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Cheap flights from Las Vegas to Portugal from $395

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 6/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Las Vegas to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
11:36 pm - 9:00 am
LAS
-
LIS
49h 24m
2 stops
Scandinavian Airlines Logo
9:15 pm - 9:55 pm
LIS
-
LAS
32h 40m
2 stops
$812Scandinavian Airlines
Thu, Oct 1 - Tue, Oct 13
Multiple Airlines Logo
11:31 am - 10:45 am
LAS
-
LIS
15h 14m
1 stop
Multiple Airlines Logo
7:45 pm - 6:35 pm
LIS
-
LAS
30h 50m
1 stop
$817Multiple Airlines
Tue, May 5 - Mon, May 11
KLM Logo
7:00 am - 8:00 am
LAS
-
LIS
17h 00m
1 stop
KLM Logo
7:45 pm - 6:35 pm
LIS
-
LAS
30h 50m
1 stop
$818KLM
Tue, May 5 - Thu, May 14
Delta Logo
11:02 am - 2:55 pm
LAS
-
LIS
19h 53m
2 stops
Delta Logo
5:00 am - 6:35 pm
LIS
-
LAS
21h 35m
1 stop
$823Delta
Tue, May 5 - Sun, May 10
Delta Logo
11:31 am - 10:45 am
LAS
-
LIS
15h 14m
1 stop
Delta Logo
5:35 am - 3:35 pm
LIS
-
LAS
18h 00m
1 stop
$824Delta
Tue, May 5 - Wed, May 13
Delta Logo
9:21 am - 8:00 am
LAS
-
LIS
14h 39m
1 stop
Delta Logo
5:00 am - 6:07 pm
LIS
-
LAS
21h 07m
2 stops
$827Delta
Tue, May 5 - Thu, May 14
KLM Logo
8:25 pm - 8:00 am
LAS
-
FAO
27h 35m
1 stop
KLM Logo
8:20 pm - 6:35 pm
FAO
-
LAS
30h 15m
1 stop
$1,012KLM
Wed, Sep 16 - Wed, Sep 30
British Airways Logo
7:45 pm - 7:05 pm
LAS
-
FAO
39h 20m
2 stops
British Airways Logo
8:00 pm - 8:56 pm
FAO
-
LAS
32h 56m
2 stops
$1,074British Airways
Wed, Sep 16 - Wed, Sep 30
British Airways Logo
5:20 pm - 7:05 pm
LAS
-
FAO
17h 45m
1 stop
British Airways Logo
10:55 am - 8:00 pm
FAO
-
LAS
17h 05m
1 stop
$1,088British Airways
Fri, May 15 - Fri, May 22
Iberia Logo
8:00 am - 12:25 pm
LAS
-
FNC
20h 25m
2 stops
Iberia Logo
11:20 am - 10:55 pm
FNC
-
LAS
43h 35m
2 stops
$1,342Iberia
Wed, Jun 10 - Sun, Jun 14

Delta flights from Las Vegas to Portugal

Our best Delta deals on Las Vegas to Portugal flight tickets
Delta
Apr 20
LAS5:50 pmLas Vegas Harry Reid Intl
16h 00m
1 stop
LIS5:50 pmLisbon Humberto Delgado
May 6
LIS5:00 amLisbon Humberto Delgado
21h 35m
1 stop
LAS6:35 pmLas Vegas Harry Reid Intl
$768
Delta
Apr 20
LAS9:23 amLas Vegas Harry Reid Intl
21h 12m
2 stops
LIS2:35 pmLisbon Humberto Delgado
May 6
LIS11:55 amLisbon Humberto Delgado
14h 40m
1 stop
LAS6:35 pmLas Vegas Harry Reid Intl
$777
Delta
Apr 20
LAS9:23 amLas Vegas Harry Reid Intl
17h 32m
2 stops
LIS10:55 amLisbon Humberto Delgado
May 6
LIS5:00 amLisbon Humberto Delgado
18h 35m
2 stops
LAS3:35 pmLas Vegas Harry Reid Intl
$787

