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$293+ 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 7/19. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — LIS
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
1 adult, Economy
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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 April 15, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$663
(Porter Airlines)

One-way from

$293
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$1,049
Provider with most accurate pricing for Las Vegas Harry Reid Intl-Lisbon Humberto Delgado flight deals.
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Provider most trusted by Cheapflights users for Las Vegas Harry Reid Intl-Lisbon Humberto Delgado flights.
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From Las Vegas Harry Reid Intl to Portugal
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One-way flight from Las Vegas Harry Reid Intl to Portugal
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High demand for flights, 7% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 April 15, 2025.

This Porter Airlines deal was found by Cheapflights users on 4/13. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/109:55 amLAS - LIS
1 stop15h 40mPorter Airlines
Tue 9/3011:35 amLIS - LAS
1 stop29h 18mPorter Airlines
Deal found 4/13$663
This Mytrip deal was found by Cheapflights users on 4/14. 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.
Tue 6/31:25 pmLAS - LIS
3 stops32h 30mMultiple Airlines
Mon 6/95:45 pmLIS - LAS
2 stops34h 36mMultiple Airlines
Deal found 4/14$665
This Mytrip deal was found by Cheapflights users on 4/14. 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.
Sat 5/244:45 pmLAS - LIS
1 stop32h 50mAir Transat
Mon 6/911:35 amLIS - LAS
1 stop29h 18mAir Transat
Deal found 4/14$690
This Gurufare deal was found by Cheapflights users on 4/15. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/262:14 amLAS - LIS
1 stop22h 51mBritish Airways
Sat 1/1010:30 amLIS - LAS
1 stop21h 04mBritish Airways
Deal found 4/15$738
This United deal was found by Cheapflights users on 4/14. 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.
Mon 9/2211:55 pmLAS - LIS
2 stops25h 25mUnited Airlines
Tue 10/711:25 amLIS - LAS
2 stops33h 01mUnited Airlines
Deal found 4/14$791
This Air Canada deal was found by Cheapflights users on 4/14. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2211:25 amLAS - LIS
1 stop13h 55mAir Canada
Tue 10/711:25 amLIS - LAS
1 stop18h 47mAir Canada
Deal found 4/14$799
This SWISS deal was found by Cheapflights users on 4/14. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/122:20 pmLAS - LIS
1 stop16h 25mSWISS
Mon 5/195:55 amLIS - LAS
2 stops48h 17mSWISS
Deal found 4/14$830
This Mytrip deal was found by Cheapflights users on 4/14. 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.
Mon 5/55:00 amLAS - FNC
3 stops29h 20mMultiple Airlines
Tue 5/137:15 pmFNC - LAS
3 stops36h 06mMultiple Airlines
Deal found 4/14$881
This KLM deal was found by Cheapflights users on 4/15. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/14:05 pmLAS - LIS
1 stop22h 45mKLM
Sat 5/1010:00 amLIS - LAS
1 stop22h 18mKLM
Deal found 4/15$949
This KAYAK deal was found by Cheapflights users on 4/14. 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.
Sat 9/67:05 amLAS - LIS
2 stops41h 55mScandinavian Airlines
Sat 9/137:15 amLIS - LAS
2 stops23h 32mScandinavian Airlines
Deal found 4/14$1,002
This American Airlines deal was found by Cheapflights users on 4/14. 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.
Sun 5/1112:40 amLAS - LIS
1 stop24h 25mAmerican Airlines
Mon 5/1911:05 amLIS - LAS
2 stops19h 48mAmerican Airlines
Deal found 4/14$1,015
This Gurufare deal was found by Cheapflights users on 4/15. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/57:00 amLAS - FNC
2 stops23h 40mLufthansa
Tue 5/133:35 pmFNC - LAS
2 stops34h 16mLufthansa
Deal found 4/15$1,059

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 April 15, 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

