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$343+ 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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — LIS
Dec 14 — Dec 211
Sun 12/14
Sun 12/21
1 adult, Economy
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Find 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 November 14, 2025.

This Orbitz deal was found by Cheapflights users on 11/12. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:15 amLAS - LIS
2 stops42h 40mMultiple Airlines
Sat 3/216:10 amLIS - LAS
2 stops25h 48mMultiple Airlines
Deal found 11/12$497
This Air France deal was found by Cheapflights users on 11/12. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1212:01 pmLAS - LIS
1 stop12h 59mAir France
Wed 12/245:30 amLIS - LAS
2 stops18h 23mAir France
Deal found 11/12$502
This Delta deal was found by Cheapflights users on 11/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2912:35 amLAS - LIS
2 stops23h 25mDelta
Wed 3/185:30 amLIS - LAS
2 stops23h 35mDelta
Deal found 11/12$506
This Delta deal was found by Cheapflights users on 11/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/299:50 pmLAS - LIS
1 stop26h 10mDelta
Wed 3/185:30 amLIS - LAS
2 stops23h 35mDelta
Deal found 11/12$507
This KAYAK deal was found by Cheapflights users on 11/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/241:50 pmLAS - LIS
2 stops25h 40mLufthansa
Tue 3/245:00 amLIS - LAS
2 stops20h 40mLufthansa
Deal found 11/12$529
This KAYAK deal was found by Cheapflights users on 11/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/241:50 pmLAS - LIS
2 stops25h 40mLufthansa
Fri 3/206:10 amLIS - LAS
2 stops43h 30mLufthansa
Deal found 11/12$532
This KAYAK deal was found by Cheapflights users on 11/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/241:50 pmLAS - LIS
2 stops25h 40mLufthansa
Mon 3/232:10 pmLIS - LAS
2 stops41h 48mLufthansa
Deal found 11/12$542
This Cheapflightsfares deal was found by Cheapflights users on 11/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:55 amLAS - LIS
2 stops17h 25mLufthansa
Wed 12/105:00 amLIS - LAS
2 stops23h 01mLufthansa
Deal found 11/13$549
This Mytrip deal was found by Cheapflights users on 11/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:10 pmLAS - LIS
1 stop12h 45mMultiple Airlines
Wed 12/105:00 amLIS - LAS
2 stops27h 45mMultiple Airlines
Deal found 11/13$550
This United deal was found by Cheapflights users on 11/12. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/611:53 pmLAS - LIS
1 stop26h 22mMultiple Airlines
Wed 12/1711:00 amLIS - LAS
1 stop32h 20mMultiple Airlines
Deal found 11/12$552
This Ovago deal was found by Cheapflights users on 11/11. 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.
Sun 12/78:55 pmLAS - FAO
1 stop29h 35mBritish Airways
Mon 12/225:50 pmFAO - LAS
2 stops30h 08mBritish Airways
Deal found 11/11$966
This Gotogate deal was found by Cheapflights users on 11/11. 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.
Sun 12/711:30 pmLAS - FAO
2 stops32h 15mMultiple Airlines
Mon 12/224:35 pmFAO - LAS
2 stops51h 30mMultiple Airlines
Deal found 11/11$1,046

Cheap 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 November 14, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$464
(Gotogate)

One-way from

$343
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$739
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
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 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 November 14, 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 1/24

9:00 am-8:55 am

1 stop15h 55m

Lisbon Humberto Delgado

Tue 2/3

3:55 pm-12:05 pm

1 stop28h 10m

$487

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Fri 1/23

12:59 am-8:55 am

2 stops23h 56m

Lisbon Humberto Delgado

Tue 2/3

5:00 am-7:02 pm

2 stops22h 02m

$492

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Sat 3/7

7:00 am-9:05 am

1 stop18h 05m

Lisbon Humberto Delgado

Fri 3/13

4:10 pm-6:40 pm

2 stops33h 30m

$495

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Sat 2/7

7:02 am-8:00 am

1 stop16h 58m

Lisbon Humberto Delgado

Sun 2/15

5:00 am-8:54 pm

2 stops23h 54m

$496

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Sat 2/7

7:02 am-8:00 am

1 stop16h 58m

Lisbon Humberto Delgado

Sun 2/15

10:00 am-10:30 pm

1 stop20h 30m

$506

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Mon 12/29

12:35 am-8:00 am

2 stops23h 25m

Lisbon Humberto Delgado

Thu 3/19

5:30 am-12:13 am

2 stops25h 43m

$506

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Fri 2/6

12:30 am-8:55 am

2 stops24h 25m

Lisbon Humberto Delgado

Sun 2/15

10:50 am-9:40 am

2 stops30h 50m

$512

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Sun 12/14

7:05 am-9:05 am

1 stop18h 00m

Lisbon Humberto Delgado

Wed 12/24

11:05 am-8:20 pm

2 stops17h 15m

$590

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Mon 12/1

10:00 am-8:10 am

1 stop14h 10m

Lisbon Humberto Delgado

Sat 12/13

11:20 am-6:29 pm

2 stops39h 09m

$594

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Sat 3/7

11:35 pm-10:15 am

1 stop26h 40m

Lisbon Humberto Delgado

Sat 3/14

12:20 pm-3:40 pm

1 stop34h 20m

$595

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/13

Showing 1-10 of 42 results
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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, October is the cheapest month in which you can book a flight from Las Vegas to Portugal (average of $554). 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.

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

Find hourly flight availability from Las Vegas to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 14, 2025.

A simple way to save on the total cost of your ticket is to fly from Las Vegas to Portugal in the evening. If you’re flexible enough to do this you can expect to save up to 22% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Las Vegas to Portugal?

Use this chart to determine the cheapest time to fly round-trip from Las Vegas to Portugal. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Las Vegas to Portugal flight should consider departing on Sunday evenings when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 November 14, 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
8,011 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

7.9

Comfort

7.9

Boarding

8.1

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
8,011 reviews
Delta
7.9
Good
8,011 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

7.9

Comfort

7.9

Boarding

8.1

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
7.8
Good
473 reviews
Delta
7.9
Good
8,011 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

7.9

Comfort

7.9

Boarding

8.1

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
9,017 reviews
Delta
7.9
Good
8,011 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

7.9

Comfort

7.9

Boarding

8.1

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
10,450 reviews
Delta
7.9
Good
8,011 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

7.9

Comfort

7.9

Boarding

8.1

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
7,522 reviews
Delta
7.9
Good
8,011 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

7.9

Comfort

7.9

Boarding

8.1

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?

    United Airlines, Delta, and KLM can get you from Las Vegas to Portugal in just under 16h 58m. Your travel time can differ by up to 6h 58m. 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 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, October is the cheapest month in which you can book a flight from Las Vegas to Portugal (average of $554). 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

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Alternative routes for Las Vegas to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Las Vegas to Portugal

Discover the top 8 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 November 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$576Average$1,026FlexibilityNo cancel feeOn-time67%
KLMCheapest$597Average$999FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$607Average$1,045FlexibilityNo cancel feeOn-time69%
Air TransatCheapest$613Average$716FlexibilityNo cancel feeOn-time50%
DeltaCheapest$641Average$1,188FlexibilityNo cancel feeOn-timeN/A
Porter AirlinesCheapest$645Average$675FlexibilityNo cancel feeOn-time52%
British AirwaysCheapest$665Average$1,044FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$774Average$1,170FlexibilityNo cancel feeOn-time71%

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