Cheap flights from Ireland to Las Vegas from £320

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 16/3. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — LAS
23 Feb — 2 Mar1
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 24 January 2026.

Thu 29/108:50
DUB
-
LAS
2 stops21h 26m
Delta
Sat 14/210:45
LAS
-
DUB
2 stops17h 55m
Delta
Deal found 22/1£365
Thu 5/205:55
DUB
-
LAS
2 stops18h 51m
Delta
Sat 21/206:05
LAS
-
DUB
2 stops17h 40m
Delta
Deal found 23/1£366
Thu 12/206:00
DUB
-
LAS
2 stops19h 30m
Delta
Thu 26/206:00
LAS
-
DUB
2 stops17h 45m
Delta
Deal found 23/1£368
Sun 22/209:45
DUB
-
LAS
1 stop16h 38m
Delta
Sun 1/322:10
LAS
-
DUB
1 stop25h 35m
Delta
Deal found 23/1£371
Sat 28/209:45
DUB
-
LAS
1 stop15h 52m
Delta
Thu 5/306:00
LAS
-
DUB
2 stops17h 45m
Delta
Deal found 23/1£372
Thu 5/210:45
DUB
-
LAS
1 stop16h 29m
Delta
Sat 14/209:35
LAS
-
DUB
2 stops19h 05m
Delta
Deal found 22/1£373
Sat 28/205:55
DUB
-
LAS
1 stop16h 20m
KLM
Thu 5/316:05
LAS
-
DUB
1 stop16h 15m
KLM
Deal found 23/1£379
Wed 16/909:40
DUB
-
LAS
2 stops20h 46m
Finnair
Wed 30/911:04
LAS
-
DUB
1 stop14h 41m
Finnair
Deal found 22/1£381
Tue 10/308:50
DUB
-
LAS
1 stop13h 25m
Delta
Tue 17/309:25
LAS
-
DUB
1 stop15h 20m
Delta
Deal found 23/1£382
Thu 12/313:10
DUB
-
LAS
2 stops18h 12m
British Airways
Tue 17/312:39
LAS
-
DUB
2 stops16h 31m
British Airways
Deal found 22/1£382
Mon 9/311:30
DUB
-
LAS
1 stop18h 05m
Iberia
Mon 16/310:31
LAS
-
DUB
1 stop15h 09m
Iberia
Deal found 23/1£383
Thu 12/308:50
DUB
-
LAS
1 stop13h 25m
KLM
Fri 20/323:35
LAS
-
DUB
1 stop26h 10m
KLM
Deal found 23/1£386

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 24 January 2026.

Round-trip from

£365

One-way from

£320

Popular in

August

Cheapest in

January

Average price

£419

Good round-trip deal

£496 or less
Delta
  • Delta
  • 5/2-14/2
  • 4 total stops
  • 42h 05m total
  • Ireland to Las Vegas
16/3
  • 16/3
  • 3 total stops
  • 49h 35m total
  • Ireland to Las Vegas
Highest demand for flights based on searches. 11% potential increase in price (£46 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 January 2026
Price to beat on a round-trip flight from Ireland to Las Vegas Harry Reid Intl.

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 24 January 2026.
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

Sun 22/2

09:45-23:22

2 stops21h 37m

Las Vegas Harry Reid Intl

Sun 1/3

12:14-07:45

1 stop11h 31m

£371

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Sat 28/2

09:45-17:37

1 stop15h 52m

Las Vegas Harry Reid Intl

Thu 5/3

06:00-07:45

2 stops17h 45m

£372

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Thu 12/3

05:55-15:15

1 stop16h 20m

Las Vegas Harry Reid Intl

Tue 17/3

06:08-07:45

2 stops18h 37m

£382

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Tue 10/3

08:50-15:15

1 stop13h 25m

Las Vegas Harry Reid Intl

Tue 17/3

06:00-08:45

2 stops19h 45m

£382

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Tue 10/3

08:50-21:00

2 stops19h 10m

Las Vegas Harry Reid Intl

Tue 17/3

12:39-12:10

2 stops16h 31m

£382

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Mon 9/3

05:55-17:38

2 stops18h 43m

Las Vegas Harry Reid Intl

Mon 16/3

23:35-07:45

1 stop25h 10m

£386

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Fri 13/3

09:45-23:55

2 stops21h 10m

Las Vegas Harry Reid Intl

Sun 22/3

23:35-08:45

1 stop26h 10m

£393

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Fri 8/5

08:35-20:00

1 stop19h 25m

Las Vegas Harry Reid Intl

Thu 14/5

09:22-12:05

2 stops18h 43m

£399

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Fri 8/5

11:10-18:35

1 stop15h 25m

Las Vegas Harry Reid Intl

Fri 15/5

20:25-22:25

1 stop18h 00m

£407

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Mon 16/3

20:20-14:55

3 stops49h 35m

£320

Flights are sorted by cheapest return flights first.

Deals found on 22/1

Showing 1-10 of 13 results
1
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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 £337). Flying from Ireland to Las Vegas in July is currently the most expensive (average of £495). 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 24 January 2026.

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 13% of weekly flights between Ireland and Las Vegas have experienced delays in the past year, with the average delay time being 88 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?

Tuesday 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 13% 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 24 January 2026.
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.

Food

7.3

Comfort

7.6

Boarding

7.8

Crew

8.4

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

Food

7.3

Comfort

7.6

Boarding

7.8

Crew

8.4

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

Food

7.3

Comfort

7.6

Boarding

7.8

Crew

8.4

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

Food

7.3

Comfort

7.6

Boarding

7.8

Crew

8.4

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

Food

7.3

Comfort

7.6

Boarding

7.8

Crew

8.4

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

Food

7.3

Comfort

7.6

Boarding

7.8

Crew

8.4

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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 Delta fly from Ireland to Las Vegas in about 21h 37m. The time it takes to get you to your destination can typically vary by up to . There are 4938 mi between Ireland and Las Vegas.

  • 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 (79%), Qatar Airways (79%) or Aer Lingus (79%) 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 £456. While the most popular route (Dublin - Las Vegas Harry Reid Intl) can be booked for £343 on average, our data indicates £557 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 £337). Flying from Ireland to Las Vegas in July is currently the most expensive (average of £495). 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
Kingman

Browse thousands of different options on Cheapflights for your next trip

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Top 9 airlines flying from Ireland to Las Vegas

Discover the top 9 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 24 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest£337Average£410FlexibilityNo cancel feeOn-time77%
Search Air France flights
IberiaCheapest£341Average£424FlexibilityNo cancel feeOn-time77%
Search Iberia flights
United AirlinesCheapest£341Average£492FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£343Average£398FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£345Average£463FlexibilityNo cancel feeOn-time75%
Search KLM flights
Aer LingusCheapest£362Average£496FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
American AirlinesCheapest£375Average£536FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest£390Average£470FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest£428Average£511FlexibilityNo 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.

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