Portugal

$326+ 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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — LIS
Jul 14 — Jul 211
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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 June 14, 2026.

This Expedia deal was found by Cheapflights users on 6/9. 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.
Mon 10/1211:30 pm
LAS
-
LIS
2 stops25h 50m
Air Canada
Tue 11/171:00 pm
LIS
-
LAS
1 stop17h 47m
Air Canada
Deal found 6/9$725
This Porter Airlines deal was found by Cheapflights users on 6/14. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/252:35 pm
LAS
-
LIS
1 stop32h 10m
Porter Airlines
Thu 12/39:00 am
LIS
-
LAS
1 stop36h 37m
Porter Airlines
Deal found 6/14$734
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/37:20 am
LAS
-
LIS
2 stops18h 30m
Multiple Airlines
Tue 11/175:00 am
LIS
-
LAS
2 stops19h 08m
Multiple Airlines
Deal found 6/10$742
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.
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 6/11$743
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/211:50 am
LAS
-
LIS
1 stop14h 00m
Air Canada
Tue 11/1711:20 am
LIS
-
LAS
2 stops35h 37m
Air Canada
Deal found 6/10$744
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/257:20 am
LAS
-
LIS
2 stops19h 40m
Air Canada
Thu 12/35:00 am
LIS
-
LAS
2 stops24h 40m
Air Canada
Deal found 6/10$747
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/111:30 pm
LAS
-
LIS
2 stops26h 20m
Air Canada
Tue 11/1711:20 am
LIS
-
LAS
2 stops35h 37m
Air Canada
Deal found 6/10$749
This Air Transat 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 Air Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/299:45 am
LAS
-
LIS
1 stop15h 50m
Air Transat
Tue 9/811:35 am
LIS
-
LAS
1 stop18h 47m
Air Transat
Deal found 6/11$750
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/163:25 pm
LAS
-
LIS
1 stop15h 45m
Delta
Fri 11/275:30 am
LIS
-
LAS
1 stop15h 40m
Delta
Deal found 6/11$751
This KLM deal was found by Cheapflights users on 6/14. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/169:25 am
LAS
-
LIS
1 stop14h 35m
Multiple Airlines
Fri 11/275:30 am
LIS
-
LAS
1 stop15h 40m
Multiple Airlines
Deal found 6/14$752
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/411:15 am
LAS
-
LIS
1 stop12h 55m
United Airlines
Wed 11/185:00 am
LIS
-
LAS
2 stops20h 57m
United Airlines
Deal found 6/10$753
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/138:25 pm
LAS
-
FAO
1 stop15h 05m
KLM
Mon 7/208:20 pm
FAO
-
LAS
1 stop30h 15m
KLM
Deal found 6/10$1,013

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 June 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$725
(Expedia)

One-way from

$326
(Travelocity)

Popular in

May

Cheapest in

April

Average price

$1,168
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. 5% potential increase in price ($58 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
Average for round-trip flights in June 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 June 14, 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 VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Mon 11/16

3:25 pm-3:10 pm

1 stop15h 45m

Lisbon Humberto Delgado

Fri 11/27

11:30 am-11:57 pm

2 stops20h 27m

$754
Quickest round-trip

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Tue 11/24

7:05 am-8:00 am

1 stop16h 55m

Lisbon Humberto Delgado

Tue 12/1

5:00 am-2:15 pm

1 stop17h 15m

$792

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Wed 8/19

11:31 am-2:55 pm

2 stops19h 24m

Lisbon Humberto Delgado

Thu 8/27

5:00 am-6:35 pm

1 stop21h 35m

$903

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Sat 10/10

10:30 am-10:30 am

2 stops40h 00m

Lisbon Humberto Delgado

Sun 10/25

11:20 am-10:55 am

1 stop30h 35m

$907

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Sat 10/10

11:55 pm-9:20 am

2 stops25h 25m

Lisbon Humberto Delgado

Sun 10/25

1:00 pm-7:04 pm

2 stops37h 04m

$908

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Tue 9/15

1:31 pm-2:35 pm

2 stops17h 04m

Lisbon Humberto Delgado

Thu 9/24

3:35 pm-6:35 pm

1 stop35h 00m

$915

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Mon 8/31

5:50 pm-5:50 pm

1 stop16h 00m

Lisbon Humberto Delgado

Tue 9/8

5:00 am-6:35 pm

1 stop21h 35m

$936

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Tue 9/8

8:25 pm-10:50 pm

1 stop18h 25m

Lisbon Humberto Delgado

Thu 9/24

3:35 pm-6:35 pm

1 stop35h 00m

$941

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Wed 9/2

7:00 am-8:20 am

1 stop17h 20m

Lisbon Humberto Delgado

Thu 9/10

5:05 am-6:59 pm

2 stops21h 54m

$946

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Tue 9/1

8:25 pm-6:45 pm

1 stop14h 20m

Lisbon Humberto Delgado

Sat 9/12

5:00 am-6:35 pm

1 stop21h 35m

$1,001

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/13

Showing 1-10 of 39 resultsSorted by cheapest first
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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, 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.

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 40 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.

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 14, 2026.
Read reviews from past customers who have flown Delta,KLM, andAir Transat 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.

Entertainment

7.8

Comfort

7.8

Overall

7.9

Food

7.2

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

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

Entertainment

7.8

Comfort

7.8

Overall

7.9

Food

7.2

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

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

Entertainment

7.8

Comfort

7.8

Overall

7.9

Food

7.2

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

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

Entertainment

7.8

Comfort

7.8

Overall

7.9

Food

7.2

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

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

Entertainment

7.8

Comfort

7.8

Overall

7.9

Food

7.2

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

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

Entertainment

7.8

Comfort

7.8

Overall

7.9

Food

7.2

Boarding

8.1

Crew

8.5

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?

    Delta, KLM, and United Airlines can get you from Las Vegas to Portugal in just under 14h 05m. Your travel time can differ by up to 11h 20m. 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 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

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Top 7 airlines flying from Las Vegas to Portugal

Discover the top 7 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 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$485Average$1,121FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$493Average$757FlexibilityNo cancel feeOn-time77%
DeltaCheapest$498Average$1,102FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$503Average$847FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$504Average$1,193FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$505Average$718FlexibilityNo cancel feeOn-time70%
Air TransatCheapest$785Average$980FlexibilityNo cancel feeOn-time50%

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