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Cheap flights from Ireland to Las Vegas from £366

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 25/9. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — LAS
10 Jul — 17 Jul1
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
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 10 June 2026.

Wed 7/1010:30
DUB
-
LAS
1 stop17h 30m
British Airways
Sun 11/1022:10
LAS
-
DUB
1 stop29h 50m
British Airways
Deal found 7/6£472
Wed 16/910:30
DUB
-
LAS
1 stop17h 30m
British Airways
Wed 30/922:10
LAS
-
DUB
1 stop13h 20m
British Airways
Deal found 5/6£476
Thu 27/809:40
DUB
-
LAS
2 stops21h 31m
Finnair
Sat 5/913:15
LAS
-
DUB
1 stop14h 35m
Finnair
Deal found 7/6£477
Tue 8/911:45
DUB
-
LAS
1 stop15h 57m
British Airways
Sun 13/906:08
LAS
-
DUB
1 stop19h 27m
British Airways
Deal found 7/6£480
Wed 18/1113:25
DUB
-
LAS
2 stops18h 30m
Delta
Mon 23/1106:10
LAS
-
DUB
2 stops17h 45m
Delta
Deal found 8/6£483
Wed 16/909:40
DUB
-
LAS
2 stops21h 20m
Finnair
Wed 30/910:44
LAS
-
DUB
1 stop15h 01m
Finnair
Deal found 9/6£484
Wed 23/912:50
DUB
-
LAS
1 stop15h 10m
British Airways
Wed 30/922:54
LAS
-
DUB
2 stops24h 51m
British Airways
Deal found 9/6£488
Fri 13/1110:45
DUB
-
LAS
1 stop16h 05m
British Airways
Tue 17/1107:00
LAS
-
DUB
2 stops18h 35m
British Airways
Deal found 9/6£490

Find 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 10 June 2026.

Round-trip from

£472

One-way from

£366

Popular in

July

Cheapest in

January

Average price

£519

Good round-trip deal

£509 or less
British Airways
  • British Airways
  • 7/10-11/10
  • 2 total stops
  • 47h 20m total
  • Ireland to Las Vegas
Search Deals
WestJet
  • WestJet
  • 25/9
  • 2 total stops
  • 38h 35m total
  • Ireland to Las Vegas
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£64 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Ireland to Las Vegas Harry Reid Intl.
Search Deals

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 10 June 2026.
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 - LAS

DUBLAS

Dublin

Sat 29/8

10:30-20:00

1 stop17h 30m

Las Vegas Harry Reid Intl

Wed 2/9

22:10-07:45

1 stop25h 35m

£472

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Wed 7/10

08:35-19:04

2 stops18h 29m

Las Vegas Harry Reid Intl

Sun 11/10

22:10-07:45

1 stop25h 35m

£478

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Wed 16/9

09:40-23:00

2 stops21h 20m

Las Vegas Harry Reid Intl

Wed 30/9

10:44-09:45

1 stop15h 01m

£484

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Wed 23/9

08:50-18:43

2 stops17h 53m

Las Vegas Harry Reid Intl

Wed 30/9

09:47-10:40

2 stops16h 53m

£577
Fastest return journey

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Wed 2/9

11:10-20:16

2 stops17h 06m

Las Vegas Harry Reid Intl

Wed 16/9

09:33-10:00

2 stops16h 27m

£583

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Wed 16/9

05:55-16:20

2 stops18h 25m

Las Vegas Harry Reid Intl

Wed 30/9

09:59-09:15

2 stops15h 16m

£585

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Fri 11/9

11:10-20:31

2 stops17h 21m

Las Vegas Harry Reid Intl

Sun 20/9

06:35-07:55

2 stops17h 20m

£585

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Mon 27/7

20:30-20:00

1 stop31h 30m

Las Vegas Harry Reid Intl

Sat 8/8

22:10-07:45

1 stop25h 35m

£594

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Sat 25/7

10:30-20:00

1 stop17h 30m

Las Vegas Harry Reid Intl

Fri 31/7

15:23-16:35

2 stops17h 12m

£645

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Thu 30/7

12:00-21:04

2 stops17h 04m

Las Vegas Harry Reid Intl

Thu 6/8

06:35-07:55

2 stops17h 20m

£658

Flights are sorted by cheapest return flights first.

Deals found on 9/6

Showing 1-10 of 16 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
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 £336). Flying from Ireland to Las Vegas in July is currently the most expensive (average of £490). 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.

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 66 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

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 10 June 2026.
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
1,527 reviews
Check prices

Food

7.3

Boarding

7.8

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,527 reviews
KLM
7.8
Good
1,527 reviews
Check prices

Food

7.3

Boarding

7.8

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Aer Lingus
7.3
Good
1,599 reviews
KLM
7.8
Good
1,527 reviews
Check prices

Food

7.3

Boarding

7.8

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
American Airlines
7.1
Good
11,640 reviews
KLM
7.8
Good
1,527 reviews
Check prices

Food

7.3

Boarding

7.8

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Iberia
7.0
Good
3,232 reviews
KLM
7.8
Good
1,527 reviews
Check prices

Food

7.3

Boarding

7.8

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
British Airways
6.7
Okay
8,034 reviews
KLM
7.8
Good
1,527 reviews
Check prices

Food

7.3

Boarding

7.8

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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?

    The Ireland to Las Vegas Harry Reid Intl flight path was viewed by 170 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 British Airways, Finnair, and Lufthansa fly from Ireland to Las Vegas in about 17h 30m. The time it takes to get you to your destination can typically vary by up to 3h 50m. 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 (92%), Qatar Airways (92%) or Aer Lingus (92%) 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 £455. While the most popular route (Dublin - Las Vegas Harry Reid Intl) can be booked for £503 on average, our data indicates £576 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 £336). Flying from Ireland to Las Vegas in July is currently the most expensive (average of £490). 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
Furnace Creek
Henderson

Browse thousands of different options on Cheapflights for your next trip

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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 10 June 2026.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£352Average£444FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Aer LingusCheapest£367Average£525FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
KLMCheapest£368Average£511FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£370Average£405FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IberiaCheapest£377Average£593FlexibilityNo cancel feeOn-time77%
Search Iberia flights
American AirlinesCheapest£378Average£502FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest£395Average£433FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air FranceCheapest£396Average£492FlexibilityNo cancel feeOn-time77%
Search Air France flights
Air CanadaCheapest£430Average£553FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest£440Average£565FlexibilityNo cancel feeOn-time69%
Search United Airlines 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.

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