The cheapest month to fly to Las Vegas from Ireland is in February. Flight prices, which tend to average around 470€, are often lower during this time because this is during the off-season. If you are unable to visit Las Vegas during the month of February, then departing from Ireland during the month November is also very affordable. Most momondo users find prices during this month for around 500€.
Most flyers found that booking tickets 16 days in advance of their planned departure date is the best time to get cheap flights to Las Vegas. During this timeframe, flight prices are around 524€. Keep in mind that you might also find cheap flights to Las Vegas outside of this time window. In fact, momondo users recently found flights from Ireland to Las Vegas for 339€.
The cheapest day to depart on your flight to Las Vegas is on a Tuesday when prices can be found for as low as 495€. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday 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 546€.
The cheapest time of day to fly to Las Vegas is in the evening when flights can be purchased for as low as 505€. Flights to Las Vegas are more costly in the afternoon, with an average ticket price of 553€. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.