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 Aer Lingus ($612), Finnair ($687), and Turkish Airlines ($792).

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 $956. 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.

$942+ 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	$656 (Gotogate)
One-way from	$423 (Kiwi.com)
Popular in	July
Cheapest in	February
Average price	$944

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. 17% potential increase in price ($200 potential increase over avg. RT price).

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Cheapest flight prices on average. 5% potential price decrease ($46 potential savings vs. average RT price).

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Average for round-trip flights in March 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 March 28, 2025.

Mon 5/121:30 pmOPO - LAS

1 stop16h 28mAir Transat

Tue 5/274:45 pmLAS - OPO

1 stop35h 00mAir Transat

Deal found 3/26

$527

Sun 5/115:55 amLIS - LAS

3 stops33h 24mMultiple Airlines

Sun 5/181:32 pmLAS - LIS

3 stops35h 48mMultiple Airlines

Deal found 3/27

$701

Tue 4/87:30 pmLIS - LAS

1 stop26h 45mKLM

Mon 4/143:15 pmLAS - LIS

1 stop23h 35mKLM

Deal found 3/27

$711

Thu 5/225:00 amLIS - LAS

1 stop17h 15mDelta

Wed 6/49:30 amLAS - LIS

1 stop14h 30mDelta

Deal found 3/27

$713

Mon 4/286:35 amOPO - LAS

1 stop15h 40mDelta

Thu 5/810:10 amLAS - OPO

2 stops21h 25mDelta

Deal found 3/26

$730

Tue 4/810:00 amLIS - LAS

2 stops20h 25mVirgin Atlantic

Mon 4/1411:20 pmLAS - LIS

1 stop24h 40mVirgin Atlantic

Deal found 3/27

$734

Thu 5/225:40 amLIS - LAS

2 stops18h 30mAir France

Wed 6/411:40 amLAS - LIS

1 stop36h 20mAir France

Deal found 3/27

$739

Wed 4/3012:20 pmOPO - LAS

2 stops38h 30mAmerican Airlines

Wed 5/76:00 amLAS - OPO

2 stops17h 35mAmerican Airlines

Deal found 3/26

$752

Mon 5/126:30 amOPO - LAS

2 stops19h 09mKLM

Tue 5/274:05 pmLAS - OPO

1 stop19h 10mKLM

Deal found 3/26

$766

Mon 5/1212:20 pmOPO - LAS

2 stops30h 27mBritish Airways

Tue 5/279:49 amLAS - OPO

2 stops25h 41mBritish Airways

Deal found 3/27

$767

Thu 10/96:00 amOPO - LAS

2 stops25h 23mAir Canada

Wed 10/157:30 amLAS - OPO

2 stops27h 00mAir Canada

Deal found 3/27

$786

Thu 5/228:25 amLIS - LAS

2 stops22h 59mAmerican Airlines

Wed 6/410:05 pmLAS - LIS

1 stop17h 05mAmerican Airlines

Deal found 3/27

$793

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 March 28, 2025.

