The average bus between Donegal and Portmarnock takes 4h 48m and the fastest bus takes 4h 22m. There is a bus service every few hours from Donegal to Portmarnock. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run hourly between Donegal and Portmarnock. The earliest departure is at 1:00 AM at night, and the last departure from Donegal is at 7:00 PM which arrives into Portmarnock at 11:46 PM. All services require a transfer at Dublin Airport Terminal 2 Zone 19 and take an average of 4h 48m. The schedules shown below are for the next available departures.

5h 27m • 1 change

4h 27m • 1 change

4h 54m • 1 change

4h 45m • 1 change

5h 27m • 1 change

4h 27m • 1 change

4h 54m • 1 change

4h 45m • 1 change

5h 22m • 1 change

4h 22m • 1 change

4h 24m • 1 change

4h 44m • 1 change

5h 20m • 1 change

4h 51m • 1 change

4h 50m • 1 change

4h 52m • 1 change
Want to know about travelling from Donegal to Portmarnock? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct bus from Donegal to Portmarnock. However, there are services departing from Donegal station and arriving at Portmarnock station via Dublin Airport Terminal 2 Zone 19. The journey, including transfers, takes approximately 4h 48m.
Donegal to Portmarnock bus services, operated by Expressway (Bus Éireann), depart from Donegal station.
Donegal to Portmarnock bus services, operated by Expressway (Bus Éireann), arrive at Dublin Airport Terminal 2 Zone 19 station.
The distance between Donegal and Portmarnock is 188.1 km. The road distance is 256 km.
Expressway (Bus Éireann) operates a bus from Donegal to Dublin Airport Terminal 2 Zone 19 hourly. Tickets cost €26–40 and the journey takes 3h 43m.