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Cheap flights from Las Vegas to Portugal from $320

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 4/16. 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

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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.
Multiple Airlines Logo
5:20 pm - 3:45 pm
LAS
-
LIS
14h 25m
1 stop
Multiple Airlines Logo
12:30 pm - 10:45 pm
LIS
-
LAS
18h 15m
2 stops
$514Multiple Airlines
lun., abr. 13 - lun., abr. 20
Delta Logo
7:00 am - 8:00 am
LAS
-
LIS
17h 00m
1 stop
Delta Logo
5:00 am - 11:37 pm
LIS
-
LAS
26h 37m
2 stops
$517Delta
mar., abr. 14 - mar., abr. 21
Delta Logo
9:50 am - 5:50 pm
LAS
-
LIS
24h 00m
2 stops
Delta Logo
5:35 am - 3:35 pm
LIS
-
LAS
18h 00m
1 stop
$519Delta
lun., abr. 13 - mié., abr. 22
American Airlines Logo
5:20 pm - 11:10 pm
LAS
-
LIS
21h 50m
1 stop
American Airlines Logo
11:05 am - 10:18 pm
LIS
-
LAS
19h 13m
1 stop
$520American Airlines
lun., abr. 13 - jue., abr. 23
Delta Logo
10:25 am - 5:50 pm
LAS
-
LIS
23h 25m
2 stops
Delta Logo
5:00 am - 11:37 pm
LIS
-
LAS
26h 37m
2 stops
$521Delta
lun., abr. 13 - mar., abr. 21
Iberia Logo
8:54 am - 12:25 pm
LAS
-
FNC
19h 31m
2 stops
Iberia Logo
1:35 pm - 7:48 pm
FNC
-
LAS
38h 13m
2 stops
$541Iberia
mié., abr. 15 - mié., abr. 22
British Airways Logo
6:00 am - 12:20 pm
LAS
-
FNC
46h 20m
2 stops
British Airways Logo
12:20 pm - 2:55 pm
FNC
-
LAS
34h 35m
1 stop
$641British Airways
mié., abr. 15 - mié., abr. 22
British Airways Logo
10:10 pm - 12:20 pm
LAS
-
FNC
30h 10m
1 stop
British Airways Logo
12:20 pm - 2:55 pm
FNC
-
LAS
34h 35m
1 stop
$681British Airways
mié., abr. 15 - mié., abr. 22
KLM Logo
8:25 pm - 9:10 am
LAS
-
FNC
28h 45m
1 stop
KLM Logo
6:40 pm - 5:57 pm
FNC
-
LAS
31h 17m
2 stops
$757KLM
dom., abr. 19 - dom., abr. 26
KLM Logo
10:00 pm - 9:10 am
LAS
-
FNC
27h 10m
2 stops
KLM Logo
6:40 pm - 5:57 pm
FNC
-
LAS
31h 17m
2 stops
$830KLM
dom., abr. 19 - dom., abr. 26

KLM flights from Las Vegas to Portugal

Our best KLM deals on Las Vegas to Portugal flight tickets
KLM
Apr 8
LAS8:25 pmLas Vegas Harry Reid Intl
18h 25m
1 stop
LIS10:50 pmLisbon Humberto Delgado
Apr 17
LIS10:00 amLisbon Humberto Delgado
22h 24m
1 stop
LAS12:24 amLas Vegas Harry Reid Intl
$533
KLM
Apr 1
LAS8:25 pmLas Vegas Harry Reid Intl
30h 30m
1 stop
LIS10:55 amLisbon Humberto Delgado
Apr 15
LIS10:00 amLisbon Humberto Delgado
19h 57m
1 stop
LAS9:57 pmLas Vegas Harry Reid Intl
$613
KLM
Mar 18
LAS9:45 amLas Vegas Harry Reid Intl
17h 50m
2 stops
LIS10:35 amLisbon Humberto Delgado
Mar 30
LIS7:45 pmLisbon Humberto Delgado
30h 50m
1 stop
LAS6:35 pmLas Vegas Harry Reid Intl
$733

