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 ($538), Aer Lingus ($568), and British Airways ($764).

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 month to fly from Portugal to Las Vegas?

February can be a great time to fly to Las Vegas from Portugal with a flight ticket averaging about $945. Cheapflights users have found deals in the month of February for as cheap as $496. The most expensive prices can be found in the month of July.

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.

$914+ Flights from Portugal to Las Vegas - Compare & Save Big

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Cheap flight deals from Portugal to Las Vegas

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$698 (Gotogate)
One-way from	$538 (Cheapflightsfares)
Popular in	July
Cheapest in	February
Average price	$943

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. 13% potential increase in price ($149 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).

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Average for round-trip flights in May 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 May 1, 2025.

Thu 5/228:50 amLIS - LAS

1 stop21h 08mAir Transat

Wed 6/49:55 amLAS - LIS

1 stop12h 55mAir Transat

Deal found 4/30

$698

Thu 7/31:30 pmOPO - LAS

1 stop16h 28mAir Transat

Sat 7/1210:55 pmLAS - OPO

1 stop28h 50mAir Transat

Deal found 4/30

$701

Thu 5/225:00 amLIS - LAS

1 stop17h 15mDelta

Wed 6/41:57 pmLAS - LIS

2 stops19h 58mDelta

Deal found 4/30

$746

Fri 11/711:05 amLIS - LAS

1 stop18h 09mMultiple Airlines

Mon 11/1011:31 amLAS - LIS

2 stops40h 34mMultiple Airlines

Deal found 4/30

$749

Mon 6/237:15 amLIS - LAS

1 stop20h 40mBritish Airways

Tue 7/810:05 pmLAS - LIS

1 stop16h 55mBritish Airways

Deal found 4/30

$758

Mon 5/126:30 amOPO - LAS

1 stop14h 55mDelta

Tue 5/279:37 amLAS - OPO

2 stops21h 53mDelta

Deal found 4/30

$760

Thu 6/56:30 amOPO - LAS

2 stops19h 09mKLM

Wed 6/118:25 pmLAS - OPO

1 stop15h 10mKLM

Deal found 4/30

$772

Wed 5/288:20 pmOPO - LAS

1 stop25h 00mBritish Airways

Wed 6/42:30 pmLAS - OPO

2 stops17h 25mBritish Airways

Deal found 4/30

$778

Tue 10/712:30 pmLIS - LAS

2 stops18h 29mAmerican Airlines

Fri 10/2411:54 pmLAS - LIS

1 stop26h 11mAmerican Airlines

Deal found 4/30

$784

Thu 6/56:00 amOPO - LAS

3 stops26h 25mMultiple Airlines

Wed 6/1111:02 pmLAS - OPO

3 stops35h 28mMultiple Airlines

Deal found 4/30

$798

Sat 11/155:00 amLIS - LAS

2 stops25h 22mAir Canada

Thu 11/2012:00 pmLAS - LIS

1 stop13h 20mAir Canada

Deal found 4/30

$841

Mon 5/124:20 pmOPO - LAS

2 stops31h 25mAir France

Tue 5/279:37 amLAS - OPO

2 stops21h 53mAir France

Deal found 4/30

$842

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 May 1, 2025.