Mon 5/121:30 pmOPO - LAS

1 stop27h 23mAir Transat

Tue 5/274:45 pmLAS - OPO

1 stop35h 00mAir Transat

Deal found 3/27

$656

Sun 5/115:55 amLIS - LAS

3 stops33h 24mMultiple Airlines

Sun 5/181:32 pmLAS - LIS

3 stops35h 48mMultiple Airlines

Deal found 3/27

$701

Tue 4/87:30 pmLIS - LAS

1 stop26h 45mKLM

Mon 4/143:15 pmLAS - LIS

1 stop23h 35mKLM

Deal found 3/27

$711

Thu 5/225:00 amLIS - LAS

1 stop17h 15mDelta

Wed 6/49:30 amLAS - LIS

1 stop14h 30mDelta

Deal found 3/27

$713

Tue 4/810:00 amLIS - LAS

2 stops20h 25mVirgin Atlantic

Mon 4/1411:20 pmLAS - LIS

1 stop24h 40mVirgin Atlantic

Deal found 3/27

$734

Thu 5/225:40 amLIS - LAS

2 stops18h 30mAir France

Wed 6/411:40 amLAS - LIS

1 stop36h 20mAir France

Deal found 3/27

$739

Mon 5/1212:20 pmOPO - LAS

2 stops30h 27mBritish Airways

Tue 5/279:49 amLAS - OPO

2 stops25h 41mBritish Airways

Deal found 3/27

$767

Thu 5/228:25 amLIS - LAS

2 stops22h 59mAmerican Airlines

Wed 6/410:05 pmLAS - LIS

1 stop17h 05mAmerican Airlines

Deal found 3/27

$793

Tue 5/611:25 amLIS - LAS

3 stops36h 32mUnited Airlines

Wed 5/146:00 amLAS - LIS

2 stops18h 20mUnited Airlines

Deal found 3/27

$822

Wed 4/166:45 amLIS - LAS

2 stops19h 48mLufthansa

Sun 4/279:10 pmLAS - LIS

1 stop16h 55mLufthansa

Deal found 3/27

$828

Thu 5/155:55 amLIS - LAS

1 stop18h 40mSWISS

Mon 5/197:20 pmLAS - LIS

1 stop20h 00mSWISS

Deal found 3/26

$839

Thu 5/227:20 amLIS - LAS

2 stops22h 40mFinnair

Wed 6/412:50 pmLAS - LIS

2 stops26h 20mFinnair

Deal found 3/27

$903

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

Sun 4/612:35 pmOPO - LAS

1 stop16h 49mUnited Airlines

Sat 4/1210:15 amLAS - OPO

1 stop15h 30mUnited Airlines

Deal found 3/26

$2,083

Mon 4/74:20 pmOPO - LAS

2 stops37h 02mAir France

Sat 4/125:35 pmLAS - OPO

2 stops37h 55mAir France

Deal found 3/26

$943

Tue 4/87:30 pmLIS - LAS

1 stop26h 45mKLM

Mon 4/143:15 pmLAS - LIS

1 stop23h 35mKLM

Deal found 3/27

$711

Tue 4/810:00 amLIS - LAS

2 stops20h 25mVirgin Atlantic

Mon 4/1411:20 pmLAS - LIS

1 stop24h 40mVirgin Atlantic

Deal found 3/27

$734

Wed 4/166:45 amLIS - LAS

2 stops19h 48mLufthansa

Sun 4/279:10 pmLAS - LIS

1 stop16h 55mLufthansa

Deal found 3/27

$828

Sun 4/205:00 amLIS - LAS

2 stops20h 39mDelta

Mon 5/512:10 pmLAS - LIS

2 stops18h 40mDelta

Deal found 3/27

$715

Sun 4/205:55 amLIS - LAS

1 stop38h 55mMultiple Airlines

Mon 5/59:10 pmLAS - LIS

1 stop16h 55mMultiple Airlines

Deal found 3/27

$820

Sun 4/202:30 pmLIS - LAS

2 stops30h 20mSWISS

Mon 5/52:20 pmLAS - LIS

1 stop16h 25mSWISS

Deal found 3/27

$895

Sun 4/206:40 amLIS - LAS

1 stop17h 40mUnited Airlines

Mon 5/510:13 amLAS - LIS

1 stop14h 07mUnited Airlines

Deal found 3/27

$967

Sun 4/276:00 amOPO - LAS

1 stop18h 20mLufthansa

Sun 5/119:10 pmLAS - OPO

1 stop17h 40mLufthansa

Deal found 3/26

$833

Mon 4/286:35 amOPO - LAS

1 stop15h 40mDelta

Thu 5/810:10 amLAS - OPO

2 stops21h 25mDelta

Deal found 3/26

$730

Mon 4/286:35 amOPO - LAS

1 stop15h 40mMultiple Airlines

Sat 5/101:57 pmLAS - OPO

2 stops17h 33mMultiple Airlines

Deal found 3/26

$801

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 March 28, 2025.

