Portugal

$303+ 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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — LIS
Oct 29 — Nov 51
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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 September 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$539
(Scandinavian Airlines)

One-way from

$303
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$1,038
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
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 September 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 September 29, 2025.

This Orbitz deal was found by Cheapflights users on 9/28. 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.
Tue 11/189:10 amLAS - LIS
1 stop16h 10mMultiple Airlines
Tue 11/255:00 amLIS - LAS
2 stops21h 49mMultiple Airlines
Deal found 9/28$549
This United Airlines deal was found by Cheapflights users on 9/29. 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 11/188:45 amLAS - LIS
2 stops16h 35mUnited Airlines
Tue 11/255:00 amLIS - LAS
2 stops23h 07mUnited Airlines
Deal found 9/29$553
This CheapOair deal was found by Cheapflights users on 9/28. 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 9/28$557
This United Airlines deal was found by Cheapflights users on 9/28. 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 11/126:00 amLAS - LIS
2 stops20h 15mUnited Airlines
Wed 11/195:00 amLIS - LAS
2 stops23h 46mUnited Airlines
Deal found 9/28$558
This United deal was found by Cheapflights users on 9/27. 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 10/271:20 pmLAS - LIS
1 stop13h 55mMultiple Airlines
Tue 11/113:55 pmLIS - LAS
1 stop28h 10mMultiple Airlines
Deal found 9/27$588
This United Airlines deal was found by Cheapflights users on 9/27. 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 11/1111:35 amLAS - LIS
1 stop12h 35mUnited Airlines
Tue 11/185:00 amLIS - LAS
2 stops35h 57mUnited Airlines
Deal found 9/27$589
This KLM deal was found by Cheapflights users on 9/28. 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.
Tue 10/285:05 pmLAS - FAO
1 stop18h 00mKLM
Tue 11/47:45 pmFAO - LAS
2 stops30h 02mKLM
Deal found 9/28$669
This KLM deal was found by Cheapflights users on 9/28. 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 11/1211:41 amLAS - FAO
2 stops22h 34mKLM
Wed 11/196:55 pmFAO - LAS
1 stop27h 20mKLM
Deal found 9/28$684
This Mytrip deal was found by Cheapflights users on 9/26. 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.
Tue 11/117:00 amLAS - FNC
2 stops29h 45mMultiple Airlines
Tue 11/187:50 amFNC - LAS
3 stops33h 39mMultiple Airlines
Deal found 9/26$877
This Air Canada deal was found by Cheapflights users on 9/28. 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 11/129:10 amLAS - FAO
2 stops18h 30mMultiple Airlines
Wed 11/196:05 amFAO - LAS
3 stops22h 41mMultiple Airlines
Deal found 9/28$943
This American Airlines deal was found by Cheapflights users on 9/28. 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.
Wed 11/126:00 amLAS - FNC
3 stops26h 10mMultiple Airlines
Wed 11/192:10 pmFNC - LAS
2 stops35h 41mMultiple Airlines
Deal found 9/28$954
This Mytrip deal was found by Cheapflights users on 9/28. 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.
Tue 10/288:09 amLAS - FAO
3 stops24h 41mMultiple Airlines
Tue 11/410:30 amFAO - LAS
3 stops43h 37mMultiple Airlines
Deal found 9/28$983

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 September 29, 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 1/18

7:05 am-5:20 pm

2 stops26h 15m

Lisbon Humberto Delgado

Sun 1/25

4:55 pm-12:13 am

2 stops39h 18m

$539

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Tue 11/18

7:15 am-9:20 am

2 stops18h 05m

Lisbon Humberto Delgado

Tue 11/25

5:00 am-6:49 pm

2 stops21h 49m

$553

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Mon 1/19

11:30 pm-9:20 am

2 stops25h 50m

Lisbon Humberto Delgado

Thu 3/26

5:00 am-12:01 am

2 stops26h 01m

$554

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Sun 2/22

11:47 pm-10:15 am

1 stop26h 28m

Lisbon Humberto Delgado

Wed 3/11

5:00 am-5:55 pm

2 stops19h 55m

$560

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Mon 1/19

12:30 am-9:20 am

2 stops24h 50m

Lisbon Humberto Delgado

Tue 2/10

5:00 am-10:31 pm

2 stops25h 31m

$580

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Wed 1/14

9:56 am-8:10 am

1 stop14h 14m

Lisbon Humberto Delgado

Fri 3/27

5:00 am-12:01 am

2 stops26h 01m

$584

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Mon 10/27

1:20 pm-10:15 am

1 stop13h 55m

Lisbon Humberto Delgado

Tue 11/11

3:55 pm-12:05 pm

1 stop28h 10m

$588

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Fri 1/16

11:30 pm-8:55 am

2 stops25h 25m

Lisbon Humberto Delgado

Fri 3/27

5:00 am-12:01 am

2 stops26h 01m

$592

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Thu 1/15

6:00 am-9:20 am

2 stops19h 20m

Lisbon Humberto Delgado

Thu 3/26

5:00 am-8:01 pm

2 stops22h 01m

$592

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Sun 3/8

7:12 am-8:55 am

1 stop18h 43m

Lisbon Humberto Delgado

Mon 3/16

4:10 pm-6:40 pm

2 stops33h 30m

$595

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/29

Showing 1-10 of 39 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 $1,126). 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 September 29, 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 September 29, 2025.
Read reviews from past customers who have flown Delta, Air Transat, and United 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

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

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

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

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

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

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

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

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

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

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

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

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.

  • How long is the flight from Las Vegas to Portugal?

    Scandinavian Airlines, United Airlines, and KLM can get you from Las Vegas to Portugal in just under 18h. Your travel time can differ by up to 8h 15m. 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 United Airlines, with whom users have recently found tickets for as low as $574. However, be on the lookout for offers from American Airlines 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, 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 $1,126). 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 September 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$576Average$1,026FlexibilityNo cancel feeOn-time67%
KLMCheapest$597Average$999FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$607Average$1,019FlexibilityNo cancel feeOn-time69%
Air TransatCheapest$613Average$716FlexibilityNo cancel feeOn-time50%
DeltaCheapest$641Average$1,211FlexibilityNo cancel feeOn-timeN/A
Porter AirlinesCheapest$645Average$675FlexibilityNo cancel feeOn-time52%
British AirwaysCheapest$687Average$1,036FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$740Average$1,169FlexibilityNo cancel feeOn-time71%

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