to United States?

According to our data, Tuesday is the cheapest day to fly to United States from Porto Alegre. The lowest ticket price found for a Tuesday departure recently was $857. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $1,161. These prices are subject to change though, so be sure to set up a Price Alert for flights to United States.

What is the cheapest time of day to depart on your flight to United States?

The cheapest time of day to fly to United States is in the evening when flights can be purchased for as low as $958. Try not to purchase tickets in the morning because they tend to be around $1,064. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to United States?

You are more likely to see cheaper flights to United States from Porto Alegre when booking weeks ahead of your departure date. In general, you can expect to find flights to United States for around $837 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United States from Porto Alegre for as low as $564 on momondo.

Can stopping save me money on Porto Alegre to United States flights?

You could potentially save up to 11% on your flight if you consider stops on a Porto Alegre to United States flight.

Cheap Porto Alegre to United States flight deals and tips

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

Direct flights

None
There are no direct flights from Porto Alegre to United States. There are no popular flight routes from Porto Alegre to United States.
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  • When did momondo last update prices for flights from Porto Alegre Salgado Filho Airport to United States?

    Prices for flights from Porto Alegre Salgado Filho Airport to United States are refreshed on a daily basis.

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

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

    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 Porto Alegre Salgado Filho Airport to United States.

  • What documentation or ID do you need to fly to United States?

    The travel and health documents required for your trip to United States 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 United States. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Porto Alegre to United States

Compare and see reviews for airlines that fly from Porto Alegre to United States with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $233Free CancellationRating
7.9
7,961 reviews
Search Delta flights
Copa AirlinesPriceFrom $261Free CancellationRating
7.6
1,533 reviews
Search Copa Airlines flights
United AirlinesPriceFrom $288Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
GOLPriceFrom $393Free CancellationRating
7.3
1,106 reviews
Search GOL flights
AzulPriceFrom $456Free CancellationRating
8.0
808 reviews
Search Azul flights
LATAM AirlinesPriceFrom $463Free CancellationRating
7.5
1,849 reviews
Search LATAM Airlines flights
American AirlinesPriceFrom $474Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Porto Alegre to United States?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Porto Alegre to United States. momondo saves you time and could save you money on your trip.

Can I find flights from Porto Alegre to United States with flexible booking policies on momondo?

momondo does allow users to show only those flights to United States from Porto Alegre which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Porto Alegre to United States?

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 Porto Alegre to United States.

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

Of course. momondo tracks the price of Porto Alegre to United States flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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