Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Las Vegas to Porto Alegre from $954

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 9/15. 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.
LATAM Airlines Logo
11:01 pm - 6:20 amLAS  Las Vegas Harry Reid Intl-POA Porto Alegre Salgado Filho
27h 19m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl
LATAM Airlines Logo
7:35 am - 11:36 pmPOA  Porto Alegre Salgado Filho-LAS Las Vegas Harry Reid Intl
20h 01m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson
$954LATAM Airlines
mar., sep. 15 - jue., oct. 1
LATAM Airlines Logo
8:25 am - 6:20 amLAS  Las Vegas Harry Reid Intl-POA Porto Alegre Salgado Filho
17h 55m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl
LATAM Airlines Logo
7:35 am - 11:36 pmPOA  Porto Alegre Salgado Filho-LAS Las Vegas Harry Reid Intl
20h 01m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson
$954LATAM Airlines
mié., sep. 16 - jue., oct. 1
LATAM Airlines Logo
7:05 am - 6:20 amLAS  Las Vegas Harry Reid Intl-POA Porto Alegre Salgado Filho
19h 15m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl
LATAM Airlines Logo
3:00 pm - 2:08 pmPOA  Porto Alegre Salgado Filho-LAS Las Vegas Harry Reid Intl
27h 08m2 stops Sao Paulo Congonhas New York John F Kennedy Intl
$957LATAM Airlines
mié., sep. 16 - lun., oct. 5
LATAM Airlines Logo
11:01 pm - 6:20 amLAS  Las Vegas Harry Reid Intl-POA Porto Alegre Salgado Filho
27h 19m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl
LATAM Airlines Logo
12:10 pm - 11:21 amPOA  Porto Alegre Salgado Filho-LAS Las Vegas Harry Reid Intl
27h 11m2 stops Sao Paulo Guarulhos Intl Atlanta Hartsfield-Jackson
$957LATAM Airlines
mar., sep. 15 - lun., oct. 5
GOL Logo
6:00 am - 10:50 amLAS  Las Vegas Harry Reid Intl-POA Porto Alegre Salgado Filho
24h 50m2 stops Miami Sao Paulo Guarulhos Intl
GOL Logo
2:05 pm - 12:08 pmPOA  Porto Alegre Salgado Filho-LAS Las Vegas Harry Reid Intl
26h 03m2 stops Sao Paulo Guarulhos Intl Miami
$1,027GOL
jue., sep. 17 - vie., oct. 2
GOL Logo
11:40 am - 3:35 pmLAS  Las Vegas Harry Reid Intl-POA Porto Alegre Salgado Filho
23h 55m2 stops Miami Sao Paulo Guarulhos Intl
GOL Logo
6:00 am - 11:41 pmPOA  Porto Alegre Salgado Filho-LAS Las Vegas Harry Reid Intl
45h 41m2 stops Sao Paulo Guarulhos Intl Miami
$1,077GOL
mar., sep. 22 - mar., oct. 13
GOL Logo
11:40 am - 11:40 amLAS  Las Vegas Harry Reid Intl-POA Porto Alegre Salgado Filho
20h 00m2 stops Miami Brasilia
GOL Logo
5:10 am - 11:58 pmPOA  Porto Alegre Salgado Filho-LAS Las Vegas Harry Reid Intl
22h 48m2 stops Brasilia Miami
$1,080GOL
mié., sep. 16 - vie., oct. 2
Delta Logo
6:00 am - 6:20 amLAS  Las Vegas Harry Reid Intl-POA Porto Alegre Salgado Filho
20h 20m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl
Delta Logo
7:25 pm - 11:57 amPOA  Porto Alegre Salgado Filho-LAS Las Vegas Harry Reid Intl
20h 32m2 stops Sao Paulo Guarulhos Intl Los Angeles
$1,094Delta
mié., sep. 16 - mié., sep. 30
Delta Logo
11:01 pm - 6:20 amLAS  Las Vegas Harry Reid Intl-POA Porto Alegre Salgado Filho
27h 19m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl
Delta Logo
7:25 pm - 8:49 pmPOA  Porto Alegre Salgado Filho-LAS Las Vegas Harry Reid Intl
29h 24m2 stops Sao Paulo Guarulhos Intl Los Angeles
$1,094Delta
mar., sep. 15 - mié., sep. 30
Delta Logo
9:53 am - 2:15 pmLAS  Las Vegas Harry Reid Intl-POA Porto Alegre Salgado Filho
24h 22m2 stops Los Angeles Sao Paulo Guarulhos Intl
Delta Logo
7:35 am - 11:36 pmPOA  Porto Alegre Salgado Filho-LAS Las Vegas Harry Reid Intl
20h 01m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson
$1,098Delta
lun., sep. 14 - jue., oct. 1

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

LATAM Airlines flights from Las Vegas to Porto Alegre

Our best LATAM Airlines deals on Las Vegas to Porto Alegre flight tickets
LATAM Airlines
Sep 15
LAS11:01 pmLas Vegas Harry Reid Intl
27h 19m
2 stops
POA6:20 amPorto Alegre Salgado Filho
Oct 1
POA7:35 amPorto Alegre Salgado Filho
20h 01m
2 stops
LAS11:36 pmLas Vegas Harry Reid Intl
$954
LATAM Airlines
Sep 15
LAS11:01 pmLas Vegas Harry Reid Intl
27h 19m
2 stops
POA6:20 amPorto Alegre Salgado Filho
Oct 5
POA12:10 pmPorto Alegre Salgado Filho
27h 11m
2 stops
LAS11:21 amLas Vegas Harry Reid Intl
$957
LATAM Airlines
Oct 28
LAS7:00 amLas Vegas Harry Reid Intl
19h 40m
2 stops
POA6:40 amPorto Alegre Salgado Filho
Nov 1
POA9:15 amPorto Alegre Salgado Filho
29h 19m
2 stops
LAS9:34 amLas Vegas Harry Reid Intl
$1,085