Thu 5/228:50 amLIS - LAS

1 stop21h 08mAir Transat

Wed 6/49:55 amLAS - LIS

1 stop12h 55mAir Transat

Deal found 4/30

$698

Thu 5/225:00 amLIS - LAS

1 stop17h 15mDelta

Wed 6/41:57 pmLAS - LIS

2 stops19h 58mDelta

Deal found 4/30

$746

Mon 6/237:15 amLIS - LAS

1 stop20h 40mBritish Airways

Tue 7/810:05 pmLAS - LIS

1 stop16h 55mBritish Airways

Deal found 4/30

$758

Thu 6/56:30 amOPO - LAS

2 stops19h 09mKLM

Wed 6/118:25 pmLAS - OPO

1 stop15h 10mKLM

Deal found 4/30

$772

Tue 10/712:30 pmLIS - LAS

2 stops18h 29mAmerican Airlines

Fri 10/2411:54 pmLAS - LIS

1 stop26h 11mAmerican Airlines

Deal found 4/30

$784

Mon 6/238:15 amLIS - LAS

2 stops21h 43mMultiple Airlines

Tue 7/89:17 pmLAS - LIS

1 stop24h 13mMultiple Airlines

Deal found 4/30

$789

Mon 5/124:20 pmOPO - LAS

2 stops31h 25mAir France

Tue 5/279:37 amLAS - OPO

2 stops21h 53mAir France

Deal found 4/30

$842

Thu 6/512:10 pmOPO - LAS

2 stops17h 50mUnited Airlines

Tue 6/1012:59 amLAS - OPO

2 stops22h 01mUnited Airlines

Deal found 4/30

$854

Thu 5/155:55 amLIS - LAS

1 stop18h 40mSWISS

Mon 5/197:20 pmLAS - LIS

1 stop20h 00mSWISS

Deal found 4/30

$883

Tue 6/38:45 pmLIS - LAS

2 stops31h 00mIberia

Wed 6/2510:00 amLAS - LIS

1 stop15h 05mIberia

Deal found 4/30

$887

Fri 7/256:15 amLIS - LAS

2 stops26h 30mLufthansa

Tue 8/51:29 pmLAS - LIS

2 stops37h 01mLufthansa

Deal found 4/30

$1,228

Sun 7/2710:20 pmLIS - LAS

2 stops27h 56mIcelandair

Sat 8/97:45 pmLAS - LIS

2 stops17h 35mIcelandair

Deal found 4/30

$1,263

Last-minute flights from Portugal to Las Vegas
Discover last-minute flight deals from Portugal to Las Vegas. Data last updated May 1, 2025 and is based on user searches.

Tue 5/67:10 pmLIS - LAS

2 stops36h 11mMultiple Airlines

Wed 5/148:35 amLAS - LIS

2 stops30h 45mMultiple Airlines

Deal found 4/30

$875

Tue 5/65:00 amLIS - LAS

1 stop17h 15mDelta

Wed 5/141:59 pmLAS - LIS

2 stops19h 56mDelta

Deal found 4/30

$896

Tue 5/63:35 pmLIS - LAS

1 stop29h 50mKLM

Wed 5/143:15 pmLAS - LIS

1 stop35h 40mKLM

Deal found 4/30

$911

Tue 5/611:05 amLIS - LAS

1 stop30h 39mAmerican Airlines

Tue 5/1312:40 amLAS - LIS

1 stop24h 25mAmerican Airlines

Deal found 4/30

$1,194

Mon 5/126:30 amOPO - LAS

1 stop14h 55mDelta

Tue 5/279:37 amLAS - OPO

2 stops21h 53mDelta

Deal found 4/30

$760

Mon 5/124:20 pmOPO - LAS

2 stops31h 25mAir France

Tue 5/279:37 amLAS - OPO

2 stops21h 53mAir France

Deal found 4/30

$842

Mon 5/1212:35 pmOPO - LAS

2 stops19h 24mUnited Airlines

Tue 5/279:59 amLAS - OPO

1 stop15h 46mUnited Airlines

Deal found 4/30

$865

Wed 5/145:05 amLIS - LAS

2 stops21h 59mUnited Airlines

Wed 5/2111:35 pmLAS - LIS

2 stops27h 30mUnited Airlines

Deal found 4/30

$991

Thu 5/1511:05 amLIS - LAS

1 stop20h 19mAmerican Airlines

Sun 5/1812:40 amLAS - LIS

1 stop24h 25mAmerican Airlines

Deal found 4/30

$804

Thu 5/155:55 amLIS - LAS

1 stop18h 40mSWISS

Mon 5/197:20 pmLAS - LIS

1 stop20h 00mSWISS

Deal found 5/1

$900

Thu 5/228:50 amLIS - LAS

1 stop21h 08mAir Transat

Wed 6/49:55 amLAS - LIS

1 stop12h 55mAir Transat

Deal found 4/30

$698

Thu 5/225:00 amLIS - LAS

1 stop17h 15mDelta

Wed 6/41:57 pmLAS - LIS

2 stops19h 58mDelta

Deal found 4/30

$746

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 May 1, 2025.

