How long is the flight from Portugal to Las Vegas?

Air Transat, British Airways, and Scandinavian Airlines can get you from Portugal to Las Vegas in just under 19h 45m. Your travel time can differ by up to 3h 50m. The distance from Portugal to Las Vegas is about 5352 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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 ($331), British Airways ($562), and Aer Lingus ($594).

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 Delta, British Airways or American Airlines 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.

$398+ Flights from Portugal to Las Vegas

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Cheap 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 December 28, 2025.

Fri 12/2611:05 amLIS - LAS

1 stop18h 54mMultiple Airlines

Sun 1/118:55 pmLAS - LIS

1 stop16h 50mMultiple Airlines

Deal found 12/25

$1,010

Fri 12/265:30 amLIS - LAS

2 stops18h 23mAir France

Sun 1/1110:19 amLAS - LIS

2 stops17h 01mAir France

Deal found 12/25

$1,039

Sun 12/2811:05 amLIS - LAS

1 stop32h 35mAmerican Airlines

Sat 1/107:55 pmLAS - LIS

1 stop32h 10mAmerican Airlines

Deal found 12/27

$1,097

Sun 12/285:30 amLIS - LAS

2 stops20h 38mDelta

Sat 1/109:46 amLAS - LIS

1 stop14h 14mDelta

Deal found 12/27

$1,104

Sun 12/285:30 amLIS - LAS

3 stops24h 39mMultiple Airlines

Sat 1/1011:30 pmLAS - LIS

2 stops24h 15mMultiple Airlines

Deal found 12/27

$1,829

Sun 12/287:50 amLIS - LAS

3 stops37h 06mCathay Pacific

Sat 1/107:05 amLAS - LIS

3 stops45h 00mCathay Pacific

Deal found 12/27

$16,583

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 December 28, 2025.

