Lechia U19: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2025-11-07 | Michał Kaczorowski | Lechia U19 | Lechia Gdansk | — |
| 2025-09-08 | Michał Kaczorowski | Wlokniarz Pabianice | Lechia U19 | Free |
| 2025-08-29 | Dorian Sinkiewicz | Lechia U19 | Lechia Gdansk | — |
| 2025-07-01 | Dorian Sinkiewicz | Lechia Youth | Lechia U19 | — |
| 2020-02-05 | Jakub Kaluzinski | Lechia U19 | Lechia Gdansk | — |
| 2019-12-20 | Kacper Urbański | Lechia U19 | Lechia Gdansk | — |
| 2019-01-01 | Kacper Sezonienko | Lechia U19 | Lechia II | — |
| 2018-07-01 | Jakub Kaluzinski | Lechia Youth | Lechia U19 | — |
| 2018-04-18 | Miłosz Kałahur | Lechia U19 | Lechia Gdansk | — |
| 2017-02-03 | Karol Fila | Lechia U19 | Lechia Gdansk | — |
| 2016-07-01 | Tomasz Makowski | Lechia U19 | Lechia II | — |
| 2015-07-01 | Tomasz Makowski | UKS SMS U19 | Lechia U19 | Free |
| 2014-07-01 | Miłosz Kałahur | Lechia Youth | Lechia U19 | — |
| 2014-07-01 | Maciej Wolski | Lechia U19 | Lechia II | — |
| 2014-07-01 | Karol Fila | Lechia Youth | Lechia U19 | — |
| 2013-07-01 | Maciej Wolski | Stomil U19 | Lechia U19 | — |
| 2012-07-01 | Paweł Dawidowicz | Lechia U19 | Lechia II | — |
| 2011-07-01 | Przemyslaw Frankowski | Lechia U19 | Lechia II | — |
| 2011-07-01 | Paweł Dawidowicz | Sokol O. U19 | Lechia U19 | Free |