Cheap flights from Ireland to Las Vegas from £274

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — LAS
21 Dec — 28 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ireland to Las Vegas

Keep the following information in mind while searching for Ireland to Las Vegas flight deals. Data was last updated 21 November 2025.

Round-trip from

£376

One-way from

£274

Popular in

July

Cheapest in

November

Average price

£437

Good round-trip deal

£379 or less
KLM
  • KLM
  • 17/1-24/1
  • 2 total stops
  • 37h 14m total
  • Ireland to Las Vegas
11/12
  • 11/12
  • 3 total stops
  • 47h 20m total
  • Ireland to Las Vegas
Highest demand for flights based on searches. 14% potential increase in price (£67 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
Average for round-trip flights in November 2025
Price to beat on a round-trip flight from Ireland to Las Vegas Harry Reid Intl.

Find flight deals from Ireland to Las Vegas

Enter your travel dates to find the best prices.

Cheapest flights from Ireland to Las Vegas
Explore the most affordable flight options available from Ireland to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 November 2025.

Thu 27/1109:45DUB - LAS
1 stop14h 43mDelta
Sat 13/1212:01LAS - DUB
1 stop12h 44mDelta
Deal found 20/11£376
Thu 27/1109:45DUB - LAS
1 stop14h 43mKLM
Thu 11/1216:05LAS - DUB
1 stop22h 05mKLM
Deal found 20/11£378
Thu 27/1109:45DUB - LAS
1 stop14h 43mDelta
Thu 11/1216:05LAS - DUB
1 stop16h 15mDelta
Deal found 19/11£379
Tue 9/1220:05DUB - LAS
2 stops30h 06mBritish Airways
Sun 14/1217:02LAS - DUB
2 stops18h 23mBritish Airways
Deal found 19/11£400
Sat 13/1211:30DUB - LAS
1 stop16h 06mIberia
Sat 27/1208:05LAS - DUB
1 stop15h 05mIberia
Deal found 19/11£403
Tue 9/1205:55DUB - LAS
1 stop16h 20mKLM
Tue 16/1216:05LAS - DUB
1 stop16h 15mKLM
Deal found 19/11£414
Fri 5/1208:55DUB - LAS
2 stops19h 43mDelta
Sat 13/1207:14LAS - DUB
2 stops17h 31mDelta
Deal found 20/11£415
Thu 27/1115:15DUB - LAS
Nonstop10h 35mMultiple Airlines
Thu 11/1223:53LAS - DUB
1 stop21h 02mMultiple Airlines
Deal found 20/11£418
Thu 4/1215:15DUB - LAS
Nonstop10h 35mMultiple Airlines
Thu 11/1210:01LAS - DUB
1 stop20h 29mMultiple Airlines
Deal found 19/11£418
Thu 27/1115:15DUB - LAS
Nonstop10h 35mMultiple Airlines
Sat 13/1223:53LAS - DUB
1 stop24h 57mMultiple Airlines
Deal found 20/11£422
Thu 27/1113:25DUB - LAS
2 stops28h 16mDelta
Thu 4/1200:44LAS - DUB
1 stop23h 01mDelta
Deal found 19/11£422

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ireland 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, Cheapflights users made 858,174 searches. Data last updated 21 November 2025.
Use the filters below to find and compare flights from Ireland to Las Vegas that are best for you.