Sun 2/88:35 amLIS - LAS

1 stop21h 27mAir Transat

Mon 2/2312:40 pmLAS - LIS

1 stop34h 05mAir Transat

Deal found 12/27

$748

Thu 1/158:20 amOPO - LAS

2 stops19h 45mBritish Airways

Sat 1/311:48 pmLAS - OPO

2 stops21h 27mBritish Airways

Deal found 12/26

$756

Thu 1/158:20 amOPO - LAS

2 stops21h 39mMultiple Airlines

Sat 1/311:48 pmLAS - OPO

2 stops21h 27mMultiple Airlines

Deal found 12/26

$756

Fri 3/66:55 amLIS - LAS

2 stops23h 35mScandinavian Airlines

Tue 3/107:00 amLAS - LIS

2 stops42h 55mScandinavian Airlines

Deal found 12/26

$756

Fri 1/168:20 amOPO - LAS

2 stops38h 58mAmerican Airlines

Tue 1/208:10 amLAS - OPO

2 stops15h 30mAmerican Airlines

Deal found 12/27

$773

Thu 4/168:20 amOPO - LAS

2 stops18h 30mIberia

Sun 4/193:47 pmLAS - OPO

2 stops16h 13mIberia

Deal found 12/26

$774

Sat 4/186:00 amOPO - LAS

1 stop18h 20mUnited Airlines

Sat 4/187:50 pmLAS - OPO

2 stops35h 50mUnited Airlines

Deal found 12/27

$805

Mon 5/47:00 pmOPO - LAS

1 stop31h 35mKLM

Wed 5/135:50 pmLAS - OPO

1 stop20h 10mKLM

Deal found 12/26

$809

Wed 3/47:05 amLIS - LAS

2 stops23h 25mScandinavian Airlines

Wed 3/117:00 amLAS - LIS

2 stops42h 55mScandinavian Airlines

Deal found 12/26

$756

Fri 1/2311:05 amLIS - LAS

1 stop18h 49mBritish Airways

Fri 2/68:55 pmLAS - LIS

1 stop33h 55mBritish Airways

Deal found 12/26

$758

Thu 1/225:00 amOPO - LAS

2 stops20h 50mMultiple Airlines

Thu 2/57:35 pmLAS - OPO

2 stops31h 25mMultiple Airlines

Deal found 12/25

$781

Sat 2/218:40 pmOPO - LAS

2 stops31h 19mIberia

Mon 3/99:35 amLAS - OPO

2 stops23h 25mIberia

Deal found 12/26

$784

Mon 5/48:20 amOPO - LAS

2 stops39h 15mAmerican Airlines

Wed 5/139:20 amLAS - OPO

2 stops18h 25mAmerican Airlines

Deal found 12/28

$791

Wed 3/47:00 pmLIS - LAS

2 stops35h 20mScandinavian Airlines

Sat 3/141:59 pmLAS - LIS

2 stops35h 56mScandinavian Airlines

Deal found 12/26

$756

Fri 3/611:05 amLIS - LAS

1 stop19h 33mBritish Airways

Fri 3/1312:29 pmLAS - LIS

2 stops22h 26mBritish Airways

Deal found 12/26

$758

Fri 1/236:35 pmOPO - LAS

2 stops30h 43mMultiple Airlines

Thu 1/291:01 amLAS - OPO

3 stops27h 09mMultiple Airlines

Deal found 12/26

$806

Sat 3/710:40 amLIS - LAS

1 stop19h 58mBritish Airways

Sat 3/1412:30 pmLAS - LIS

2 stops19h 20mBritish Airways

Deal found 12/26

$758

Sat 3/710:40 amLIS - LAS

1 stop17h 24mBritish Airways

Tue 3/109:55 pmLAS - LIS

1 stop16h 50mBritish Airways

Deal found 12/26

$758

Sat 3/710:40 amLIS - LAS

1 stop17h 24mBritish Airways

Sun 3/89:55 pmLAS - LIS

1 stop34h 00mBritish Airways

Deal found 12/26

$758

Mon 3/911:05 amLIS - LAS

1 stop18h 31mBritish Airways

Sat 3/1412:30 pmLAS - LIS

2 stops27h 00mBritish Airways

Deal found 12/26

$758

Last-minute flights from Portugal to Las Vegas
Discover last-minute flight deals from Portugal to Las Vegas. Data last updated December 28, 2025 and is based on user searches.

Thu 1/158:20 amOPO - LAS

2 stops19h 45mBritish Airways

Sat 1/311:48 pmLAS - OPO

2 stops21h 27mBritish Airways

Deal found 12/26

$756

Thu 1/156:30 amLIS - LAS

2 stops24h 04mAmerican Airlines

Sun 1/1810:42 amLAS - LIS

1 stop14h 23mAmerican Airlines

Deal found 12/27

$767

Thu 1/157:00 amOPO - LAS

2 stops23h 02mMultiple Airlines

Sat 1/319:47 amLAS - OPO

3 stops20h 23mMultiple Airlines

Deal found 12/26

$910

Fri 1/169:00 amLIS - LAS

1 stop21h 02mAir Transat

Fri 1/2311:05 pmLAS - LIS

1 stop23h 40mAir Transat

Deal found 12/26

$703

Fri 1/168:20 amOPO - LAS

2 stops38h 58mAmerican Airlines

Tue 1/208:10 amLAS - OPO

2 stops15h 30mAmerican Airlines

Deal found 12/27

$773

Fri 1/1611:05 amLIS - LAS

1 stop18h 49mAmerican Airlines

Fri 1/2310:07 amLAS - LIS

2 stops14h 43mAmerican Airlines

Deal found 12/26

$783

Thu 1/225:00 amOPO - LAS

2 stops20h 50mMultiple Airlines

Thu 2/57:35 pmLAS - OPO

2 stops31h 25mMultiple Airlines

Deal found 12/25

$781

Thu 1/225:00 amOPO - LAS

1 stop17h 15mDelta

Thu 2/54:05 pmLAS - OPO

1 stop15h 20mDelta

Deal found 12/25

$816

Fri 1/239:00 amLIS - LAS

1 stop21h 02mAir Transat

Fri 2/611:05 pmLAS - LIS

1 stop23h 40mAir Transat

Deal found 12/26

$629

Fri 1/2312:55 pmLIS - LAS

2 stops34h 57mBritish Airways

Fri 2/68:55 pmLAS - LIS

1 stop17h 30mBritish Airways

Deal found 12/26

$739

Fri 1/238:20 amLIS - LAS

2 stops21h 28mMultiple Airlines

Fri 2/68:55 pmLAS - LIS

1 stop17h 30mMultiple Airlines

Deal found 12/28

$756

Fri 1/236:35 pmOPO - LAS

2 stops30h 43mMultiple Airlines

Thu 1/291:01 amLAS - OPO

3 stops27h 09mMultiple Airlines

Deal found 12/26

$806

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 December 28, 2025.

