Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Las Vegas to Portugal from $270

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Las Vegas to Portugal departing on 11/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Las Vegas to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:15 am - 8:55 amLAS-LIS
18h 40m2 stops
Multiple Airlines Logo
5:00 am - 2:40 pmLIS-LAS
17h 40m1 stop
$496Multiple Airlines
Find Deal
Sat, Nov 29 - Sun, Dec 14
Multiple Airlines Logo
6:15 am - 9:20 amLAS-LIS
19h 05m2 stops
Multiple Airlines Logo
5:00 am - 5:57 pmLIS-LAS
20h 57m2 stops
$501Multiple Airlines
Find Deal
Tue, Nov 18 - Tue, Nov 25
Air Canada Logo
7:23 am - 9:20 amLAS-LIS
17h 57m2 stops
Air Canada Logo
10:50 am - 8:46 pmLIS-LAS
17h 56m2 stops
$520Air Canada
Find Deal
Mon, Dec 1 - Sun, Dec 14
Air Canada Logo
6:15 am - 9:20 amLAS-LIS
19h 05m2 stops
Air Canada Logo
5:00 am - 9:44 pmLIS-LAS
24h 44m2 stops
$528Air Canada
Find Deal
Thu, Jan 8 - Fri, Jan 16
Delta Logo
10:51 am - 8:00 amLAS-LIS
13h 09m1 stop
Delta Logo
5:00 am - 2:15 pmLIS-LAS
17h 15m1 stop
$531Delta
Find Deal
Sat, Nov 15 - Thu, Nov 27
United Airlines Logo
11:53 am - 10:15 amLAS-LIS
14h 22m2 stops
United Airlines Logo
5:00 am - 11:52 pmLIS-LAS
26h 52m2 stops
$532United Airlines
Find Deal
Sat, Nov 15 - Wed, Nov 26
Delta Logo
7:25 am - 9:00 amLAS-LIS
17h 35m1 stop
Delta Logo
5:00 am - 2:15 pmLIS-LAS
17h 15m1 stop
$535Delta
Find Deal
Sat, Nov 15 - Sat, Nov 22
United Airlines Logo
5:55 am - 9:20 amLAS-LIS
19h 25m2 stops
United Airlines Logo
5:00 am - 10:20 pmLIS-LAS
25h 20m2 stops
$541United Airlines
Find Deal
Tue, Nov 18 - Tue, Nov 25
British Airways Logo
8:55 pm - 9:45 pmLAS-LIS
16h 50m1 stop
British Airways Logo
11:05 am - 9:59 pmLIS-LAS
18h 54m1 stop
$548British Airways
Find Deal
Sun, Jan 18 - Sun, Jan 25
British Airways Logo
8:55 pm - 9:55 amLAS-LIS
29h 00m1 stop
British Airways Logo
7:00 am - 6:50 pmLIS-LAS
19h 50m1 stop
$558British Airways
Find Deal
Wed, Nov 19 - Thu, Nov 27

Virgin Atlantic flights from Las Vegas to Portugal

Our best Virgin Atlantic deals on Las Vegas to Portugal flight tickets
Virgin Atlantic
Dec 1
LAS9:57 amLas Vegas Harry Reid Intl
15h 03m
1 stop
LIS9:00 amLisbon Humberto Delgado
Dec 14
LIS10:00 amLisbon Humberto Delgado
22h 20m
1 stop
LAS12:20 amLas Vegas Harry Reid Intl
$507
Find similar
Virgin Atlantic
Oct 28
LAS10:34 amLas Vegas Harry Reid Intl
14h 26m
1 stop
LIS8:00 amLisbon Humberto Delgado
Nov 5
LIS10:00 amLisbon Humberto Delgado
17h 32m
1 stop
LAS7:32 pmLas Vegas Harry Reid Intl
$551
Find similar

Air Canada flights from Las Vegas to Portugal

Our best Air Canada deals on Las Vegas to Portugal flight tickets
Air Canada
Dec 1
LAS7:23 amLas Vegas Harry Reid Intl
17h 57m
2 stops
LIS9:20 amLisbon Humberto Delgado
Dec 14
LIS10:50 amLisbon Humberto Delgado
17h 56m
2 stops
LAS8:46 pmLas Vegas Harry Reid Intl
$520
Find similar
Air Canada
Jan 8
LAS6:15 amLas Vegas Harry Reid Intl
19h 05m
2 stops
LIS9:20 amLisbon Humberto Delgado
Jan 16
LIS5:00 amLisbon Humberto Delgado
24h 44m
2 stops
LAS9:44 pmLas Vegas Harry Reid Intl
$528
Find similar
Air Canada
Feb 3
LAS9:10 amLas Vegas Harry Reid Intl
16h 10m
1 stop
LIS9:20 amLisbon Humberto Delgado
Feb 10
LIS6:10 amLisbon Humberto Delgado
23h 34m
2 stops
LAS9:44 pmLas Vegas Harry Reid Intl
$530
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated October 20, 2025.
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

