| Republic of Ireland Leinster Senior League | 2018/08/30 17:30 | Swords Celtic FC v Ballymun United | W | 4-2 |
| Republic of Ireland Leinster Senior League | 2018/08/26 10:00 | Ballymun United v Swords Celtic FC | L | 2-1 |
| Republic of Ireland Leinster Senior Cup | 2018/09/26 19:00 | Swords Celtic FC v Leixlip United | L | 3-5 |
| Republic of Ireland Leinster Senior League | 2018/09/21 18:58 | Swords Celtic FC v Sacred Heart Firhouse Clover | W | 2-1 |
| Republic of Ireland Leinster Senior League | 2018/08/31 18:58 | Swords Celtic FC v Malahide Utd | D | 1-1 |
| Republic of Ireland Leinster Senior League | 2018/08/30 17:30 | Swords Celtic FC v Ballymun United | W | 4-2 |
| Republic of Ireland Leinster Senior League | 2018/08/26 10:00 | Ballymun United v Swords Celtic FC | L | 2-1 |
| Republic of Ireland Leinster Senior League | 2018/08/22 18:45 | St Mochtas v Swords Celtic FC | L | 2-0 |
| Republic of Ireland Leinster Senior League | 2018/08/17 18:45 | Swords Celtic FC v Killester Donnycarney FC | L | 0-1 |
| Republic of Ireland Leinster Senior League | 2018/05/17 19:05 | Liffey Wanderers v Swords Celtic FC | L | 5-1 |
| Republic of Ireland Leinster Senior League | 2018/09/23 11:00 | Crumlin United v Ballymun United | L | 6-1 |
| Republic of Ireland Leinster Senior League | 2018/09/07 19:00 | Newbridge Town FC v Ballymun United | D | 0-0 |
| Republic of Ireland Leinster Senior League | 2018/08/30 17:30 | Swords Celtic FC v Ballymun United | L | 4-2 |
| Republic of Ireland Leinster Senior League | 2018/08/29 17:45 | Portmarnock AFC v Ballymun United | L | 2-1 |
| Republic of Ireland Leinster Senior League | 2018/08/27 19:00 | Crumlin United v Ballymun United | W | 0-6 |
| Republic of Ireland Leinster Senior League | 2018/08/26 10:00 | Ballymun United v Swords Celtic FC | W | 2-1 |
| Club Friendly List | 2018/07/31 19:30 | Crumlin United v Ballymun United | L | 3-1 |
| Europe Friendlies | 2018/07/24 19:30 | Ballymun United v Greenhills/Greenpark FC | W | 5-1 |