Bus Eireann operates a bus from Letterkenny to Derry Airport (LDY) every 2 hours. Tickets cost $10 - $14 and the journey takes 38 min. Translink UK also services this route hourly.
How to get from Letterkenny to Derry Airport (LDY)
From Letterkenny, Letterkenny It line 64 bus to Derry Londonderry Foyle Buscentre then line 143 bus to Eglinton City Of Derry Airport. 1 h 33 min 14€. From Letterkenny drive to Derry Airport (LDY). 40 min 6€.