Europa League 2020/21, Group B |
 | 10.12.2020 |  | Dundalk | – | Arsenal |  | 2:4 (1:2) |
| Dublin |
Europa League 2020/21, Group B |
| 03.12.2020 |  | Molde | – | Dundalk | | 3:1 (2:0) |
| Molde |
Europa League 2020/21, Group B |
| 26.11.2020 | | Dundalk | – | Rapid Wien |  | 1:3 (0:2) |
| Dublin |
Europa League 2020/21, Group B |
| 05.11.2020 | | Rapid Wien | – | Dundalk | | 4:3 (1:1) |
| Wien |
Europa League 2020/21, Group B |
| 29.10.2020 | | Arsenal | – | Dundalk | | 3:0 (2:0) * |
| London |
Europa League 2020/21, Group B |
| 22.10.2020 | | Dundalk | – | Molde | | 1:2 (1:0) |
| Dublin |
Europa League 2020/21, Play-off Round |
| 01.10.2020 | | Dundalk | – | Klaksvík |  | 3:1 (1:0) * |
| Dublin |
Europa League 2020/21, Third qualifying round |
| 24.09.2020 |  | Sheriff | – | Dundalk | | 1:1 aet
(1:1, 1:1),
pen. 3:5 * |
| Tiraspol |
Europa League 2020/21, Second qualifying round |
| 17.09.2020 |  | Inter Club d'Escaldes | – | Dundalk | | 0:1 (0:1) * |
| Andorra la Vella |
Europa League 2019/20, Third qualifying round |
| 13.08.2019 | | Dundalk | – | Slovan Bratislava |  | 1:3 (0:2) |
| Dublin |
Europa League 2019/20, Third qualifying round |
| 07.08.2019 | | Slovan Bratislava | – | Dundalk | | 1:0 (0:0) |
| Bratislava |
Europa League 2018/19, Second qualifying round |
| 02.08.2018 |  | AEK Larnaca | – | Dundalk | | 4:0 (3:0) |
| Larnaca |
Europa League 2018/19, Second qualifying round |
| 26.07.2018 | | Dundalk | – | AEK Larnaca | | 0:0 |
| Dundalk |
Europa League 2018/19, First Qualifying Round |
| 19.07.2018 | | Dundalk | – | Levadia |  | 2:1 (2:1) |
| Dundalk |
Europa League 2018/19, First Qualifying Round |
| 12.07.2018 | | Levadia | – | Dundalk | | 0:1 (0:0) |
| Tallinn |
Europa League 2016/17, Group D |
| 08.12.2016 |  | Maccabi Tel Aviv | – | Dundalk | | 2:1 (2:1) |
| Netanya |
Europa League 2016/17, Group D |
| 24.11.2016 | | Dundalk | – | AZ |  | 0:1 (0:1) |
| Dublin |
Europa League 2016/17, Group D |
| 03.11.2016 |  | Zenit | – | Dundalk | | 2:1 (1:0) |
| Saint Petersburg |
Europa League 2016/17, Group D |
| 20.10.2016 | | Dundalk | – | Zenit | | 1:2 (0:0) |
| Dublin |
Europa League 2016/17, Group D |
| 29.09.2016 | | Dundalk | – | Maccabi Tel Aviv | | 1:0 (0:0) |
| Dublin |
Europa League 2016/17, Group D |
| 15.09.2016 | | AZ | – | Dundalk | | 1:1 (0:0) |
| Alkmaar |
Europa League 2014/15, Second qualifying round |
| 24.07.2014 |  | Hajduk Split | – | Dundalk | | 1:2 (1:0) |
| Split |
Europa League 2014/15, Second qualifying round |
| 17.07.2014 | | Dundalk | – | Hajduk Split | | 0:2 (0:1) |
| Dundalk |
Europa League 2014/15, First Qualifying Round |
| 10.07.2014 | | Dundalk | – | Jeunesse |  | 3:1 (3:0) |
| Dundalk |
Europa League 2014/15, First Qualifying Round |
| 01.07.2014 | | Jeunesse | – | Dundalk | | 0:2 (0:0) |
| Esch-Uelzecht |
Europa League 2010/11, Second qualifying round |
| 22.07.2010 | | Dundalk | – | Levski |  | 0:2 (0:2) |
| Dún Dealgan |
Europa League 2010/11, Second qualifying round |
| 15.07.2010 | | Levski | – | Dundalk | | 6:0 (3:0) |
| Sofia |
Europa League 2010/11, First Qualifying Round |
| 08.07.2010 | | Dundalk | – | Grevenmacher | | 2:1 (2:0) |
| Dún Dealgan |
Europa League 2010/11, First Qualifying Round |
| 01.07.2010 | | Grevenmacher | – | Dundalk | | 3:3 (0:1) |
| Lëtzebuerg |
UEFA Cup 2002/03, Qualifying round |
| 29.08.2002 | | Dundalk | – | Varteks | | 0:4 (0:1) |
| Dublin |
UEFA Cup 2002/03, Qualifying round |
| 15.08.2002 | | Varteks | – | Dundalk | | 5:0 (2:0) |
| Varaždin |
UEFA Cup 1995/96, Qualifying round |
| 23.08.1995 |  | Malmö | – | Dundalk | | 2:0 (2:0) |
| Malmö |
UEFA Cup 1995/96, Qualifying round |
| 09.08.1995 | | Dundalk | – | Malmö | | 0:2 (0:2) |
| Droichead Átha |
UEFA Cup 1989/90, 1/32 finals |
| 27.09.1989 | | Dundalk | – | Wettingen |  | 0:2 (0:1) |
| Dún Dealgan |
UEFA Cup 1989/90, 1/32 finals |
| 13.09.1989 | | Wettingen | – | Dundalk | | 3:0 (1:0) |
| Wettingen |
UEFA Cup 1980/81, 1/32 finals |
| 01.10.1980 | | Dundalk | – | Porto |  | 0:0 |
| Dún Dealgan |
UEFA Cup 1980/81, 1/32 finals |
| 17.09.1980 | | Porto | – | Dundalk | | 1:0 (0:0) |
| Porto |
Inter-Cities Fair Cup 1969/70, 1/32 finals |
| 30.09.1969 | | Dundalk | – | Liverpool | | 0:4 (0:2) |
| Dún Dealgan |
Inter-Cities Fair Cup 1969/70, 1/32 finals |
| 16.09.1969 | | Liverpool | – | Dundalk | | 10:0 (5:0) |
| Liverpool |
Inter-Cities Fair Cup 1968/69, 1/16 finals |
| 13.11.1968 | | Dundalk | – | Rangers |  | 0:3 (0:1) |
| Dún Dealgan |
Inter-Cities Fair Cup 1968/69, 1/16 finals |
| 30.10.1968 | | Rangers | – | Dundalk | | 6:1 (2:1) |
| Glasgow |
Inter-Cities Fair Cup 1968/69, 1/32 finals |
| 01.10.1968 | | Dundalk | – | Utrecht | | 2:1 aet
(1:1, 1:1) |
| Dún Dealgan |
Inter-Cities Fair Cup 1968/69, 1/32 finals |
| 11.09.1968 | | Utrecht | – | Dundalk | | 1:1 (1:0) |
| Utrecht |
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