Dublin-Doha frequency is being raised by Qatar Airways as part of travel industry pandemic recovery.
The schedule is going up from seven to ten flights a week, with Boeing 787 Dreamliner aircraft deployed on the route.
The expansion from March 27 is to accommodate rising demand for international travel, according to the Gulf carrier.
The rise in capacity will give Irish passengers greater access Qatar Airways’ global network.
The most popular destinations from the Irish capital include Australia, Thailand, India, the Maldives and the Philippines.
Schedule changes will also see even further improved connectivity to Australia and New Zealand.
UK and Ireland country manager Gary Kershaw said: “Demand for flights and international travel is returning at pace, and we are absolutely thrilled to be able to offer our passengers flying from Dublin more choice about how and when they fly.
“We look forward to seeing these changes come into effect later this year, a moment which will mark another important step in the travel industry’s recovery from the pandemic.”
Qatar Airways has been operating the Dublin-Doha route for five years.