EasyJet has started new year-round flight from Southampton to Belfast and Glasgow.
The new domestic routes are designed to improve connectivity from the south of England.
Belfast International airport is being served three times a week on Mondays, Fridays and Sundays.
Flights to Glasgow are operating twice weekly on Thursdays and Saturdays.
One-way fares start at £22.50.
EasyJet country manager Ali Gayward said: “We are delighted to have launched our new services from Southampton to Belfast International and Glasgow, which will provide our customers in the south of England with direct and convenient departures to Northern Ireland and Scotland, making it easier for people to visit more of the fantastic destinations the UK has to offer for leisure or business.”
Southampton airport operations director Mark Beveridge said: “Following the recent completion of the runway extension, we are working hard and speaking regularly with our airline partners to deliver the routes and services the people of Southampton and the wider region deserve.”