Portugal

$383+ 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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — LIS
Jun 14 — Jun 211
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 May 15, 2026.

This Mytrip deal was found by Cheapflights users on 5/13. 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.
Mon 11/1611:30 pm
LAS
-
LIS
2 stops26h 20m
Air Canada
Fri 11/275:00 am
LIS
-
LAS
2 stops25h 17m
Air Canada
Deal found 5/13$743
This United Airlines deal was found by Cheapflights users on 5/14. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:00 am
LAS
-
LIS
2 stops18h 10m
United Airlines
Thu 12/35:00 am
LIS
-
LAS
1 stop17h 35m
United Airlines
Deal found 5/14$744
This United Airlines deal was found by Cheapflights users on 5/12. 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.
Sun 11/157:10 am
LAS
-
LIS
1 stop17h 00m
United Airlines
Tue 11/1711:20 am
LIS
-
LAS
2 stops33h 26m
United Airlines
Deal found 5/12$747
This Air Canada deal was found by Cheapflights users on 5/12. 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.
Wed 11/1812:20 pm
LAS
-
LIS
1 stop14h 40m
Air Canada
Tue 11/245:00 am
LIS
-
LAS
2 stops25h 17m
Air Canada
Deal found 5/12$748
This KLM deal was found by Cheapflights users on 5/15. 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.
Mon 11/167:05 am
LAS
-
LIS
1 stop16h 55m
Multiple Airlines
Fri 11/275:30 am
LIS
-
LAS
1 stop18h 05m
Multiple Airlines
Deal found 5/15$753
This United Airlines deal was found by Cheapflights users on 5/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1611:15 am
LAS
-
LIS
1 stop12h 55m
United Airlines
Fri 11/275:00 am
LIS
-
LAS
2 stops20h 57m
United Airlines
Deal found 5/13$755
This United Airlines deal was found by Cheapflights users on 5/12. 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.
Sun 11/2211:00 pm
LAS
-
LIS
1 stop27h 15m
United Airlines
Thu 11/265:00 am
LIS
-
LAS
1 stop17h 35m
United Airlines
Deal found 5/12$756
This Cheapflightsfares deal was found by Cheapflights users on 5/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/168:55 pm
LAS
-
LIS
1 stop17h 00m
British Airways
Fri 11/2710:40 am
LIS
-
LAS
1 stop16h 10m
British Airways
Deal found 5/12$759
This United Airlines deal was found by Cheapflights users on 5/12. 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.
Wed 12/27:10 am
LAS
-
FAO
2 stops21h 25m
United Airlines
Sun 12/61:25 pm
FAO
-
LAS
2 stops37h 21m
United Airlines
Deal found 5/12$847
This KLM deal was found by Cheapflights users on 5/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:25 pm
LAS
-
FAO
1 stop27h 35m
KLM
Wed 9/308:20 pm
FAO
-
LAS
1 stop30h 15m
KLM
Deal found 5/11$877
This Mytrip deal was found by Cheapflights users on 5/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:20 pm
LAS
-
FAO
1 stop14h 20m
Multiple Airlines
Wed 9/306:05 am
FAO
-
LAS
3 stops23h 35m
Multiple Airlines
Deal found 5/11$1,012
This KLM deal was found by Cheapflights users on 5/12. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/138:25 pm
LAS
-
FAO
1 stop26h 45m
KLM
Wed 5/208:20 pm
FAO
-
LAS
1 stop30h 15m
KLM
Deal found 5/12$1,023

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 May 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$777
(Expedia)

One-way from

$383
(Cheapflightsfares)

Popular in

May

Cheapest in

April

Average price

$1,219
Provider with most accurate pricing for Las Vegas Harry Reid Intl-Lisbon Humberto Delgado flight deals.
Provider most trusted by Cheapflights users for Las Vegas Harry Reid Intl-Lisbon Humberto Delgado flights.
From Las Vegas Harry Reid Intl to Portugal
One-way flight from Las Vegas Harry Reid Intl to Portugal
Highest demand for flights based on searches. 7% potential increase in price ($74 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
Average for round-trip flights in May 2026

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 May 15, 2026.
Use the filters below to find and compare flights from Las Vegas to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Las VegasFaro

