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$331+ 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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — LAS
Feb 27 — Mar 61
Thu 2/27
Thu 3/6
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 February 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$545
(Trip.com)

One-way from

$440
(Booking.com)

Popular in

July

Cheapest in

February

Average price

$808
Provider with most accurate pricing for Lisbon Humberto Delgado-Las Vegas Harry Reid Intl flight deals.
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Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-Las Vegas Harry Reid Intl flights.
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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. 16% potential increase in price ($197 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($45 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 22, 2025.

This Trip.com deal was found by Cheapflights users on 2/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/39:50 amOPO - LAS
1 stop19h 38mAir Transat
Fri 4/1810:35 pmLAS - OPO
1 stop25h 30mAir Transat
Deal found 2/21$545
This Mytrip deal was found by Cheapflights users on 2/20. 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.
Sun 3/99:40 amLIS - LAS
1 stop18h 50mMultiple Airlines
Mon 3/2411:25 pmLAS - LIS
1 stop25h 30mMultiple Airlines
Deal found 2/20$604
This Kiwi.com deal was found by Cheapflights users on 2/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/39:50 amOPO - LAS
1 stop19h 38mMultiple Airlines
Fri 4/1810:35 pmLAS - OPO
2 stops24h 10mMultiple Airlines
Deal found 2/21$672
This Air Transat deal was found by Cheapflights users on 2/21. 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 Air Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/210:40 amLIS - LAS
1 stop18h 48mAir Transat
Thu 8/289:55 amLAS - LIS
1 stop15h 40mAir Transat
Deal found 2/21$698
This Iberia deal was found by Cheapflights users on 2/20. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/97:45 amLIS - LAS
2 stops21h 00mIberia
Mon 3/2410:11 amLAS - LIS
1 stop15h 54mIberia
Deal found 2/20$724
This British Airways deal was found by Cheapflights users on 2/21. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/38:25 amLIS - LAS
2 stops19h 52mBritish Airways
Tue 4/812:33 pmLAS - LIS
1 stop12h 32mBritish Airways
Deal found 2/21$725
This American Airlines deal was found by Cheapflights users on 2/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/311:05 amLIS - LAS
2 stops18h 53mAmerican Airlines
Tue 4/88:26 amLAS - LIS
2 stops16h 39mAmerican Airlines
Deal found 2/21$740
This United Airlines deal was found by Cheapflights users on 2/21. 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.
Thu 3/136:00 amOPO - LAS
2 stops23h 44mUnited Airlines
Fri 3/287:25 pmLAS - OPO
2 stops30h 20mUnited Airlines
Deal found 2/21$793
This Delta deal was found by Cheapflights users on 2/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/39:50 amLIS - LAS
2 stops20h 09mDelta
Tue 4/81:40 pmLAS - LIS
2 stops17h 10mDelta
Deal found 2/21$797
This United Airlines deal was found by Cheapflights users on 2/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/305:00 amLIS - LAS
2 stops22h 43mUnited Airlines
Tue 11/46:00 amLAS - LIS
2 stops18h 10mUnited Airlines
Deal found 2/20$798
This Air Canada deal was found by Cheapflights users on 2/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/46:00 amOPO - LAS
2 stops24h 24mAir Canada
Wed 6/188:00 amLAS - OPO
2 stops17h 30mAir Canada
Deal found 2/21$806
This Air Canada deal was found by Cheapflights users on 2/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/211:25 amLIS - LAS
2 stops30h 35mAir Canada
Thu 8/287:30 amLAS - LIS
2 stops17h 50mAir Canada
Deal found 2/21$810

Find flights from Portugal to Las Vegas within your budget

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 February 22, 2025.

Fly from

Portugal

Fly to

Las Vegas

Route

Depart

Return

Price

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Thu 4/3

9:50 am-9:28 pm

1 stop19h 38m

Las Vegas Harry Reid Intl

Fri 4/18

10:35 pm-8:05 am

1 stop25h 30m

$545

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Sun 3/9

9:40 am-8:30 pm

1 stop18h 50m

Las Vegas Harry Reid Intl

Mon 3/24

11:25 pm-7:55 am

1 stop25h 30m

$604

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Thu 4/3

9:50 am-9:28 pm

1 stop19h 38m

Las Vegas Harry Reid Intl

Fri 4/18

10:35 pm-6:45 am

2 stops24h 10m

$672

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Wed 4/2

10:40 am-9:28 pm

1 stop18h 48m

Las Vegas Harry Reid Intl

Thu 8/28

9:55 am-9:35 am

1 stop15h 40m

$698

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Sun 3/9

7:45 am-8:45 pm

2 stops21h 00m

Las Vegas Harry Reid Intl

Mon 3/24

10:11 am-9:05 am

1 stop15h 54m

$724

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Thu 4/3

8:25 am-8:17 pm

2 stops19h 52m

Las Vegas Harry Reid Intl

Tue 4/8

12:33 pm-9:05 am

1 stop12h 32m

$725

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Sun 3/9

11:05 am-9:55 pm

2 stops17h 50m

Las Vegas Harry Reid Intl

Tue 3/25

11:50 am-9:15 am

2 stops14h 25m

$727

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Thu 3/13

6:00 am-10:44 pm

2 stops23h 44m

Las Vegas Harry Reid Intl

Fri 3/28

7:25 pm-8:45 am

2 stops30h 20m

$793

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Thu 4/3

9:50 am-9:59 pm

2 stops20h 09m

Las Vegas Harry Reid Intl

Tue 4/8

1:40 pm-2:50 pm

2 stops17h 10m

$797

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Tue 5/6

5:05 am-9:18 am

2 stops36h 13m

Las Vegas Harry Reid Intl

Wed 5/14

2:02 pm-10:30 am

2 stops36h 28m

$798

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 41 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.

Travel insights for flights from Portugal to Las Vegas

Get recent, data-driven insights about flights from Portugal to Las Vegas including ideal travel times, pricing trends, and more.

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 February 22, 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
8,212 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,212 reviews
Delta
8.0
Very good
8,212 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,330 reviews
Delta
8.0
Very good
8,212 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air Transat
7.8
Good
380 reviews
Delta
8.0
Very good
8,212 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair
7.6
Good
1,273 reviews
Delta
8.0
Very good
8,212 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

SWISS
7.5
Good
1,566 reviews
Delta
8.0
Very good
8,212 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 ($440), Aer Lingus ($816), and Turkish Airlines ($862).

  • 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
Kingman
Primm
Mesquite
Needles
Mount Charleston
Pahrump
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 February 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$763Average$824FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$796Average$1,028FlexibilityNo cancel feeOn-time69%
DeltaCheapest$806Average$810FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$830Average$1,131FlexibilityNo cancel feeOn-time71%
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