On average, the least expensive day to fly to Nairobi from Ireland is on a Thursday. momondo users have found tickets for Thursday departures for as low as 545€. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Ireland to Nairobi on a Monday will generally be more expensive and average around 578€. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
At midday is the cheapest time of day to fly from Ireland to Nairobi when you can find flight prices for as low as 531€. Flying to Nairobi at midday is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the evening because they tend to be around 606€. Of course, these prices can vary depending on the time of year and what airport you fly to.