Tue 1/206:55 amLIS - LAS

2 stops43h 16mMultiple Airlines

Deal found 12/26

$398

Tue 2/107:00 amLIS - LAS

3 stops48h 44mMultiple Airlines

Deal found 12/27

$400

Sun 2/88:35 amLIS - LAS

1 stop21h 27mMultiple Airlines

Deal found 12/26

$410

Mon 3/165:40 pmLIS - LAS

3 stops58h 53mMultiple Airlines

Deal found 12/25

$433

Mon 3/1611:05 amLIS - LAS

1 stop18h 31mIberia

Deal found 12/25

$580

Sun 1/119:20 pmLIS - LAS

3 stops52h 51mMultiple Airlines

Deal found 12/26

$915

Fri 1/25:35 pmOPO - LAS

3 stops48h 10mMultiple Airlines

Deal found 12/26

$1,305

Fri 1/211:15 amOPO - LAS

1 stop35h 00mKLM

Deal found 12/26

$3,537

Find flight deals from Portugal to Las Vegas

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$609 (Mytrip)
One-way from	$398 (Kiwi.com)
Popular in	August
Cheapest in	September
Average price	$985

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

Search Deals

One-way flight from Portugal to Las Vegas Harry Reid Intl

Search Deals

Highest demand for flights based on searches. 1% potential increase in price ($14 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($15 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

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

Sun 2/8

8:35 am-10:02 pm

1 stop21h 27m

Las Vegas Harry Reid Intl

Mon 2/23

12:40 pm-6:45 am

1 stop34h 05m

$748

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Thu 1/15

8:20 am-8:05 pm

2 stops19h 45m

Las Vegas Harry Reid Intl

Sat 1/31

1:48 pm-7:15 pm

2 stops21h 27m

$756

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Thu 1/15

8:20 am-9:59 pm

2 stops21h 39m

Las Vegas Harry Reid Intl

Sat 1/31

1:48 pm-7:15 pm

2 stops21h 27m

$756

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Fri 3/6

6:55 am-10:30 pm

2 stops23h 35m

Las Vegas Harry Reid Intl

Tue 3/10

7:00 am-8:55 am

2 stops42h 55m

$756

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Wed 3/4

7:05 am-10:30 pm

2 stops23h 25m

Las Vegas Harry Reid Intl

Wed 3/11

7:00 am-8:55 am

2 stops42h 55m

$756

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Wed 3/4

7:00 pm-10:20 pm

2 stops35h 20m

Las Vegas Harry Reid Intl

Sat 3/14

1:59 pm-8:55 am

2 stops35h 56m

$756

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Fri 1/23

11:05 am-9:54 pm

1 stop18h 49m

Las Vegas Harry Reid Intl

Fri 2/6

8:55 pm-2:50 pm

1 stop33h 55m

$758

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Fri 3/6

11:05 am-10:38 pm

1 stop19h 33m

Las Vegas Harry Reid Intl

Fri 3/13

12:29 pm-5:55 pm

2 stops22h 26m

$758

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Sat 3/7

10:40 am-10:38 pm

1 stop19h 58m

Las Vegas Harry Reid Intl

Sat 3/14

12:30 pm-2:50 pm

2 stops19h 20m

$758

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Sat 3/7

10:40 am-8:04 pm

1 stop17h 24m

Las Vegas Harry Reid Intl

Tue 3/10

9:55 pm-9:45 pm

1 stop16h 50m

$758

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/27

Showing 1-10 of 30 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, February is the cheapest month in which you can book a flight from Portugal to Las Vegas (average of $496). Flying from Portugal to Las Vegas in December is currently the most expensive (average of $799). 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, American Airlines, and British Airways 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

7.9

Good

8,017 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Delta

7.9

Good

8,017 reviews

Delta

7.9

Good

8,017 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

American Airlines

7.2

Good

11,070 reviews

Delta

7.9

Good

8,017 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

British Airways

6.7

Okay

7,616 reviews

Delta

7.9

Good

8,017 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

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 Scandinavian Airlines can get you from Portugal to Las Vegas in just under 19h 45m. Your travel time can differ by up to 3h 50m. The distance from Portugal to Las Vegas is about 5352 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
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 ($331), British Airways ($562), and Aer Lingus ($594).
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, February is the cheapest month in which you can book a flight from Portugal to Las Vegas (average of $496). Flying from Portugal to Las Vegas in December is currently the most expensive (average of $799). 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

Kingman

Winchester

Primm

Sunrise Manor

Mesquite

Boulder City

Needles

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Top 3 airlines flying from Portugal to Las Vegas

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest$689	Average$846	FlexibilityNo cancel fee	On-time70%
Delta	Cheapest$714	Average$830	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$733	Average$974	FlexibilityNo cancel fee	On-time71%

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$398+ 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 1/20. 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

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 December 28, 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 December 28, 2025.

Find 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 December 28, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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, American Airlines, and British Airways 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?

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

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?

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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 3 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 December 28, 2025.