| 1. Round | 24/07/2021 | Funnefoss/Vormsund IL | - | Lillestrøm SK | 0:4 | ||||
| 2. Round | 01/08/2021 | Skeid Fotball | - | Lillestrøm SK | 1:2 aet | ||||
| 3. Round | 22/09/2021 | Grorud IL | - | Lillestrøm SK | 2:3 aet | ||||
| Round of 16 | 13/03/2022 | Nardo FK | - | Lillestrøm SK | 0:4 | ||||
| Quarter-finals | 20/03/2022 | FK Bodø/Glimt | - | Lillestrøm SK | 4:1 |
Norway