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Cheap flights from Portugal to Las Vegas from $425

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portugal to Las Vegas departing on 4/11. 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 Portugal to Las Vegas

Recent round-trip flight deals from Portugal to Las Vegas

Enter your travel dates to find the best prices.
Air Transat Logo
8:35 am - 10:02 pmLIS-LAS
21h 27m1 stop
Air Transat Logo
11:05 pm - 6:45 amLAS-LIS
23h 40m1 stop
$602Air Transat
Find Deal
Sun, Feb 8 - Fri, Feb 20
Air Transat Logo
11:35 am - 8:50 amLIS-LAS
29h 15m1 stop
Air Transat Logo
9:55 am - 9:35 amLAS-LIS
15h 40m1 stop
$638Air Transat
Find Deal
Thu, May 7 - Wed, May 13
Air Transat Logo
9:00 am - 10:02 pmLIS-LAS
21h 02m1 stop
Air Transat Logo
11:05 pm - 6:45 amLAS-LIS
23h 40m1 stop
$659Air Transat
Find Deal
Fri, Feb 27 - Mon, Mar 2
Multiple Airlines Logo
9:25 am - 10:12 pmLIS-LAS
20h 47m2 stops
Multiple Airlines Logo
11:25 pm - 6:45 amLAS-LIS
23h 20m1 stop
$685Multiple Airlines
Find Deal
Mon, Feb 9 - Fri, Feb 20
Scandinavian Airlines Logo
5:20 pm - 8:55 pmLIS-LAS
35h 35m2 stops
Scandinavian Airlines Logo
9:32 am - 8:55 amLAS-LIS
39h 23m2 stops
$696Scandinavian Airlines
Find Deal
Mon, Feb 9 - Fri, Feb 20
Multiple Airlines Logo
9:05 am - 10:15 amLIS-LAS
33h 10m2 stops
Multiple Airlines Logo
11:25 pm - 6:45 amLAS-LIS
23h 20m1 stop
$714Multiple Airlines
Find Deal
Tue, Jan 13 - Fri, Jan 23
Scandinavian Airlines Logo
4:55 pm - 8:48 pmLIS-LAS
35h 53m2 stops
Scandinavian Airlines Logo
9:39 am - 4:05 pmLAS-LIS
46h 26m2 stops
$721Scandinavian Airlines
Find Deal
Sun, Jan 11 - Fri, Jan 16
Delta Logo
6:35 am - 2:15 pmOPO-LAS
15h 40m1 stop
Delta Logo
6:15 am - 10:30 amLAS-OPO
20h 15m2 stops
$877Delta
Find Deal
Thu, Feb 12 - Sat, Feb 28
American Airlines Logo
4:40 pm - 8:10 amOPO-LAS
23h 30m2 stops
American Airlines Logo
8:55 pm - 11:45 amLAS-OPO
30h 50m2 stops
$880American Airlines
Find Deal
Wed, Feb 18 - Sun, Feb 22
Delta Logo
5:00 am - 7:12 pmOPO-LAS
22h 12m2 stops
Delta Logo
5:50 pm - 3:30 pmLAS-OPO
13h 40m1 stop
$882Delta
Find Deal
Mon, May 4 - Wed, May 13

Air Canada flights from Portugal to Las Vegas

Our best Air Canada deals on Portugal to Las Vegas flight tickets
Air Canada
Feb 3
OPO6:00 amPorto
24h 31m
2 stops
LAS10:31 pmLas Vegas Harry Reid Intl
Feb 6
LAS4:45 pmLas Vegas Harry Reid Intl
38h 20m
2 stops
OPO3:05 pmPorto
$952
Find similar
Air Canada
Nov 17
LIS11:20 amLisbon Humberto Delgado
41h 29m
2 stops
LAS8:49 pmLas Vegas Harry Reid Intl
Nov 21
LAS4:45 pmLas Vegas Harry Reid Intl
32h 10m
2 stops
LIS8:55 amLisbon Humberto Delgado
$1,095
Find similar
Air Canada
Nov 13
LIS10:55 amLisbon Humberto Delgado
17h 54m
1 stop
LAS8:49 pmLas Vegas Harry Reid Intl
Nov 20
LAS9:10 amLas Vegas Harry Reid Intl
16h 10m
1 stop
LIS9:20 amLisbon Humberto Delgado
$1,173
Find similar

