Wednesday 19 August
| Time | Match | Score | Competition | Stadium |
|---|---|---|---|---|
| 20h00 |   Celtic vs Lask Linz | 3 - 0 | UEFA Champions League Stage : Play-offs | Celtic Park |
Tuesday 25 August
| Time | Match | Score | Competition | Stadium |
|---|---|---|---|---|
| 20h00 | Lask Linz vs Celtic | 5 - 1 | UEFA Champions League Stage : Play-offs | Raiffeisen Arena |
Thursday 17 September
| Time | Match | Score | Competition | Stadium |
|---|---|---|---|---|
| 20h00 |  Celtic vs Ferencvarosi TC | - | UEFA Europa League Stage : League phase J1 | Celtic Park |
Thursday 15 October
| Time | Match | Score | Competition | Stadium |
|---|---|---|---|---|
| 20h00 |  Benfica vs Celtic | - | UEFA Europa League Stage : League phase J2 | Estádio do Sport Lisboa e Benfica (da Luz) |
Thursday 22 October
| Time | Match | Score | Competition | Stadium |
|---|---|---|---|---|
| 20h00 |  Celtic vs Celta Vigo | - | UEFA Europa League Stage : League phase J3 | Celtic Park |
Thursday 5 November
| Time | Match | Score | Competition | Stadium |
|---|---|---|---|---|
| 21h00 |  Celtic vs Beşiktaş | - | UEFA Europa League Stage : League phase J4 | Celtic Park |
Thursday 26 November
| Time | Match | Score | Competition | Stadium |
|---|---|---|---|---|
| 21h00 |  Torreense vs Celtic | - | UEFA Europa League Stage : League phase J5 | Algarve Stadium |
Thursday 10 December
| Time | Match | Score | Competition | Stadium |
|---|---|---|---|---|
| 18h45 |  Omonia Nicosia vs Celtic | - | UEFA Europa League Stage : League phase J6 | GSP Stadium |
Thursday 21 January
| Time | Match | Score | Competition | Stadium |
|---|---|---|---|---|
| 21h00 |  Celtic vs Marseille | - | UEFA Europa League Stage : League phase J7 | Celtic Park |
Thursday 28 January
| Time | Match | Score | Competition | Stadium |
|---|---|---|---|---|
| 21h00 |  Union St. Gilloise vs Celtic | - | UEFA Europa League Stage : League phase J8 | Den Dreef |