Cheap flights from Dublin to Las Vegas from £346

In general, January is the cheapest month to fly from Dublin to Las Vegas. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £428. If you’re not able to fly to Las Vegas in January, then November is your next best option. Flight prices from Dublin to Las Vegas during November average around £456.

The cheapest day to depart on your flight to Las Vegas is on a Tuesday when prices can be found for as low as £440. This is often the case because there is less demand to fly during this day of the week. On the other hand, Thursday is the most expensive day to depart from Dublin because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £589.

Our data shows that the cheapest Dublin to Las Vegas flights are usually those with departure times in the afternoon. Our users have found flights to Las Vegas in the afternoon for as low as £482. Flights to Las Vegas are more costly at midday, with an average ticket price of £532. Departure times at midday fall within the peak daily travel times, which is why tickets can be more expensive.

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 £522 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 Dublin for as low as £434 on momondo.

There are 3 cabin classes 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.

You could potentially save up to 18% on your flight if you consider stops on a Dublin to Las Vegas flight.

As of August 2026, prices for Dublin to Las Vegas flights are approximately 36% more expensive when compared to flights at the same time last year.

WestJet and Aer Lingus are the most popular carriers operating from Dublin 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 Dublin according to our data. Aer Lingus is the first choice among our users, with 44% of people opting to fly with this airline when travelling to Las Vegas. Keep in mind that there are 10 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 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.

London (LHR) was the most common stop: 46% of momondo users choosing one-stop flights on this route connected there.

Flights via Philadelphia (PHL) offer the lowest average return price of £430.

Flights connecting via Dallas (DFW) have the shortest average one-way travel time: 13h 47m.

Dallas (DFW) has the shortest average stopover time for this route: 1h 17m.