Keflavík: every transfer in and out, fees paid and earned, squad market value and €100k earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2023-08-16 | Muhamed Al-Ghoul | Wadi Degla | Keflavík | Free |
| 2023-02-02 | Patrik Johannesen | Keflavík | Breidablik | — |
| 2023-01-08 | Rúnar Thór Sigurgeirsson | Keflavík | Östers IF | Free |
| 2022-04-18 | Ivan Kalyuzhnyi | FC Oleksandriya | Keflavík | Loan |
| 2022-02-17 | Patrik Johannesen | Egersund | Keflavík | Free |
| 2022-01-20 | Davíd Jóhannsson | Keflavík | Lecce U19 | — |
| 2020-07-01 | Ólafur Gudmundsson | Breidablik | Keflavík | Loan |
| 2019-08-01 | Dagur Dan Thórhallsson | Keflavík | Mjøndalen | — |
| 2019-01-29 | Dagur Dan Thórhallsson | Keflavík | Mjøndalen | Loan |
| 2018-05-05 | Dagur Dan Thórhallsson | KAA Gent U21 | Keflavík | — |
| 2018-01-01 | Davíd Jóhannsson | Keflavík Yth. | Keflavík | — |
| 2017-04-10 | Rúnar Thór Sigurgeirsson | Keflavík Yth. | Keflavík | — |
| 2014-01-08 | Arnór Ingvi Traustason | Keflavík | Norrköping | €100k |
| 2013-08-29 | Samúel Fridjónsson | Keflavík | Reading U21 | — |
| 2012-08-15 | Arnór Ingvi Traustason | Keflavík | Sandnes Ulf | Loan |
| 2011-08-15 | Samúel Fridjónsson | Keflavík Yth. | Keflavík | — |