Fjölnir U19: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2022-01-01 | Júlíus Mar Júlíusson | Fjölnir U19 | Fjölnir | — |
| 2020-02-07 | Hilmir Rafn Mikaelsson | Fjölnir U19 | Fjölnir | — |
| 2018-02-01 | Kristall Máni Ingason | Fjölnir U19 | FCK Youth | — |
| 2017-10-15 | Valgeir Lunddal | Fjölnir U19 | Fjölnir | — |
| 2010-12-06 | Vidar Ari Jónsson | Fjölnir U19 | Fjölnir | — |