United Airlines flights from Las Vegas to Porto Alegre

Our best United Airlines deals on Las Vegas to Porto Alegre flight tickets
United Airlines
Sep 15
LAS12:40 pmLas Vegas Harry Reid Intl
21h 45m
2 stops
POA2:25 pmPorto Alegre Salgado Filho
Sep 29
POA5:10 pmPorto Alegre Salgado Filho
27h 43m
2 stops
LAS4:53 pmLas Vegas Harry Reid Intl
$1,192
United Airlines
Oct 28
LAS12:15 pmLas Vegas Harry Reid Intl
20h 45m
2 stops
POA1:00 pmPorto Alegre Salgado Filho
Nov 1
POA3:25 pmPorto Alegre Salgado Filho
27h 00m
3 stops
LAS1:25 pmLas Vegas Harry Reid Intl
$1,382
United Airlines
Oct 28
LAS12:15 pmLas Vegas Harry Reid Intl
22h 20m
2 stops
POA2:35 pmPorto Alegre Salgado Filho
Nov 1
POA3:25 pmPorto Alegre Salgado Filho
27h 00m
3 stops
LAS1:25 pmLas Vegas Harry Reid Intl
$1,411

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 agosto 13, 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 Las Vegas Harry Reid Intl - POA Porto Alegre Salgado Filho

LASPOA

Las Vegas Harry Reid Intl

mar. 9/15

11:01 pm-6:20 am

2 stops27h 19m

Porto Alegre Salgado Filho

jue. 10/1

7:35 am-11:36 pm

2 stops20h 01m

$954
Quickest round-trip

Las VegasPorto Alegre

LAS Las Vegas Harry Reid Intl - POA Porto Alegre Salgado Filho

LASPOA

Las Vegas Harry Reid Intl

mié. 9/16

8:25 am-6:20 am

2 stops17h 55m

Porto Alegre Salgado Filho

jue. 10/1

7:35 am-11:36 pm

2 stops20h 01m

$954

Las VegasPorto Alegre

LAS Las Vegas Harry Reid Intl - POA Porto Alegre Salgado Filho

LASPOA

Las Vegas Harry Reid Intl

mié. 9/16

7:05 am-6:20 am

2 stops19h 15m

Porto Alegre Salgado Filho

lun. 10/5

3:00 pm-2:08 pm

2 stops27h 08m

$957

Las VegasPorto Alegre

LAS Las Vegas Harry Reid Intl - POA Porto Alegre Salgado Filho

LASPOA

Las Vegas Harry Reid Intl

mar. 9/15

11:01 pm-6:20 am

2 stops27h 19m

Porto Alegre Salgado Filho

lun. 10/5

12:10 pm-11:21 am

2 stops27h 11m

$957

Las VegasPorto Alegre

LAS Las Vegas Harry Reid Intl - POA Porto Alegre Salgado Filho

LASPOA

Las Vegas Harry Reid Intl

jue. 9/17

6:00 am-10:50 am

2 stops24h 50m

Porto Alegre Salgado Filho

vie. 10/2

2:05 pm-12:08 pm

2 stops26h 03m

$1,027

Las VegasPorto Alegre

LAS Las Vegas Harry Reid Intl - POA Porto Alegre Salgado Filho

LASPOA

Las Vegas Harry Reid Intl

mar. 9/22

11:40 am-3:35 pm

2 stops23h 55m

Porto Alegre Salgado Filho

mar. 10/13

6:00 am-11:41 pm

2 stops45h 41m

$1,077

Las VegasPorto Alegre

LAS Las Vegas Harry Reid Intl - POA Porto Alegre Salgado Filho

LASPOA

Las Vegas Harry Reid Intl

mié. 9/16

11:40 am-11:40 am

2 stops20h 00m

Porto Alegre Salgado Filho

vie. 10/2

5:10 am-11:58 pm

2 stops22h 48m

$1,080

Las VegasPorto Alegre

LAS Las Vegas Harry Reid Intl - POA Porto Alegre Salgado Filho

LASPOA

Las Vegas Harry Reid Intl

mié. 9/16

6:00 am-6:20 am

2 stops20h 20m

Porto Alegre Salgado Filho

mié. 9/30

7:25 pm-11:57 am

2 stops20h 32m

$1,094

Las VegasPorto Alegre

LAS Las Vegas Harry Reid Intl - POA Porto Alegre Salgado Filho

LASPOA

Las Vegas Harry Reid Intl

mar. 9/15

11:01 pm-6:20 am

2 stops27h 19m

Porto Alegre Salgado Filho

mié. 9/30

7:25 pm-8:49 pm

2 stops29h 24m

$1,094

Las VegasPorto Alegre

LAS Las Vegas Harry Reid Intl - POA Porto Alegre Salgado Filho

LASPOA

Las Vegas Harry Reid Intl

lun. 9/14

9:53 am-2:15 pm

2 stops24h 22m

Porto Alegre Salgado Filho

jue. 10/1

7:35 am-11:36 pm

2 stops20h 01m

$1,098

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 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

20h 29m

Direct flights

None
The fastest flight from Las Vegas to Porto Alegre takes 20h 29m
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. 20h 29m 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
GOLPriceFrom $445Free CancellationRating
7.3
1,273 reviews
Search GOL flights
DeltaPriceFrom $811Free CancellationRating
7.8
8,511 reviews
Search Delta 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.

An easier way to manage your Porto Alegre trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
sáb. 9/12
sáb. 9/19
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Brazil