Wed 4/28:55 pmLIS - LAS

3 stops52h 49mMultiple Airlines

Deal found 3/26

$423

Sat 8/1610:00 pmOPO - LAS

3 stops42h 53mMultiple Airlines

Deal found 3/27

$465

Tue 5/1310:15 pmLIS - LAS

2 stops24h 55mAer Lingus

Deal found 3/27

$612

Tue 5/137:15 amLIS - LAS

1 stop20h 45mFinnair

Deal found 3/27

$687

Wed 7/234:30 pmLIS - LAS

2 stops48h 15mTurkish Airlines

Deal found 3/27

$792

Sat 8/161:30 pmOPO - LAS

1 stop16h 28mAir Transat

Deal found 3/27

$829

Tue 5/1311:25 amLIS - LAS

3 stops36h 32mUnited Airlines

Deal found 3/27

$916

Wed 7/235:00 amLIS - LAS

1 stop21h 35mDelta

Deal found 3/27

$978

Sun 8/175:00 amOPO - LAS

1 stop21h 35mDelta

Deal found 3/27

$986

Sat 8/162:50 amOPO - LAS

2 stops45h 45mSWISS

Deal found 3/27

$1,115

Sun 7/136:40 amLIS - LAS

1 stop17h 40mLufthansa

Deal found 3/27

$2,381

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

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Mon 5/12

1:30 pm-9:58 pm

1 stop16h 28m

Las Vegas Harry Reid Intl

Tue 5/27

4:45 pm-11:45 am

1 stop35h 00m

$527

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Sun 5/11

5:55 am-7:19 am

3 stops33h 24m

Las Vegas Harry Reid Intl

Sun 5/18

1:32 pm-9:20 am

3 stops35h 48m

$701

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Tue 4/8

7:30 pm-2:15 pm

1 stop26h 45m

Las Vegas Harry Reid Intl

Mon 4/14

3:15 pm-10:50 pm

1 stop23h 35m

$711

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

9:30 am-8:00 am

1 stop14h 30m

$713

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Mon 4/28

6:35 am-2:15 pm

1 stop15h 40m

Las Vegas Harry Reid Intl

Thu 5/8

10:10 am-3:35 pm

2 stops21h 25m

$730

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Tue 4/8

10:00 am-10:25 pm

2 stops20h 25m

Las Vegas Harry Reid Intl

Mon 4/14

11:20 pm-8:00 am

1 stop24h 40m

$734

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Thu 5/22

5:40 am-4:10 pm

2 stops18h 30m

Las Vegas Harry Reid Intl

Wed 6/4

11:40 am-8:00 am

1 stop36h 20m

$739

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Wed 4/30

12:20 pm-6:50 pm

2 stops38h 30m

Las Vegas Harry Reid Intl

Wed 5/7

6:00 am-7:35 am

2 stops17h 35m

$752

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Mon 5/12

6:30 am-5:39 pm

2 stops19h 09m

Las Vegas Harry Reid Intl

Tue 5/27

4:05 pm-7:15 pm

1 stop19h 10m

$766

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Mon 5/12

12:20 pm-10:47 am

2 stops30h 27m

Las Vegas Harry Reid Intl

Tue 5/27

9:49 am-7:30 pm

2 stops25h 41m

$767

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 40 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

7,896 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

7,896 reviews

Delta

8.0

Very good

7,896 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

1,321 reviews

Delta

8.0

Very good

7,896 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

381 reviews

Delta

8.0

Very good

7,896 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

Finnair

7.6

Good

1,267 reviews

Delta

8.0

Very good

7,896 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

1,570 reviews

Delta

8.0

Very good

7,896 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 Aer Lingus ($612), Finnair ($687), and Turkish Airlines ($792).
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

Kingman

Primm

Mesquite

Needles

Mount Charleston

Pahrump

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$763	Average$830	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$796	Average$984	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$806	Average$810	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$830	Average$1,113	FlexibilityNo cancel fee	On-time71%

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$423+ 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 4/2. 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 March 28, 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 March 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 March 28, 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 March 28, 2025.