Key: Win : Draw : Loss
| Date | Home | Away | Ref | ||
|---|---|---|---|---|---|
| 04/08/2018 | Sheffield United | 1 | 2 | Swansea | J Simpson |
| 11/08/2018 | Swansea | 1 | 0 | Preston | J Linington |
| 17/08/2018 | Birmingham | 0 | 0 | Swansea | D England |
| 21/08/2018 | Swansea | 2 | 2 | Leeds | A Davies |
| 25/08/2018 | Swansea | 0 | 1 | Bristol City | G Ward |
| 01/09/2018 | Millwall | 1 | 2 | Swansea | G Scott |
| 15/09/2018 | Swansea | 0 | 0 | Nott'm Forest | S Duncan |
| 18/09/2018 | Stoke | 1 | 0 | Swansea | P Tierney |
| 22/09/2018 | Middlesbrough | 0 | 0 | Swansea | S Hooper |
| 29/09/2018 | Swansea | 3 | 0 | QPR | K Friend |
| 02/10/2018 | Wigan | 0 | 0 | Swansea | J Brooks |
| 06/10/2018 | Swansea | 2 | 3 | Ipswich | O Langford |
| 20/10/2018 | Aston Villa | 1 | 0 | Swansea | A Madley |
| 23/10/2018 | Swansea | 3 | 1 | Blackburn | G Eltringham |
| 27/10/2018 | Swansea | 2 | 0 | Reading | K Stroud |
| 03/11/2018 | Rotherham | 2 | 1 | Swansea | T Harrington |
| 10/11/2018 | Bolton | 0 | 1 | Swansea | G Scott |
| 24/11/2018 | Swansea | 1 | 4 | Norwich | D Bond |
| 28/11/2018 | Swansea | 1 | 2 | West Brom | J Linington |
| 01/12/2018 | Derby | 2 | 1 | Swansea | A Madley |
| 08/12/2018 | Brentford | 2 | 3 | Swansea | A Woolmer |
| 15/12/2018 | Swansea | 2 | 1 | Sheffield Weds | D Webb |
| 22/12/2018 | Hull | 3 | 2 | Swansea | O Langford |
| 26/12/2018 | Swansea | 0 | 1 | Aston Villa | R East |
| 29/12/2018 | Swansea | 2 | 2 | Wigan | J Linington |
| 01/01/2019 | Reading | 1 | 4 | Swansea | T Robinson |
| 12/01/2019 | Preston | 1 | 1 | Swansea | K Stroud |
| 19/01/2019 | Swansea | 1 | 0 | Sheffield United | J Brooks |
| 29/01/2019 | Swansea | 3 | 3 | Birmingham | S Martin |
| 02/02/2019 | Bristol City | 2 | 0 | Swansea | A Woolmer |
| 09/02/2019 | Swansea | 1 | 0 | Millwall | K Friend |
| 13/02/2019 | Leeds | 2 | 1 | Swansea | D Webb |
| 23/02/2019 | Sheffield Weds | 3 | 1 | Swansea | G Eltringham |
| 02/03/2019 | Swansea | 2 | 0 | Bolton | G Ward |
| 08/03/2019 | Norwich | 1 | 0 | Swansea | R Jones |
| 13/03/2019 | West Brom | 3 | 0 | Swansea | S Duncan |
| 30/03/2019 | Nott'm Forest | 2 | 1 | Swansea | J Simpson |
| 02/04/2019 | Swansea | 3 | 0 | Brentford | P Bankes |
| 06/04/2019 | Swansea | 3 | 1 | Middlesbrough | A Woolmer |
| 09/04/2019 | Swansea | 3 | 1 | Stoke | J Linington |
| 13/04/2019 | QPR | 4 | 0 | Swansea | A Madley |
| 19/04/2019 | Swansea | 4 | 3 | Rotherham | K Stroud |
| 22/04/2019 | Ipswich | 0 | 1 | Swansea | D England |
| 27/04/2019 | Swansea | 2 | 2 | Hull | G Eltringham |
| 01/05/2019 | Swansea | 1 | 1 | Derby | P Bankes |
| 05/05/2019 | Blackburn | 2 | 2 | Swansea | J Gillett |