Fly Thomas Cook, one of the many airlines flying to Dalaman that offers cheap flights, flies from many UK airports including Aberdeen, Newcastle, Doncaster, Humberside and Belfast. There are daily flights from Birmingham to Dalaman with Thomas Cook Airlines.
Easyjet flies direct from Edinburgh to Dalaman on a Saturday.
We find skyscanner a useful starting point when looking for flights to Dalaman in Turkey.
Turkish Airlines now fly from Edinburgh airport.
Jet2.com fly to Dalaman airport from East Midlands, Glasgow, Leeds Bradford, Manchester and Newcastle. Flights from Newcastle and Glasgow start from as early as May.
Pegasus Airlines is also worth considering as their prices are quite reasonable if you don't mind a connecting flight through Istanbul.