How long is the flight from Portugal to Las Vegas?

Air Transat, British Airways, and American Airlines can get you from Portugal to Las Vegas in just under 18h 54m. Your travel time can differ by up to 2h 33m. The distance from Portugal to Las Vegas is about 5437 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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.

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).

What are the most popular airlines that fly from Portugal to Las Vegas?

When booking a flight from Portugal to Las Vegas, you may want to consider flying on American Airlines, British Airways or Delta as they are the most popular for this route.

What is the cheapest time of day to fly from PT to LAS?

When flying from Portugal to Las Vegas, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

$356+ Cheap Flights from Portugal to Las Vegas

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Cheap flight deals from Portugal to Las Vegas

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$676 (Rumbo)
One-way from	$356 (Kiwi.com)
Popular in	August
Cheapest in	February
Average price	$772

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

Search Deals

Highest demand for flights based on searches. 5% potential increase in price ($54 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).

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Average for round-trip flights in September 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 September 30, 2025.

Fri 11/148:35 amLIS - LAS

1 stop21h 27mAir Transat

Fri 11/2811:05 pmLAS - LIS

1 stop23h 40mAir Transat

Deal found 9/30

$654

Fri 11/78:35 amLIS - LAS

1 stop21h 27mAir Transat

Fri 11/2111:05 pmLAS - LIS

1 stop23h 40mAir Transat

Deal found 9/30

$662

Fri 11/218:35 amLIS - LAS

1 stop21h 27mAir Transat

Fri 12/511:05 pmLAS - LIS

1 stop23h 40mAir Transat

Deal found 9/28

$676

Fri 11/216:10 amLIS - LAS

2 stops23h 52mMultiple Airlines

Fri 12/511:05 pmLAS - LIS

2 stops25h 50mMultiple Airlines

Deal found 9/28

$713

Fri 11/2111:05 amLIS - LAS

2 stops32h 35mAmerican Airlines

Fri 12/510:16 amLAS - LIS

2 stops17h 49mAmerican Airlines

Deal found 9/28

$752

Fri 11/711:05 amLIS - LAS

1 stop19h 49mBritish Airways

Fri 11/2111:46 amLAS - LIS

2 stops26h 39mBritish Airways

Deal found 9/30

$755

Fri 11/147:05 amLIS - LAS

1 stop19h 45mBritish Airways

Fri 11/2810:05 amLAS - LIS

2 stops18h 00mBritish Airways

Deal found 9/27

$757

Tue 10/76:35 amLIS - LAS

2 stops20h 19mIberia

Fri 10/2410:30 amLAS - LIS

1 stop14h 35mIberia

Deal found 9/28

$763

Fri 11/2111:25 amLIS - LAS

2 stops20h 34mDelta

Fri 12/51:59 pmLAS - LIS

2 stops19h 31mDelta

Deal found 9/28

$764

Mon 11/38:20 amOPO - LAS

2 stops18h 54mAmerican Airlines

Tue 11/186:00 amLAS - OPO

2 stops17h 40mAmerican Airlines

Deal found 9/28

$768

Mon 11/34:10 pmOPO - LAS

1 stop30h 05mMultiple Airlines

Tue 11/189:51 amLAS - OPO

2 stops16h 39mMultiple Airlines

Deal found 9/29

$773

Wed 11/58:20 amOPO - LAS

2 stops20h 53mAmerican Airlines

Wed 11/126:00 amLAS - OPO

2 stops17h 40mAmerican Airlines

Deal found 9/28

$777

Best flights from Portugal to Las Vegas
Discover carefully curated flight deals from Portugal to Las Vegas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 30, 2025.

