Portugal

$289+ 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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — LIS
Jun 17 — Jun 241
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

Keep the following information in mind while searching for Las Vegas to Portugal flight deals. Data was last updated June 12, 2025.

Round-trip from

$580
(United Airlines)

One-way from

$289
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$1,135
From Las Vegas Harry Reid Intl to Portugal
One-way flight from Las Vegas Harry Reid Intl to Portugal
High demand for flights, 6% potential price rise
Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).
Average for round-trip flights in June 2025

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 June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/12. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/257:05 pmLAS - LIS
2 stops32h 10mUnited Airlines
Wed 11/55:00 amLIS - LAS
2 stops24h 15mUnited Airlines
Deal found 6/12$580
This Air Canada deal was found by Cheapflights users on 6/12. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2011:59 pmLAS - LIS
2 stops25h 21mAir Canada
Thu 11/611:00 amLIS - LAS
1 stop17h 34mAir Canada
Deal found 6/12$583
This British Airways deal was found by Cheapflights users on 6/11. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/172:18 amLAS - LIS
1 stop22h 57mBritish Airways
Tue 11/2511:10 amLIS - LAS
1 stop20h 25mBritish Airways
Deal found 6/11$596
This Iberia deal was found by Cheapflights users on 6/12. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/288:00 amLAS - LIS
2 stops27h 05mIberia
Fri 11/711:05 amLIS - LAS
1 stop20h 30mIberia
Deal found 6/12$602
This Lufthansa deal was found by Cheapflights users on 6/12. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/265:20 pmLAS - LIS
1 stop22h 30mLufthansa
Fri 11/75:00 amLIS - LAS
2 stops27h 45mLufthansa
Deal found 6/12$610
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/172:18 amLAS - LIS
1 stop22h 57mAmerican Airlines
Tue 11/2510:40 amLIS - LAS
1 stop16h 10mAmerican Airlines
Deal found 6/11$613
This SWISS deal was found by Cheapflights users on 6/12. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/257:05 pmLAS - LIS
2 stops60h 30mSWISS
Mon 11/33:25 pmLIS - LAS
2 stops38h 24mSWISS
Deal found 6/12$621
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/811:00 pmLAS - LIS
1 stop22h 30mMultiple Airlines
Wed 9/1710:10 pmLIS - LAS
2 stops54h 40mMultiple Airlines
Deal found 6/12$625
This Porter Airlines deal was found by Cheapflights users on 6/12. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1010:55 pmLAS - LIS
1 stop26h 40mPorter Airlines
Fri 9/1911:35 amLIS - LAS
1 stop18h 20mPorter Airlines
Deal found 6/12$667
This Delta deal was found by Cheapflights users on 6/12. 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.
Thu 10/309:25 amLAS - LIS
1 stop15h 35mDelta
Wed 11/510:00 amLIS - LAS
1 stop17h 10mDelta
Deal found 6/12$776
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/126:00 pmLAS - FAO
3 stops34h 25mUnited Airlines
Sat 12/201:25 pmFAO - LAS
1 stop33h 10mUnited Airlines
Deal found 6/11$821
This Ovago deal was found by Cheapflights users on 6/10. 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.
Sat 11/2211:29 pmLAS - FAO
2 stops33h 46mBritish Airways
Sun 11/3010:50 amFAO - LAS
1 stop16h 00mBritish Airways
Deal found 6/10$879

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 June 12, 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 10/25

7:05 pm-10:15 am

2 stops32h 10m

Lisbon Humberto Delgado

Wed 11/5

5:00 am-9:15 pm

2 stops24h 15m

$580

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Mon 10/20

11:59 pm-9:20 am

2 stops25h 21m

Lisbon Humberto Delgado

Thu 11/6

11:00 am-8:34 pm

1 stop17h 34m

$583

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Mon 11/17

2:18 am-9:15 am

1 stop22h 57m

Lisbon Humberto Delgado

Tue 11/25

11:10 am-11:35 pm

1 stop20h 25m

$596

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Tue 10/28

8:00 am-6:05 pm

2 stops27h 05m

Lisbon Humberto Delgado

Fri 11/7

11:05 am-11:35 pm

1 stop20h 30m

$602

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Sun 10/26

5:20 pm-10:50 pm

1 stop22h 30m

Lisbon Humberto Delgado

Wed 11/5

5:00 am-6:27 pm

2 stops21h 27m

$610

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Mon 11/17

2:18 am-9:15 am

1 stop22h 57m

Lisbon Humberto Delgado

Tue 11/25

10:40 am-6:50 pm

1 stop16h 10m

$613

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Sat 10/25

7:05 pm-11:45 am

2 stops57h 40m

Lisbon Humberto Delgado

Mon 11/3

3:25 pm-10:40 pm

2 stops39h 15m

$621

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Mon 9/8

11:00 pm-5:30 am

1 stop22h 30m

Lisbon Humberto Delgado

Wed 9/17

10:10 pm-8:50 pm

2 stops54h 40m

$625

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Wed 9/10

10:55 pm-9:35 am

1 stop26h 40m

Lisbon Humberto Delgado

Fri 9/19

11:35 am-9:55 pm

1 stop18h 20m

$667

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Thu 10/30

9:25 am-8:00 am

1 stop15h 35m

Lisbon Humberto Delgado

Wed 11/5

10:00 am-7:10 pm

1 stop17h 10m

$776

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 33 results
1
2
3
4

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 $1,136). 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 June 12, 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 June 12, 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.
8.0
Very good

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 KLM, with whom users have recently found tickets for as low as $433. 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?

  • 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 $1,136). 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.

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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$465Average$1,158FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$597Average$1,200FlexibilityNo cancel feeOn-time75%
Air TransatCheapest$613Average$716FlexibilityNo cancel feeOn-time50%
Air CanadaCheapest$615Average$1,026FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$620Average$1,056FlexibilityNo cancel feeOn-time69%
Porter AirlinesCheapest$645Average$735FlexibilityNo cancel feeOn-time52%
British AirwaysCheapest$696Average$1,023FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$708Average$1,089FlexibilityNo 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.