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Porto Alegre

$294+ Cheap flights from Las Vegas (LAS) to Porto Alegre (POA)

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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — POA
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from Las Vegas to Porto Alegre

Discover tips and strategies to find the most affordable flight options for your journey from Las Vegas (LAS) to Porto Alegre (POA). 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 August 14, 2025.

Round-trip from

$575
(United Airlines)

One-way from

$294
(Copa Airlines)
From Las Vegas Harry Reid Intl to Porto Alegre Salgado Filho
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One-way flight from Las Vegas Harry Reid Intl to Porto Alegre Salgado Filho
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Find flight deals from Las Vegas to Porto Alegre

Cheapest flights from Las Vegas to Porto Alegre
Explore the most affordable flight options available from Las Vegas to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This United Airlines deal was found by Cheapflights users on 8/13. 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 11/2512:59 amLAS - POA
2 stops32h 36mUnited Airlines
Mon 12/15:10 pmPOA - LAS
2 stops33h 42mUnited Airlines
Deal found 8/13$575
This United deal was found by Cheapflights users on 8/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/122:36 pmLAS - POA
2 stops21h 29mMultiple Airlines
Sun 9/2110:25 amPOA - LAS
2 stops28h 51mMultiple Airlines
Deal found 8/13$580
This United Airlines deal was found by Cheapflights users on 8/14. 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 9/107:00 amLAS - POA
2 stops27h 45mUnited Airlines
Tue 9/165:10 pmPOA - LAS
2 stops32h 03mUnited Airlines
Deal found 8/14$594
This United Airlines deal was found by Cheapflights users on 8/13. 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 10/1312:59 amLAS - POA
2 stops33h 36mUnited Airlines
Tue 10/285:10 pmPOA - LAS
2 stops19h 46mUnited Airlines
Deal found 8/13$655
This Copa Airlines deal was found by Cheapflights users on 8/14. 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 9/91:50 amLAS - POA
1 stop18h 30mCopa Airlines
Mon 9/151:25 amPOA - LAS
1 stop25h 05mCopa Airlines
Deal found 8/14$715
This Copa Airlines deal was found by Cheapflights users on 8/13. 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.
Thu 9/111:50 amLAS - POA
1 stop18h 30mCopa Airlines
Sat 9/201:25 amPOA - LAS
1 stop25h 05mCopa Airlines
Deal found 8/13$755
This Ovago deal was found by Cheapflights users on 8/13. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/147:00 amLAS - POA
2 stops23h 25mGOL
Tue 10/286:00 amPOA - LAS
2 stops32h 52mGOL
Deal found 8/13$756
This Mytrip deal was found by Cheapflights users on 8/12. 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.
Wed 9/1710:16 pmLAS - POA
2 stops21h 39mMultiple Airlines
Wed 9/245:15 amPOA - LAS
3 stops40h 10mMultiple Airlines
Deal found 8/12$766

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated August 14, 2025.
Use the filters below to find and compare flights from Las Vegas to Porto Alegre that are best for you.

Fly from

Las Vegas

Fly to

Porto Alegre

Route

Depart

Return

Price

Las VegasPorto Alegre

LAS - POA

LASPOA

Las Vegas Harry Reid Intl

Wed 11/26

11:59 pm-4:10 pm

2 stops35h 11m

Porto Alegre Salgado Filho

Mon 12/1

5:10 pm-10:34 am

2 stops22h 24m

$575

Las VegasPorto Alegre

LAS - POA

LASPOA

Las Vegas Harry Reid Intl

Fri 9/12

2:36 pm-4:05 pm

2 stops21h 29m

Porto Alegre Salgado Filho

Sun 9/21

10:25 am-11:16 am

2 stops28h 51m

$580

Las VegasPorto Alegre

LAS - POA

LASPOA

Las Vegas Harry Reid Intl

Wed 9/10

7:00 am-2:45 pm

2 stops27h 45m

Porto Alegre Salgado Filho

Tue 9/16

5:10 pm-9:13 pm

2 stops32h 03m

$594

Las VegasPorto Alegre

LAS - POA

LASPOA

Las Vegas Harry Reid Intl

Wed 9/17

12:30 pm-6:20 pm

2 stops25h 50m

Porto Alegre Salgado Filho

Wed 9/24

3:30 pm-9:32 pm

2 stops34h 02m

$594

Las VegasPorto Alegre

LAS - POA

LASPOA

Las Vegas Harry Reid Intl

Mon 10/13

12:59 am-2:35 pm

2 stops33h 36m

Porto Alegre Salgado Filho

Tue 10/28

5:10 pm-8:56 am

2 stops19h 46m

$655

Las VegasPorto Alegre

LAS - POA

LASPOA

Las Vegas Harry Reid Intl

Tue 9/9

1:50 am-12:20 am

1 stop18h 30m

Porto Alegre Salgado Filho

Mon 9/15

1:25 am-10:30 pm

1 stop25h 05m

$715

Las VegasPorto Alegre

LAS - POA

LASPOA

Las Vegas Harry Reid Intl

Wed 1/21

1:02 am-12:30 am

1 stop18h 28m

$294

Las VegasPorto Alegre

LAS - POA

LASPOA

Las Vegas Harry Reid Intl

Sat 1/24

11:42 pm-2:35 pm

2 stops33h 53m

$340

Las VegasPorto Alegre

LAS - POA

LASPOA

Las Vegas Harry Reid Intl

Thu 1/22

1:02 am-12:30 am

1 stop18h 28m

$350

Las VegasPorto Alegre

LAS - POA

LASPOA

Las Vegas Harry Reid Intl

Wed 12/17

12:51 am-12:30 am

1 stop18h 39m

$411

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 13 results
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Best time to book a flight from Las Vegas to Porto Alegre

Have a flexible travel schedule? Discover the best time to fly to Porto Alegre from Las Vegas 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.

Related info for your journey

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

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

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

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

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

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

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

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Porto Alegre Salgado Filho Airport car rentals

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