CityJet and Air France are to start twice-daily flights from Shannon to Paris' Charles de Gaulle airport on February 4.
CityJet is taking advantage of the Shannon Airport European Hub Incentives Offer in establishing the route.
The airline said today the flights would "provide connectivity to 248 non-stop destinations from Paris Charles de Gaulle. This compares with the 169 destinations out of Heathrow."
The will also be connectivity to another 840 onward destinations through the Skyteam Alliance of which the Air France KLM group is a member.
Shannon Airport director Martin Moroney said that the decision was a "hugely significant development for businesses in the West as they are now guaranteed greater-than-ever connectivity to key international markets through the region’s gateway airport in Shannon".