If you aren’t able to travel to Lyon during the month of January, then flying in May is also cheap. Prices for this month can be found on momondo for an average of 152€.
We recommend purchasing flights from Ireland to Lyon 60 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to Lyon for 185€. Keep in mind that you might also find cheap flights to Lyon outside of this time window. In fact, momondo users recently found flights from Ireland to Lyon for 102€.
The cheapest day to depart from Ireland to Lyon is on a Saturday when prices can be found for as low as 160€. 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 210€.