$378 Cheap Flights from Dublin (DUB) to Las Vegas (LAS)

View $378 flight on Tue, Oct 21, 2025Opens in a new window

Popular airlines from Dublin Airport (DUB) to Harry Reid Intl. Airport (LAS)

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Cheap Flights from Dublin to Las Vegas (DUB-LAS)

Prices were available within the past 7 days and start at $378 for one-way flights and $526 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Thu, Dec 4 - Thu, Dec 11
DUB
Dublin
LAS
Las Vegas
$526 Roundtrip, found 5 days ago
$526
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Thu, Dec 4 from Dublin to Las Vegas, returning Thu, Dec 11, priced at $526 found 5 days ago
Aer Lingus
Thu, Dec 4 - Thu, Dec 11
DUB
Dublin
LAS
Las Vegas
$529 Roundtrip, found 5 days ago
$529
Roundtrip
found 5 days ago
Select Aer Lingus flight, departing Thu, Dec 4 from Dublin to Las Vegas, returning Thu, Dec 11, priced at $529 found 5 days ago
Aer Lingus
Sat, Nov 29 - Sat, Dec 6
DUB
Dublin
LAS
Las Vegas
$531 Roundtrip, found 4 days ago
$531
Roundtrip
found 4 days ago
Select Aer Lingus flight, departing Sat, Nov 29 from Dublin to Las Vegas, returning Sat, Dec 6, priced at $531 found 4 days ago
American Airlines
Sat, Nov 29 - Sat, Dec 6
DUB
Dublin
LAS
Las Vegas
$533 Roundtrip, found 4 days ago
$533
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Nov 29 from Dublin to Las Vegas, returning Sat, Dec 6, priced at $533 found 4 days ago
Lufthansa
Mon, Nov 10 - Mon, Nov 17
DUB
Dublin
LAS
Las Vegas
$536 Roundtrip, found 3 days ago
$536
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Mon, Nov 10 from Dublin to Las Vegas, returning Mon, Nov 17, priced at $536 found 3 days ago
Air Canada
Wed, Nov 5 - Mon, Nov 10
DUB
Dublin
LAS
Las Vegas
$537 Roundtrip, found 5 days ago
$537
Roundtrip
found 5 days ago
Select Air Canada flight, departing Wed, Nov 5 from Dublin to Las Vegas, returning Mon, Nov 10, priced at $537 found 5 days ago
Lufthansa
Tue, Nov 4 - Wed, Dec 3
DUB
Dublin
LAS
Las Vegas
$538 Roundtrip, found 1 day ago
$538
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Tue, Nov 4 from Dublin to Las Vegas, returning Wed, Dec 3, priced at $538 found 1 day ago
American Airlines
Thu, Oct 30 - Tue, Nov 4
DUB
Dublin
LAS
Las Vegas
$540 Roundtrip, found 1 day ago
$540
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Oct 30 from Dublin to Las Vegas, returning Tue, Nov 4, priced at $540 found 1 day ago
British Airways
Mon, Nov 3 - Wed, Nov 12
DUB
Dublin
LAS
Las Vegas
$541 Roundtrip, found 5 days ago
$541
Roundtrip
found 5 days ago
Select British Airways flight, departing Mon, Nov 3 from Dublin to Las Vegas, returning Wed, Nov 12, priced at $541 found 5 days ago
United
Mon, Nov 3 - Tue, Nov 18
DUB
Dublin
LAS
Las Vegas
$551 Roundtrip, found 3 days ago
$551
Roundtrip
found 3 days ago
Select United flight, departing Mon, Nov 3 from Dublin to Las Vegas, returning Tue, Nov 18, priced at $551 found 3 days ago

Find the cheapest month to fly from Dublin (DUB) to Las Vegas (LAS)

November is typically the cheapest month to fly

From $425 - $791 per traveler.

Graph displaying average flight prices per month

Alternative airports near Las Vegas

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to McCarran Intl. LAS. Cheapest and Closest option available. Average driving time to city center is 6 minutes. Flights from $949
LAS
McCarran Intl.
CheapestClosest
Average driving time to city center6 min
Flights from $949
Flights from Dublin (DUB) to Las Vegas (LAS)
Origin airport
Dublin
Destination airport
Harry Reid Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Swiss International Air Lines, United, WestJet
Roundtrip price
$526
Distance
4941 mi

Dublin to Las Vegas Flights

The cheapest times to fly from Dublin to Las Vegas

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Dublin to Las Vegas are during the month of December. You can find some of the cheapest flights from Dublin to Las Vegas with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Dublin to Las Vegas

Sunday is one of the best days to book for cheap flights from Dublin to Las Vegas: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Dublin to Las Vegas

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Dublin to Las Vegas in 2025. You can also book with separate airlines for your outbound and return journeys, from $378 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Dublin to Las Vegas flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Dublin to Las Vegas airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Dublin Airport (DUB) to Harry Reid Intl. Airport (LAS) cost?
Discover the latest flight deals from DUB to LAS by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from DUB to LAS?
The cheapest flights from DUB to LAS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Dublin Airport (DUB) to Harry Reid Intl. Airport (LAS)?
Take a direct flight with Aer Lingus and travel straight from Dublin Airport (DUB) to Harry Reid Intl. Airport (LAS).
What is the cheapest airline that flies from DUB to LAS?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from DUB to LAS. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Dublin Airport (DUB) to Harry Reid Intl. Airport (LAS)?
On average you can take your pick of 3 direct flights each week from Dublin Airport (DUB) to Harry Reid Intl. Airport (LAS). To expand your choices, consider a flight with a layover. Just enter your details on Expedia and then filter your search to include one or more stops.
What are the most popular departure times for flights from Dublin Airport (DUB) to Harry Reid Intl. Airport (LAS)?
The 3 PM departures from DUB to LAS are the top choice for many travelers. Greater demand means you'll likely pay more for these departures. If you're hoping to save money, pick a less crowded time to fly.
What day of the week has the most flights from DUB to LAS?
Travel on a Thursday if you're looking for the largest selection of flights from Dublin Airport (DUB) to Harry Reid Intl. Airport (LAS).
What is the earliest flight from Dublin Airport (DUB) to Harry Reid Intl. Airport (LAS)?
Dublin Airport (DUB)'s earliest flight to Harry Reid Intl. Airport (LAS) departs at approximately 3:20PM UTC+0. With a total journey time of 10h 30m, you'll arrive at around 5:50PM UTC-8.
How long does it take to fly from Dublin Airport (DUB) to Harry Reid Intl. Airport (LAS)?
The average flight duration from DUB to LAS is 10 hours and 30 minutes, covering a distance of 4,900 mi.
What is the best time to fly from Dublin Airport (DUB) to Harry Reid Intl. Airport (LAS)?
To land at Harry Reid Intl. Airport (LAS) on time, choose a flight that leaves from Dublin Airport (DUB) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Las Vegas from Dublin Airport (DUB)?
Harry Reid Intl. Airport (LAS) is the only airport in Las Vegas with direct flights from Dublin Airport (DUB). Check out the available options and discover affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Dublin Airport (DUB) to Harry Reid Intl. Airport (LAS) last-minute?
Booking your flight from DUB to LAS shortly before your trip is typically more expensive. But if there's some wiggle room with your itinerary, you could score a cheap last-minute fare.
Is it cheaper to book a DUB to LAS flight and hotel package?
Securing a DUB to LAS flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Choose from our impressive range of accommodations and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Dublin Airport (DUB) to Harry Reid Intl. Airport (LAS)?
If you booked your DUB to LAS flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more details.

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*Available to One Key members.