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Cheap flights from Las Vegas to Portugal from $296

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 8/5. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Las Vegas to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
11:50 pm - 9:20 am
LAS
-
LIS
25h 30m
1 stop
Air Canada Logo
11:20 am - 10:47 pm
LIS
-
LAS
19h 27m
1 stop
$721Air Canada
Sat, Nov 14 - Wed, Nov 18
Multiple Airlines Logo
12:20 pm - 8:55 am
LAS
-
LIS
12h 35m
1 stop
Multiple Airlines Logo
5:00 am - 9:40 pm
LIS
-
LAS
24h 40m
2 stops
$726Multiple Airlines
Wed, Nov 11 - Wed, Nov 18
Multiple Airlines Logo
11:50 pm - 9:20 am
LAS
-
LIS
25h 30m
1 stop
Multiple Airlines Logo
11:20 am - 11:22 am
LIS
-
LAS
32h 02m
1 stop
$730Multiple Airlines
Sun, Nov 1 - Wed, Nov 18
Air Transat Logo
11:35 pm - 6:45 am
LAS
-
LIS
23h 10m
1 stop
Air Transat Logo
8:35 am - 1:37 pm
LIS
-
LAS
37h 02m
1 stop
$731Air Transat
Fri, Jan 15 - Fri, Jan 22
United Airlines Logo
6:00 am - 8:10 am
LAS
-
LIS
18h 10m
2 stops
United Airlines Logo
5:00 am - 2:35 pm
LIS
-
LAS
17h 35m
1 stop
$743United Airlines
Wed, Nov 25 - Thu, Dec 3
Air Transat Logo
2:35 pm - 6:45 am
LAS
-
LIS
32h 10m
1 stop
Air Transat Logo
9:00 am - 1:37 pm
LIS
-
LAS
36h 37m
1 stop
$744Air Transat
Wed, Nov 25 - Thu, Dec 3
United Airlines Logo
6:00 am - 8:10 am
LAS
-
LIS
18h 10m
2 stops
United Airlines Logo
5:00 am - 2:35 pm
LIS
-
LAS
17h 35m
1 stop
$747United Airlines
Wed, Nov 25 - Thu, Dec 3
KLM Logo
8:43 am - 1:50 pm
LAS
-
FAO
21h 07m
2 stops
KLM Logo
6:50 pm - 4:11 pm
FAO
-
LAS
29h 21m
2 stops
$819KLM
Sun, Nov 1 - Sun, Nov 8
British Airways Logo
11:16 pm - 10:10 am
LAS
-
FNC
27h 54m
2 stops
British Airways Logo
12:10 pm - 9:58 pm
FNC
-
LAS
41h 48m
2 stops
$942British Airways
Thu, Oct 29 - Fri, Nov 6
KLM Logo
11:00 am - 7:30 pm
LAS
-
FAO
24h 30m
2 stops
KLM Logo
8:50 am - 6:35 pm
FAO
-
LAS
17h 45m
1 stop
$966KLM
Wed, Sep 2 - Wed, Sep 9

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SWISS flights from Las Vegas to Portugal

Our best SWISS deals on Las Vegas to Portugal flight tickets
SWISS
Sep 23
LAS7:20 pmLas Vegas Harry Reid Intl
20h 05m
1 stop
LIS11:25 pmLisbon Humberto Delgado
Sep 30
LIS5:55 amLisbon Humberto Delgado
17h 55m
1 stop
LAS3:50 pmLas Vegas Harry Reid Intl
$806
SWISS
Sep 23
LAS7:20 pmLas Vegas Harry Reid Intl
14h 20m
1 stop
FAO5:40 pmFaro
Sep 28
FAO9:10 amFaro
45h 03m
2 stops
LAS10:13 pmLas Vegas Harry Reid Intl
$941
SWISS
Sep 22
LAS7:15 amLas Vegas Harry Reid Intl
27h 05m
2 stops
FAO6:20 pmFaro
Sep 28
FAO9:10 amFaro
40h 39m
2 stops
LAS5:49 pmLas Vegas Harry Reid Intl
$946