LAS - FAO

LASFAO

Las Vegas Harry Reid Intl

Wed 9/23

8:25 pm-7:10 am

1 stop26h 45m

Faro

Wed 9/30

8:50 am-12:02 am

2 stops23h 12m

$887
Quickest round-trip

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Tue 9/15

7:05 am-8:00 am

1 stop16h 55m

Lisbon Humberto Delgado

Thu 9/24

10:25 am-6:35 pm

1 stop16h 10m

$908

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Mon 7/6

5:30 am-9:20 am

2 stops19h 50m

Lisbon Humberto Delgado

Sun 7/19

1:00 pm-5:57 pm

2 stops36h 57m

$1,017

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Sat 6/20

11:59 pm-11:05 am

2 stops27h 06m

Lisbon Humberto Delgado

Thu 7/2

11:25 am-2:45 pm

2 stops35h 20m

$1,183

Las VegasFaro

LAS - FAO

LASFAO

Las Vegas Harry Reid Intl

Thu 6/4

1:25 pm-6:40 pm

2 stops21h 15m

Faro

Wed 9/23

8:50 am-6:35 pm

1 stop17h 45m

$1,209

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Tue 6/16

7:05 am-8:00 am

1 stop16h 55m

Lisbon Humberto Delgado

Sun 6/21

5:00 am-6:35 pm

1 stop21h 35m

$1,244

Las VegasFunchal

LAS - FNC

LASFNC

Las Vegas Harry Reid Intl

Tue 6/23

8:25 pm-9:15 am

1 stop28h 50m

Funchal Madeira

Sun 6/28

6:35 pm-6:35 pm

1 stop32h 00m

$1,250

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Tue 6/2

8:48 am-10:30 am

1 stop17h 42m

Lisbon Humberto Delgado

Thu 6/11

11:25 am-11:28 am

2 stops32h 03m

$1,303

Las VegasFaro

LAS - FAO

LASFAO

Las Vegas Harry Reid Intl

Thu 6/25

7:03 pm-10:40 am

2 stops55h 37m

Faro

Thu 7/2

3:25 pm-4:20 pm

1 stop32h 55m

$1,375

Las VegasFaro

LAS - FAO

LASFAO

Las Vegas Harry Reid Intl

Thu 6/25

10:59 am-10:00 pm

3 stops27h 01m

Faro

Thu 7/2

8:00 am-10:17 pm

2 stops22h 17m

$1,517

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/12

Showing 1-10 of 22 resultsSorted by cheapest first
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

How far ahead should I book a flight from Las Vegas to Portugal?

To ensure you get the cheapest price possible for a flight from Las Vegas to Portugal, you should look to book at least 64 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, April is the cheapest month in which you can book a flight from Las Vegas to Portugal (average of $485). Flying from Las Vegas to Portugal in July is currently the most expensive (average of $764). 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 May 15, 2026.
Read reviews from past customers who have flown Delta,KLM, andUnited 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.

Crew

8.5

Entertainment

7.8

Overall

7.9

Food

7.2

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Crew

8.5

Entertainment

7.8

Overall

7.9

Food

7.2

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Crew

8.5

Entertainment

7.8

Overall

7.9

Food

7.2

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Crew

8.5

Entertainment

7.8

Overall

7.9

Food

7.2

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Crew

8.5

Entertainment

7.8

Overall

7.9

Food

7.2

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Crew

8.5

Entertainment

7.8

Overall

7.9

Food

7.2

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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?

    KLM and TAP AIR PORTUGAL can get you from Las Vegas to Portugal in just under 26h 45m. Your travel time can differ by up to 50m. The distance between Las Vegas and Portugal is about 5563 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 Delta, with whom users have recently found tickets for as low as $238. However, be on the lookout for offers from Air Canada and British Airways, 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, April is the cheapest month in which you can book a flight from Las Vegas to Portugal (average of $485). Flying from Las Vegas to Portugal in July is currently the most expensive (average of $764). 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.

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 May 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$485Average$1,072FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$493Average$757FlexibilityNo cancel feeOn-time77%
DeltaCheapest$498Average$1,114FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$503Average$851FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$505Average$733FlexibilityNo cancel feeOn-time70%
Porter AirlinesCheapest$666Average$764FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$768Average$1,193FlexibilityNo cancel feeOn-time67%
Air TransatCheapest$785Average$929FlexibilityNo cancel feeOn-time50%

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.