Loganair has launched several new Heathrow routes.
The UK’s largest regional airline is now offering connections to London's biggest airport from Derry, Dundee, Orkney and Shetland; in addition to existing Isle of Man services.
Derry flights switched from London Stansted on 6 May, while flights to Dundee left from Heathrow -previously London City - for the first time in 40 years on Tuesday.