Next bus departures
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
 | Bus | Sligo Bus Station | Letterkenny Port | CheapestFastest | ||||
| Bus | Sligo Bus Station | Letterkenny Port | No tags | ||||
| Bus | Sligo Bus Station | Letterkenny Port | No tags | ||||
| Bus | Sligo Bus Station | Letterkenny Port | No tags | ||||
| Bus | Sligo Bus Station | Letterkenny Port | No tags |
Last refresh of the prices: Last Wednesday at 1:43 PM GMT.
Get from Sligo to Letterkenny
The journey takes about 1 hour 55 minutes, and with fares starting at just $39, it presents an excellent value for a comfortable ride.
Where are the popular stops in Sligo and Letterkenny?
Stops in Sligo
- A
Sligo Bus Depot
Adelaide St, Abbeyquarter North, Sligo, Ireland - B
Sligo Bus Station
1 Knappagh Rd, Sligo, Ireland
Stops in Letterkenny
- A
Letterkenny - Bus Station
Ramelton Rd, Letterkenny, Co. Donegal, Ireland
Compare bus companies
Based on 497 reviews, the company was rated 3.8 stars on Busbud. Travellers were especially satisfied with the staff and the ticket access but often complained with the Wi‑Fi. Expressway ticket prices on this trip start at $39
Frequently asked questions about travelling from Sligo to Letterkenny by bus
Please note that schedules, routes, or operator details shown here may be updated or vary at the time of your trip.
How much is the bus ticket from Sligo to Letterkenny?
The cheapest bus tickets from Sligo to Letterkenny start from $39. The average price for this route is around $41. Busbud recommends that you book your tickets in advance for a better chance to get the lowest possible price.
How long is the bus ride from Sligo to Letterkenny?
The average bus travel time from Sligo to Letterkenny is 1h 55m, covering a distance of 91 km. The quickest bus can get you there in 1h 48m and is operated by Expressway.
Which bus companies service the Sligo to Letterkenny route?
Several major bus companies operate on this route with 19 buses available per day.
What are the earliest and latest departure times for the bus from Sligo to Letterkenny?
The earliest bus departs from Sligo to Letterkenny at 7:35am. And the latest bus departs at 7:05pm.
What are the CO₂ emissions for the bus trip from Sligo to Letterkenny?
A bus trip from Sligo to Letterkenny generates an estimated 2 kg of CO₂, making it a highly eco-friendly travel option and a mode of travel recommended by Busbud.
Find cheapest prices for buses
Price is for a one-way ticket for one passenger and based on past searches.
The cheapest trip from Sligo to Letterkenny was searched and found on Feb 8, 2026 with a price of $17To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Sligo to Letterkenny, as early as possible.
You can expect to pay from $17 to $37 for a bus ticket from Sligo to Letterkenny based on the last 2 days. You can expect to find the cheapest price for the trip at $17 which is on 2026-02-08.
