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$417+ 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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — LIS
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$673
(Porter Airlines)

One-way from

$417
(Kiwi.com)

Popular in

May

Cheapest in

January

Average price

$863
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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Highest demand for flights based on searches. 11% potential increase in price ($127 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($24 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 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 March 25, 2025.

This Porter Airlines deal was found by Cheapflights users on 3/24. 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 stop18h 23mPorter Airlines
Deal found 3/24$658
This United deal was found by Cheapflights users on 3/24. 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 10/1312:48 amLAS - LIS
1 stop23h 32mMultiple Airlines
Wed 10/2911:00 amLIS - LAS
1 stop34h 07mMultiple Airlines
Deal found 3/24$712
This Air Canada deal was found by Cheapflights users on 3/24. 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.
Tue 10/147:30 amLAS - LIS
2 stops19h 40mAir Canada
Wed 10/2911:00 amLIS - LAS
2 stops35h 51mAir Canada
Deal found 3/24$724
This Expedia deal was found by Cheapflights users on 3/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/711:00 amLAS - FAO
2 stops22h 55mMultiple Airlines
Sat 11/156:45 pmFAO - LAS
2 stops33h 41mMultiple Airlines
Deal found 3/22$730
This SmartFares deal was found by Cheapflights users on 3/23. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1111:10 pmLAS - LIS
1 stop26h 25mAir Transat
Tue 7/811:35 amLIS - LAS
1 stop29h 18mAir Transat
Deal found 3/23$777
This Delta deal was found by Cheapflights users on 3/23. 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 3/247:25 amLAS - LIS
1 stop17h 35mDelta
Wed 4/95:00 amLIS - LAS
1 stop17h 15mDelta
Deal found 3/23$778
This Virgin Atlantic deal was found by Cheapflights users on 3/23. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/2410:20 amLAS - LIS
2 stops15h 40mVirgin Atlantic
Wed 4/910:00 amLIS - LAS
1 stop22h 17mVirgin Atlantic
Deal found 3/23$779
This United deal was found by Cheapflights users on 3/24. 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.
Wed 9/177:00 amLAS - LIS
2 stops18h 20mUnited Airlines
Tue 9/3011:25 amLIS - LAS
2 stops33h 03mUnited Airlines
Deal found 3/24$788
This Orbitz deal was found by Cheapflights users on 3/22. 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.
Fri 11/78:55 pmLAS - FAO
1 stop28h 45mBritish Airways
Sat 11/153:00 pmFAO - LAS
2 stops27h 51mBritish Airways
Deal found 3/22$852
This Mytrip deal was found by Cheapflights users on 3/24. 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 5/510:53 pmLAS - FNC
3 stops28h 47mMultiple Airlines
Tue 5/136:50 pmFNC - LAS
2 stops36h 31mMultiple Airlines
Deal found 3/24$878
This KLM deal was found by Cheapflights users on 3/24. 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.
Sat 4/194:05 pmLAS - LIS
1 stop14h 30mKLM
Tue 4/295:00 amLIS - LAS
1 stop17h 15mKLM
Deal found 3/24$884
This United deal was found by Cheapflights users on 3/24. 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.
Tue 9/1612:59 amLAS - FAO
2 stops24h 26mUnited Airlines
Tue 9/303:25 pmFAO - LAS
2 stops34h 58mUnited Airlines
Deal found 3/24$932

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 March 25, 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

Tue 6/17

11:10 pm-6:50 am

1 stop23h 40m

Lisbon Humberto Delgado

Tue 6/24

11:35 am-8:53 am

1 stop29h 18m

$673

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Fri 5/9

8:14 am-8:40 pm

2 stops28h 26m

Lisbon Humberto Delgado

Sun 5/18

9:55 am-11:47 am

1 stop33h 52m

$732

Las VegasFaro

LAS - FAO

LASFAO

Las Vegas Harry Reid Intl

Wed 5/7

12:42 pm-6:40 pm

2 stops21h 58m

Faro

Wed 5/14

8:05 pm-7:41 am

3 stops43h 36m

$758

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Wed 6/11

11:10 pm-9:35 am

1 stop26h 25m

Lisbon Humberto Delgado

Tue 7/8

11:35 am-8:53 am

1 stop29h 18m

$777

Las VegasFunchal

LAS - FNC

LASFNC

Las Vegas Harry Reid Intl

Mon 5/5

10:53 pm-11:40 am

3 stops28h 47m

Funchal Madeira

Tue 5/13

6:50 pm-11:21 pm

2 stops36h 31m

$878

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Sat 4/19

4:05 pm-2:35 pm

1 stop14h 30m

Lisbon Humberto Delgado

Tue 4/29

5:00 am-2:15 pm

1 stop17h 15m

$884

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Sat 4/19

12:00 pm-2:50 pm

2 stops18h 50m

Lisbon Humberto Delgado

Tue 4/29

10:00 am-11:25 pm

2 stops21h 25m

$894

Las VegasFaro

LAS - FAO

LASFAO

Las Vegas Harry Reid Intl

Wed 5/7

10:05 pm-4:05 pm

1 stop34h 00m

Faro

Wed 5/14

7:40 pm-1:20 pm

1 stop25h 40m

$949

Las VegasFaro

LAS - FAO

LASFAO

Las Vegas Harry Reid Intl

Fri 5/16

6:00 am-12:55 pm

2 stops22h 55m

Faro

Sat 5/24

11:40 am-7:15 pm

1 stop15h 35m

$976

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Wed 5/7

12:59 am-10:30 am

2 stops25h 31m

Lisbon Humberto Delgado

Thu 5/15

7:30 am-7:04 pm

2 stops19h 34m

$1,031

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 27 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 $1,219). 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 March 25, 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 March 25, 2025.
Get a feel of what it's like to fly with Delta, Porter Airlines and KLM 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.
Delta
8.0
Very good
7,890 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,890 reviews
Delta
8.0
Very good
7,890 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Porter Airlines
7.9
Good
275 reviews
Delta
8.0
Very good
7,890 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,318 reviews
Delta
8.0
Very good
7,890 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Transat
7.8
Good
381 reviews
Delta
8.0
Very good
7,890 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,569 reviews
Delta
8.0
Very good
7,890 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 $586. However, be on the lookout for offers from British Airways and United Airlines, 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 $1,219). 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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$465Average$1,137FlexibilityNo cancel feeOn-timeN/A
Air TransatCheapest$596Average$910FlexibilityNo cancel feeOn-time50%
United AirlinesCheapest$623Average$1,223FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$635Average$1,080FlexibilityNo cancel feeOn-time67%
Porter AirlinesCheapest$645Average$675FlexibilityNo cancel feeOn-time52%
American AirlinesCheapest$678Average$1,099FlexibilityNo cancel feeOn-time71%
KLMCheapest$694Average$1,214FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$696Average$1,039FlexibilityNo cancel feeOn-time70%
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