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Cheap flights from Portugal to Las Vegas from $433

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 6/13. 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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0 bags

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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
11:35 am - 11:42 am
LIS
-
LAS
32h 07m
1 stop
Air Transat Logo
11:15 pm - 9:35 am
LAS
-
LIS
26h 20m
1 stop
$664Air Transat
Tue, Sep 15 - Fri, Sep 25
Air Transat Logo
11:35 am - 10:17 pm
LIS
-
LAS
18h 42m
1 stop
Air Transat Logo
9:45 am - 9:35 am
LAS
-
LIS
15h 50m
1 stop
$697Air Transat
Fri, Sep 25 - Thu, Oct 1
Air Transat Logo
11:35 am - 10:17 pm
LIS
-
LAS
18h 42m
1 stop
Air Transat Logo
9:45 am - 9:35 am
LAS
-
LIS
15h 50m
1 stop
$703Air Transat
Fri, Sep 25 - Thu, Oct 1
Air Transat Logo
11:35 am - 10:17 pm
LIS
-
LAS
18h 42m
1 stop
Air Transat Logo
9:45 am - 9:35 am
LAS
-
LIS
15h 50m
1 stop
$704Air Transat
Fri, Sep 25 - Thu, Oct 1
Air Transat Logo
11:35 am - 10:17 pm
LIS
-
LAS
18h 42m
1 stop
Air Transat Logo
9:45 am - 9:35 am
LAS
-
LIS
15h 50m
1 stop
$705Air Transat
Fri, Sep 25 - Thu, Oct 1
Multiple Airlines Logo
11:35 am - 12:30 pm
LIS
-
LAS
32h 55m
2 stops
Multiple Airlines Logo
8:30 am - 6:30 am
LAS
-
LIS
38h 00m
3 stops
$721Multiple Airlines
Thu, Jun 4 - Sun, Jun 14
Multiple Airlines Logo
11:35 am - 10:17 pm
LIS
-
LAS
18h 42m
1 stop
Multiple Airlines Logo
8:30 am - 6:30 am
LAS
-
LIS
38h 00m
3 stops
$725Multiple Airlines
Fri, Jun 12 - Sun, Jun 14
Delta Logo
5:00 am - 7:43 pm
OPO
-
LAS
22h 43m
2 stops
Delta Logo
5:50 pm - 10:00 pm
LAS
-
OPO
20h 10m
1 stop
$903Delta
Mon, May 18 - Wed, Jun 3
KLM Logo
5:00 am - 4:00 pm
OPO
-
LAS
19h 00m
2 stops
KLM Logo
9:30 am - 10:20 am
LAS
-
OPO
16h 50m
1 stop
$906KLM
Wed, May 20 - Sat, May 30
KLM Logo
5:55 am - 3:35 pm
OPO
-
LAS
17h 40m
1 stop
KLM Logo
9:30 am - 10:20 am
LAS
-
OPO
16h 50m
1 stop
$908KLM
Wed, May 20 - Sat, May 30

Delta flights from Portugal to Las Vegas

Our best Delta deals on Portugal to Las Vegas flight tickets
Delta
May 18
OPO5:00 amPorto
22h 43m
2 stops
LAS7:43 pmLas Vegas Harry Reid Intl
Jun 3
LAS5:50 pmLas Vegas Harry Reid Intl
20h 10m
1 stop
OPO10:00 pmPorto
$903
Delta
Apr 26
LIS5:00 amLisbon Humberto Delgado
21h 35m
1 stop
LAS6:35 pmLas Vegas Harry Reid Intl
May 11
LAS5:50 pmLas Vegas Harry Reid Intl
16h 00m
1 stop
LIS5:50 pmLisbon Humberto Delgado
$906
Delta
Apr 26
LIS5:00 amLisbon Humberto Delgado
21h 06m
2 stops
LAS6:06 pmLas Vegas Harry Reid Intl
May 11
LAS5:50 pmLas Vegas Harry Reid Intl
16h 00m
1 stop
LIS5:50 pmLisbon Humberto Delgado
$911