Fri 11/218:35 amLIS - LAS

1 stop21h 27mAir Transat

Fri 12/511:05 pmLAS - LIS

1 stop23h 40mAir Transat

Deal found 9/28

$676

Fri 11/218:35 amLIS - LAS

1 stop21h 27mMultiple Airlines

Fri 12/511:05 pmLAS - LIS

1 stop23h 40mMultiple Airlines

Deal found 9/28

$722

Mon 2/911:05 amLIS - LAS

1 stop18h 54mBritish Airways

Wed 2/188:55 pmLAS - LIS

1 stop16h 55mBritish Airways

Deal found 9/28

$744

Wed 2/1811:15 amLIS - LAS

2 stops19h 18mAmerican Airlines

Sun 2/226:35 pmLAS - LIS

1 stop19h 10mAmerican Airlines

Deal found 9/27

$752

Fri 11/145:00 amLIS - LAS

2 stops23h 00mDelta

Fri 11/2810:51 amLAS - LIS

2 stops20h 19mDelta

Deal found 9/27

$763

Wed 11/54:10 pmOPO - LAS

1 stop30h 05mKLM

Wed 11/129:33 amLAS - OPO

2 stops16h 57mKLM

Deal found 9/28

$773

Wed 2/184:40 pmOPO - LAS

2 stops23h 31mIberia

Sun 2/2211:16 amLAS - OPO

2 stops24h 44mIberia

Deal found 9/27

$821

Fri 11/148:35 amLIS - LAS

1 stop21h 27mAir Transat

Fri 11/2811:05 pmLAS - LIS

1 stop23h 40mAir Transat

Deal found 9/27

$686

Mon 2/911:05 amLIS - LAS

2 stops19h 19mMultiple Airlines

Wed 2/188:55 pmLAS - LIS

1 stop16h 55mMultiple Airlines

Deal found 9/28

$753

Tue 1/137:05 amLIS - LAS

1 stop19h 45mBritish Airways

Fri 1/236:35 pmLAS - LIS

1 stop15h 20mBritish Airways

Deal found 9/29

$758

Fri 11/2111:25 amLIS - LAS

2 stops20h 34mDelta

Fri 12/51:59 pmLAS - LIS

2 stops19h 31mDelta

Deal found 9/28

$764

Wed 11/58:20 amOPO - LAS

2 stops20h 53mAmerican Airlines

Wed 11/126:00 amLAS - OPO

2 stops17h 40mAmerican Airlines

Deal found 9/28

$777

Mon 11/311:15 amOPO - LAS

1 stop35h 00mKLM

Tue 11/184:05 pmLAS - OPO

1 stop34h 25mKLM

Deal found 9/28

$779

Tue 1/137:05 amLIS - LAS

1 stop19h 45mBritish Airways

Sun 1/258:55 pmLAS - LIS

1 stop16h 50mBritish Airways

Deal found 9/29

$758

Mon 11/36:30 amOPO - LAS

2 stops24h 50mDelta

Tue 11/187:15 amLAS - OPO

2 stops19h 15mDelta

Deal found 9/29

$779

Mon 11/34:10 pmOPO - LAS

1 stop30h 05mMultiple Airlines

Tue 11/189:51 amLAS - OPO

2 stops16h 39mMultiple Airlines

Deal found 9/29

$781

Mon 11/38:20 amOPO - LAS

2 stops18h 54mAmerican Airlines

Tue 11/186:00 amLAS - OPO

2 stops17h 40mAmerican Airlines

Deal found 9/29

$815

Sun 10/267:30 amOPO - LAS

2 stops20h 35mMultiple Airlines

Sat 11/11:20 amLAS - OPO

3 stops34h 40mMultiple Airlines

Deal found 9/28

$789

Last-minute flights from Portugal to Las Vegas
Discover last-minute flight deals from Portugal to Las Vegas. Data last updated September 30, 2025 and is based on user searches.

Mon 10/68:35 pmOPO - LAS

2 stops30h 19mIberia

Tue 10/213:36 pmLAS - OPO

2 stops36h 04mIberia

Deal found 9/28

$814

Mon 10/66:30 amOPO - LAS

2 stops21h 05mDelta

Tue 10/218:25 pmLAS - OPO

1 stop17h 50mDelta

Deal found 9/28

$871

Tue 10/76:35 amLIS - LAS

2 stops20h 19mIberia

Fri 10/2410:30 amLAS - LIS

1 stop14h 35mIberia

Deal found 9/28

$763

Tue 10/75:40 amLIS - LAS

2 stops18h 28mDelta

Fri 10/241:57 pmLAS - LIS

2 stops19h 53mDelta

Deal found 9/29

$769

Tue 10/76:45 pmLIS - LAS

2 stops32h 02mBritish Airways

Thu 10/231:10 amLAS - LIS

1 stop23h 55mBritish Airways

Deal found 9/28

$822

Sun 10/267:30 amOPO - LAS

2 stops20h 35mMultiple Airlines

Sat 11/11:20 amLAS - OPO

3 stops34h 40mMultiple Airlines

Deal found 9/28

$789

Mon 10/275:45 pmLIS - LAS

2 stops34h 20mMultiple Airlines

Fri 10/314:45 pmLAS - LIS

2 stops31h 00mMultiple Airlines

Deal found 9/30

$839

Tue 10/287:15 pmOPO - LAS

2 stops46h 16mMultiple Airlines

Tue 11/410:29 pmLAS - OPO

1 stop29h 26mMultiple Airlines

Deal found 9/29

$866

Tue 10/2812:30 pmOPO - LAS

1 stop31h 35mUnited Airlines

Tue 11/410:00 amLAS - OPO

1 stop15h 30mUnited Airlines

Deal found 9/29

$877

Tue 10/286:05 amOPO - LAS

2 stops23h 24mDelta

Tue 11/47:15 amLAS - OPO

2 stops19h 15mDelta

Deal found 9/29

$878

Thu 10/307:00 amLIS - LAS

1 stop19h 50mBritish Airways

Thu 11/611:46 amLAS - LIS

2 stops18h 59mBritish Airways

Deal found 9/30

$794

Thu 10/306:00 amLIS - LAS

2 stops34h 35mMultiple Airlines

Thu 11/67:00 amLAS - LIS

2 stops25h 20mMultiple Airlines

Deal found 9/30

$847

One-way flights from Portugal to Las Vegas
Search for one-way flight options from Portugal to Las Vegas. Find affordable one-way fares based on user searches. Data last updated September 30, 2025.

