HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portugal

$247+ Cheap flights from Las Vegas (LAS) to Portugal

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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — LIS
Jan 27 — Feb 31
Tue 1/27
Tue 2/3
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Las Vegas to Portugal with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Las Vegas to Portugal

Cheapest flights from Las Vegas to Portugal
Explore the most affordable flight options available from Las Vegas to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.

This Finnair deal was found by Cheapflights users on 12/28. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2910:30 amLAS - LIS
1 stop14h 35mMultiple Airlines
Sun 1/411:05 amLIS - LAS
1 stop18h 53mMultiple Airlines
Deal found 12/28$1,226
This American Airlines deal was found by Cheapflights users on 12/26. 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.
Fri 12/2610:30 amLAS - LIS
1 stop14h 20mAmerican Airlines
Tue 1/66:30 amLIS - LAS
2 stops20h 20mAmerican Airlines
Deal found 12/26$1,269
This Gotogate deal was found by Cheapflights users on 12/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3011:30 pmLAS - LIS
1 stop25h 25mMultiple Airlines
Mon 1/57:55 pmLIS - LAS
2 stops32h 44mMultiple Airlines
Deal found 12/28$1,279
This Ovago deal was found by Cheapflights users on 12/26. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2610:30 amLAS - LIS
1 stop14h 20mBritish Airways
Tue 1/67:05 amLIS - LAS
1 stop19h 45mBritish Airways
Deal found 12/26$1,546
This American Airlines deal was found by Cheapflights users on 12/28. 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.
Mon 12/297:00 amLAS - LIS
2 stops18h 05mAmerican Airlines
Sun 1/411:05 amLIS - LAS
2 stops20h 34mAmerican Airlines
Deal found 12/28$1,709
This Priceline deal was found by Cheapflights users on 12/26. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3011:40 pmLAS - LIS
1 stop23h 15mMultiple Airlines
Thu 1/110:50 amLIS - LAS
1 stop15h 00mMultiple Airlines
Deal found 12/26$1,911

Find flight deals from Las Vegas to Portugal

Keep the following information in mind while searching for Las Vegas to Portugal flight deals. Data was last updated December 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$478
(Mytrip)

One-way from

$247
(oojo)

Popular in

May

Cheapest in

December

Average price

$705
Provider with most accurate pricing for Las Vegas Harry Reid Intl-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for Las Vegas Harry Reid Intl-Lisbon Humberto Delgado flights.
Search Deals
From Las Vegas Harry Reid Intl to Portugal
Search Deals
One-way flight from Las Vegas Harry Reid Intl to Portugal
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($178 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Las Vegas to Portugal 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 December 28, 2025.
Use the filters below to find and compare flights from Las Vegas to Portugal that are best for you.

Fly from

Las Vegas

Fly to

Portugal

Route

Depart

Return

Price

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Sat 2/7

9:00 am-8:55 am

1 stop15h 55m

Lisbon Humberto Delgado

Sun 2/15

3:25 pm-10:28 pm

2 stops39h 03m

$488

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Tue 4/14

2:15 pm-5:50 pm

2 stops19h 35m

Lisbon Humberto Delgado

Tue 4/21

5:00 am-6:35 pm

1 stop21h 35m

$490

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Thu 2/5

12:59 am-8:10 am

2 stops23h 11m

Lisbon Humberto Delgado

Sun 2/8

10:50 am-5:53 pm

2 stops39h 03m

$495

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Mon 2/9

7:00 am-8:00 am

1 stop17h 00m

Lisbon Humberto Delgado

Mon 2/16

5:00 am-8:37 pm

2 stops23h 37m

$497

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Sun 1/25

4:25 pm-8:10 am

2 stops31h 45m

Lisbon Humberto Delgado

Sun 2/1

3:25 pm-9:59 pm

2 stops38h 34m

$532

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Thu 4/16

7:00 am-8:00 am

1 stop17h 00m

Lisbon Humberto Delgado

Mon 5/11

7:45 pm-6:35 pm

1 stop30h 50m

$566

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Fri 5/1

7:00 am-8:00 am

1 stop17h 00m

Lisbon Humberto Delgado

Thu 5/14

7:45 pm-6:35 pm

1 stop30h 50m

$566

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Fri 5/1

9:27 am-8:00 am

1 stop14h 33m

Lisbon Humberto Delgado

Wed 5/13

5:00 am-6:35 pm

1 stop21h 35m

$566

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Sat 5/2

7:00 am-8:00 am

1 stop17h 00m

Lisbon Humberto Delgado

Tue 5/12

5:00 am-6:35 pm

1 stop21h 35m

$566

Las VegasFunchal

LAS - FNC

LASFNC

Las Vegas Harry Reid Intl

Mon 5/4

8:25 pm-9:35 am

1 stop29h 10m

Funchal Madeira

Wed 5/13

10:25 am-6:35 pm

1 stop16h 10m

$667

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/27

Showing 1-10 of 24 results
1
2
3

Best time to book a flight from Las Vegas to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from Las Vegas 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 Las Vegas to Portugal

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

Currently, February is the cheapest month in which you can book a flight from Las Vegas to Portugal (average of $500). Flying from Las Vegas to Portugal in July is currently the most expensive (average of $900). 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 Portugal

Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated December 28, 2025.
Read reviews from past customers who have flown Delta, Air Transat, and United Airlines from Las Vegas to Portugal. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,016 reviews