KLM flights from Portugal to Las Vegas

Our best KLM deals on Portugal to Las Vegas flight tickets
KLM
May 20
OPO5:00 amPorto
19h 00m
2 stops
LAS4:00 pmLas Vegas Harry Reid Intl
May 30
LAS9:30 amLas Vegas Harry Reid Intl
16h 50m
1 stop
OPO10:20 amPorto
$906
KLM
May 20
OPO5:55 amPorto
17h 40m
1 stop
LAS3:35 pmLas Vegas Harry Reid Intl
May 30
LAS9:30 amLas Vegas Harry Reid Intl
16h 50m
1 stop
OPO10:20 amPorto
$908
KLM
May 4
OPO5:00 amPorto
21h 35m
1 stop
LAS6:35 pmLas Vegas Harry Reid Intl
May 13
LAS5:50 pmLas Vegas Harry Reid Intl
20h 10m
1 stop
OPO10:00 pmPorto
$919

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 April 4, 2026.
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

Cheapest round-trip

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Tue 9/15

11:35 am-11:42 am

1 stop32h 07m

Las Vegas Harry Reid Intl

Fri 9/25

11:15 pm-9:35 am

1 stop26h 20m

$664

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Fri 9/25

11:35 am-10:17 pm

1 stop18h 42m

Las Vegas Harry Reid Intl

Thu 10/1

9:45 am-9:35 am

1 stop15h 50m

$697

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Fri 9/25

11:35 am-10:17 pm

1 stop18h 42m

Las Vegas Harry Reid Intl

Thu 10/1

9:45 am-9:35 am

1 stop15h 50m

$703

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Fri 9/25

11:35 am-10:17 pm

1 stop18h 42m

Las Vegas Harry Reid Intl

Thu 10/1

9:45 am-9:35 am

1 stop15h 50m

$704

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Fri 9/25

11:35 am-10:17 pm

1 stop18h 42m

Las Vegas Harry Reid Intl

Thu 10/1

9:45 am-9:35 am

1 stop15h 50m

$705

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Thu 6/4

11:35 am-12:30 pm

2 stops32h 55m

Las Vegas Harry Reid Intl

Sun 6/14

8:30 am-6:30 am

3 stops38h 00m

$721

LisbonLas Vegas

LIS - LAS

LISLAS

Lisbon Humberto Delgado

Fri 6/12

11:35 am-10:17 pm

1 stop18h 42m

Las Vegas Harry Reid Intl

Sun 6/14

8:30 am-6:30 am

3 stops38h 00m

$725

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Mon 5/18

5:00 am-7:43 pm

2 stops22h 43m

Las Vegas Harry Reid Intl

Wed 6/3

5:50 pm-10:00 pm

1 stop20h 10m

$903

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Wed 5/20

5:00 am-4:00 pm

2 stops19h 00m

Las Vegas Harry Reid Intl

Sat 5/30

9:30 am-10:20 am

1 stop16h 50m

$906
Quickest round-trip

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Wed 5/20

5:55 am-3:35 pm

1 stop17h 40m

Las Vegas Harry Reid Intl

Sat 5/30

9:30 am-10:20 am

1 stop16h 50m

$908

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 $771. The month of February is another great option to travel to Las Vegas, with average flight prices from Portugal averaging around $898.

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 $972 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 $741 on momondo.

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

You could potentially save up to 31% 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

Fastest flight time

16h 47m

Direct flights

None
The fastest flight from Portugal to Las Vegas takes 16h 47m
There are no direct flights from Portugal to Las Vegas. There are no popular flight routes from Portugal to Las Vegas.
Search flight deals

Frequently asked questions about flying from Portugal to Las Vegas

  • 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
DeltaPriceFrom $714Free CancellationRating
7.9
8,385 reviews
Search Delta 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
Paradise
Mesquite
North Las Vegas
Kingman
Pahrump
Furnace Creek
Primm
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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