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Cheap flights from Las Vegas to Porto Alegre from $476

This is the cheapest one-way 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 10/20. 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

Discover deals from 900+ travel sites with momondo.

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

Find the cheapest flights from Las Vegas to Porto Alegre

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
7:13 am - 3:30 pm
LAS
-
POA
28h 17m
2 stops
American Airlines Logo
6:25 pm - 5:48 pm
POA
-
LAS
27h 23m
2 stops
$1,220American Airlines
Mon, Jul 6 - Mon, Jul 27
American Airlines Logo
2:02 pm - 3:30 pm
LAS
-
POA
21h 28m
2 stops
American Airlines Logo
6:25 pm - 11:37 am
POA
-
LAS
21h 12m
3 stops
$2,272American Airlines
Mon, Jul 6 - Mon, Jul 27
American Airlines Logo
1:13 pm - 3:30 pm
LAS
-
POA
22h 17m
3 stops
American Airlines Logo
6:25 pm - 11:37 am
POA
-
LAS
21h 12m
3 stops
$3,139American Airlines
Mon, Jul 6 - Mon, Jul 27
Copa Airlines Logo
12:34 am - 12:15 am
LAS
-
POA
19h 41m
1 stop
Copa Airlines Logo
1:15 am - 10:30 pm
POA
-
LAS
25h 15m
1 stop
$4,706Copa Airlines
Sun, Jul 5 - Sun, Jul 26
Copa Airlines Logo
12:34 am - 12:15 am
LAS
-
POA
19h 41m
1 stop
Copa Airlines Logo
1:15 am - 8:21 pm
POA
-
LAS
23h 06m
2 stops
$5,628Copa Airlines
Sun, Jul 5 - Sun, Jul 26

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American Airlines flights from Las Vegas to Porto Alegre

Our best American Airlines deals on Las Vegas to Porto Alegre flight tickets
American Airlines
Jul 6
LAS7:13 amLas Vegas Harry Reid Intl
28h 17m
2 stops
POA3:30 pmPorto Alegre Salgado Filho
Jul 27
POA6:25 pmPorto Alegre Salgado Filho
27h 23m
2 stops
LAS5:48 pmLas Vegas Harry Reid Intl
$1,220
American Airlines
Jul 6
LAS2:02 pmLas Vegas Harry Reid Intl
21h 28m
2 stops
POA3:30 pmPorto Alegre Salgado Filho
Jul 27
POA6:25 pmPorto Alegre Salgado Filho
21h 12m
3 stops
LAS11:37 amLas Vegas Harry Reid Intl
$2,272
American Airlines
Jul 6
LAS1:13 pmLas Vegas Harry Reid Intl
22h 17m
3 stops
POA3:30 pmPorto Alegre Salgado Filho
Jul 27
POA6:25 pmPorto Alegre Salgado Filho
21h 12m
3 stops
LAS11:37 amLas Vegas Harry Reid Intl
$3,139

Copa Airlines flights from Las Vegas to Porto Alegre

Our best Copa Airlines deals on Las Vegas to Porto Alegre flight tickets
Copa Airlines
Jul 5
LAS12:34 amLas Vegas Harry Reid Intl
19h 41m
1 stop
POA12:15 amPorto Alegre Salgado Filho
Jul 26
POA1:15 amPorto Alegre Salgado Filho
25h 15m
1 stop
LAS10:30 pmLas Vegas Harry Reid Intl
$4,706
Copa Airlines
Jul 5
LAS12:34 amLas Vegas Harry Reid Intl
19h 41m
1 stop
POA12:15 amPorto Alegre Salgado Filho
Jul 26
POA1:15 amPorto Alegre Salgado Filho
23h 06m
2 stops
LAS8:21 pmLas Vegas Harry Reid Intl
$5,628

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 June 15, 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

Las VegasPorto Alegre

LAS - POA

LASPOA

Las Vegas Harry Reid Intl

Mon 7/6

7:13 am-3:30 pm

2 stops28h 17m

Porto Alegre Salgado Filho

Mon 7/27

6:25 pm-5:48 pm

2 stops27h 23m

$1,220
Quickest round-trip

Las VegasPorto Alegre

LAS - POA

LASPOA

Las Vegas Harry Reid Intl

Mon 7/6

2:02 pm-3:30 pm

2 stops21h 28m

Porto Alegre Salgado Filho

Mon 7/27

6:25 pm-11:37 am

3 stops21h 12m

$2,272

Las VegasPorto Alegre

LAS - POA

LASPOA

Las Vegas Harry Reid Intl

Mon 7/6

1:13 pm-3:30 pm

3 stops22h 17m

Porto Alegre Salgado Filho

Mon 7/27

6:25 pm-11:37 am

3 stops21h 12m

$3,139

Las VegasPorto Alegre

LAS - POA

LASPOA

Las Vegas Harry Reid Intl

Sun 7/5

12:34 am-12:15 am

1 stop19h 41m

Porto Alegre Salgado Filho

Sun 7/26

1:15 am-10:30 pm

1 stop25h 15m

$4,706

Las VegasPorto Alegre

LAS - POA

LASPOA

Las Vegas Harry Reid Intl

Sun 7/5

12:34 am-12:15 am

1 stop19h 41m

Porto Alegre Salgado Filho

Sun 7/26

1:15 am-8:21 pm

2 stops23h 06m

$5,628
Cheapest one-way

Las VegasPorto Alegre

LAS - POA

LASPOA

Las Vegas Harry Reid Intl

Tue 10/20

4:47 pm-8:05 pm

3 stops47h 18m

$476

Las VegasPorto Alegre

LAS - POA

LASPOA

Las Vegas Harry Reid Intl

Tue 10/20

11:55 pm-12:20 am

2 stops20h 25m

$503

Las VegasPorto Alegre

LAS - POA

LASPOA

Las Vegas Harry Reid Intl

Sat 8/1

10:25 pm-10:50 am

2 stops32h 25m

$693
Quickest one-way

Las VegasPorto Alegre

LAS - POA

LASPOA

Las Vegas Harry Reid Intl

Fri 7/31

12:34 am-12:15 am

1 stop19h 41m

$863

Las VegasPorto Alegre

LAS - POA

LASPOA

Las Vegas Harry Reid Intl

Sat 8/1

6:00 am-3:25 pm

3 stops29h 25m

$1,000

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Porto Alegre from

How to get the cheapest flight ticket from Las Vegas 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 typical price of a round-trip flight between Las Vegas and Porto Alegre?

What is the cheapest month to fly to Porto Alegre?

The cheapest month to fly to Porto Alegre from Las Vegas is in October. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you’re not able to fly to Porto Alegre in October, then April is your next best option. Flight prices from Las Vegas to Porto Alegre during April average around $0.

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

27h 18m

Direct flights

None
The fastest flight from Las Vegas to Porto Alegre takes 27h 18m
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. 27h 18m 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 many operators does momondo search for flights from Las Vegas Harry Reid Intl Airport to Porto Alegre Salgado Filho Airport?

  • 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.

  • What is the most popular airline from Las Vegas to Porto Alegre?

Best airlines flying from Las Vegas to Porto Alegre

Compare and see reviews for airlines that fly from Las Vegas to Porto Alegre with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $811Free CancellationRating
7.9
8,401 reviews
Search Delta flights
GOLPriceFrom $826Free CancellationRating
7.3
1,230 reviews
Search GOL flights

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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