Las Vegas

$385+ Cheap flights from Portugal 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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — LAS
Aug 19 — Aug 261
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Cheap flight deals from Portugal to Las Vegas

Keep the following information in mind while searching for Portugal to Las Vegas flight deals. Data was last updated August 14, 2025.

Round-trip from

$642
(Kiwi.com)

One-way from

$385
(Kiwi.com)

Popular in

October

Cheapest in

February

Average price

$1,058
From Portugal to Las Vegas Harry Reid Intl
One-way flight from Portugal to Las Vegas Harry Reid Intl
High demand for flights, 1% potential price rise
Cheapest flight prices on average. 1% potential price decrease ($17 potential savings vs. average RT price).
Average for round-trip flights in August 2025

Find flight deals from Portugal to Las Vegas

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

This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/49:05 amLIS - LAS
2 stops33h 26mMultiple Airlines
Tue 11/1110:29 pmLAS - LIS
1 stop27h 26mMultiple Airlines
Deal found 8/14$642
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/114:10 pmOPO - LAS
3 stops36h 01mMultiple Airlines
Wed 9/2412:11 pmLAS - OPO
2 stops26h 24mMultiple Airlines
Deal found 8/13$683
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/89:15 pmLIS - LAS
2 stops26h 40mMultiple Airlines
Sat 10/118:21 amLAS - LIS
2 stops18h 29mMultiple Airlines
Deal found 8/13$687
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/510:40 amLIS - LAS
1 stop19h 13mMultiple Airlines
Sat 9/2010:41 pmLAS - LIS
2 stops35h 44mMultiple Airlines
Deal found 8/14$728
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/119:00 amLIS - LAS
2 stops33h 31mMultiple Airlines
Wed 11/1910:29 pmLAS - LIS
1 stop27h 26mMultiple Airlines
Deal found 8/14$744
This Rumbo 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/111:30 pmOPO - LAS
1 stop29h 45mAir Transat
Wed 9/2412:20 pmLAS - OPO
1 stop15h 35mAir Transat
Deal found 8/13$761
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/810:30 pmLIS - LAS
2 stops30h 59mMultiple Airlines
Mon 9/229:28 pmLAS - LIS
1 stop29h 22mMultiple Airlines
Deal found 8/14$781
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/186:00 pmLIS - LAS
3 stops36h 26mMultiple Airlines
Tue 9/239:15 amLAS - LIS
2 stops17h 35mMultiple Airlines
Deal found 8/13$801
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/258:35 pmLIS - LAS
2 stops33h 51mMultiple Airlines
Sat 10/118:21 amLAS - LIS
2 stops18h 29mMultiple Airlines
Deal found 8/13$817
This Connections by easyJet 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 Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/17:00 amLIS - LAS
2 stops22h 31mMultiple Airlines
Thu 12/411:20 amLAS - LIS
2 stops27h 55mMultiple Airlines
Deal found 8/14$824
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.
Thu 9/116:00 amOPO - LAS
2 stops25h 54mUnited Airlines
Wed 9/246:00 amLAS - OPO
2 stops19h 45mUnited Airlines
Deal found 8/14$829
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.
Sun 12/146:00 amOPO - LAS
1 stop16h 40mUnited Airlines
Sun 12/284:25 pmLAS - OPO
1 stop14h 50mUnited Airlines
Deal found 8/14$865

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portugal 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 August 14, 2025.
Use the filters below to find and compare flights from Portugal to Las Vegas that are best for you.

Fly from

Portugal

Fly to

Las Vegas

Route

Depart

Return

Price

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Tue 11/4

9:05 am-10:31 am

2 stops33h 26m

Las Vegas Harry Reid Intl

Tue 11/11

10:29 pm-9:55 am

1 stop27h 26m

$642

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Thu 9/11

4:10 pm-8:11 pm

3 stops36h 01m

Las Vegas Harry Reid Intl

Wed 9/24

12:11 pm-10:35 pm

2 stops26h 24m

$683

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Wed 10/8

9:15 pm-3:55 pm

2 stops26h 40m

Las Vegas Harry Reid Intl

Sat 10/11

8:21 am-10:50 am

2 stops18h 29m

$687

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Fri 9/5

10:40 am-9:53 pm

1 stop19h 13m

Las Vegas Harry Reid Intl

Sat 9/20

10:41 pm-6:25 pm

2 stops35h 44m

$728

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Tue 11/11

9:00 am-10:31 am

2 stops33h 31m

Las Vegas Harry Reid Intl

Wed 11/19

10:29 pm-9:55 am

1 stop27h 26m

$744

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Thu 9/11

1:30 pm-11:15 am

1 stop29h 45m

Las Vegas Harry Reid Intl

Wed 9/24

12:20 pm-11:55 am

1 stop15h 35m

$761

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Mon 9/8

10:30 pm-9:29 pm

2 stops30h 59m

Las Vegas Harry Reid Intl

Mon 9/22

9:28 pm-10:50 am

1 stop29h 22m

$781

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Thu 9/18

6:00 pm-10:26 pm

3 stops36h 26m

Las Vegas Harry Reid Intl

Tue 9/23

9:15 am-10:50 am

2 stops17h 35m

$801

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Thu 9/25

8:35 pm-10:26 pm

2 stops33h 51m

Las Vegas Harry Reid Intl

Sat 10/11

8:21 am-10:50 am

2 stops18h 29m

$817

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Mon 12/1

7:00 am-9:31 pm

2 stops22h 31m

Las Vegas Harry Reid Intl

Thu 12/4

11:20 am-11:15 pm

2 stops27h 55m

$824

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 19 results
1
2

Best time to book a flight from Portugal to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Portugal 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 Portugal to Las Vegas

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

Currently, August is the cheapest month in which you can book a flight from Portugal to Las Vegas (average of $198). Flying from Portugal to Las Vegas in March is currently the most expensive (average of $269). 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.

Reviews of airlines servicing Las Vegas

Get insights into the airlines that provide service to Las Vegas. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Las Vegas. Reviews last updated August 14, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Portugal to Las Vegas by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
8.0
Very good
8.0
Very good

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
8.0
Very good

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
8.0
Very good

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
8.0
Very good

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

Related info for your journey

Find useful and relevant information for your journey from Portugal to Las Vegas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Las Vegas from Portugal?

    Las Vegas Harry Reid Intl (LAS) is the airport you will fly into if you book a flight from Portugal to Las Vegas. It is only a 6.2 mi journey from Harry Reid Intl (LAS) to Las Vegas’s city center.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portugal 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 Portugal to Las Vegas?

    Currently, August is the cheapest month in which you can book a flight from Portugal to Las Vegas (average of $198). Flying from Portugal to Las Vegas in March is currently the most expensive (average of $269). 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

Traveling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Henderson
Paradise
North Las Vegas
Sunrise Manor
Winchester
Primm
Mount Charleston
Kingman
Mesquite
Needles
Boulder City

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Alternative routes for Portugal to Las Vegas

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Portugal to Las Vegas

Discover the top 4 airlines that operate flights from Portugal to Las Vegas. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$706Average$815FlexibilityNo cancel feeOn-time70%
DeltaCheapest$729Average$810FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$790Average$859FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$820Average$974FlexibilityNo cancel feeOn-time71%

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