Cheap flights from Dublin to Las Vegas from $315

The month of January is, on average, the cheapest month to fly to Las Vegas from Dublin, with most prices found around $579. The month of November is another great option to travel to Las Vegas, with average flight prices from Dublin averaging around $600.

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 $591. Flights from Dublin to Las Vegas on a Tuesday will generally be more expensive and average around $765. 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 Dublin - Las Vegas Harry Reid Intl flight prices

You are more likely to see cheaper flights to Las Vegas from Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $687 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from Dublin for as low as $625 on momondo.

There is only 1 cabin class available to choose from on Dublin to Las Vegas flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

As of July 2026, prices for Dublin to Las Vegas flights are approximately 5% cheaper when compared to flights at the same time last year.

JetBlue is the most popular carrier operating from Dublin 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 Dublin according to our data. Aer Lingus is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Las Vegas. Keep in mind that there are 4 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 5% of flights between Dublin and Las Vegas have experienced a delay on any given week. The average delay length over the past 12 months has been 90 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.

Thursday 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 5% of their flights experiencing any sort of delay.

Paris (CDG) was the most common stop: 83% of momondo users choosing 1-stop flights on this route connected there.

Flights via Paris (CDG) offer the lowest average round-trip price of $490.

Flights connecting via Dallas (DFW) have the shortest average one-way travel time: 13h 38m.

Dallas (DFW) has the shortest average layover time for this route: 1h 27m.