| month | day | visitor | score | home | score |
|---|
| November | 3, 2018 | Sonics | | Kings | |
| November | 5, 2018 | Sonics | | Bucks | |
| November | 7, 2018 | Kings | | Sonics | |
| November | 8, 2018 | Sonics | | Raptors | |
| November | 9, 2018 | Kings | | Sonics | |
| November | 10, 2018 | Jazz | | Sonics | |
| November | 11, 2018 | Sonics | | Rockets | |
| November | 12, 2018 | Sonics | | Pelicans | |
| November | 14, 2018 | Sonics | | Warriors | |
| November | 17, 2018 | Sonics | | Clippers | |
| November | 18, 2018 | Sonics | | Nuggets | |
| November | 21, 2018 | Sonics | | Warriors | |
| November | 25, 2018 | Sonics | | Lakers | |
| November | 30, 2018 | Wolves | | Sonics | |
| December | 2, 2018 | Sonics | | Jazz | |
| December | 5, 2018 | Warriors | | Sonics | |
| December | 6, 2018 | Sonics | | Knicks | |
| December | 7, 2018 | Blazers | | Sonics | |
| December | 8, 2018 | Bucks | | Sonics | |
| December | 11, 2018 | Sonics | | Blazers | |
| December | 13, 2018 | Jazz | | Sonics | |
| December | 14, 2018 | Blazers | | Sonics | |
| December | 16, 2018 | Heat | | Sonics | |
| December | 19, 2018 | Rockets | | Sonics | |
| December | 20, 2018 | Warriors | | Sonics | |
| December | 21, 2018 | Sonics | | Lakers | |
| December | 25, 2018 | Blazers | | Sonics | |
| December | 26, 2018 | Sonics | | Bulls | |
| December | 27, 2018 | Warriors | | Sonics | |
| December | 31, 2018 | Sonics | | Suns | |
| January | 1, 2019 | Sonics | | Kings | |
| January | 2, 2019 | Sonics | | Blazers | |
| January | 6, 2019 | Sonics | | Nuggets | |
| January | 7, 2019 | Spurs | | Sonics | |
| January | 8, 2019 | Sonics | | Spurs | |
| January | 9, 2019 | Nuggets | | Sonics | |
| January | 12, 2019 | Sonics | | Warriors | |
| January | 13, 2019 | Sonics | | Rockets | |
| January | 15, 2019 | Sonics | | Hawks | |
| January | 18, 2019 | Sonics | | Wolves | |
| January | 19, 2019 | Grizzlies | | Sonics | |
| January | 23, 2019 | Sonics | | Nets | |
| January | 25, 2019 | Mavericks | | Sonics | |
| January | 27, 2019 | Celtics | | Sonics | |
| January | 30, 2019 | Hawks | | Sonics | |
| January | 31, 2019 | 76ers | | Sonics | |
| February | 1, 2019 | Sonics | | Lakers | |
| February | 8, 2019 | Sonics | | Jazz | |
| February | 10, 2019 | Sonics | | Warriors | |
| February | 11, 2019 | Sonics | | Blazers | |
| February | 13, 2019 | Sonics | | Pacers | |
| February | 21, 2019 | Sonics | | Clippers | |
| March | 2, 2019 | Sonics | | Clippers | |
| March | 3, 2019 | Spurs | | Sonics | |
| March | 5, 2019 | Rockets | | Sonics | |
| March | 6, 2019 | Raptors | | Sonics | |
| March | 8, 2019 | Sonics | | Heat | |
| March | 11, 2019 | Sonics | | Spurs | |
| March | 12, 2019 | Sonics | | Kings | |
| March | 17, 2019 | Pelicans | | Sonics | |
| March | 19, 2019 | Sonics | | Suns | |
| March | 20, 2019 | Sonics | | Grizzlies | |
| March | 22, 2019 | Clippers | | Sonics | |
| March | 23, 2019 | Lakers | | Sonics | |
| March | 25, 2019 | Kings | | Sonics | |
| March | 27, 2019 | Sonics | | Mavericks | |
| March | 28, 2019 | Suns | | Sonics | |
| March | 30, 2019 | Sonics | | 76ers | |
| April | 2, 2019 | Clippers | | Sonics | |
| April | 3, 2019 | Nuggets | | Sonics | |
| April | 4, 2019 | Pacers | | Sonics | |
| April | 5, 2019 | Nets | | Sonics | |
| April | 6, 2019 | Sonics | | Celtics | |
| April | 9, 2019 | Mavericks | | Sonics | |
| April | 10, 2019 | Suns | | Sonics | |
| April | 16, 2019 | Lakers | | Sonics | |
| April | 17, 2019 | Sonics | | Mavericks | |
| April | 18, 2019 | Bulls | | Sonics | |
| April | 20, 2019 | Knicks | | Sonics | |
| April | 22, 2019 | Lakers | | Sonics | |
| April | 24, 2019 | Wolves | | Sonics | |
| April | 25, 2019 | Clippers | | Sonics | |