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Cheap flights from Las Vegas to Porto Alegre from $722

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Las Vegas to Porto Alegre departing on 6/21. 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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0 bags
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Find the cheapest flights from Las Vegas to Porto Alegre

Cheap round-trip flights

Enter your travel dates to find the best prices.
Copa Airlines Logo
12:37 am - 12:20 am
LAS
-
POA
19h 43m
1 stop
Copa Airlines Logo
7:55 am - 10:30 pm
POA
-
LAS
18h 35m
1 stop
$722Copa Airlines
Sun, Jun 21 - Tue, Jul 21
Copa Airlines Logo
12:37 am - 12:20 am
LAS
-
POA
19h 43m
1 stop
Copa Airlines Logo
1:20 am - 10:30 pm
POA
-
LAS
25h 10m
1 stop
$731Copa Airlines
Sun, May 10 - Tue, May 26
Multiple Airlines Logo
12:37 am - 12:20 am
LAS
-
POA
19h 43m
1 stop
Multiple Airlines Logo
5:15 am - 11:14 am
POA
-
LAS
33h 59m
2 stops
$778Multiple Airlines
Sat, May 9 - Tue, May 26
Multiple Airlines Logo
12:37 am - 12:20 am
LAS
-
POA
19h 43m
1 stop
Multiple Airlines Logo
5:15 am - 8:47 pm
POA
-
LAS
43h 32m
2 stops
$779Multiple Airlines
Sat, May 9 - Tue, May 26
LATAM Airlines Logo
7:00 am - 6:15 am
LAS
-
POA
19h 15m
2 stops
LATAM Airlines Logo
7:25 am - 10:40 pm
POA
-
LAS
19h 15m
2 stops
$802LATAM Airlines
Sun, May 10 - Mon, May 25
LATAM Airlines Logo
7:00 am - 6:15 am
LAS
-
POA
19h 15m
2 stops
LATAM Airlines Logo
7:05 pm - 12:25 pm
POA
-
LAS
21h 20m
2 stops
$803LATAM Airlines
Sun, May 10 - Sun, May 31
Delta Logo
7:00 am - 6:15 am
LAS
-
POA
19h 15m
2 stops
Delta Logo
5:50 pm - 5:12 pm
POA
-
LAS
27h 22m
2 stops
$805Delta
Sun, May 10 - Tue, May 26
GOL Logo
6:18 am - 10:40 am
LAS
-
POA
24h 22m
2 stops
GOL Logo
6:25 pm - 10:35 pm
POA
-
LAS
32h 10m
2 stops
$813GOL
Mon, Jun 22 - Tue, Jul 21
Multiple Airlines Logo
12:37 am - 12:20 am
LAS
-
POA
19h 43m
1 stop
Multiple Airlines Logo
1:20 am - 8:47 pm
POA
-
LAS
23h 27m
2 stops
$823Multiple Airlines
Sat, May 9 - Sun, May 24
GOL Logo
1:08 pm - 3:35 pm
LAS
-
POA
22h 27m
2 stops
GOL Logo
6:25 pm - 10:27 pm
POA
-
LAS
32h 02m
2 stops
$833GOL
Tue, May 12 - Thu, May 28

Copa Airlines flights from Las Vegas to Porto Alegre

Our best Copa Airlines deals on Las Vegas to Porto Alegre flight tickets
Copa Airlines
Jun 21
LAS12:37 amLas Vegas Harry Reid Intl
19h 43m
1 stop
POA12:20 amPorto Alegre Salgado Filho
Jul 21
POA7:55 amPorto Alegre Salgado Filho
18h 35m
1 stop
LAS10:30 pmLas Vegas Harry Reid Intl
$722
Copa Airlines
May 10
LAS12:37 amLas Vegas Harry Reid Intl
19h 43m
1 stop
POA12:20 amPorto Alegre Salgado Filho
May 26
POA1:20 amPorto Alegre Salgado Filho
25h 10m
1 stop
LAS10:30 pmLas Vegas Harry Reid Intl
$731
Copa Airlines
May 12
LAS12:37 amLas Vegas Harry Reid Intl
19h 43m
1 stop
POA12:20 amPorto Alegre Salgado Filho
May 30
POA1:20 amPorto Alegre Salgado Filho
25h 10m
1 stop
LAS10:30 pmLas Vegas Harry Reid Intl
$876

LATAM Airlines flights from Las Vegas to Porto Alegre

Our best LATAM Airlines deals on Las Vegas to Porto Alegre flight tickets
LATAM Airlines
May 10
LAS7:00 amLas Vegas Harry Reid Intl
19h 15m
2 stops
POA6:15 amPorto Alegre Salgado Filho
May 25
POA7:25 amPorto Alegre Salgado Filho
19h 15m
2 stops
LAS10:40 pmLas Vegas Harry Reid Intl
$802
LATAM Airlines
May 10
LAS7:00 amLas Vegas Harry Reid Intl
19h 15m
2 stops
POA6:15 amPorto Alegre Salgado Filho
May 31
POA7:05 pmPorto Alegre Salgado Filho
21h 20m
2 stops
LAS12:25 pmLas Vegas Harry Reid Intl
$803
LATAM Airlines
May 5
LAS11:20 pmLas Vegas Harry Reid Intl
26h 55m
2 stops
POA6:15 amPorto Alegre Salgado Filho
May 20
POA3:00 pmPorto Alegre Salgado Filho
25h 25m
2 stops
LAS12:25 pmLas Vegas Harry Reid Intl
$852

momondo Fare Finder

 
Customize your flight search to find flights from Las Vegas 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 April 28, 2026.
Use the filters below to find and compare flights from Las Vegas to Porto Alegre that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Las VegasPorto Alegre