United Airlines flights from Las Vegas to Portugal

Our best United Airlines deals on Las Vegas to Portugal flight tickets
United Airlines
May 3
LAS11:40 pmLas Vegas Harry Reid Intl
26h 50m
1 stop
LIS10:30 amLisbon Humberto Delgado
May 14
LIS12:20 pmLisbon Humberto Delgado
17h 53m
1 stop
LAS10:13 pmLas Vegas Harry Reid Intl
$844
United Airlines
May 3
LAS11:40 pmLas Vegas Harry Reid Intl
26h 50m
1 stop
LIS10:30 amLisbon Humberto Delgado
May 12
LIS12:20 pmLisbon Humberto Delgado
17h 44m
2 stops
LAS10:04 pmLas Vegas Harry Reid Intl
$848
United Airlines
Jul 27
LAS12:36 amLas Vegas Harry Reid Intl
24h 44m
2 stops
LIS9:20 amLisbon Humberto Delgado
Sep 9
LIS1:00 pmLisbon Humberto Delgado
30h 06m
2 stops
LAS11:06 amLas Vegas Harry Reid Intl
$849

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 April 19, 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

Thu 10/1

11:36 pm-9:00 am

2 stops49h 24m

Lisbon Humberto Delgado

Tue 10/13

9:15 pm-9:55 pm

2 stops32h 40m

$812

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Tue 5/5

11:31 am-10:45 am

1 stop15h 14m

Lisbon Humberto Delgado

Mon 5/11

7:45 pm-6:35 pm

1 stop30h 50m

$817

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Tue 5/5

7:00 am-8:00 am

1 stop17h 00m

Lisbon Humberto Delgado

Thu 5/14

7:45 pm-6:35 pm

1 stop30h 50m

$818

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Tue 5/5

11:02 am-2:55 pm

2 stops19h 53m

Lisbon Humberto Delgado

Sun 5/10

5:00 am-6:35 pm

1 stop21h 35m

$823
Quickest round-trip

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Tue 5/5

11:31 am-10:45 am

1 stop15h 14m

Lisbon Humberto Delgado

Wed 5/13

5:35 am-3:35 pm

1 stop18h 00m

$824

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Tue 5/5

9:21 am-8:00 am

1 stop14h 39m

Lisbon Humberto Delgado

Thu 5/14

5:00 am-6:07 pm

2 stops21h 07m

$827

Las VegasFaro

LAS - FAO

LASFAO

Las Vegas Harry Reid Intl

Wed 9/16

8:25 pm-8:00 am

1 stop27h 35m

Faro

Wed 9/30

8:20 pm-6:35 pm

1 stop30h 15m

$1,012

Las VegasFaro

LAS - FAO

LASFAO

Las Vegas Harry Reid Intl

Wed 9/16

7:45 pm-7:05 pm

2 stops39h 20m

Faro

Wed 9/30

8:00 pm-8:56 pm

2 stops32h 56m

$1,074

Las VegasFaro

LAS - FAO

LASFAO

Las Vegas Harry Reid Intl

Fri 5/15

5:20 pm-7:05 pm

1 stop17h 45m

Faro

Fri 5/22

10:55 am-8:00 pm

1 stop17h 05m

$1,088

Las VegasFunchal

LAS - FNC

LASFNC

Las Vegas Harry Reid Intl

Wed 6/10

8:00 am-12:25 pm

2 stops20h 25m

Funchal Madeira

Sun 6/14

11:20 am-10:55 pm

2 stops43h 35m

$1,342

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 April. Flight prices, which tend to average around $631, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of April, then book flights to Portugal from Las Vegas during February instead. Flights to Portugal in February, while not as cheap as those in April, still average around $648.

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 $897 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 $644 on momondo.

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

You could potentially save up to 24% 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

Fastest flight time

14h 20m

Direct flights

None
The fastest flight from Las Vegas to Portugal takes 14h 20m
There are no direct flights from Las Vegas to Portugal. There are no popular flight routes from Las Vegas to Portugal.
Search flight deals

Frequently asked questions about flying from Las Vegas to Portugal

  • 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 FrancePriceFrom $493Free CancellationRating
7.4
1,576 reviews
Search Air France flights
DeltaPriceFrom $498Free CancellationRating
7.9
8,422 reviews
Search Delta flights
United AirlinesPriceFrom $503Free CancellationRating
7.4
9,607 reviews
Search United Airlines flights
British AirwaysPriceFrom $505Free CancellationRating
6.7
7,895 reviews
Search British Airways flights
Porter AirlinesPriceFrom $666Free CancellationRating
8.0
435 reviews
Search Porter Airlines flights
Air CanadaPriceFrom $677Free CancellationRating
7.1
10,943 reviews
Search Air Canada flights
Air TransatPriceFrom $682Free CancellationRating
7.7
536 reviews
Search Air Transat flights
KLMPriceFrom $815Free CancellationRating
7.8
1,501 reviews
Search KLM 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

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Find better results for your trip to Portugal

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Popular flights according to clicks in the last 7 days on momondo
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