Wed 9/10

9:55 am-9:35 am

1 stop15h 40m

Lisbon Humberto Delgado

Tue 9/30

11:35 am-8:53 am

1 stop29h 18m

$663

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Tue 6/3

1:25 pm-5:55 am

3 stops32h 30m

Lisbon Humberto Delgado

Mon 6/9

5:45 pm-8:21 pm

2 stops34h 36m

$665

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Sat 5/24

4:45 pm-9:35 am

1 stop32h 50m

Lisbon Humberto Delgado

Mon 6/9

11:35 am-8:53 am

1 stop29h 18m

$690

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Mon 9/22

8:30 am-10:30 am

1 stop18h 00m

Lisbon Humberto Delgado

Tue 10/7

11:25 am-12:26 pm

2 stops33h 01m

$791

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Mon 9/22

11:25 am-9:20 am

1 stop13h 55m

Lisbon Humberto Delgado

Tue 10/7

11:25 am-10:12 pm

1 stop18h 47m

$799

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Mon 5/12

2:20 pm-2:45 pm

1 stop16h 25m

Lisbon Humberto Delgado

Mon 5/19

5:55 am-10:12 pm

2 stops48h 17m

$830

Las VegasFunchal

LAS - FNC

LASFNC

Las Vegas Harry Reid Intl

Mon 5/5

5:00 am-6:20 pm

3 stops29h 20m

Funchal Madeira

Tue 5/13

7:15 pm-11:21 pm

3 stops36h 06m

$881

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Tue 7/15

9:57 am-9:05 am

1 stop15h 08m

Lisbon Humberto Delgado

Wed 8/6

4:25 pm-1:20 pm

1 stop28h 55m

$931

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Thu 5/1

4:05 pm-10:50 pm

1 stop22h 45m

Lisbon Humberto Delgado

Sat 5/10

10:00 am-12:18 am

1 stop22h 18m

$949

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Sat 9/6

7:05 am-9:00 am

2 stops41h 55m

Lisbon Humberto Delgado

Sat 9/13

7:15 am-10:47 pm

2 stops23h 32m

$1,002

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 31 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, January is the cheapest month in which you can book a flight from Las Vegas to Portugal (average of $612). Flying from Las Vegas to Portugal in June is currently the most expensive (average of $1,203). 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 April 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Las Vegas to Portugal as you normally would.

Rainfall in Portugal by month

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

In terms of precipitation, rainfall in Portugal ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Portugal when rainfall is around 0.2 in.

Temperature in Portugal by month

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

If weather is an important factor for your trip to Portugal, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 April 15, 2025.
Get a feel of what it's like to fly with Porter Airlines, KLM and Air Transat from Las Vegas to Portugal by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
281 reviews

Overall

8.0

Comfort

8.0

Crew

8.7

Food

7.6

Entertainment

7.0

Boarding

8.2

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
Porter Airlines
8.0
Very good
281 reviews
Porter Airlines
8.0
Very good
281 reviews

Overall

8.0

Comfort

8.0

Crew

8.7

Food

7.6

Entertainment

7.0

Boarding

8.2

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
KLM
7.8
Good
1,323 reviews
Porter Airlines
8.0
Very good
281 reviews

Overall

8.0

Comfort

8.0

Crew

8.7

Food

7.6

Entertainment

7.0

Boarding

8.2

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
Air Transat
7.8
Good
385 reviews
Porter Airlines
8.0
Very good
281 reviews

Overall

8.0

Comfort

8.0

Crew

8.7

Food

7.6

Entertainment

7.0

Boarding

8.2

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
SWISS
7.5
Good
1,578 reviews
Porter Airlines
8.0
Very good
281 reviews

Overall

8.0

Comfort

8.0

Crew

8.7

Food

7.6

Entertainment

7.0

Boarding

8.2

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
United Airlines
7.4
Good
8,658 reviews
Porter Airlines
8.0
Very good
281 reviews

Overall

8.0

Comfort

8.0

Crew

8.7

Food

7.6

Entertainment

7.0

Boarding

8.2

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?

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.

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

    The cheapest airline one-way is Air Transat, with whom users have recently found tickets for as low as $595. However, be on the lookout for offers from United Airlines and SWISS, 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 - Funchal Madeira or Las Vegas Harry Reid Intl - Faro, 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, January is the cheapest month in which you can book a flight from Las Vegas to Portugal (average of $612). Flying from Las Vegas to Portugal in June is currently the most expensive (average of $1,203). 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.

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Alternative routes for Las Vegas to Portugal

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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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$465Average$1,120FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$597Average$1,093FlexibilityNo cancel feeOn-time75%
Air TransatCheapest$613Average$696FlexibilityNo cancel feeOn-time50%
Air CanadaCheapest$615Average$1,028FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$623Average$1,089FlexibilityNo cancel feeOn-time69%
Porter AirlinesCheapest$645Average$675FlexibilityNo cancel feeOn-time52%
American AirlinesCheapest$695Average$987FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$699Average$1,044FlexibilityNo cancel feeOn-time70%

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