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Cheap flights from the United States to Porto Alegre from $220

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Porto Alegre departing on 6/3. 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 the United States to Porto Alegre

Recent round-trip flight deals from the United States to Porto Alegre

Enter your travel dates to find the best prices.
Copa Airlines Logo
4:34 pm - 12:20 am
IAD
-
POA
30h 46m
1 stop
Copa Airlines Logo
1:20 am - 4:20 am
POA
-
IAD
28h 00m
1 stop
$550Copa Airlines
Tue, Sep 15 - Sun, Sep 27
Copa Airlines Logo
2:25 am - 12:20 am
IAD
-
POA
20h 55m
1 stop
Copa Airlines Logo
1:20 am - 4:20 am
POA
-
IAD
28h 00m
1 stop
$551Copa Airlines
Mon, Sep 14 - Sun, Sep 27
GOL Logo
10:35 pm - 3:45 pm
MIA
-
POA
16h 10m
2 stops
GOL Logo
12:30 pm - 5:55 am
POA
-
MIA
18h 25m
2 stops
$609GOL
Mon, Jun 22 - Mon, Jun 29
GOL Logo
8:30 pm - 7:00 pm
MIA
-
POA
21h 30m
2 stops
GOL Logo
11:15 am - 7:00 pm
POA
-
MIA
32h 45m
2 stops
$612GOL
Sat, Jun 20 - Sat, Jun 27
LATAM Airlines Logo
1:00 pm - 5:00 pm
IAD
-
POA
27h 00m
2 stops
LATAM Airlines Logo
10:05 am - 11:51 am
POA
-
IAD
26h 46m
2 stops
$692LATAM Airlines
Tue, Sep 15 - Mon, Sep 28
LATAM Airlines Logo
7:50 pm - 6:15 pm
JFK
-
POA
21h 25m
1 stop
LATAM Airlines Logo
5:15 am - 7:40 am
POA
-
JFK
27h 25m
2 stops
$700LATAM Airlines
Mon, Jun 15 - Wed, Jun 17
Azul Logo
9:50 pm - 12:20 am
FLL
-
POA
25h 30m
2 stops
Azul Logo
10:10 pm - 7:35 pm
POA
-
FLL
22h 25m
2 stops
$799Azul
Sat, Jul 11 - Tue, Jul 14
Azul Logo
9:50 pm - 12:20 am
FLL
-
POA
25h 30m
3 stops
Azul Logo
10:10 pm - 7:35 pm
POA
-
FLL
22h 25m
2 stops
$806Azul
Sat, Jul 11 - Tue, Jul 14
United Airlines Logo
7:55 pm - 4:20 pm
EWR
-
POA
19h 25m
2 stops
United Airlines Logo
3:25 pm - 4:35 pm
POA
-
EWR
26h 10m
2 stops
$862United Airlines
Mon, Sep 28 - Thu, Oct 1
United Airlines Logo
7:48 pm - 2:05 pm
LGA
-
POA
17h 17m
2 stops
United Airlines Logo
2:05 pm - 6:11 pm
POA
-
LGA
29h 06m
2 stops
$912United Airlines
Mon, Sep 28 - Thu, Oct 1

LATAM Airlines flights from United States to Porto Alegre

Our best LATAM Airlines deals on United States to Porto Alegre flight tickets
LATAM Airlines
Sep 15
IAD1:00 pmWashington, D.C. Dulles Intl
27h 00m
2 stops
POA5:00 pmPorto Alegre Salgado Filho
Sep 28
POA10:05 amPorto Alegre Salgado Filho
26h 46m
2 stops
IAD11:51 amWashington, D.C. Dulles Intl
$692
LATAM Airlines
Jun 15
JFK7:50 pmNew York John F Kennedy Intl
21h 25m
1 stop
POA6:15 pmPorto Alegre Salgado Filho
Jun 17
POA5:15 amPorto Alegre Salgado Filho
27h 25m
2 stops
JFK7:40 amNew York John F Kennedy Intl
$700
LATAM Airlines
May 11
BOS5:05 pmBoston Logan Intl
20h 10m
2 stops
POA2:15 pmPorto Alegre Salgado Filho
May 21
POA7:25 amPorto Alegre Salgado Filho
18h 58m
2 stops
BOS1:23 amBoston Logan Intl
$729

Copa Airlines flights from United States to Porto Alegre

Our best Copa Airlines deals on United States to Porto Alegre flight tickets
Copa Airlines
Sep 15
IAD4:34 pmWashington, D.C. Dulles Intl
30h 46m
1 stop
POA12:20 amPorto Alegre Salgado Filho
Sep 27
POA1:20 amPorto Alegre Salgado Filho
28h 00m
1 stop
IAD4:20 amWashington, D.C. Dulles Intl
$550
Copa Airlines
Sep 14
IAD2:25 amWashington, D.C. Dulles Intl
20h 55m
1 stop
POA12:20 amPorto Alegre Salgado Filho
Sep 27
POA1:20 amPorto Alegre Salgado Filho
28h 00m
1 stop
IAD4:20 amWashington, D.C. Dulles Intl
$551
Copa Airlines
Sep 14
IAD2:25 amWashington, D.C. Dulles Intl
20h 55m
1 stop
POA12:20 amPorto Alegre Salgado Filho
Sep 27
POA1:20 amPorto Alegre Salgado Filho
14h 44m
1 stop
IAD3:04 pmWashington, D.C. Dulles Intl
$571

momondo Fare Finder

 
Customize your flight search to find flights from United States 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 May 8, 2026.
Use the filters below to find and compare flights from the United States to Porto Alegre that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Tue 9/15

