Which airlines fly to Las Vegas?

When flying to Las Vegas from Ireland, momondo travellers will most often fly with one of these popular airlines: Aer Lingus, British Airways, American Airlines or United Airlines. Depending on what airport in Ireland you fly from, you may be able to find flights with any of these popular airlines.

Delta Flights to Las Vegas

The most popular airline for flights to Las Vegas on momondo is Delta, which operates 53 flights in this direction every week. Most depart out of Atlanta Hartsfield-Jackson, with the best deal for Delta flights to Las Vegas being €446 (return, Dublin to Las Vegas, momondo searches within the last 72 hours). In 7,961 Delta reviews, it is rated 7.9 by momondo users.

KLM Flights to Las Vegas

KLM flight deals to Las Vegas start from €437 - this is the best price found recently on momondo, and was a return journey departing from Dublin. Over any normal week, KLM flight prices are typically higher, but vary depending on where you fly from - Atlanta Hartsfield-Jackson is the most popular KLM departure point to Las Vegas so generally has the most availability. KLM is scored a 7.8/10 in 1,386 reviews.

How long does it take to fly to Las Vegas?

The average flight duration from Ireland to Las Vegas depends on which airport you fly into and out of. Flying from Dublin to Las Vegas Harry Reid Intl is 10h 35m on average, while flying from Cork to Las Vegas Harry Reid Intl is 15h 35m on average. Las Vegas Harry Reid Intl is the most popular airport in Las Vegas.

€341 Cheap Flights to Las Vegas in 2025/26

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Find the cheapest flights from Ireland to Las Vegas

