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Cheap flights from Ireland to Las Vegas from £305

DUB — LAS
25 Nov — 2 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ireland to Las Vegas

Enter your travel dates to find the best prices.

Cheapest flights from Ireland to Las Vegas

Thu 5/1109:00 -
1 stop21h 47m
Sat 21/1123:50 -
1 stop23h 20m
Deal found 21/10£487
Thu 12/1105:10 -
1 stop17h 25m
Thu 26/1106:45 -
1 stop17h 25m
Deal found 25/10£492
Wed 25/1109:10 -
2 stops17h 32m
Wed 2/1209:07 -
1 stop15h 03m
Deal found 25/10£495
Wed 11/1105:10 -
2 stops21h 28m
Wed 25/1108:44 -
1 stop15h 26m
Deal found 25/10£495
Thu 19/1109:00 -
1 stop21h 47m
Thu 3/1223:50 -
1 stop23h 20m
Deal found 21/10£497
Sat 14/1109:00 -
1 stop21h 47m
Tue 24/1123:50 -
1 stop23h 20m
Deal found 24/10£498
Tue 15/1211:30 -
1 stop19h 23m
Mon 28/1209:02 -
1 stop15h 58m
Deal found 21/10£499
Thu 12/1109:00 -
1 stop21h 47m
Thu 26/1117:10 -
2 stops30h 00m
Deal found 22/10£501
Thu 12/1108:50 -
1 stop13h 25m
Thu 26/1106:30 -
2 stops18h 30m
Deal found 21/10£504

Find flight deals from Ireland to Las Vegas

Round-trip from

£467

One-way from

£305

Popular in

July

Cheapest in

January

Average price

£525

Good round-trip deal

£517 or less
United Airlines
  • United Airlines
  • 19/1-25/1
  • 2 total stops
  • 29h 17m total
  • Ireland to Las Vegas
Search Deals
Delta
  • Delta
  • 26/1-31/12
  • 2 total stops
  • 18h 30m total
  • Ireland to Las Vegas
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£50 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2026
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Price to beat on a round-trip flight from Ireland to Las Vegas Harry Reid Intl.
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Ireland to Las Vegas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinLas Vegas

DUB Dublin - LAS Las Vegas Harry Reid Intl

DUBLAS

Dublin

Tue 26/1

13:25-23:55

2 stops18h 30m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£305
Fastest return journey

DublinLas Vegas

DUB Dublin - LAS Las Vegas Harry Reid Intl

DUBLAS

Dublin

Tue 26/1

05:45-14:15

1 stop16h 30m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£316

DublinLas Vegas

DUB Dublin - LAS Las Vegas Harry Reid Intl

DUBLAS

Dublin

Sat 12/12

05:45-14:15

1 stop16h 30m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£317

DublinLas Vegas

DUB Dublin - LAS Las Vegas Harry Reid Intl

DUBLAS

Dublin

Tue 9/3

08:50-21:32

2 stops20h 42m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£321

DublinLas Vegas

DUB Dublin - LAS Las Vegas Harry Reid Intl

DUBLAS

Dublin

Thu 18/2

20:40-15:15

1 stop26h 35m

Las Vegas Harry Reid Intl

Tue 23/2

20:55-17:45

1 stop12h 50m

£497

DublinLas Vegas

DUB Dublin - LAS Las Vegas Harry Reid Intl

DUBLAS

Dublin

Sat 20/2

18:35-22:04

2 stops35h 29m

Las Vegas Harry Reid Intl

Sat 27/2

15:25-17:45

2 stops18h 20m

£513

DublinLas Vegas

DUB Dublin - LAS Las Vegas Harry Reid Intl

DUBLAS

Dublin

Mon 23/11

09:00-20:21

2 stops19h 21m

Las Vegas Harry Reid Intl

Mon 30/11

05:15-08:10

2 stops18h 55m

£522

DublinLas Vegas

DUB Dublin - LAS Las Vegas Harry Reid Intl

DUBLAS

Dublin

Tue 2/2

19:45-15:15

1 stop27h 30m

Las Vegas Harry Reid Intl

Mon 8/2

20:55-17:45

1 stop12h 50m

£522

DublinLas Vegas

DUB Dublin - LAS Las Vegas Harry Reid Intl

DUBLAS

Dublin

Fri 12/2

10:40-20:26

2 stops17h 46m

Las Vegas Harry Reid Intl

Fri 19/2

11:32-09:55

1 stop14h 23m

£523

DublinLas Vegas

DUB Dublin - LAS Las Vegas Harry Reid Intl

DUBLAS

Dublin

Fri 12/2

10:40-20:26

2 stops17h 46m

Las Vegas Harry Reid Intl

Sat 20/2

07:45-08:10

2 stops16h 25m

£523

Flights are sorted by cheapest return flights first.

Deals found on 21/10

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

Best time to book a flight from Ireland to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Ireland with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Ireland to Las Vegas

What is the cheapest month to book a flight from Ireland to Las Vegas?

