Cheap flights from Ireland to Las Vegas from $332

The month of January is, on average, the cheapest month to fly to Las Vegas from Ireland, with most prices found around $578. The month of November is another great option to travel to Las Vegas, with average flight prices from Ireland averaging around $585.

Our data shows that Saturday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $582. Flights from Ireland to Las Vegas on a Tuesday will generally be more expensive and average around $672. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Fly from Dublin to Las Vegas Harry Reid Intl for the best Ireland - Las Vegas Harry Reid Intl flight prices

You are more likely to see cheaper flights to Las Vegas from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $668 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from Ireland for as low as $587 on momondo.

There are 2 cabin classes available to choose from on Ireland to Las Vegas Harry Reid Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between Ireland to Las Vegas.

Aer Lingus is the most popular carrier operating from Ireland to Las Vegas Harry Reid Intl

Aer Lingus, American Airlines and Delta are the top three most popular airlines that fly to Las Vegas from Ireland according to our data. Aer Lingus is the first choice among our users, with 28% of people opting to fly with this airline when traveling to Las Vegas. Keep in mind that there are 5 different airlines that fly to Las Vegas on a routine basis, so you have a few additional options to choose from.

Historically, on average around 12% of flights between Ireland and Las Vegas have experienced a delay on any given week. The average delay length over the past 12 months has been 91 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

According to our data, Aer Lingus have had the least number of delays on this route over the last 12 months; with about 12% of their flights experiencing any sort of delay.

1 flights are operational daily from Ireland to Las Vegas as of March 2026. The most popular departure time for this route is 3:00PM, with 100% of flights per day taking off in the afternoon.

As of March 2026, 7 flights take off from Ireland and land in Las Vegas each week. The most common flight departure day for this route is Tue, with 71% of weekly flights taking off on this day.