Wed 10/294:45 pmLIS - LAS

2 stops35h 20mMultiple Airlines

Deal found 9/30

$356

Mon 2/96:15 pmLIS - LAS

2 stops35h 18mMultiple Airlines

Deal found 9/29

$375

Fri 10/2410:30 pmLIS - LAS

3 stops54h 35mMultiple Airlines

Deal found 9/30

$388

Wed 11/129:50 amLIS - LAS

2 stops42h 49mMultiple Airlines

Deal found 9/29

$390

Thu 11/136:35 amOPO - LAS

3 stops46h 03mMultiple Airlines

Deal found 9/29

$391

Tue 2/106:55 amLIS - LAS

2 stops22h 38mMultiple Airlines

Deal found 9/29

$392

Sat 10/257:30 amLIS - LAS

3 stops45h 35mMultiple Airlines

Deal found 9/30

$394

Mon 10/279:45 amLIS - LAS

3 stops42h 20mMultiple Airlines

Deal found 9/30

$399

Sat 2/149:30 pmLIS - LAS

2 stops32h 41mMultiple Airlines

Deal found 9/29

$411

Tue 10/285:25 pmLIS - LAS

3 stops54h 27mMultiple Airlines

Deal found 9/30

$418

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portugal to Las Vegas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Fri 11/21

8:35 am-10:02 pm

1 stop21h 27m

Las Vegas Harry Reid Intl

Fri 12/5

11:05 pm-6:45 am

1 stop23h 40m

$676

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Fri 11/14

8:35 am-10:02 pm

1 stop21h 27m

Las Vegas Harry Reid Intl

Fri 11/28

11:05 pm-6:45 am

1 stop23h 40m

$686

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Fri 11/21

8:35 am-10:02 pm

1 stop21h 27m

Las Vegas Harry Reid Intl

Fri 12/5

11:05 pm-6:45 am

1 stop23h 40m

$722

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Mon 2/9

11:05 am-9:59 pm

1 stop18h 54m

Las Vegas Harry Reid Intl

Wed 2/18

8:55 pm-9:50 pm

1 stop16h 55m

$744

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Wed 2/18

11:15 am-10:33 pm

2 stops19h 18m

Las Vegas Harry Reid Intl

Sun 2/22

6:35 pm-9:45 pm

1 stop19h 10m

$752

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Mon 2/9

11:05 am-10:24 pm

2 stops19h 19m

Las Vegas Harry Reid Intl

Wed 2/18

8:55 pm-9:50 pm

1 stop16h 55m

$753

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Tue 1/13

7:05 am-6:50 pm

1 stop19h 45m

Las Vegas Harry Reid Intl

Fri 1/23

6:35 pm-5:55 pm

1 stop15h 20m

$758

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Tue 1/13

7:05 am-6:50 pm

1 stop19h 45m

Las Vegas Harry Reid Intl

Sun 1/25

8:55 pm-9:45 pm

1 stop16h 50m

$758

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Fri 11/14

5:00 am-8:00 pm

2 stops23h 00m

Las Vegas Harry Reid Intl

Fri 11/28

10:51 am-3:10 pm

2 stops20h 19m

$763

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Fri 11/21

11:25 am-11:59 pm

2 stops20h 34m

Las Vegas Harry Reid Intl

Fri 12/5

1:59 pm-5:30 pm

2 stops19h 31m

$764

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/29

Showing 1-10 of 28 results

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 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.

Delta

8.0

Very good

7,964 reviews

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

Delta

8.0

Very good

7,964 reviews

Delta

8.0

Very good

7,964 reviews

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

United Airlines

7.4

Good

8,931 reviews

Delta

8.0

Very good

7,964 reviews

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

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,964 reviews

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

British Airways

6.7

Okay

7,410 reviews

Delta

8.0

Very good

7,964 reviews

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

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.
How long is the flight from Portugal to Las Vegas?
Air Transat, British Airways, and American Airlines can get you from Portugal to Las Vegas in just under 18h 54m. Your travel time can differ by up to 2h 33m. The distance from Portugal to Las Vegas is about 5437 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
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

Paradise

Henderson

North Las Vegas

Sunrise Manor

Winchester

Kingman

Primm

Mount Charleston

Mesquite

Needles

Boulder City

Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from Portugal to Las Vegas

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest$704	Average$914	FlexibilityNo cancel fee	On-time70%
Delta	Cheapest$729	Average$810	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$790	Average$859	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$820	Average$974	FlexibilityNo cancel fee	On-time71%

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$356+ 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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Portugal to Las Vegas with Cheapflights

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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 September 30, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Portugal to Las Vegas

Cheapest flights from Portugal to Las VegasExplore 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 September 30, 2025.

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 September 30, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portugal to Las Vegas that are best for you.

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.

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?

Reviews of airlines servicing Las Vegas

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.

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?

How long is the flight from Portugal to Las Vegas?

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

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

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

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

Traveling to a place near Las Vegas?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

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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 September 30, 2025.