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Sat 11/29

6:15 am-8:55 am

2 stops18h 40m

Lisbon Humberto Delgado

Sun 12/14

5:00 am-2:40 pm

1 stop17h 40m

$496

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Tue 11/18

6:15 am-9:20 am

2 stops19h 05m

Lisbon Humberto Delgado

Tue 11/25

5:00 am-5:57 pm

2 stops20h 57m

$501

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Mon 12/1

7:23 am-9:20 am

2 stops17h 57m

Lisbon Humberto Delgado

Sun 12/14

10:50 am-8:46 pm

2 stops17h 56m

$520

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Thu 1/8

6:15 am-9:20 am

2 stops19h 05m

Lisbon Humberto Delgado

Fri 1/16

5:00 am-9:44 pm

2 stops24h 44m

$528

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Sat 11/15

10:51 am-8:00 am

1 stop13h 09m

Lisbon Humberto Delgado

Thu 11/27

5:00 am-2:15 pm

1 stop17h 15m

$531

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Sat 11/15

11:53 am-10:15 am

2 stops14h 22m

Lisbon Humberto Delgado

Wed 11/26

5:00 am-11:52 pm

2 stops26h 52m

$532

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Sat 11/15

7:25 am-9:00 am

1 stop17h 35m

Lisbon Humberto Delgado

Sat 11/22

5:00 am-2:15 pm

1 stop17h 15m

$535

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Tue 11/18

5:55 am-9:20 am

2 stops19h 25m

Lisbon Humberto Delgado

Tue 11/25

5:00 am-10:20 pm

2 stops25h 20m

$541

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Sun 1/18

8:55 pm-9:45 pm

1 stop16h 50m

Lisbon Humberto Delgado

Sun 1/25

11:05 am-9:59 pm

1 stop18h 54m

$548

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Wed 11/19

8:55 pm-9:55 am

1 stop29h 00m

Lisbon Humberto Delgado

Thu 11/27

7:00 am-6:50 pm

1 stop19h 50m

$558

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Portugal from

How to get the cheapest flight ticket from Las Vegas to Portugal

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Portugal?

The cheapest month to fly to Portugal from Las Vegas is in November. Flight prices, which tend to average around $764, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Portugal from Las Vegas during February instead. Flights to Portugal in February, while not as cheap as those in November, still average around $798.

What is the cheapest day to depart on your flight to Portugal?

According to our data, Sunday is the cheapest day to fly to Portugal from Las Vegas. The lowest ticket price found for a Sunday departure recently was $909. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Portugal is Thursday, with ticket prices averaging around $1,234.

What is the cheapest time of day to depart on your flight to Portugal?

Our most recent data shows that the best time of day to fly to Portugal is at noon. Flights from Las Vegas to Portugal during this time can be as low as $948. In the evening is when there is more demand to fly to Portugal, so prices are often more expensive at around $1,234 per ticket.

How far in advance should I book a flight to Portugal?

You are more likely to see cheaper flights to Portugal from Las Vegas when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $981 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from Las Vegas for as low as $818 on momondo.

Can stopping save me money on Las Vegas to Portugal flights?

You could potentially save up to 16% on your flight if you consider stops on a Las Vegas to Portugal flight.

Cheap Las Vegas to Portugal flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Las Vegas to Portugal

Direct flights

None
There are no direct flights from Las Vegas to Portugal. There are no popular flight routes from Las Vegas to Portugal.
Search flight deals

  • When did momondo last update prices for flights from Las Vegas Harry Reid Intl Airport to Portugal?

    Prices for flights from Las Vegas Harry Reid Intl Airport to Portugal are refreshed on a daily basis.

  • How many operators does momondo search for flights from Las Vegas Harry Reid Intl Airport to Portugal?

  • How old do you have to be to fly from Las Vegas Harry Reid Intl Airport to Portugal?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Las Vegas Harry Reid Intl Airport to Portugal.

  • What documentation or ID do you need to fly to Portugal?

    The necessary travel and health documents for your Portugal trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Las Vegas to Portugal

Compare and see reviews for airlines that fly from Las Vegas to Portugal with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $576Free CancellationRating
7.1
10,334 reviews
Search Air Canada flights
KLMPriceFrom $597Free CancellationRating
7.7
1,404 reviews
Search KLM flights
United AirlinesPriceFrom $607Free CancellationRating
7.4
8,988 reviews
Search United Airlines flights
Air TransatPriceFrom $613Free CancellationRating
7.8
466 reviews
Search Air Transat flights
DeltaPriceFrom $641Free CancellationRating
7.9
7,977 reviews
Search Delta flights
Porter AirlinesPriceFrom $645Free CancellationRating
8.0
381 reviews
Search Porter Airlines flights
British AirwaysPriceFrom $665Free CancellationRating
6.7
7,461 reviews
Search British Airways flights
American AirlinesPriceFrom $740Free CancellationRating
7.2
11,024 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Las Vegas to Portugal?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Las Vegas to Portugal. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Las Vegas to Portugal with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Portugal from Las Vegas with this policy.

How can momondo help me find flights from Las Vegas to Portugal?

Once you have performed a search for Las Vegas to Portugal flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Las Vegas to Portugal right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Las Vegas to Portugal flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Portugal trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 11/19
Wed 11/26
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Portugal

Popular cities in Portugal

Popular flights according to clicks in the last 7 days on momondo
Flights to Lisbonfrom $351
Flights to Portofrom $343
Flights to Funchalfrom $415
Flights to Farofrom $422
Flights to Ponta Delgadafrom $400
Flights to Lajesfrom $484
Flights to Hortafrom $601
Flights to Pico Islandfrom $563
Flights to Porto Santofrom $883
Flights to Velasfrom $558