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$284+ 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — LAS
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
1 adult, Economy
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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 June 18, 2025.

Round-trip from

$648
(Kiwi.com)

One-way from

$284
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$1,081
From Portugal to Las Vegas Harry Reid Intl
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One-way flight from Portugal to Las Vegas Harry Reid Intl
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Highest demand for flights based on searches. 13% potential increase in price ($152 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 6/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/910:10 pmLIS - LAS
2 stops31h 43mMultiple Airlines
Mon 9/159:32 amLAS - LIS
1 stop16h 33mMultiple Airlines
Deal found 6/17$648
This Gotogate deal was found by Cheapflights users on 6/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/198:50 amLIS - LAS
1 stop32h 00mAir Transat
Sat 7/510:55 pmLAS - LIS
1 stop26h 40mAir Transat
Deal found 6/17$692
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/211:30 pmOPO - LAS
1 stop16h 25mMultiple Airlines
Sat 7/58:06 pmLAS - OPO
2 stops53h 09mMultiple Airlines
Deal found 6/17$708
This Delta deal was found by Cheapflights users on 6/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/75:00 amLIS - LAS
1 stop21h 35mDelta
Fri 10/249:35 amLAS - LIS
2 stops21h 15mDelta
Deal found 6/16$750
This British Airways deal was found by Cheapflights users on 6/17. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2011:00 amLIS - LAS
1 stop34h 20mBritish Airways
Wed 11/58:55 pmLAS - LIS
1 stop29h 00mBritish Airways
Deal found 6/17$753
This KLM deal was found by Cheapflights users on 6/17. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1110:25 amLIS - LAS
1 stop16h 10mKLM
Tue 9/1611:00 amLAS - LIS
1 stop15h 45mKLM
Deal found 6/17$756
This British Airways deal was found by Cheapflights users on 6/17. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/48:20 amOPO - LAS
2 stops42h 30mBritish Airways
Fri 11/1411:31 amLAS - OPO
2 stops23h 44mBritish Airways
Deal found 6/17$761
This Gotogate deal was found by Cheapflights users on 6/18. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/231:30 pmOPO - LAS
1 stop16h 25mAir Transat
Sun 7/69:55 amLAS - OPO
1 stop17h 50mAir Transat
Deal found 6/18$762
This Delta deal was found by Cheapflights users on 6/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/315:00 amOPO - LAS
2 stops25h 57mDelta
Wed 11/129:20 amLAS - OPO
2 stops17h 30mDelta
Deal found 6/17$772
This Air France deal was found by Cheapflights users on 6/17. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2212:45 pmLIS - LAS
2 stops18h 02mAir France
Thu 11/69:35 amLAS - LIS
2 stops15h 25mAir France
Deal found 6/17$778
This KLM deal was found by Cheapflights users on 6/17. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3111:45 amOPO - LAS
2 stops18h 20mKLM
Thu 11/133:59 pmLAS - OPO
1 stop34h 31mKLM
Deal found 6/17$785
This American Airlines deal was found by Cheapflights users on 6/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/711:05 amLIS - LAS
2 stops17h 58mAmerican Airlines
Thu 10/2312:59 amLAS - LIS
1 stop24h 06mAmerican Airlines
Deal found 6/17$787

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 June 18, 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 9/9

10:10 pm-9:53 pm

2 stops31h 43m

Las Vegas Harry Reid Intl

Mon 9/15

9:32 am-10:05 am

1 stop16h 33m

$648

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Tue 10/7

5:00 am-6:35 pm

1 stop21h 35m

Las Vegas Harry Reid Intl

Fri 10/24

9:35 am-2:50 pm

2 stops21h 15m

$750

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Mon 10/20

11:00 am-1:20 pm

1 stop34h 20m

Las Vegas Harry Reid Intl

Wed 11/5

8:55 pm-9:55 am

1 stop29h 00m

$753

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Thu 9/11

10:25 am-6:35 pm

1 stop16h 10m

Las Vegas Harry Reid Intl

Tue 9/16

11:00 am-10:45 am

1 stop15h 45m

$756

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Tue 11/4

8:20 am-6:50 pm

2 stops42h 30m

Las Vegas Harry Reid Intl

Fri 11/14

11:31 am-7:15 pm

2 stops23h 44m

$761

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Fri 10/31

5:00 am-11:57 pm

2 stops25h 57m

Las Vegas Harry Reid Intl

Wed 11/12

9:20 am-10:50 am

2 stops17h 30m

$772

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Wed 10/22

12:45 pm-10:47 pm

2 stops18h 02m

Las Vegas Harry Reid Intl

Thu 11/6

9:35 am-9:00 am

2 stops15h 25m

$778

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Fri 10/31

11:45 am-11:05 pm

2 stops18h 20m

Las Vegas Harry Reid Intl

Fri 11/14

10:05 am-10:50 am

2 stops16h 45m

$779

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Fri 10/31

11:45 am-11:05 pm

2 stops18h 20m

Las Vegas Harry Reid Intl

Thu 11/13

3:59 pm-10:30 am

1 stop34h 31m

$785

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Tue 10/7

11:05 am-9:03 pm

2 stops17h 58m

Las Vegas Harry Reid Intl

Thu 10/23

12:59 am-9:05 am

1 stop24h 06m

$787

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/15

Showing 1-10 of 36 results
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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.

Rainfall in Las Vegas by month

Plan your trip to Las Vegas by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Las Vegas ranges from 0.1 - 0.8 inches per month. February is typically the wettest month, when rainfall can reach 0.8 in. May is typically the driest time to visit Las Vegas when rainfall is around 0.1 in.

Temperature in Las Vegas by month

Plan your trip to Las Vegas by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Las Vegas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 93.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

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 June 18, 2025.
Get a feel of what it's like to fly with Delta, KLM and Air Transat from Portugal to Las Vegas by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,964 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,964 reviews
Delta
8.0
Very good
7,964 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,363 reviews
Delta
8.0
Very good
7,964 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Transat
7.8
Good
398 reviews
Delta
8.0
Very good
7,964 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
LOT
7.6
Good
1,081 reviews
Delta
8.0
Very good
7,964 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,292 reviews
Delta
8.0
Very good
7,964 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines to fly from Portugal to Las Vegas one-way?

    The cheapest airlines for a one-way flight from Portugal to Las Vegas are Air Transat ($535), Air Europa ($730), and American Airlines ($748).

  • 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 Portugal?

Book flights to Portugal if you plan to visit one of these locations
Henderson
Paradise
Sunrise Manor
North Las Vegas
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.
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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 June 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$706Average$818FlexibilityNo cancel feeOn-time70%
DeltaCheapest$729Average$810FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$796Average$984FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$830Average$1,293FlexibilityNo cancel feeOn-time71%

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