Thursday 20 August
| Time | Match | Score | Competition | Stadium |
|---|---|---|---|---|
| 18h00 |   Egnatia Rrogozhinë vs Lillestrom | 0 - 0 | UEFA Europa League Stage : Play-offs | Demrozi Stadium |
Thursday 27 August
| Time | Match | Score | Competition | Stadium |
|---|---|---|---|---|
| 18h00 | Lillestrom vs Egnatia Rrogozhinë | 2 - 1 | UEFA Europa League Stage : Play-offs | Åråsen |
Thursday 17 September
| Time | Match | Score | Competition | Stadium |
|---|---|---|---|---|
| 20h00 |  Lillestrom vs Torreense | - | UEFA Europa League Stage : League phase J1 | - |
Thursday 15 October
| Time | Match | Score | Competition | Stadium |
|---|---|---|---|---|
| 17h45 |  Sparta Praha vs Lillestrom | - | UEFA Europa League Stage : League phase J2 | epet Arena |
Thursday 22 October
| Time | Match | Score | Competition | Stadium |
|---|---|---|---|---|
| 20h00 |  Lillestrom vs Real Sociedad | - | UEFA Europa League Stage : League phase J3 | - |
Thursday 5 November
| Time | Match | Score | Competition | Stadium |
|---|---|---|---|---|
| 18h45 |  Lillestrom vs Plzen | - | UEFA Europa League Stage : League phase J4 | - |
Thursday 26 November
| Time | Match | Score | Competition | Stadium |
|---|---|---|---|---|
| 21h00 |  Lyon vs Lillestrom | - | UEFA Europa League Stage : League phase J5 | Parc Olympique Lyonnais |
Thursday 10 December
| Time | Match | Score | Competition | Stadium |
|---|---|---|---|---|
| 21h00 |  Levski Sofia vs Lillestrom | - | UEFA Europa League Stage : League phase J6 | National Stadium Vasil Levski |
Thursday 21 January
| Time | Match | Score | Competition | Stadium |
|---|---|---|---|---|
| 18h45 |  Lillestrom vs Bournemouth | - | UEFA Europa League Stage : League phase J7 | - |
Thursday 28 January
| Time | Match | Score | Competition | Stadium |
|---|---|---|---|---|
| 21h00 |  Celta Vigo vs Lillestrom | - | UEFA Europa League Stage : League phase J8 | - |