Cheap Bus tickets to Shannon

What are the most popular routes to Shannon?

Galway - ShannonAverage price$38Average duration2hDaily departures42
Cork - ShannonAverage price$94Average duration4h 39mDaily departures26
Dublin - ShannonAverage price$119Average duration9h 45mDaily departures96
Limerick - ShannonAverage price$20Average duration29mDaily departures14
Ennis - ShannonAverage price$19Average duration45mDaily departures55