Entertainment

7.9

Overall

7.9

Food

7.3

Boarding

8.1

Crew

8.5

Comfort

7.9

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
8,016 reviews
Delta
7.9
Good
8,016 reviews

Entertainment

7.9

Overall

7.9

Food

7.3

Boarding

8.1

Crew

8.5

Comfort

7.9

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.
Air Transat
7.7
Good
485 reviews
Delta
7.9
Good
8,016 reviews

Entertainment

7.9

Overall

7.9

Food

7.3

Boarding

8.1

Crew

8.5

Comfort

7.9

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.
United Airlines
7.4
Good
9,114 reviews
Delta
7.9
Good
8,016 reviews

Entertainment

7.9

Overall

7.9

Food

7.3

Boarding

8.1

Crew

8.5

Comfort

7.9

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.
Air Canada
7.1
Good
10,562 reviews
Delta
7.9
Good
8,016 reviews

Entertainment

7.9

Overall

7.9

Food

7.3

Boarding

8.1

Crew

8.5

Comfort

7.9

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.
British Airways
6.7
Okay
7,616 reviews
Delta
7.9
Good
8,016 reviews

Entertainment

7.9

Overall

7.9

Food

7.3

Boarding

8.1

Crew

8.5

Comfort

7.9

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.

Related info for your journey

Find useful and relevant information for your journey from Las Vegas to Portugal. 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 from for flights from Las Vegas to Portugal?

    For a flight from Las Vegas to Portugal, you will be flying from Harry Reid Intl. Las Vegas Harry Reid Intl (LAS) is just 6.2 mi from the center of the city.

  • How long is the flight from Las Vegas to Portugal?

    Air Canada, Delta, and KLM can get you from Las Vegas to Portugal in just under 15h 01m. Your travel time can differ by up to 14h 09m. The distance between Las Vegas and Portugal is about 5437 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The cheapest airline one-way is Air Canada, with whom users have recently found tickets for as low as $354. However, be on the lookout for offers from United Airlines and Virgin Atlantic, as they are both options that can get you from Las Vegas to Portugal for a low price.

  • What are the most popular routes from Las Vegas to Portugal?

    While some choose either Las Vegas Harry Reid Intl - Faro or Las Vegas Harry Reid Intl - Funchal Madeira, Las Vegas Harry Reid Intl - Lisbon Humberto Delgado is the most popular route from Las Vegas to Portugal.

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

    Yes. In addition to deals on Las Vegas to Portugal flights, Cheapflights offers vacation packages that include both flights and hotel.

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Las Vegas to Portugal.

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

    Yes. Cheapflights offers flight deals from Las Vegas to Portugal 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 Las Vegas to Portugal?

    Currently, February is the cheapest month in which you can book a flight from Las Vegas to Portugal (average of $500). Flying from Las Vegas to Portugal in July is currently the most expensive (average of $900). 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

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 Las Vegas to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
Las Vegas to Heathrow flights
Las Vegas to Charles de Gaulle flights
Las Vegas to Gatwick flights
Las Vegas to Frankfurt flights
Las Vegas to London City flights
Las Vegas to Leonardo da Vinci/Fiumicino flights
Las Vegas to Istanbul flights
Las Vegas to Orly flights
Las Vegas to Malpensa flights
Las Vegas to Amsterdam flights
Las Vegas to Linate flights
Las Vegas to Dublin flights
Las Vegas to Vicenza flights
Las Vegas to Athens flights
Las Vegas to Sabiha Gokcen flights
Las Vegas to Lisbon flights
Las Vegas to Madrid flights
Las Vegas to Edinburgh flights
Reno to Heathrow flights
Las Vegas to Barcelona-El Prat flights
Las Vegas to Zurich flights
Las Vegas to Stansted flights
Las Vegas to Keflavik Intl flights
Las Vegas to Oslo Gardermoen flights
Reno to Athens flights
Reno to Amsterdam flights
Reno to Charles de Gaulle flights
Reno to Copenhagen flights
Las Vegas to Prague flights
Las Vegas to Florence flights
Reno to Leonardo da Vinci/Fiumicino flights
Reno to Vicenza flights
Las Vegas to Munich flights
Las Vegas to Valencia flights
Reno to Gatwick flights
Las Vegas to Bergen flights
Las Vegas to Frederic Chopin flights
Reno to Dublin flights
Las Vegas to Bruxelles-National flights
Las Vegas to Vienna flights
Las Vegas to Nice flights
Reno to Frankfurt flights
Reno to Munich flights
Las Vegas to Budapest flights
Las Vegas to Sofia flights
Las Vegas to Stavanger flights
Las Vegas to Duesseldorf Intl flights
Las Vegas to Manchester flights
Reno to London City flights
Las Vegas to Belgrade flights

Top 7 airlines flying from Las Vegas to Portugal

Discover the top 7 airlines that operate flights from Las Vegas to Portugal. 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 December 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$576Average$1,023FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$594Average$1,036FlexibilityNo cancel feeOn-time69%
Air TransatCheapest$613Average$716FlexibilityNo cancel feeOn-time50%
DeltaCheapest$641Average$1,161FlexibilityNo cancel feeOn-timeN/A
Porter AirlinesCheapest$645Average$675FlexibilityNo cancel feeOn-time52%
British AirwaysCheapest$648Average$948FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$903Average$1,169FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.