Portugal

$290+ 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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — LIS
Aug 18 — Aug 251
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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 August 13, 2025.

Round-trip from

$569
(Air Canada)

One-way from

$290
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$925
From Las Vegas Harry Reid Intl to Portugal
One-way flight from Las Vegas Harry Reid Intl to Portugal
High demand for flights, 5% potential price rise
Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
Average for round-trip flights in August 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 August 13, 2025.

This Air Canada deal was found by Cheapflights users on 8/12. 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.
Sat 10/1811:15 pmLAS - LIS
1 stop26h 05mAir Canada
Tue 12/911:20 amLIS - LAS
2 stops35h 46mAir Canada
Deal found 8/12$569
This United Airlines deal was found by Cheapflights users on 8/12. 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.
Mon 10/2011:59 pmLAS - LIS
2 stops25h 21mUnited Airlines
Tue 12/911:20 amLIS - LAS
2 stops33h 43mUnited Airlines
Deal found 8/12$574
This Air Canada deal was found by Cheapflights users on 8/12. 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.
Sat 10/1811:15 pmLAS - LIS
1 stop26h 05mAir Canada
Wed 12/1711:00 amLIS - LAS
2 stops36h 03mAir Canada
Deal found 8/12$576
This Air Canada deal was found by Cheapflights users on 8/12. 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.
Tue 10/1410:46 amLAS - LIS
2 stops16h 19mAir Canada
Tue 12/1611:20 amLIS - LAS
2 stops38h 38mAir Canada
Deal found 8/12$580
This Air Canada deal was found by Cheapflights users on 8/12. 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 10/2011:10 amLAS - LIS
1 stop14h 10mAir Canada
Thu 12/1110:55 amLIS - LAS
1 stop17h 54mAir Canada
Deal found 8/12$582
This CheapOair deal was found by Cheapflights users on 8/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/189:10 amLAS - LIS
1 stop16h 10mAir Canada
Tue 11/256:10 amLIS - LAS
2 stops23h 34mAir Canada
Deal found 8/11$586
This Air Canada deal was found by Cheapflights users on 8/12. 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.
Fri 10/1711:15 pmLAS - LIS
2 stops51h 50mAir Canada
Thu 12/1110:55 amLIS - LAS
1 stop17h 54mAir Canada
Deal found 8/12$589
This United Airlines deal was found by Cheapflights users on 8/12. 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.
Tue 11/186:00 amLAS - LIS
2 stops18h 10mUnited Airlines
Tue 11/255:00 amLIS - LAS
2 stops22h 18mUnited Airlines
Deal found 8/12$590
This Air Canada deal was found by Cheapflights users on 8/12. 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.
Fri 10/1711:20 pmLAS - LIS
2 stops50h 00mAir Canada
Wed 12/1711:00 amLIS - LAS
1 stop32h 21mAir Canada
Deal found 8/12$595
This Iberia deal was found by Cheapflights users on 8/11. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/38:55 pmLAS - LIS
1 stop17h 00mMultiple Airlines
Fri 11/1411:05 amLIS - LAS
1 stop19h 49mMultiple Airlines
Deal found 8/11$597
This Mytrip deal was found by Cheapflights users on 8/11. 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.
Mon 9/86:15 amLAS - FAO
3 stops27h 00mMultiple Airlines
Wed 9/176:05 amFAO - LAS
2 stops23h 14mMultiple Airlines
Deal found 8/11$792
This Mytrip deal was found by Cheapflights users on 8/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/29:15 amLAS - FNC
3 stops32h 00mMultiple Airlines
Wed 10/82:25 pmFNC - LAS
3 stops33h 30mMultiple Airlines
Deal found 8/12$797

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 August 13, 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

Sun 10/19

11:15 pm-9:20 am

1 stop26h 05m

Lisbon Humberto Delgado

Tue 12/9

11:20 am-3:06 pm

2 stops35h 46m

$569

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Mon 10/20

11:15 pm-9:20 am

1 stop26h 05m

Lisbon Humberto Delgado

Tue 12/16

11:20 am-11:29 am

2 stops32h 09m

$569

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Sun 10/19

11:15 pm-9:20 am

1 stop26h 05m

Lisbon Humberto Delgado

Tue 12/16

11:20 am-12:57 pm

2 stops33h 37m

$569

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Mon 10/20

11:10 am-9:20 am

1 stop14h 10m

Lisbon Humberto Delgado

Tue 12/9

11:20 am-3:06 pm

2 stops35h 46m

$569

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Sat 10/18

11:15 pm-9:20 am

1 stop26h 05m

Lisbon Humberto Delgado

Tue 12/16

11:20 am-9:58 pm

2 stops42h 38m

$569

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Tue 10/21

11:10 am-9:20 am

1 stop14h 10m

Lisbon Humberto Delgado

Tue 12/9

11:20 am-3:06 pm

2 stops35h 46m

$569

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Tue 10/21

11:10 am-9:20 am

1 stop14h 10m

Lisbon Humberto Delgado

Thu 12/11

10:55 am-9:56 pm

2 stops43h 01m

$569

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Sat 10/18

11:15 pm-9:20 am

1 stop26h 05m

Lisbon Humberto Delgado

Thu 12/11

10:55 am-9:56 pm

2 stops43h 01m

$569

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Wed 10/22

11:10 am-9:20 am

1 stop14h 10m

Lisbon Humberto Delgado

Thu 12/11

10:55 am-9:56 pm

2 stops43h 01m

$569

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Mon 10/20

11:10 am-9:20 am

1 stop14h 10m

Lisbon Humberto Delgado

Thu 12/11

10:55 am-9:56 pm

2 stops43h 01m

$569

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 42 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 $1,128). 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 August 13, 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.

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 August 13, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American 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.
8.0
Very good

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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 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 $1,128). 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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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 August 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$576Average$1,020FlexibilityNo cancel feeOn-time67%
KLMCheapest$597Average$1,153FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$607Average$1,054FlexibilityNo cancel feeOn-time69%
Air TransatCheapest$613Average$716FlexibilityNo cancel feeOn-time50%
DeltaCheapest$641Average$1,198FlexibilityNo cancel feeOn-timeN/A
Porter AirlinesCheapest$645Average$675FlexibilityNo cancel feeOn-time52%
British AirwaysCheapest$687Average$1,023FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$695Average$1,169FlexibilityNo cancel feeOn-time71%

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