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Cheap flights from Las Vegas to Portugal from $290

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 9/13. 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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Cheap round-trip flights

Air Canada Logo
11:15 pm - 9:20 amLAS-LIS
26h 05m1 stop
Air Canada Logo
11:20 am - 9:58 pmLIS-LAS
42h 38m2 stops
$569Air Canada
Find Deal
sáb., oct. 18 - mar., dic. 16
United Airlines Logo
11:59 pm - 9:20 amLAS-LIS
25h 21m2 stops
United Airlines Logo
11:20 am - 1:03 pmLIS-LAS
33h 43m2 stops
$574United Airlines
Find Deal
lun., oct. 20 - mar., dic. 9
Air Canada Logo
11:15 pm - 11:05 amLAS-LIS
27h 50m2 stops
Air Canada Logo
10:55 am - 5:56 pmLIS-LAS
39h 01m2 stops
$576Air Canada
Find Deal
sáb., oct. 18 - jue., dic. 11
United Airlines Logo
10:00 am - 8:10 amLAS-LIS
14h 10m1 stop
United Airlines Logo
5:00 am - 7:18 pmLIS-LAS
22h 18m2 stops
$590United Airlines
Find Deal
mar., nov. 18 - mar., nov. 25
Iberia Logo
7:00 am - 11:25 pmLAS-LIS
32h 25m2 stops
Iberia Logo
6:30 am - 10:37 pmLIS-LAS
24h 07m2 stops
$609Iberia
Find Deal
lun., oct. 20 - vie., dic. 12
Iberia Logo
12:12 pm - 11:25 pmLAS-LIS
27h 13m2 stops
Iberia Logo
11:10 am - 9:38 pmLIS-LAS
18h 28m1 stop
$610Iberia
Find Deal
mié., oct. 15 - mar., dic. 16
British Airways Logo
5:05 pm - 5:55 pmLAS-LIS
16h 50m1 stop
British Airways Logo
7:05 am - 6:50 pmLIS-LAS
19h 45m1 stop
$614British Airways
Find Deal
mié., oct. 15 - mar., dic. 16
British Airways Logo
8:55 pm - 12:10 pmLAS-LIS
31h 15m1 stop
British Airways Logo
7:05 am - 6:50 pmLIS-LAS
19h 45m1 stop
$625British Airways
Find Deal
mar., nov. 18 - mar., nov. 25
KLM Logo
2:00 pm - 6:55 pmLAS-FAO
20h 55m2 stops
KLM Logo
10:20 am - 2:15 pmFAO-LAS
35h 55m1 stop
$751KLM
Find Deal
lun., feb. 2 - mié., feb. 18
KLM Logo
11:30 am - 6:55 pmLAS-FAO
23h 25m2 stops
KLM Logo
6:55 pm - 4:55 pmFAO-LAS
30h 00m2 stops
$756KLM
Find Deal
lun., feb. 2 - mié., feb. 18

Air Canada flights from Las Vegas to Portugal

Our best Air Canada deals on Las Vegas to Portugal flight tickets
Air Canada
Oct 18
LAS11:15 pmLas Vegas Harry Reid Intl
26h 05m
1 stop
LIS9:20 amLisbon Humberto Delgado
Dec 16
LIS11:20 amLisbon Humberto Delgado
42h 38m
2 stops
LAS9:58 pmLas Vegas Harry Reid Intl
$569
Find similar
Air Canada
Oct 18
LAS11:15 pmLas Vegas Harry Reid Intl
27h 50m
2 stops
LIS11:05 amLisbon Humberto Delgado
Dec 11
LIS10:55 amLisbon Humberto Delgado
39h 01m
2 stops
LAS5:56 pmLas Vegas Harry Reid Intl
$576
Find similar
Air Canada
Oct 14
LAS10:46 amLas Vegas Harry Reid Intl
16h 19m
2 stops
LIS11:05 amLisbon Humberto Delgado
Dec 16
LIS11:20 amLisbon Humberto Delgado
38h 38m
2 stops
LAS5:58 pmLas Vegas Harry Reid Intl
$580
Find similar

United Airlines flights from Las Vegas to Portugal

Our best United Airlines deals on Las Vegas to Portugal flight tickets
United Airlines
Oct 20
LAS11:59 pmLas Vegas Harry Reid Intl
25h 21m
2 stops
LIS9:20 amLisbon Humberto Delgado
Dec 9
LIS11:20 amLisbon Humberto Delgado
33h 43m
2 stops
LAS1:03 pmLas Vegas Harry Reid Intl
$574
Find similar
United Airlines
Nov 18
LAS10:00 amLas Vegas Harry Reid Intl
14h 10m
1 stop
LIS8:10 amLisbon Humberto Delgado
Nov 25
LIS5:00 amLisbon Humberto Delgado
22h 18m
2 stops
LAS7:18 pmLas Vegas Harry Reid Intl
$590
Find similar
United Airlines
Nov 17
LAS12:59 amLas Vegas Harry Reid Intl
23h 11m
2 stops
LIS8:10 amLisbon Humberto Delgado
Nov 25
LIS5:00 amLisbon Humberto Delgado
20h 02m
2 stops
LAS5:02 pmLas Vegas Harry Reid Intl
$594
Find similar