Scandinavian Airlines flights from Portugal to Las Vegas

Our best Scandinavian Airlines deals on Portugal to Las Vegas flight tickets
Scandinavian Airlines
Feb 9
LIS5:20 pmLisbon Humberto Delgado
35h 35m
2 stops
LAS8:55 pmLas Vegas Harry Reid Intl
Feb 20
LAS9:32 amLas Vegas Harry Reid Intl
39h 23m
2 stops
LIS8:55 amLisbon Humberto Delgado
$696
Find similar
Scandinavian Airlines
Jan 11
LIS4:55 pmLisbon Humberto Delgado
35h 53m
2 stops
LAS8:48 pmLas Vegas Harry Reid Intl
Jan 16
LAS9:39 amLas Vegas Harry Reid Intl
46h 26m
2 stops
LIS4:05 pmLisbon Humberto Delgado
$721
Find similar
Scandinavian Airlines
Jan 11
LIS4:55 pmLisbon Humberto Delgado
35h 53m
2 stops
LAS8:48 pmLas Vegas Harry Reid Intl
Jan 16
LAS9:39 amLas Vegas Harry Reid Intl
46h 26m
2 stops
LIS4:05 pmLisbon Humberto Delgado
$722
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portugal to Las Vegas 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 November 12, 2025.
Use the filters below to find and compare flights from Portugal to Las Vegas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Sun 2/8

8:35 am-10:02 pm

1 stop21h 27m

Las Vegas Harry Reid Intl

Fri 2/20

11:05 pm-6:45 am

1 stop23h 40m

$602

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Thu 5/7

11:35 am-8:50 am

1 stop29h 15m

Las Vegas Harry Reid Intl

Wed 5/13

9:55 am-9:35 am

1 stop15h 40m

$638

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Fri 2/27

9:00 am-10:02 pm

1 stop21h 02m

Las Vegas Harry Reid Intl

Mon 3/2

11:05 pm-6:45 am

1 stop23h 40m

$659

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Mon 2/9

9:25 am-10:12 pm

2 stops20h 47m

Las Vegas Harry Reid Intl

Fri 2/20

11:25 pm-6:45 am

1 stop23h 20m

$685

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Mon 2/9

5:20 pm-8:55 pm

2 stops35h 35m

Las Vegas Harry Reid Intl

Fri 2/20

9:32 am-8:55 am

2 stops39h 23m

$696

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Tue 1/13

9:05 am-10:15 am

2 stops33h 10m

Las Vegas Harry Reid Intl

Fri 1/23

11:25 pm-6:45 am

1 stop23h 20m

$714

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Sun 1/11

4:55 pm-8:48 pm

2 stops35h 53m

Las Vegas Harry Reid Intl

Fri 1/16

9:39 am-4:05 pm

2 stops46h 26m

$721

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Thu 2/12

6:35 am-2:15 pm

1 stop15h 40m

Las Vegas Harry Reid Intl

Sat 2/28

6:15 am-10:30 am

2 stops20h 15m

$877

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Wed 2/18

4:40 pm-8:10 am

2 stops23h 30m

Las Vegas Harry Reid Intl

Sun 2/22

8:55 pm-11:45 am

2 stops30h 50m

$880

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Mon 5/4

5:00 am-7:12 pm

2 stops22h 12m

Las Vegas Harry Reid Intl

Wed 5/13

5:50 pm-3:30 pm

1 stop13h 40m

$882

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 Las Vegas from

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

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 Las Vegas?

The month of September is, on average, the cheapest month to fly to Las Vegas from Portugal, with most prices found around $774. The month of February is another great option to travel to Las Vegas, with average flight prices from Portugal averaging around $776.

What is the cheapest day to depart on your flight to Las Vegas?

Our data shows that Tuesday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $808. Flights from Portugal to Las Vegas on a Sunday will generally be more expensive and average around $1,105. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

How far in advance should I book a flight to Las Vegas?

You are more likely to see cheaper flights to Las Vegas from Portugal when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $937 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from Portugal for as low as $823 on momondo.

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

You could potentially save up to 36% on your flight if you consider stops on a Portugal to Las Vegas flight.

Cheap Portugal to Las Vegas flight deals and tips

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

Direct flights

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

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

    Prices for flights from Portugal to Las Vegas Harry Reid Intl Airport are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portugal to Las Vegas Harry Reid Intl Airport.

  • What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?

    The necessary travel and health documents for your Las Vegas Harry Reid Intl Airport 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 Portugal to Las Vegas

Compare and see reviews for airlines that fly from Portugal to Las Vegas with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $704Free CancellationRating
6.7
7,513 reviews
Search British Airways flights
DeltaPriceFrom $714Free CancellationRating
7.9
8,010 reviews
Search Delta flights
American AirlinesPriceFrom $733Free CancellationRating
7.2
11,048 reviews
Search American Airlines flights

Traveling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Laughlin
Mount Charleston
Henderson
Mesquite
Paradise
North Las Vegas
Kingman
Pahrump
Primm
Furnace Creek
Boulder City
Sunrise Manor
Winchester
Needles

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Portugal to Las Vegas for you.

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

Yes. All flights to Las Vegas from Portugal on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Portugal to Las Vegas flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Las Vegas, momondo offers a useful price alert feature which will track prices for flights to Las Vegas from Portugal and alert you when they change.

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