Currently, January is the cheapest month in which you can book a flight from Ireland to Las Vegas (average of £443). Flying from Ireland to Las Vegas in July is currently the most expensive (average of £676). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IE to LAS?

When flying from Ireland to Las Vegas, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How often are flights from Ireland to Las Vegas delayed?

About 5% of weekly flights between Ireland and Las Vegas have experienced delays in the past year, with the average delay time being 90 minutes.

What is the most punctual flight time for Ireland to Las Vegas flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Thursday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Ireland to Las Vegas flights?

Over the past year, Aer Lingus have had the lowest number of delays on this route, with just 5% of flights being delayed.

How far ahead should I book a flight from Ireland to Las Vegas?

The price you pay for your flight from Ireland to Las Vegas may vary depending on when you book. For the best chance of a lower fare, look to book 39 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Las Vegas

Read reviews from past customers who have flown with KLM,Aer Lingus, andAmerican Airlines from Ireland to Las Vegas. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,595 reviews
Check prices

Food

7.4

Comfort

7.7

Entertainment

7.2

Boarding

7.8

Crew

8.4

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.
KLM
7.8
Good
1,595 reviews
KLM
7.8
Good
1,595 reviews
Check prices

Food

7.4

Comfort

7.7

Entertainment

7.2

Boarding

7.8

Crew

8.4

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.
Aer Lingus
7.3
Good
1,858 reviews
KLM
7.8
Good
1,595 reviews
Check prices

Food

7.4

Comfort

7.7

Entertainment

7.2

Boarding

7.8

Crew

8.4

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.
American Airlines
7.0
Good
12,187 reviews
KLM
7.8
Good
1,595 reviews
Check prices

Food

7.4

Comfort

7.7

Entertainment

7.2

Boarding

7.8

Crew

8.4

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.
Iberia
7.0
Good
3,244 reviews
KLM
7.8
Good
1,595 reviews
Check prices

Food

7.4

Comfort

7.7

Entertainment

7.2

Boarding

7.8

Crew

8.4

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.
British Airways
6.7
Okay
8,270 reviews
KLM
7.8
Good
1,595 reviews
Check prices

Food

7.4

Comfort

7.7

Entertainment

7.2

Boarding

7.8

Crew

8.4

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

Related info for your journey

  • What airport do you fly into for flights to Las Vegas from Ireland?

    Most people fly into Las Vegas Harry Reid Intl (LAS) if they book a flight to Las Vegas from Ireland. Harry Reid Intl is conveniently located just 6.2 mi from Las Vegas’s city center.

  • How popular is this Ireland to Las Vegas flight route?

    The Ireland to Las Vegas Harry Reid Intl flight path was viewed by 84 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Ireland to Las Vegas?

    Airlines like SWISS, British Airways, and United Airlines fly from Ireland to Las Vegas in about 17h 46m. The time it takes to get you to your destination can typically vary by up to 17h 43m. There are 4938 mi between Ireland and Las Vegas. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most reliable airlines from Ireland to Las Vegas?

    No one likes to see their flight delayed. When booking a flight from Ireland to Las Vegas consider choosing American Airlines (83%), Qatar Airways (83%) or Aer Lingus (83%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Ireland to Las Vegas?

    Looking at all options, your cheapest flight can be booked for £471. While the most popular route (Dublin - Las Vegas Harry Reid Intl) can be booked for £492 on average, our data indicates £594 when flying from Ireland to Las Vegas.

  • Can I find deals for flights from Ireland to Las Vegas that include hotel bookings?

    Yes. In addition to deals on Ireland to Las Vegas flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ireland to Las Vegas?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to Las Vegas.

  • Can I find deals for business class flights from Ireland to Las Vegas?

    Yes. Cheapflights offers flight deals from Ireland to Las Vegas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ireland to Las Vegas?

    Currently, January is the cheapest month in which you can book a flight from Ireland to Las Vegas (average of £443). Flying from Ireland to Las Vegas in July is currently the most expensive (average of £676). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Paradise
Furnace Creek
Henderson

Browse thousands of different options on Cheapflights for your next trip

Top 9 airlines flying from Ireland to Las Vegas

AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£350Average£542FlexibilityNo cancel feeOn-time75%
Search KLM flights
FinnairCheapest£352Average£486FlexibilityNo cancel feeOn-time76%
Search Finnair flights
British AirwaysCheapest£372Average£503FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest£373Average£542FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
IberiaCheapest£379Average£609FlexibilityNo cancel feeOn-time77%
Search Iberia flights
American AirlinesCheapest£390Average£505FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest£395Average£631FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air FranceCheapest£408Average£513FlexibilityNo cancel feeOn-time77%
Search Air France flights
United AirlinesCheapest£564Average£688FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Ireland to Las Vegas?

Deals for Ireland to Las Vegas flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Ireland to Las Vegas?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Las Vegas from Ireland.

Can Cheapflights find flights from Ireland to Las Vegas with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ireland to Las Vegas, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Ireland to Las Vegas become cheaper?

Yes, Cheapflights offers price alerts on Ireland to Las Vegas flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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