4:34 pm-12:20 am

1 stop30h 46m

Porto Alegre Salgado Filho

Sun 9/27

1:20 am-4:20 am

1 stop28h 00m

$550

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Mon 9/14

2:25 am-12:20 am

1 stop20h 55m

Porto Alegre Salgado Filho

Sun 9/27

1:20 am-4:20 am

1 stop28h 00m

$551
Quickest round-trip

MiamiPorto Alegre

MIA - POA

MIAPOA

Miami

Mon 6/22

10:35 pm-3:45 pm

2 stops16h 10m

Porto Alegre Salgado Filho

Mon 6/29

12:30 pm-5:55 am

2 stops18h 25m

$609

MiamiPorto Alegre

MIA - POA

MIAPOA

Miami

Sat 6/20

8:30 pm-7:00 pm

2 stops21h 30m

Porto Alegre Salgado Filho

Sat 6/27

11:15 am-7:00 pm

2 stops32h 45m

$612

Washington, D.C.Porto Alegre

IAD - POA

IADPOA

Washington, D.C. Dulles Intl

Tue 9/15

1:00 pm-5:00 pm

2 stops27h 00m

Porto Alegre Salgado Filho

Mon 9/28

10:05 am-11:51 am

2 stops26h 46m

$692

New YorkPorto Alegre

JFK - POA

JFKPOA

New York John F Kennedy Intl

Mon 6/15

7:50 pm-6:15 pm

1 stop21h 25m

Porto Alegre Salgado Filho

Wed 6/17

5:15 am-7:40 am

2 stops27h 25m

$700

Fort LauderdalePorto Alegre

FLL - POA

FLLPOA

Fort Lauderdale

Sat 7/11

9:50 pm-12:20 am

2 stops25h 30m

Porto Alegre Salgado Filho

Tue 7/14

10:10 pm-7:35 pm

2 stops22h 25m

$799

Fort LauderdalePorto Alegre

FLL - POA

FLLPOA

Fort Lauderdale

Sat 7/11

9:50 pm-12:20 am

3 stops25h 30m

Porto Alegre Salgado Filho

Tue 7/14

10:10 pm-7:35 pm

2 stops22h 25m

$806

NewarkPorto Alegre

EWR - POA

EWRPOA

Newark

Mon 9/28

7:55 pm-4:20 pm

2 stops19h 25m

Porto Alegre Salgado Filho

Thu 10/1

3:25 pm-4:35 pm

2 stops26h 10m

$862

New YorkPorto Alegre

LGA - POA

LGAPOA

New York LaGuardia

Mon 9/28

7:48 pm-2:05 pm

2 stops17h 17m

Porto Alegre Salgado Filho

Thu 10/1

2:05 pm-6:11 pm

2 stops29h 06m

$912

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 United States 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 United States is in June. Flight prices, which tend to average around $202, 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 July is your next best option. Flight prices from United States to Porto Alegre during July average around $233.

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

You could potentially save up to 1% on your flight if you consider stops on a United States to Porto Alegre flight.

Cheap United States to Porto Alegre flight deals and tips

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

Fastest flight time

13h 05m

Direct flights

None
The fastest flight from United States to Porto Alegre takes 13h 05m
There are no direct flights from United States to Porto Alegre. There are no popular flight routes from United States to Porto Alegre.
Search flight deals

Frequently asked questions about flying from the United States to Porto Alegre

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

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

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

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

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

    The necessary travel and health documents for your Porto Alegre Salgado Filho Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from United States to Porto Alegre

Compare and see reviews for airlines that fly from United States to Porto Alegre with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $243Free CancellationRating
7.4
9,693 reviews
Search United Airlines flights
Copa AirlinesPriceFrom $270Free CancellationRating
7.5
1,582 reviews
Search Copa Airlines flights
DeltaPriceFrom $349Free CancellationRating
7.9
8,456 reviews
Search Delta flights
American AirlinesPriceFrom $502Free CancellationRating
7.1
11,667 reviews
Search American Airlines flights
GOLPriceFrom $526Free CancellationRating
7.3
1,214 reviews
Search GOL flights
LATAM AirlinesPriceFrom $547Free CancellationRating
7.4
1,917 reviews
Search LATAM Airlines flights

Why use momondo?

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

Finding the right flight to Porto Alegre from United States is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Porto Alegre quick and easy, saving you time and money.

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

Flights from United States to Porto Alegre with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Porto Alegre from United States.

I’m not ready to book a flight from United States 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 United States and alert you when they change.

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