Cheap flights from Ireland to Las Vegas from €336

The month of January is, on average, the cheapest month to fly to Las Vegas from Ireland, with most prices found around €524. If you aren’t able to travel to Las Vegas during the month of January, then flying in December is also cheap. Prices for this month can be found on momondo for an average of €575.

The cheapest day to depart from Ireland to Las Vegas is on a Tuesday. Travellers who choose to depart for Las Vegas on a Tuesday will often find tickets for as low as €628. On the other hand, Friday is the most expensive day to depart from Ireland because it is more convenient for both business and leisure travellers. As a result, prices tend to be around €682.

Our most recent data shows that the best time of day to fly to Las Vegas is in the afternoon. Flights from Ireland to Las Vegas during this time can be as low as €631. In contrast, the most expensive time of day to depart to Las Vegas is at midday when prices are around €693.

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 €642 when searching weeks before you fly. 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 €533 on momondo.

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

Delta and KLM are the most popular carriers operating from Ireland to Las Vegas Harry Reid Intl

Aer Lingus, British Airways and American Airlines 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 48% of people opting to fly with this airline when travelling to Las Vegas. Keep in mind that there are 7 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 Ireland 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 departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Thursday is statistically the day of the week that experiences the fewest 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 fewest delays on this route over the last 12 months, with about 5% of their flights experiencing any sort of delay.

As of October 2026, there are 1 flights per day flying from Ireland to Las Vegas. The most common time of day flights depart is 14:00, with 100% of flights taking off in the afternoon.

The number of flights available between Ireland and Las Vegas is 8 per week as of October 2026. The most frequent departure day is Fri, with 50% of weekly flights leaving on this day.