The town of Shannon is well served by Shannon Airport which is the second biggest airport in the Republic of Ireland after Dublin airport. Shannon Airport is well connected with the UK, Europe and the United States and is one of the very few international airports with US border preclearance.
In terms of scheduled passenger airlines, Aer Lingus, Belavia, Centralwings, [http://www.continental.com Continental Airlines], [http://www.delta.com Delta Air Lines], Ryanair and US Airways are the main carriers with [http://www.ryanair.com Ryanair] accounting for up to 60% of the total aircraft movements at Shannon Airport.
Recently there has been much controversy after [http://www.aerlingus.com Aer Lingus] moved their London Heathrow (LHR) slots from Shannon Airport (SNN) to [http://www.belfastairport.com Belfast International] (BFS)
The town of Shannon is mainly served by [http://www.buseireann.ie Bus Eireann]. A single adult fare from Dublin to Shannon with Bus Eireann costs ?14.90 with return tickets available from ?20.50 depending on the day of the week.
Shannon Airport is well served by Bus Eireann with a total of 136 buses serving the airport on a daily basis. From Shannon Airport, and with changes in either Cork, Ennis, Galway or Limerick, most locations within Ireland are accessible.
Among the other major bus operators to Shannon Airport are [http://www.citylink.ie Citylink] who provide a link between Galway City and Shannon Airport, and [http://www.jjkavanagh.ie JJ Kavanagh & Sons] which connects Shannon Airport to Limerick and Dublin.
While the town of Shannon is not served by a train station, it is possible to travel to Limerick by train, and then either connect to Shannon by bus or taxi. Limerick is directly connected to Dublin, Cork, Waterford and Rosslare by [http://www.irishrail.ie Irish Rail]
The town of Shannon is relatively well connected with the rest of Ireland due to its close proximity to Limerick City which is situated within 20 kilometers of Shannon. Recently major upgrades along the N7 (Dublin - Limerick), the N18 (Galway - Limerick) and the N20 (Cork - Limerick) have improved the accessibility of Shannon immensly.
The car rental companies in Shannon all have locations at Shannon Airport. Bellow are the car rental companies listed on the official [http://www.shannonairport.com Shannon Airport] website as having locations at Shannon Airport.