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$342+ 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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
POA — LAS
Nov 21 — Nov 281
Fri 11/21
Fri 11/28
1 adult, Economy
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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 October 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$651
(United Airlines)

One-way from

$342
(United Airlines)

Popular in

December

Cheapest in

July

Average price

$866
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. 6% potential increase in price ($60 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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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 October 22, 2025.

This Copa Airlines deal was found by Cheapflights users on 10/20. 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.
Mon 10/271:30 amPOA - LAS
1 stop24h 59mCopa Airlines
Wed 11/512:51 amLAS - POA
1 stop18h 39mCopa Airlines
Deal found 10/20$638
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Wed 10/223:25 pmPOA - LAS
3 stops25h 59mUnited Airlines
Wed 10/293:41 pmLAS - POA
2 stops22h 39mUnited Airlines
Deal found 10/21$647
This United Airlines deal was found by Cheapflights users on 10/19. 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 10/203:25 pmPOA - LAS
2 stops34h 34mUnited Airlines
Wed 10/2912:59 amLAS - POA
2 stops35h 21mUnited Airlines
Deal found 10/19$652
This Copa Airlines deal was found by Cheapflights users on 10/20. 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.
Wed 12/31:35 amPOA - LAS
1 stop25h 54mCopa Airlines
Wed 12/1012:51 amLAS - POA
1 stop18h 39mCopa Airlines
Deal found 10/20$812
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Wed 12/173:30 pmPOA - LAS
2 stops30h 33mUnited Airlines
Tue 1/131:55 pmLAS - POA
2 stops19h 45mUnited Airlines
Deal found 10/22$906
This FlightHub deal was found by Cheapflights users on 10/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/137:45 amPOA - LAS
2 stops19h 50mLATAM Airlines
Sat 1/1012:05 pmLAS - POA
2 stops21h 00mLATAM Airlines
Deal found 10/21$952
This Mytrip deal was found by Cheapflights users on 10/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/47:40 pmPOA - LAS
3 stops29h 57mMultiple Airlines
Thu 12/119:59 pmLAS - POA
2 stops21h 11mMultiple Airlines
Deal found 10/20$954
This United Airlines deal was found by Cheapflights users on 10/21. 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 10/283:25 pmPOA - LAS
3 stops35h 50mUnited Airlines
Thu 11/66:00 amLAS - POA
2 stops27h 20mUnited Airlines
Deal found 10/21$962

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 October 22, 2025.
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

Thu 2/5

2:05 pm-11:19 pm

2 stops38h 14m

Las Vegas Harry Reid Intl

Sun 2/15

6:59 pm-6:15 pm

2 stops42h 16m

$651

Porto AlegreLas Vegas

POA - LAS

POALAS

Porto Alegre Salgado Filho

Sun 2/15

3:20 pm-11:31 pm

2 stops37h 11m

Las Vegas Harry Reid Intl

Wed 2/25

12:59 am-4:10 pm

2 stops34h 11m

$690

Porto AlegreLas Vegas

POA - LAS

POALAS

Porto Alegre Salgado Filho

Mon 2/2

6:10 pm-10:57 am

2 stops21h 47m

Las Vegas Harry Reid Intl

Fri 2/13

6:59 pm-2:40 pm

2 stops38h 41m

$690

Porto AlegreLas Vegas

POA - LAS

POALAS

Porto Alegre Salgado Filho

Mon 2/16

3:25 pm-8:22 pm

2 stops33h 57m

Las Vegas Harry Reid Intl

Thu 2/26

6:59 pm-1:20 pm

2 stops37h 21m

$696

Porto AlegreLas Vegas

POA - LAS

POALAS

Porto Alegre Salgado Filho

Tue 2/3

6:10 pm-1:32 pm

3 stops24h 22m

Las Vegas Harry Reid Intl

Fri 2/13

12:59 am-2:40 pm

2 stops32h 41m

$792

Porto AlegreLas Vegas

POA - LAS

POALAS

Porto Alegre Salgado Filho

Sun 2/8

3:10 pm-11:19 pm

2 stops37h 09m

Las Vegas Harry Reid Intl

Sat 2/14

2:05 pm-2:40 pm

2 stops19h 35m

$809

Porto AlegreLas Vegas

POA - LAS

POALAS

Porto Alegre Salgado Filho

Fri 1/30

3:30 pm-5:49 pm

2 stops31h 19m

Las Vegas Harry Reid Intl

Thu 2/5

11:30 pm-1:40 pm

2 stops33h 10m

$816

Porto AlegreLas Vegas

POA - LAS

POALAS

Porto Alegre Salgado Filho

Sun 2/8

3:10 pm-9:03 am

2 stops22h 53m

Las Vegas Harry Reid Intl

Wed 2/18

12:59 am-8:00 pm

2 stops38h 01m

$881

Porto AlegreLas Vegas

POA - LAS

POALAS

Porto Alegre Salgado Filho

Wed 12/17

3:30 pm-5:03 pm

2 stops30h 33m

Las Vegas Harry Reid Intl

Tue 1/13

1:55 pm-2:40 pm

2 stops19h 45m

$906

Porto AlegreLas Vegas

POA - LAS

POALAS

Porto Alegre Salgado Filho

Fri 11/7

5:10 pm-9:49 pm

2 stops33h 39m

$342

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/20

Showing 1-10 of 19 results
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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 October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Porto Alegre-Las Vegas flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

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 38h 14m. 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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