Air Canada flights from Las Vegas to Portugal

Our best Air Canada deals on Las Vegas to Portugal flight tickets
Air Canada
Nov 14
LAS11:50 pmLas Vegas Harry Reid Intl
25h 30m
1 stop
LIS9:20 amLisbon Humberto Delgado
Nov 18
LIS11:20 amLisbon Humberto Delgado
19h 27m
1 stop
LAS10:47 pmLas Vegas Harry Reid Intl
$721
Air Canada
Nov 1
LAS7:20 amLas Vegas Harry Reid Intl
18h 00m
2 stops
LIS9:20 amLisbon Humberto Delgado
Nov 18
LIS5:00 amLisbon Humberto Delgado
24h 40m
2 stops
LAS9:40 pmLas Vegas Harry Reid Intl
$751
Air Canada
Oct 14
LAS6:50 amLas Vegas Harry Reid Intl
18h 30m
2 stops
LIS9:20 amLisbon Humberto Delgado
Oct 27
LIS11:20 amLisbon Humberto Delgado
31h 06m
2 stops
LAS11:26 amLas Vegas Harry Reid Intl
$785

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 July 24, 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

Sat 11/14

11:50 pm-9:20 am

1 stop25h 30m

Lisbon Humberto Delgado

Wed 11/18

11:20 am-10:47 pm

1 stop19h 27m

$721

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Wed 11/11

12:20 pm-8:55 am

1 stop12h 35m

Lisbon Humberto Delgado

Wed 11/18

5:00 am-9:40 pm

2 stops24h 40m

$726

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Sun 11/1

11:50 pm-9:20 am

1 stop25h 30m

Lisbon Humberto Delgado

Wed 11/18

11:20 am-11:22 am

1 stop32h 02m

$730

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Fri 1/15

11:35 pm-6:45 am

1 stop23h 10m

Lisbon Humberto Delgado

Fri 1/22

8:35 am-1:37 pm

1 stop37h 02m

$731
Quickest round-trip

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Wed 11/25

6:00 am-8:10 am

2 stops18h 10m

Lisbon Humberto Delgado

Thu 12/3

5:00 am-2:35 pm

1 stop17h 35m

$743

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Wed 11/25

2:35 pm-6:45 am

1 stop32h 10m

Lisbon Humberto Delgado

Thu 12/3

9:00 am-1:37 pm

1 stop36h 37m

$744

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

Wed 11/25

6:00 am-8:10 am

2 stops18h 10m

Lisbon Humberto Delgado

Thu 12/3

5:00 am-2:35 pm

1 stop17h 35m

$747

Las VegasFaro

LAS - FAO

LASFAO

Las Vegas Harry Reid Intl

Sun 11/1

8:43 am-1:50 pm

2 stops21h 07m

Faro

Sun 11/8

6:50 pm-4:11 pm

2 stops29h 21m

$819

Las VegasFunchal

LAS - FNC

LASFNC

Las Vegas Harry Reid Intl

Thu 10/29

11:16 pm-10:10 am

2 stops27h 54m

Funchal Madeira

Fri 11/6

12:10 pm-9:58 pm

2 stops41h 48m

$942

Las VegasFaro

LAS - FAO

LASFAO

Las Vegas Harry Reid Intl

Wed 9/2

11:00 am-7:30 pm

2 stops24h 30m

Faro

Wed 9/9

8:50 am-6:35 pm

1 stop17h 45m

$966

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 $632, 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 $775.

How far in advance should I book a flight from Las Vegas 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 $949 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 $698 on momondo.

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

You could potentially save up to 22% 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

13h 30m

Direct flights

None
The fastest flight from Las Vegas to Portugal takes 13h 30m
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
KLMPriceFrom $485Free CancellationRating
7.8
1,545 reviews
Search KLM flights
Air FrancePriceFrom $493Free CancellationRating
7.5
1,626 reviews
Search Air France flights
DeltaPriceFrom $498Free CancellationRating
7.8
8,482 reviews
Search Delta flights
United AirlinesPriceFrom $503Free CancellationRating
7.4
10,032 reviews
Search United Airlines flights
Air CanadaPriceFrom $504Free CancellationRating
7.1
11,383 reviews
Search Air Canada flights
British AirwaysPriceFrom $505Free CancellationRating
6.7
8,132 reviews
Search British Airways flights
Air TransatPriceFrom $682Free CancellationRating
7.8
566 reviews
Search Air Transat 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.

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Find better results for your trip to Portugal

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