Dublin to Donegal is 140 miles (225 km), a flight of about 45 minutes.
The left side offers Dublin's western suburbs on departure and, more importantly, the scenic Donegal Bay coastline and Ben Bulben mountain on approach, while the right side mostly shows flat inland midlands with no coastal or mountain drama.
Flight Path
Irish midlands farmland, distant Sligo/Donegal coastal hills
Great circle distance and headings ›Phase by phase

Takeoff from DUB
LEFTDeparting Dublin on runway 28, the aircraft climbs west over the city before turning north toward Donegal, giving left-side passengers a view of Dublin's western suburbs and the Wicklow foothills before the turn puts the Irish midlands ahead.
Landing at CFN
LEFTOn approach into Donegal Airport, the flight path hugs the west coast, and left-side passengers get views of Donegal Bay, the dramatic Sligo coastline, and the distinctive flat-topped Ben Bulben mountain as the plane descends toward runway 02/20.
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About This Route
Which side of the plane should I sit on flying from Dublin (DUB) to Donegal Airport (CFN)?
Sit on the Left side of the plane for the best views on flights from Dublin to Donegal. The left side offers Dublin's western suburbs on departure and, more importantly, the scenic Donegal Bay coastline and Ben Bulben mountain on approach, while the right side mostly shows flat inland midlands with no coastal or mountain drama.
What can I see during takeoff from Dublin in Dublin?
During takeoff from Dublin (DUB), sit on the Left side for the best views. Departing Dublin on runway 28, the aircraft climbs west over the city before turning north toward Donegal, giving left-side passengers a view of Dublin's western suburbs and the Wicklow foothills before the turn puts the Irish midlands ahead. Notable sights include: Dublin city outskirts, Wicklow Mountains foothills, River Liffey valley, Irish midlands patchwork fields.
What can I see when landing at Donegal Airport in Donegal?
When landing at Donegal Airport (CFN), sit on the Left side for the best views. On approach into Donegal Airport, the flight path hugs the west coast, and left-side passengers get views of Donegal Bay, the dramatic Sligo coastline, and the distinctive flat-topped Ben Bulben mountain as the plane descends toward runway 02/20. Notable sights include: Donegal Bay, Ben Bulben, Sligo Bay coastline, Atlantic cliffs near Donegal.
How long is the flight from Dublin to Donegal?
The flight from Dublin (DUB) to Donegal Airport (CFN) takes about 45 minutes. The shortest flight path between them is 140 miles (225 km); winds and air traffic control usually add a few percent.
What does the Dublin to Donegal flight path pass over?
Irish midlands farmland, distant Sligo/Donegal coastal hills