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 agosto 14, 2025.
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

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

sáb. 10/18

11:15 pm-9:20 am

1 stop26h 05m

Lisbon Humberto Delgado

mar. 12/16

11:20 am-9:58 pm

2 stops42h 38m

$569

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

lun. 10/20

11:59 pm-9:20 am

2 stops25h 21m

Lisbon Humberto Delgado

mar. 12/9

11:20 am-1:03 pm

2 stops33h 43m

$574

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

sáb. 10/18

11:15 pm-11:05 am

2 stops27h 50m

Lisbon Humberto Delgado

jue. 12/11

10:55 am-5:56 pm

2 stops39h 01m

$576

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

mar. 11/18

10:00 am-8:10 am

1 stop14h 10m

Lisbon Humberto Delgado

mar. 11/25

5:00 am-7:18 pm

2 stops22h 18m

$590

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

lun. 10/20

7:00 am-11:25 pm

2 stops32h 25m

Lisbon Humberto Delgado

vie. 12/12

6:30 am-10:37 pm

2 stops24h 07m

$609

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

mié. 10/15

12:12 pm-11:25 pm

2 stops27h 13m

Lisbon Humberto Delgado

mar. 12/16

11:10 am-9:38 pm

1 stop18h 28m

$610

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

mié. 10/15

5:05 pm-5:55 pm

1 stop16h 50m

Lisbon Humberto Delgado

mar. 12/16

7:05 am-6:50 pm

1 stop19h 45m

$614

Las VegasLisbon

LAS - LIS

LASLIS

Las Vegas Harry Reid Intl

mar. 11/18

8:55 pm-12:10 pm

1 stop31h 15m

Lisbon Humberto Delgado

mar. 11/25

7:05 am-6:50 pm

1 stop19h 45m

$625

Las VegasFaro

LAS - FAO

LASFAO

Las Vegas Harry Reid Intl

lun. 2/2

2:00 pm-6:55 pm

2 stops20h 55m

Faro

mié. 2/18

10:20 am-2:15 pm

1 stop35h 55m

$751

Las VegasFaro

LAS - FAO

LASFAO

Las Vegas Harry Reid Intl

lun. 2/2

11:30 am-6:55 pm

2 stops23h 25m

Faro

mié. 2/18

6:55 pm-4:55 pm

2 stops30h 00m

$756

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 November. Flight prices, which tend to average around $764, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Portugal from Las Vegas during January instead. Flights to Portugal in January, while not as cheap as those in November, still average around $791.

What is the cheapest day to depart on your flight to Portugal?

According to our data, Sunday is the cheapest day to fly to Portugal from Las Vegas. The lowest ticket price found for a Sunday departure recently was $909. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Portugal is Thursday, with ticket prices averaging around $1,234.

What is the cheapest time of day to depart on your flight to Portugal?

Our most recent data shows that the best time of day to fly to Portugal is at noon. Flights from Las Vegas to Portugal during this time can be as low as $948. In the evening is when there is more demand to fly to Portugal, so prices are often more expensive at around $1,234 per ticket.

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 $983 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 $818 on momondo.

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

You could potentially save up to 3% 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

Best Price Found

$290

Fastest flight time

12h 35m

Direct flights

None

Airports in Portugal

3 airports
The best one-way flight to Portugal from Las Vegas in the past 72 hours is $290. The best round-trip flight deal from Las Vegas to Portugal found on momondo in the last 72 hours is $569.
The fastest flight from Las Vegas to Portugal takes 12h 35m
There are no direct flights from Las Vegas to Portugal. Popular non-direct routes for this connection are Las Vegas Harry Reid Intl Airport - Lisbon Humberto Delgado Airport and Las Vegas Harry Reid Intl Airport - Faro Airport.
There are 3 airports near Portugal: Faro (FAO), Lisbon Humberto Delgado (LIS), Funchal Madeira (FNC)
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 CanadaPriceFrom $576Free CancellationRating
7.1
9,949 reviews
Search Air Canada flights
KLMPriceFrom $597Free CancellationRating
7.8
1,381 reviews
Search KLM flights
United AirlinesPriceFrom $607Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
Air TransatPriceFrom $613Free CancellationRating
7.7
427 reviews
Search Air Transat flights
DeltaPriceFrom $641Free CancellationRating
8.0
7,980 reviews
Search Delta flights
Porter AirlinesPriceFrom $645Free CancellationRating
8.0
332 reviews
Search Porter Airlines flights
British AirwaysPriceFrom $687Free CancellationRating
6.6
7,266 reviews
Search British Airways flights
American AirlinesPriceFrom $695Free CancellationRating
7.2
10,000 reviews
Search American Airlines 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

Popular cities in Portugal

Popular flights according to clicks in the last 7 days on momondo
Flights to Lisbonfrom $368
Flights to Portofrom $340
Flights to Funchalfrom $401
Flights to Farofrom $424
Flights to Ponta Delgadafrom $450
Flights to Lajesfrom $544
Flights to Hortafrom $591
Flights to Pico Islandfrom $560
Flights to Porto Santofrom $639
Flights to Velasfrom $594