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$419+ Cheap flights from Porto Alegre (POA) to Las Vegas (LAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
POA — LAS
Feb 17 — Feb 241
Tue 2/17
Tue 2/24
1 adult, Economy
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1. Tell us where you want to go

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Cheap flight deals from Porto Alegre to Las Vegas

Discover tips and strategies to find the most affordable flight options for your journey from Porto Alegre (POA) to Las Vegas (LAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 18, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$688
(United Airlines)

One-way from

$419
(United Airlines)

Popular in

December

Cheapest in

March

Average price

$827
Provider with most accurate pricing for Porto Alegre Salgado Filho-Las Vegas Harry Reid Intl flight deals.
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Provider most trusted by Cheapflights users for Porto Alegre Salgado Filho-Las Vegas Harry Reid Intl flights.
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From Porto Alegre Salgado Filho to Las Vegas Harry Reid Intl
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One-way flight from Porto Alegre Salgado Filho to Las Vegas Harry Reid Intl
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Highest demand for flights based on searches. 12% potential increase in price ($110 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Porto Alegre to Las Vegas

Cheapest flights from Porto Alegre to Las Vegas
Explore the most affordable flight options available from Porto Alegre to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 18, 2026.

This Copa Airlines deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/131:20 am
POA
-
LAS
1 stop25h 10m
Copa Airlines
Tue 10/2012:34 am
LAS
-
POA
1 stop19h 46m
Copa Airlines
Deal found 1/18$629
This United Airlines deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:10 pm
POA
-
LAS
3 stops24h 35m
United Airlines
Tue 10/137:17 am
LAS
-
POA
3 stops27h 03m
United Airlines
Deal found 1/18$662
This United Airlines deal was found by Cheapflights users on 1/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/113:25 pm
POA
-
LAS
2 stops23h 35m
United Airlines
Tue 8/186:00 am
LAS
-
POA
2 stops23h 45m
United Airlines
Deal found 1/17$686
This United Airlines deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/163:25 pm
POA
-
LAS
2 stops27h 37m
United Airlines
Wed 2/2512:59 am
LAS
-
POA
2 stops34h 21m
United Airlines
Deal found 1/16$688
This United Airlines deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/83:30 pm
POA
-
LAS
2 stops31h 59m
United Airlines
Sat 2/145:22 pm
LAS
-
POA
2 stops43h 58m
United Airlines
Deal found 1/16$729
This United Airlines deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/33:25 pm
POA
-
LAS
2 stops37h 02m
United Airlines
Thu 8/2710:25 am
LAS
-
POA
2 stops19h 20m
United Airlines
Deal found 1/16$810
This LATAM Airlines deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:05 pm
POA
-
LAS
2 stops21h 29m
LATAM Airlines
Mon 9/281:30 pm
LAS
-
POA
2 stops24h 45m
LATAM Airlines
Deal found 1/15$829

Cheapflights Fare Finder

 
Customize your flight search to find flights from Porto Alegre to Las Vegas 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, Cheapflights users made 2,558,603 searches. Data last updated January 18, 2026.
Use the filters below to find and compare flights from Porto Alegre to Las Vegas that are best for you.

Fly from

Porto Alegre

Fly to

Las Vegas

Route

Depart

Return

Price

Porto AlegreLas Vegas

POA - LAS

POALAS

Porto Alegre Salgado Filho

Mon 2/16

3:25 pm-2:02 pm

2 stops27h 37m

Las Vegas Harry Reid Intl

Wed 2/25

12:59 am-4:20 pm

2 stops34h 21m

$688

Porto AlegreLas Vegas

POA - LAS

POALAS

Porto Alegre Salgado Filho

Sun 2/8

3:30 pm-6:29 pm

2 stops31h 59m

Las Vegas Harry Reid Intl

Sat 2/14

5:22 pm-6:20 pm

2 stops43h 58m

$729

Porto AlegreLas Vegas

POA - LAS

POALAS

Porto Alegre Salgado Filho

Mon 2/9

6:10 pm-6:30 pm

2 stops29h 20m

Las Vegas Harry Reid Intl

Wed 2/18

4:45 pm-6:20 pm

2 stops44h 35m

$839

Porto AlegreLas Vegas

POA - LAS

POALAS

Porto Alegre Salgado Filho

Mon 6/1

5:10 pm-9:15 am

2 stops20h 05m

Las Vegas Harry Reid Intl

Tue 6/16

11:30 pm-6:20 pm

2 stops38h 50m

$979

Porto AlegreLas Vegas

POA - LAS

POALAS

Porto Alegre Salgado Filho

Sat 1/31

2:10 pm-9:57 pm

2 stops36h 47m

Las Vegas Harry Reid Intl

Thu 2/5

11:30 pm-1:40 pm

2 stops33h 10m

$980

Porto AlegreLas Vegas

POA - LAS

POALAS

Porto Alegre Salgado Filho

Mon 6/1

5:50 pm-6:42 pm

2 stops28h 52m

Las Vegas Harry Reid Intl

Tue 6/16

11:00 am-2:15 pm

2 stops23h 15m

$1,006

Porto AlegreLas Vegas

POA - LAS

POALAS

Porto Alegre Salgado Filho

Sun 3/1

3:30 pm-5:57 pm

2 stops31h 27m

$419

Porto AlegreLas Vegas

POA - LAS

POALAS

Porto Alegre Salgado Filho

Sun 3/1

5:55 pm-11:02 am

2 stops22h 07m

$434

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/17

Compare providers for flights from Porto Alegre to Las Vegas

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Porto Alegre to Las Vegas in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Porto Alegre-Las Vegas flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Porto Alegre-Las Vegas flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Porto Alegre-Las Vegas flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Porto Alegre-Las Vegas flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Porto Alegre-Las Vegas flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Porto Alegre to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Porto Alegre with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Porto Alegre to Las Vegas

What is the cheapest month to book a flight from Porto Alegre to Las Vegas?

Currently, April is the cheapest month in which you can book a flight from Porto Alegre to Las Vegas (average of $271). Flying from Porto Alegre to Las Vegas in June is currently the most expensive (average of $847). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Porto Alegre to Las Vegas?

Related info for your journey

Find useful and relevant information for your journey from Porto Alegre to Las Vegas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Porto Alegre to Las Vegas?

    There are many flights that can get you from Porto Alegre to Las Vegas in 27h 37m. Fly via United Airlines to get the fastest option. Airlines will cover a distance of 6164 mi.

  • Can I find deals for flights from Porto Alegre to Las Vegas that include hotel bookings?

    Yes. In addition to deals on Porto Alegre to Las Vegas flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Porto Alegre to Las Vegas?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Porto Alegre to Las Vegas.

  • Can I find deals for business class flights from Porto Alegre to Las Vegas?

    Yes. Cheapflights offers flight deals from Porto Alegre to Las Vegas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Porto Alegre to Las Vegas?

    Currently, April is the cheapest month in which you can book a flight from Porto Alegre to Las Vegas (average of $271). Flying from Porto Alegre to Las Vegas in June is currently the most expensive (average of $847). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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