The European travel giant said the additional flights, representing an extra 550,000 holidays, would go on sale to both existing and new customers through all distribution channels, including independent travel agents.
The uplift includes an increase in the frequency of flights from 13 regional airports, as well as the introduction of a number of new, exclusive routes.
Going on sale Friday (21 April), the new capacity includes 250,000 additional seats each to Turkey, Spain, Greece and Cyprus, 300,000 more seats to North Africa, 50,000 additional seats to Italy and Croatia and new Marella Cruises itineraries.
Andrew Flintham, Tui managing director UK and Ireland, said: "Our customers want more flexibility and to be able to choose a departure airport that is close to home – and that is exactly what the new Tui 2024 summer programme has been designed to do.
"The 2024 programme will see extra flights departing from across the UK with additional Tui flying from Glasgow, Bournemouth, Newcastle, Bristol, and East Midlands. Each region of the UK will see significant increase in flight seats offering more holidays to those living in the region."
Highlights of the summer 2024 programme include two additional aircraft and 180,000 extra flight seats at Glasgow airport and new flights to Cape Verde and Greece.
Also included is 100,000 additional seats from Birmingham with one additional aircraft and 13 exclusive routes to Agadir, Boa Vista, Cancun, Enfidha, Hurghada, Kavala, Marrakech, Orlando-Melbourne Florida, Montego Bay, Pula, Punta Cana, Sal and Sharm El Sheikh.
A new aircraft and a 33% increase of 60,000 additional seats from Bournemouth airport will also be on offer, with a new route to Enfidha, Tunisia and increased frequency to Ibiza, Lanzarote, Menorca, Heraklion, Paphos and Tenerife.
An additional aircraft at Bristol, providing new routes to Boa Vista and Cape Verde, as well as 120,000 additional short and mid-haul seats will be added and 130,000 extra seats from Manchester with an additional aircraft at the airport and daily departures to ten destinations will come into service, as well as a new route to Budapest.