Thu 5/228:50 amLIS - LAS

1 stop21h 08mAir Transat

Deal found 4/30

$538

Tue 5/1310:15 pmLIS - LAS

2 stops29h 45mAer Lingus

Deal found 4/30

$568

Fri 8/89:45 pmLIS - LAS

2 stops32h 13mMultiple Airlines

Deal found 4/30

$587

Wed 9/1011:00 amLIS - LAS

1 stop17h 00mBritish Airways

Deal found 4/29

$764

Wed 7/234:50 pmOPO - LAS

2 stops28h 38mTurkish Airlines

Deal found 4/30

$900

Wed 7/2311:05 amLIS - LAS

1 stop20h 39mIberia

Deal found 4/30

$934

Wed 9/1012:35 pmOPO - LAS

1 stop16h 11mUnited Airlines

Deal found 4/29

$965

Tue 5/1311:25 amLIS - LAS

3 stops34h 24mUnited Airlines

Deal found 4/30

$969

Sat 8/165:00 amLIS - LAS

1 stop21h 35mDelta

Deal found 4/30

$1,032

Wed 7/238:20 pmOPO - LAS

1 stop25h 00mBritish Airways

Deal found 4/30

$1,036

Sat 6/1410:00 amLIS - LAS

1 stop20h 14mVirgin Atlantic

Deal found 4/30

$1,665

Sat 8/167:15 amLIS - LAS

3 stops24h 30mScandinavian Airlines

Deal found 4/30

$2,532

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

Thu 5/22

8:50 am-9:58 pm

1 stop21h 08m

Las Vegas Harry Reid Intl

Wed 6/4

9:55 am-6:50 am

1 stop12h 55m

$698

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Thu 7/3

1:30 pm-9:58 pm

1 stop16h 28m

Las Vegas Harry Reid Intl

Sat 7/12

10:55 pm-11:45 am

1 stop28h 50m

$701

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Thu 5/22

5:00 am-2:15 pm

1 stop17h 15m

Las Vegas Harry Reid Intl

Wed 6/4

1:57 pm-5:55 pm

2 stops19h 58m

$746

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Mon 6/23

7:15 am-7:55 pm

1 stop20h 40m

Las Vegas Harry Reid Intl

Tue 7/8

10:05 pm-11:00 pm

1 stop16h 55m

$758

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Mon 5/12

6:30 am-1:25 pm

1 stop14h 55m

Las Vegas Harry Reid Intl

Tue 5/27

9:37 am-3:30 pm

2 stops21h 53m

$760

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Thu 6/5

6:30 am-5:39 pm

2 stops19h 09m

Las Vegas Harry Reid Intl

Wed 6/11

8:25 pm-7:35 pm

1 stop15h 10m

$772

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Wed 5/28

8:20 pm-1:20 pm

1 stop25h 00m

Las Vegas Harry Reid Intl

Wed 6/4

2:30 pm-3:55 pm

2 stops17h 25m

$778

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Tue 10/7

12:30 pm-10:59 pm

2 stops18h 29m

Las Vegas Harry Reid Intl

Fri 10/24

11:54 pm-10:05 am

1 stop26h 11m

$784

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Mon 6/23

8:15 am-9:58 pm

2 stops21h 43m

Las Vegas Harry Reid Intl

Tue 7/8

9:17 pm-5:30 am

1 stop24h 13m

$789

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Thu 6/5

6:00 am-12:25 am

3 stops26h 25m

Las Vegas Harry Reid Intl

Wed 6/11

11:02 pm-6:30 pm

3 stops35h 28m

$798

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 32 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.

Rainfall in Las Vegas 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

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 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

7,934 reviews

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

7,934 reviews

Delta

8.0

Very good

7,934 reviews

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

1,334 reviews

Delta

8.0

Very good

7,934 reviews

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

385 reviews

Delta

8.0

Very good

7,934 reviews

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

1,588 reviews

Delta

8.0

Very good

7,934 reviews

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 France

7.4

Good

1,446 reviews

Delta

8.0

Very good

7,934 reviews

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

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 ($538), Aer Lingus ($568), and British Airways ($764).
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

Henderson

Paradise

North Las Vegas

Sunrise Manor

Winchester

Primm

Mount Charleston

Kingman

Mesquite

Pahrump

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
Delta	Cheapest$729	Average$810	FlexibilityNo cancel fee	On-timeN/A
British Airways	Cheapest$763	Average$823	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$796	Average$984	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$830	Average$1,114	FlexibilityNo cancel fee	On-time71%

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$538+ 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 5/22. 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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 May 1, 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 May 1, 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 May 1, 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?

Rainfall in Las Vegas by month

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

Temperature in Las Vegas by month

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

Reviews of airlines servicing Las Vegas

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.

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?

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 Portugal?

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 May 1, 2025.