FA Cup 2023/24, Fourth Qualifying Round |
 | 14.10.2023 |  | Boreham Wood | – | Welling United | | 1:0 (0:0) |
| Borehamwood |
FA Cup 2022/23, Third Qualifying Round |
| 01.10.2022 | | Weymouth | – | Welling United | | 3:0 (2:0) |
| Weymouth |
FA Cup 2021/22, Second qualifying round |
| 18.09.2021 | | Welling United | – | Harrow Borough | | 0:2 (0:1) |
| London |
FA Cup 2020/21, Second Qualifying Round |
| 03.10.2020 | | Sheppey United | – | Welling United | | 2:0 |
| Isle of Sheppey |
FA Cup 2019/20, Fourth Qualifying Round |
| 22.10.2019 | | Eastleigh | – | Welling United | | 4:2 (2:1) * |
| Eastleigh |
FA Cup 2018/19, Fourth Qualifying Round |
| 20.10.2018 | | Woking | – | Welling United | | 1:0 (0:0) |
| Woking |
FA Cup 2017/18, Second Qualifying Round |
| 16.09.2017 | | Welling United | – | Haringey Borough | | 1:2 (0:1) |
| London |
FA Cup 2016/17, Fourth Qualifying Round |
| 15.10.2016 | | Welling United | – | Whitehawk | | 0:1 |
| London |
FA Cup 2015/16, Second Round Proper |
| 06.12.2015 | | Welling United | – | Carlisle United | | 0:5 (0:2) |
| London |
FA Cup 2014/15, Fourth Qualifying Round |
| 25.10.2014 | | Maidstone United | – | Welling United | | 2:1 (1:0) |
| Maidstone |
FA Cup 2013/14, Second Round Proper |
| 07.12.2013 | | Plymouth Argyle | – | Welling United | | 3:1 (3:0) |
| Plymouth |
FA Cup 2012/13, Fourth Qualifying Round |
| 20.10.2012 | | Welling United | – | Bishop's Stortford | | 1:3 (0:2) |
| London |
FA Cup 2011/12, Second Qualifying Round |
| 01.10.2011 | | Bromley | – | Welling United | | 2:1 |
| |
FA Cup 2010/11, Second Qualifying Round |
| 25.09.2010 | | Braintree Town | – | Welling United | | 2:0 |
| |
FA Cup 2009/10, Third Qualifying Round |
| 10.10.2009 | | Dover Athletic | – | Welling United | | 2:0 |
| |
FA Cup 2008/09, Second Qualifying Round |
| 01.10.2008 | | Whyteleafe | – | Welling United | | 2:0 * |
| |
FA Cup 2007/08, Third Qualifying Round |
| 13.10.2007 | | Eastbourne Borough | – | Welling United | | 2:1 |
| |
FA Cup 2006/07, Fourth Qualifying Round |
| 28.10.2006 | | Welling United | – | Clevedon Town | | 0:3 (0:2) |
| |
FA Cup 2005/06, First Round Proper |
| 06.11.2005 | | Huddersfield Town | – | Welling United | | 4:1 (1:0) |
| Huddersfield |
FA Cup 2004/05, Second Qualifying Round |
| | | Slough Town | – | Welling United | | 4:1 |
| |
FA Cup 2003/04, Fourth Qualifying Round |
| | | Welling United | – | Weston-Super-Mare | | 2:3 (0:2) |
| |
FA Cup 2002/03, Third Qualifying Round |
| | | Welling United | – | Dover Athletic | | 1:3 * |
| |
FA Cup 2001/02, First Round Proper |
| 17.11.2001 | | Reading | – | Welling United | | 1:0 (0:0) |
| Reading |
FA Cup 2000/01, Fourth Qualifying Round |
| | | Welling United | – | Dorchester Town | | 2:4 aet
(1:1, 2:2) * |
| |
FA Cup 1999/00, First Round Proper |
| 30.10.1999 | | Lincoln City | – | Welling United | | 1:0 (1:0) |
| Lincoln |
FA Cup 1998/99, First Round Proper |
| 14.11.1998 | | Bristol Rovers | – | Welling United | | 3:0 (0:0) |
| Bristol |
FA Cup 1997/98, Second Qualifying Round |
| | | Sutton United | – | Welling United | | 2:1 * |
| |
FA Cup 1996/97, First Round Proper |
| 16.11.1996 | | Cambridge United | – | Welling United | | 3:0 (3:0) |
| Cambridge |
FA Cup 1995/96, Second Qualifying Round |
| | | Welling United | – | Bromley | | 1:2 * |
| |
FA Cup 1994/95, Second Qualifying Round |
| | | Welling United | – | Wembley | | 1:4 |
| |
FA Cup 1993/94, First Qualifying Round |
| | | Enfield | – | Welling United | | 4:1 |
| |
FA Cup 1992/93, Fourth Qualifying Round |
| | | Kingstonian | – | Welling United | | 2:1 |
| |
FA Cup 1991/92, First Round Proper |
| 16.11.1991 | | Leyton Orient | – | Welling United | | 2:1 |
| London |
FA Cup 1990/91, First Round Proper |
| 17.11.1990 |  | Swansea City | – | Welling United | | 5:2 |
| Swansea |
FA Cup 1989/90, Second Round Proper |
| 22.12.1989 | | Welling United | – | Reading | | 1:2 * |
| London |
FA Cup 1988/89, Third Round Proper |
| 07.01.1989 | | Welling United | – | Blackburn Rovers | | 0:1 (0:1) |
| London |
FA Cup 1987/88, Second Round Proper |
| 05.12.1987 | | Welling United | – | Bath City | | 0:1 (0:0) |
| London |
FA Cup 1986/87, First Round Proper |
| 24.11.1986 | | Maidstone United | – | Welling United | | 4:1 (2:1) * |
| |
FA Cup 1985/86, Third Qualifying Round |
| | | Slough Town | – | Welling United | | 2:1 * |
| |
FA Cup 1984/85, Third Qualifying Round |
| | | Metropolitan Police | – | Welling United | | 3:1 |
| |
FA Cup 1983/84, First Qualifying Round |
| | | Walton & Hersham | – | Welling United | | 1:0 |
| |
FA Cup 1982/83, Second Qualifying Round |
| | | Egham Town | – | Welling United | | 2:0 |
| |
FA Cup 1981/82, Second Qualifying Round |
| | | Billericay Town | – | Welling United | | 3:1 |
| |
FA Cup 1980/81, Second Qualifying Round |
| | | Dover | – | Welling United | | 2:0 |
| |
FA Cup 1979/80, Fourth Qualifying Round |
| | | Gravesend & Northfleet | – | Welling United | | 2:1 |
| |
FA Cup 1978/79, First Qualifying Round |
| | | Welling United | – | Gravesend & Northfleet | | 1:2 |
| |
