Cheap flights from Ireland to Las Vegas from £346

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 22/2. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — LAS
27 Nov — 4 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 28 October 2025.

Round-trip from

£374

One-way from

£346

Popular in

August

Cheapest in

January

Average price

£493

Good round-trip deal

£372 or less
14/2-18/2
  • 14/2-18/2
  • 3 total stops
  • 32h 49m total
  • Ireland to Las Vegas
British Airways
  • British Airways
  • 22/2
  • 2 total stops
  • 19h 13m total
  • Ireland to Las Vegas
Highest demand for flights based on searches. 10% potential increase in price (£44 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 October 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 28 October 2025.

Mon 8/1208:50DUB - LAS
2 stops21h 24mBritish Airways
Sun 4/120:00LAS - DUB
1 stop27h 55mBritish Airways
Deal found 27/10£378
Thu 4/1213:25DUB - LAS
2 stops18h 55mDelta
Thu 18/1206:10LAS - DUB
2 stops17h 35mDelta
Deal found 27/10£379
Sun 7/1220:40DUB - LAS
1 stop30h 10mBritish Airways
Wed 7/117:55LAS - DUB
2 stops17h 50mBritish Airways
Deal found 27/10£391
Fri 28/1111:30DUB - LAS
2 stops17h 08mMultiple Airlines
Thu 11/1208:00LAS - DUB
1 stop15h 10mMultiple Airlines
Deal found 27/10£392
Sat 13/1220:40DUB - LAS
2 stops30h 33mBritish Airways
Sat 27/1216:56LAS - DUB
2 stops17h 44mBritish Airways
Deal found 26/10£395
Sat 1/1111:30DUB - LAS
1 stop17h 38mMultiple Airlines
Sat 8/1108:00LAS - DUB
1 stop15h 10mMultiple Airlines
Deal found 25/10£398
Sat 27/1212:55DUB - LAS
1 stop15h 56mMultiple Airlines
Thu 1/109:50LAS - DUB
1 stop13h 20mMultiple Airlines
Deal found 26/10£407
Sun 2/1112:55DUB - LAS
1 stop18h 03mMultiple Airlines
Sun 16/1107:00LAS - DUB
1 stop16h 10mMultiple Airlines
Deal found 26/10£408
Sun 2/1112:55DUB - LAS
1 stop27h 09mMultiple Airlines
Sat 15/1111:00LAS - DUB
1 stop12h 10mMultiple Airlines
Deal found 26/10£410
Thu 11/1210:30DUB - LAS
2 stops19h 11mBritish Airways
Sat 27/1216:56LAS - DUB
2 stops17h 44mBritish Airways
Deal found 27/10£413
Fri 28/1105:55DUB - LAS
2 stops21h 52mDelta
Thu 11/1206:00LAS - DUB
2 stops18h 45mDelta
Deal found 27/10£415

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 28 October 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

Fri 20/2

11:30-22:37

1 stop19h 07m

Las Vegas Harry Reid Intl

Tue 24/2

10:44-08:40

1 stop13h 56m

£375

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Thu 8/1

11:30-21:00

2 stops17h 30m

Las Vegas Harry Reid Intl

Mon 12/1

11:57-17:20

2 stops21h 23m

£377

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Mon 8/12

08:50-22:14

2 stops21h 24m

Las Vegas Harry Reid Intl

Sun 4/1

20:00-07:55

1 stop27h 55m

£378

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Thu 12/3

05:55-19:11

2 stops20h 16m

Las Vegas Harry Reid Intl

Mon 16/3

00:35-07:45

1 stop24h 10m

£379

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Thu 4/12

13:25-00:20

2 stops18h 55m

Las Vegas Harry Reid Intl

Thu 18/12

06:10-07:45

2 stops17h 35m

£379

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Wed 4/2

13:10-18:50

1 stop13h 40m

Las Vegas Harry Reid Intl

Sun 8/2

20:55-19:40

1 stop14h 45m

£390

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Sat 7/2

13:10-18:50

1 stop13h 40m

Las Vegas Harry Reid Intl

Tue 10/2

20:55-07:55

1 stop27h 00m

£390

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Sat 7/2

10:55-18:50

1 stop15h 55m

Las Vegas Harry Reid Intl

Mon 9/2

20:55-07:55

1 stop27h 00m

£390

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Sat 7/2

13:10-18:50

1 stop13h 40m

Las Vegas Harry Reid Intl

Sun 8/2

20:55-19:40

1 stop14h 45m

£390

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Sun 7/12

20:40-18:50

1 stop30h 10m

Las Vegas Harry Reid Intl

Mon 5/1

12:15-12:35

2 stops16h 20m

£391

Flights are sorted by cheapest return flights first.

Deals found on 26/10

Showing 1-10 of 20 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, March is the cheapest month in which you can book a flight from Ireland to Las Vegas (average of £345). Flying from Ireland to Las Vegas in July is currently the most expensive (average of £504). 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 28 October 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.

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 28 October 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.

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Food

7.3

Overall

7.7

Crew

8.4

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.

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Food

7.3

Overall

7.7

Crew

8.4

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.

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Food

7.3

Overall

7.7

Crew

8.4

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.

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Food

7.3

Overall

7.7

Crew

8.4

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.

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Food

7.3

Overall

7.7

Crew

8.4

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.

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Food

7.3

Overall

7.7

Crew

8.4

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 American Airlines, British Airways, and Delta fly from Ireland to Las Vegas in about 19h 07m. The time it takes to get you to your destination can typically vary by up to 2h 17m. 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 cheapest flights from Ireland to Las Vegas?

    Looking at all options, your cheapest flight can be booked for £366. While the most popular route (Dublin - Las Vegas Harry Reid Intl) can be booked for £356 on average, our data indicates £439 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, March is the cheapest month in which you can book a flight from Ireland to Las Vegas (average of £345). Flying from Ireland to Las Vegas in July is currently the most expensive (average of £504). 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 28 October 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£303Average£463FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air FranceCheapest£342Average£417FlexibilityNo cancel feeOn-time77%
Search Air France flights
United AirlinesCheapest£347Average£494FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
IberiaCheapest£348Average£461FlexibilityNo cancel feeOn-time77%
Search Iberia flights
KLMCheapest£353Average£470FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£356Average£420FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest£366Average£501FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
American AirlinesCheapest£379Average£555FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest£404Average£477FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest£435Average£528FlexibilityNo 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.