Fly from

Ireland

Fly to

Las Vegas

Route

Depart

Return

Price

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Tue 9/12

20:05-18:11

2 stops30h 06m

Las Vegas Harry Reid Intl

Sun 14/12

17:02-19:25

2 stops18h 23m

£400

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Fri 23/1

05:55-20:49

2 stops22h 54m

Las Vegas Harry Reid Intl

Tue 3/2

11:35-15:45

2 stops20h 10m

£409

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Mon 30/3

06:00-17:45

2 stops19h 45m

Las Vegas Harry Reid Intl

Mon 6/4

23:36-09:15

1 stop25h 39m

£436

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Thu 4/12

09:20-19:42

2 stops18h 22m

Las Vegas Harry Reid Intl

Thu 11/12

11:55-10:20

2 stops14h 25m

£444

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Sat 6/12

09:15-19:42

2 stops18h 27m

Las Vegas Harry Reid Intl

Sat 13/12

11:55-10:20

2 stops14h 25m

£444

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Sat 13/12

06:00-19:52

2 stops21h 52m

Las Vegas Harry Reid Intl

Sat 27/12

06:21-07:45

1 stop17h 24m

£447

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Thu 22/1

09:20-20:52

2 stops19h 32m

Las Vegas Harry Reid Intl

Sun 1/2

16:25-22:45

1 stop22h 20m

£447

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Fri 5/12

09:00-23:59

2 stops22h 59m

Las Vegas Harry Reid Intl

Mon 8/12

08:30-10:20

1 stop17h 50m

£455

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Fri 5/12

09:00-23:59

2 stops22h 59m

Las Vegas Harry Reid Intl

Wed 10/12

13:50-10:20

1 stop12h 30m

£455

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Fri 5/12

09:00-23:59

2 stops22h 59m

Las Vegas Harry Reid Intl

Tue 9/12

23:53-10:20

1 stop26h 27m

£455

Flights are sorted by cheapest return flights first.

Deals found on 19/11

Showing 1-10 of 19 results
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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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 £352). Flying from Ireland to Las Vegas in July is currently the most expensive (average of £514). 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?

Find hourly flight availability from Ireland to Las Vegas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 November 2025.

When flying from Ireland to Las Vegas, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 17% versus a flight at midday.

How often are flights $[0, preposition:'from ']$[0, article:'from ']$[0, place:'from'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] delayed?

About 14% of weekly flights between $[0, place:'genitive'] and $[1, place:'genitive'] have experienced delays in the past year, with the average delay time being 78 minutes.

What is the most punctual flight time for $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] 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.

Which airline has the best punctuality record on $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] flights?

Over the past year, Aer Lingus have had the lowest number of delays on this route, with just 14% of flights being delayed.

Reviews of airlines servicing Las Vegas

Get insights into the airlines that provide service to Las Vegas. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Las Vegas. Reviews last updated 21 November 2025.
Read reviews from past customers who have flown with KLM, United Airlines, 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.

Crew

8.4

Comfort

7.7

Food

7.3

Overall

7.7

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Crew

8.4

Comfort

7.7

Food

7.3

Overall

7.7

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Crew

8.4

Comfort

7.7

Food

7.3

Overall

7.7

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Crew

8.4

Comfort

7.7

Food

7.3

Overall

7.7

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Crew

8.4

Comfort

7.7

Food

7.3

Overall

7.7

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Crew

8.4

Comfort

7.7

Food

7.3

Overall

7.7

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

Find useful and relevant information for your journey from Ireland to Las Vegas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • 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?

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

    Airlines like British Airways, Delta, and Lufthansa fly from Ireland to Las Vegas in about 18h 22m. The time it takes to get you to your destination can typically vary by up to 11h 44m. 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 (100%), Qatar Airways (100%) or Aer Lingus (100%) 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 £373. While the most popular route (Dublin - Las Vegas Harry Reid Intl) can be booked for £326 on average, our data indicates £438 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 £352). Flying from Ireland to Las Vegas in July is currently the most expensive (average of £514). 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
Kingman
Henderson
Paradise

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 10 airlines flying from Ireland to Las Vegas

Discover the top 10 airlines that operate flights from Ireland to Las Vegas. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 21 November 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£309Average£472FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air FranceCheapest£349Average£425FlexibilityNo cancel feeOn-time77%
Search Air France flights
United AirlinesCheapest£354Average£502FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
IberiaCheapest£355Average£465FlexibilityNo cancel feeOn-time77%
Search Iberia flights
KLMCheapest£360Average£479FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£362Average£428FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest£373Average£509FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
American AirlinesCheapest£387Average£567FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest£412Average£487FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest£444Average£536FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.