Delta flights from Las Vegas to Portugal

Our best Delta deals on Las Vegas to Portugal flight tickets
Delta
Apr 14
LAS7:00 amLas Vegas Harry Reid Intl
17h 00m
1 stop
LIS8:00 amLisbon Humberto Delgado
Apr 21
LIS5:00 amLisbon Humberto Delgado
26h 37m
2 stops
LAS11:37 pmLas Vegas Harry Reid Intl
$517
Delta
Apr 13
LAS9:50 amLas Vegas Harry Reid Intl
24h 00m
2 stops
LIS5:50 pmLisbon Humberto Delgado
Apr 22
LIS5:35 amLisbon Humberto Delgado
18h 00m
1 stop
LAS3:35 pmLas Vegas Harry Reid Intl
$519
Delta
Apr 13
LAS10:25 amLas Vegas Harry Reid Intl
23h 25m
2 stops
LIS5:50 pmLisbon Humberto Delgado
Apr 21
LIS5:00 amLisbon Humberto Delgado
26h 37m
2 stops
LAS11:37 pmLas Vegas Harry Reid Intl
$521

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 marzo 6, 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
Quickest round-trip

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

lun. 4/13

5:20 pm-3:45 pm

1 stop14h 25m

Lisbon Humberto Delgado

lun. 4/20

12:30 pm-10:45 pm

2 stops18h 15m

$514

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

mar. 4/14

7:00 am-8:00 am

1 stop17h 00m

Lisbon Humberto Delgado

mar. 4/21

5:00 am-11:37 pm

2 stops26h 37m

$517

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

lun. 4/13

9:50 am-5:50 pm

2 stops24h 00m

Lisbon Humberto Delgado

mié. 4/22

5:35 am-3:35 pm

1 stop18h 00m

$519

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

lun. 4/13

5:20 pm-11:10 pm

1 stop21h 50m

Lisbon Humberto Delgado

jue. 4/23

11:05 am-10:18 pm

1 stop19h 13m

$520

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

lun. 4/13

10:25 am-5:50 pm

2 stops23h 25m

Lisbon Humberto Delgado

mar. 4/21

5:00 am-11:37 pm

2 stops26h 37m

$521

Las VegasFunchal

LAS - FNC

LASFNC

Las Vegas Harry Reid Intl

mié. 4/15

8:54 am-12:25 pm

2 stops19h 31m

Funchal Madeira

mié. 4/22

1:35 pm-7:48 pm

2 stops38h 13m

$541

Las VegasFunchal

LAS - FNC

LASFNC

Las Vegas Harry Reid Intl

mié. 4/15

6:00 am-12:20 pm

2 stops46h 20m

Funchal Madeira

mié. 4/22

12:20 pm-2:55 pm

1 stop34h 35m

$641

Las VegasFunchal

LAS - FNC

LASFNC

Las Vegas Harry Reid Intl

mié. 4/15

10:10 pm-12:20 pm

1 stop30h 10m

Funchal Madeira

mié. 4/22

12:20 pm-2:55 pm

1 stop34h 35m

$681

Las VegasFunchal

LAS - FNC

LASFNC

Las Vegas Harry Reid Intl

dom. 4/19

8:25 pm-9:10 am

1 stop28h 45m

Funchal Madeira

dom. 4/26

6:40 pm-5:57 pm

2 stops31h 17m

$757

Las VegasFunchal

LAS - FNC

LASFNC

Las Vegas Harry Reid Intl

dom. 4/19

10:00 pm-9:10 am

2 stops27h 10m

Funchal Madeira

dom. 4/26

6:40 pm-5:57 pm

2 stops31h 17m

$830

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 December. Flight prices, which tend to average around $670, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of December, then book flights to Portugal from Las Vegas during March instead. Flights to Portugal in March, while not as cheap as those in December, still average around $755.

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 $930 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

15h 50m

Direct flights

None
The fastest flight from Las Vegas to Portugal takes 15h 50m
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 FrancePriceFrom $493Free CancellationRating
7.4
1,542 reviews
Search Air France flights
DeltaPriceFrom $504Free CancellationRating
7.9
8,271 reviews
Search Delta flights
British AirwaysPriceFrom $505Free CancellationRating
6.7
7,778 reviews
Search British Airways flights
United AirlinesPriceFrom $594Free CancellationRating
7.4
9,404 reviews
Search United Airlines flights
Air TransatPriceFrom $621Free CancellationRating
7.7
519 reviews
Search Air Transat flights
Porter AirlinesPriceFrom $655Free CancellationRating
8.0
422 reviews
Search Porter Airlines flights
Air CanadaPriceFrom $677Free CancellationRating
7.1
10,788 reviews
Search Air Canada flights
KLMPriceFrom $726Free CancellationRating
7.8
1,467 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.

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1 adult
dom. 4/5
dom. 4/12
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