Round-trip

One-way

Last minute

Direct

Cheap return flights

13:45 - 20:41DUB-LAS

14h 56m1 stop

08:00 - 05:30LAS-DUB

13h 30m1 stop

€437American Airlines

Find Deal

Fri, 3 Oct - Fri, 10 Oct

11:30 - 21:34DUB-LAS

18h 04m1 stop

07:15 - 08:40LAS-DUB

17h 25m1 stop

€438Iberia

Find Deal

Sun, 1 Feb - Sun, 8 Feb

08:50 - 18:50DUB-LAS

18h 00m1 stop

15:45 - 07:55LAS-DUB

32h 10m2 stops

€446British Airways

Find Deal

Tue, 23 Dec - Sun, 28 Dec

08:35 - 20:00DUB-LAS

19h 25m1 stop

12:16 - 14:45LAS-DUB

18h 29m2 stops

€447British Airways

Find Deal

Tue, 14 Oct - Tue, 21 Oct

15:15 - 17:50DUB-LAS

10h 35mdirect

19:35 - 13:20LAS-DUB

9h 45mdirect

€449Aer Lingus

Find Deal

Thu, 6 Nov - Sat, 22 Nov

15:15 - 17:50DUB-LAS

10h 35mdirect

20:55 - 20:05LAS-DUB

15h 10m1 stop

€455Aer Lingus

Find Deal

Sat, 13 Dec - Thu, 18 Dec

09:45 - 20:19DUB-LAS

18h 34m1 stop

23:36 - 08:45LAS-DUB

25h 09m1 stop

€458Delta

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Sun, 16 Nov - Fri, 21 Nov

08:50 - 15:15DUB-LAS

13h 25m1 stop

07:10 - 07:50LAS-DUB

16h 40m2 stops

€470Delta

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Thu, 30 Oct - Thu, 6 Nov

06:00 - 14:15ORK-LAS

16h 15m1 stop

09:52 - 10:45LAS-ORK

16h 53m2 stops

€477KLM

Find Deal

Thu, 6 Nov - Tue, 11 Nov

06:00 - 19:15ORK-LAS

21h 15m2 stops

20:25 - 22:25LAS-ORK

18h 00m1 stop

€2,921KLM

Find Deal

Thu, 16 Oct - Mon, 20 Oct

Fly from

Route

Depart

Return

Price

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Fri 3/10

13:45-20:41

1 stop14h 56m

Las Vegas Harry Reid Intl

Fri 10/10

08:00-05:30

1 stop13h 30m

€437

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Sun 1/2

11:30-21:34

1 stop18h 04m

Las Vegas Harry Reid Intl

Sun 8/2

07:15-08:40

1 stop17h 25m

€438

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Tue 23/12

08:50-18:50

1 stop18h 00m

Las Vegas Harry Reid Intl

Sun 28/12

15:45-07:55

2 stops32h 10m

€446

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Tue 14/10

08:35-20:00

1 stop19h 25m

Las Vegas Harry Reid Intl

Tue 21/10

12:16-14:45

2 stops18h 29m

€447

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Thu 6/11

15:15-17:50

Nonstop10h 35m

Las Vegas Harry Reid Intl

Sat 22/11

19:35-13:20

Nonstop9h 45m

€449

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Sat 13/12

15:15-17:50

Nonstop10h 35m

Las Vegas Harry Reid Intl

Thu 18/12

20:55-20:05

1 stop15h 10m

€455

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Sun 16/11

09:45-20:19

1 stop18h 34m

Las Vegas Harry Reid Intl

Fri 21/11

23:36-08:45

1 stop25h 09m

€458

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Thu 30/10

08:50-15:15

1 stop13h 25m

Las Vegas Harry Reid Intl

Thu 6/11

07:10-07:50

2 stops16h 40m

€470

CorkLas Vegas

ORK - LAS

ORKLAS

Cork

Thu 6/11

06:00-14:15

1 stop16h 15m

Las Vegas Harry Reid Intl

Tue 11/11

09:52-10:45

2 stops16h 53m

€477

CorkLas Vegas

ORK - LAS

ORKLAS

Cork

Thu 16/10

06:00-19:15

2 stops21h 15m

Las Vegas Harry Reid Intl

Mon 20/10

20:25-22:25

1 stop18h 00m

€2,920

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Las Vegas flights insights and trends

Explore insights for your Las Vegas flight to craft the best travel plan

Prices

Other information

What is the cheapest month to fly to Las Vegas?

The month of January is, on average, the cheapest month to fly to Las Vegas from Ireland, with most prices found around €486. If you aren’t able to travel to Las Vegas during the month of January, then flying in November is also cheap. Prices for this month can be found on momondo for an average of €490.

What is the absolute cheapest flight to Las Vegas?

See prices from:

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

The cheapest day to depart from Ireland to Las Vegas is on a Friday. Travellers who choose to depart for Las Vegas on a Friday will often find tickets for as low as €378. On the other hand, Sunday is the most expensive day to depart from Ireland because it is more convenient for both business and leisure travellers. As a result, prices tend to be around €683.

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

Our most recent data shows that the best time of day to fly to Las Vegas is at midday. Flights from Ireland to Las Vegas during this time can be as low as €510. In contrast, the most expensive time of day to depart to Las Vegas is in the morning when prices are around €563.

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

You are more likely to see cheaper flights to Las Vegas from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around €567 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from Ireland for as low as €504 on momondo.

Cheapest flights to Las Vegas Harry Reid Intl

Find the cheapest flights to Las Vegas Harry Reid Intl from your nearest city or airport

Find flights from Dublin to Las Vegas

CHEAPEST MONTH TO FLY TO LAS VEGAS FROM DUBLIN	January	15% cheaper	Flying from Dublin to Las Vegas costs on average just €486 in January
MOST EXPENSIVE MONTH TO FLY TO LAS VEGAS FROM DUBLIN	July	22% more expensive	It costs about €692 for flights to Las Vegas from Dublin in July
MOST POPULAR MONTH TO FLY TO LAS VEGAS FROM DUBLIN	September	304% more users visited	More momondo users searched in flights to Las Vegas from Dublin in September than any other month

Cheap Las Vegas flight deals and tips

Summary info about Las Vegas flight prices, duration and airlines

Best One-Way Price	€341
Best Round-Trip Price	€437
Fastest flight time	10h 35m
Popular in	July

The best one-way flight price to Las Vegas from Ireland in the last 72 hours is €341 (Dublin to Las Vegas Harry Reid Intl).

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The best round-trip flight price to Las Vegas from Ireland in the last 72 hours is €437 (Dublin to Las Vegas Harry Reid Intl).

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The fastest flight to Las Vegas from Ireland takes 10h 35m (Dublin to Las Vegas Harry Reid Intl).

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July has the highest demand for flights to Las Vegas, with a 14% price increase on average.

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Frequently asked questions about flying to Las Vegas

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

The best time to book a flight to Las Vegas from Ireland is 22 days out, which is when prices tend to be around €567. In the past 72 hours, momondo users found flights from Ireland to Las Vegas for as low as €420.

Is there an alternative airport near Las Vegas?

Those flying to Las Vegas could potentially find better pricing at Las Vegas Boulder City Airport (36 km from Las Vegas city centre), Meadview Grand Canyon West Airport (120 km from Las Vegas city centre) or Bullhead City Laughlin Bullhead Airport (124 km from Las Vegas city centre) depending on the month and departure airport.

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

Prices for flights to Las Vegas Harry Reid Intl Airport were last updated today.

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

The number of operators available for flights to Las Vegas Harry Reid Intl Airport is 9 as of September 2025.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel to Las Vegas Harry Reid Intl Airport.

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

The travel and health documents required for your trip to Las Vegas Harry Reid Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Las Vegas Harry Reid Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Las Vegas.

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

Flights to Las Vegas with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights to Las Vegas?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight to Las Vegas.

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

If you are not ready to book a flight to Las Vegas now, use our insights above to find helpful tips or alternatively set up a price alert; this is where momondo will track prices on flights to Las Vegas and let you know when they change.