Frequency is being boosted on five key Flybe routes from Southampton this winter.
The regional carrier is also adding 28 return flights over the October and February school half terms and peak festive season to Belfast City, Edinburgh and Manchester.
Addition departures have been scheduled to Edinburgh, Glasgow, Newcastle, Alicante and Bergerac for travel between October 28 and March 30.
The airline’s total winter schedule from Southampton covers 20 routes with up to 237 flights a week.
Chief commercial officer Roy Kinnear said: “We are committed to grow our services from Southampton and so are pleased to offer our customers added choice this winter with more frequency on some of our most popular routes.”
Airport managing director Neil Garwood added: “We are delighted that Flybe has decided to expand on their winter seats capacity.
“Southampton airport offers a wide range of destinations not only for winter holidays but also for essential business travel, and it’s great to be able to offer even more choice of flights for our passengers.”