LAS - POA

LASPOA

Las Vegas Harry Reid Intl

Sun 6/21

12:37 am-12:20 am

1 stop19h 43m

Porto Alegre Salgado Filho

Tue 7/21

7:55 am-10:30 pm

1 stop18h 35m

$722

Las VegasPorto Alegre

LAS - POA

LASPOA

Las Vegas Harry Reid Intl

Sun 5/10

12:37 am-12:20 am

1 stop19h 43m

Porto Alegre Salgado Filho

Tue 5/26

1:20 am-10:30 pm

1 stop25h 10m

$731

Las VegasPorto Alegre

LAS - POA

LASPOA

Las Vegas Harry Reid Intl

Sat 5/9

12:37 am-12:20 am

1 stop19h 43m

Porto Alegre Salgado Filho

Tue 5/26

5:15 am-11:14 am

2 stops33h 59m

$778

Las VegasPorto Alegre

LAS - POA

LASPOA

Las Vegas Harry Reid Intl

Sat 5/9

12:37 am-12:20 am

1 stop19h 43m

Porto Alegre Salgado Filho

Tue 5/26

5:15 am-8:47 pm

2 stops43h 32m

$779

Las VegasPorto Alegre

LAS - POA

LASPOA

Las Vegas Harry Reid Intl

Sun 5/10

7:00 am-6:15 am

2 stops19h 15m

Porto Alegre Salgado Filho

Mon 5/25

7:25 am-10:40 pm

2 stops19h 15m

$802

Las VegasPorto Alegre

LAS - POA

LASPOA

Las Vegas Harry Reid Intl

Sun 5/10

7:00 am-6:15 am

2 stops19h 15m

Porto Alegre Salgado Filho

Sun 5/31

7:05 pm-12:25 pm

2 stops21h 20m

$803

Las VegasPorto Alegre

LAS - POA

LASPOA

Las Vegas Harry Reid Intl

Sun 5/10

7:00 am-6:15 am

2 stops19h 15m

Porto Alegre Salgado Filho

Tue 5/26

5:50 pm-5:12 pm

2 stops27h 22m

$805

Las VegasPorto Alegre

LAS - POA

LASPOA

Las Vegas Harry Reid Intl

Mon 6/22

6:18 am-10:40 am

2 stops24h 22m

Porto Alegre Salgado Filho

Tue 7/21

6:25 pm-10:35 pm

2 stops32h 10m

$813

Las VegasPorto Alegre

LAS - POA

LASPOA

Las Vegas Harry Reid Intl

Sat 5/9

12:37 am-12:20 am

1 stop19h 43m

Porto Alegre Salgado Filho

Sun 5/24

1:20 am-8:47 pm

2 stops23h 27m

$823

Las VegasPorto Alegre

LAS - POA

LASPOA

Las Vegas Harry Reid Intl

Tue 5/12

1:08 pm-3:35 pm

2 stops22h 27m

Porto Alegre Salgado Filho

Thu 5/28

6:25 pm-10:27 pm

2 stops32h 02m

$833

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Las Vegas to Porto Alegre

Are you open to changing your travel dates? Check out the ideal times to fly from Las Vegas to Porto Alegre according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Las Vegas to Porto Alegre (LAS to POA) flight deals and tips

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

Fastest flight time

24h 08m

Direct flights

None
The fastest flight from Las Vegas to Porto Alegre takes 24h 08m
There are no direct flights from Las Vegas to Porto Alegre. There are no popular flight routes from Las Vegas to Porto Alegre.
Search flight deals

Frequently asked questions about flying from Las Vegas to Porto Alegre

  • How far is Las Vegas Harry Reid Intl to Porto Alegre Salgado Filho by plane?

    A flight from Las Vegas Harry Reid Intl to Porto Alegre Salgado Filho will travel around 6167.1 mi. 24h 08m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Las Vegas Harry Reid Intl Airport to Porto Alegre Salgado Filho Airport?

    Prices for flights from Las Vegas Harry Reid Intl Airport to Porto Alegre Salgado Filho Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Las Vegas Harry Reid Intl Airport to Porto Alegre Salgado Filho Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Las Vegas Harry Reid Intl Airport 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.

Frequently asked questions about flying from Las Vegas to Porto Alegre

  • How do I get Price Alerts for flights from Las Vegas to Porto Alegre?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Las Vegas from Porto Alegre. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Las Vegas to Porto Alegre with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

Why should I use momondo to find a flight deal from Las Vegas to Porto Alegre?

It is quick and easy to find Las Vegas to Porto Alegre flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Porto Alegre that suits you.

Can I find flights from Las Vegas to Porto Alegre with flexible booking policies on momondo?

Yes. All flights to Porto Alegre from Las Vegas on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Las Vegas 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 Las Vegas to Porto Alegre.

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

If you are not ready to book a flight from Las Vegas to Porto Alegre now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Porto Alegre and let you know when they change.

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