Champions League Qualifying 
Matchday 1 - Preliminary round | ||||||
| 26-Jun-18 17:30 | 26Jun | Preliminary round | S.Coloma | 0:2 | Drita | McLaughlin |
| 26-Jun-18 21:00 | 26Jun | Preliminary round | L.Fiorita | 0:2 | Lincoln | Burchardt |
Matchday 2 - Preliminary round | ||||||
| 29-Jun-18 19:30 | 29Jun | Preliminary round | Lincoln | 1:4 | Drita | Lukjančukas |
Matchday 3 - 1st qualifying round | ||||||
| 10-Jul-18 18:00 | 10Jul | 1st qualifying round | Dudelange | 1:1 | MOL Fvar | Hovhannisyan |
| 10-Jul-18 18:30 | 10Jul | 1st qualifying round | Flora | 1:4 | Beersheva | Lambrechts |
| 10-Jul-18 19:00 | 10Jul | 1st qualifying round | Víkingur | 1:2 | HJK | Hennessy |
| 10-Jul-18 19:30 | 10Jul | 1st qualifying round | T.Kutaisi | 2:1 | Sheriff | Golubevs |
| 10-Jul-18 19:45 | 10Jul | 1st qualifying round | Cork City | 0:1 | Legia | Petrescu, R |
| 10-Jul-18 20:00 | 10Jul | 1st qualifying round | Alashkert | 0:3 | Celtic | Grujić |
| 10-Jul-18 20:15 | 10Jul | 1st qualifying round | Shkendija | 5:0 | TNS | Christofi |
| 10-Jul-18 20:45 | 10Jul | 1st qualifying round | Drita | 0:3 | Malmö | Marhefka, B |
| 11-Jul-18 16:00 | 11Jul | 1st qualifying round | Astana | 1:0 | Sutjeska | Karakó |
| 11-Jul-18 18:00 | 11Jul | 1st qualifying round | S.Trnava | 1:0 | Zrinjski | Shcherbakov |
| 11-Jul-18 19:00 | 11Jul | 1st qualifying round | FK Suduva | 3:1 | APOEL | San |
| 11-Jul-18 19:00 | 11Jul | 1st qualifying round | Kukësi | 0:0 | Valletta | Hjaltalin |
| 11-Jul-18 19:00 | 11Jul | 1st qualifying round | Spartaks | 0:0 | Red Star | Balakin |
| 11-Jul-18 20:00 | 11Jul | 1st qualifying round | Olimpija | 0:1 | Qarabağ | Visser |
| 11-Jul-18 20:00 | 11Jul | 1st qualifying round | Ludogrets | 7:0 | Crusaders | Muntean |
| 11-Jul-18 20:00 | 11Jul | 1st qualifying round | Valur | 1:0 | Rosenborg | Obrenović |
Matchday 4 - 1st qualifying round | ||||||
| 17-Jul-18 18:00 | 17Jul | 1st qualifying round | Valletta | 1:1 | Kukësi | Pajač |
| 17-Jul-18 19:00 | 17Jul | 1st qualifying round | HJK | 3:1 | Víkingur | Strukan |
| 17-Jul-18 19:00 | 17Jul | 1st qualifying round | TNS | 4:0 | Shkendija | Orel |
| 17-Jul-18 19:00 | 17Jul | 1st qualifying round | Malmö | 2:0 | Drita | Kopriwa |
| 17-Jul-18 20:00 | 17Jul | 1st qualifying round | APOEL | 1:0 | FK Suduva | Nyberg |
| 17-Jul-18 20:00 | 17Jul | 1st qualifying round | Crusaders | 0:2 | Ludogrets | Tarajev |
| 17-Jul-18 20:00 | 17Jul | 1st qualifying round | Beersheva | 3:1 | Flora | Musiał |
| 17-Jul-18 20:15 | 17Jul | 1st qualifying round | MOL Fvar | 2:1 | Dudelange | Robertson |
| 17-Jul-18 20:30 | 17Jul | 1st qualifying round | Red Star | 2:0 | Spartaks | Ulusoy |
| 17-Jul-18 21:00 | 17Jul | 1st qualifying round | Legia | 3:0 | Cork City | Steen |
| 18-Jul-18 19:00 | 18Jul | 1st qualifying round | Zrinjski | 1:1 | S.Trnava | Weinberger |
| 18-Jul-18 19:45 | 18Jul | 1st qualifying round | Rosenborg | 3:1 | Valur | Apostolov |
| 18-Jul-18 19:45 | 18Jul | 1st qualifying round | Celtic | 3:0 | Alashkert | Feșnic |
| 18-Jul-18 20:00 | 18Jul | 1st qualifying round | Sheriff | 3:0 | T.Kutaisi | Kjærsgaard |
| 18-Jul-18 20:00 | 18Jul | 1st qualifying round | Qarabağ | 0:0 | Olimpija | Papir |
| 18-Jul-18 20:00 | 18Jul | 1st qualifying round | Sutjeska | 0:2 | Astana | João Pinheiro |
Matchday 5 - 2nd qualifying round | ||||||
| 24-Jul-18 14:00 | 24Jul | 2nd qualifying round | Astana | 2:1 | Midtjyl. | Petrescu, R |
| 24-Jul-18 19:00 | 24Jul | 2nd qualifying round | CFR Cluj | 0:1 | Malmö | Dabanovic |
| 24-Jul-18 20:00 | 24Jul | 2nd qualifying round | Dinamo Zg | 5:0 | Beersheva | Palabiyik |
| 24-Jul-18 20:15 | 24Jul | 2nd qualifying round | Shkendija | 1:0 | Sheriff | Kristoffersen |
| 24-Jul-18 20:30 | 24Jul | 2nd qualifying round | PAOK | 2:1 | Basel | Madley, R |
| 24-Jul-18 20:30 | 24Jul | 2nd qualifying round | Red Star | 3:0 | FK Suduva | Dankert |
| 24-Jul-18 21:00 | 24Jul | 2nd qualifying round | Legia | 0:2 | S.Trnava | Farkas |
| 25-Jul-18 19:00 | 25Jul | 2nd qualifying round | Kukësi | 0:0 | Qarabağ | Nilsen, O |
| 25-Jul-18 19:45 | 25Jul | 2nd qualifying round | Celtic | 3:1 | Rosenborg | Vertenten |
| 25-Jul-18 20:00 | 25Jul | 2nd qualifying round | BATE | 0:0 | HJK | Di Bello |
| 25-Jul-18 20:00 | 25Jul | 2nd qualifying round | Ludogrets | 0:0 | MOL Fvar | Pandzic |
| 25-Jul-18 20:30 | 25Jul | 2nd qualifying round | Ajax | 2:0 | Sturm Graz | Hernández |
Matchday 6 - 2nd qualifying round | ||||||
| 31-Jul-18 20:00 | 31Jul | 2nd qualifying round | Beersheva | 2:2 | Dinamo Zg | Letexier |
| 31-Jul-18 20:00 | 31Jul | 2nd qualifying round | Sheriff | 0:0 | Shkendija | Nevalainen |
| 31-Jul-18 20:30 | 31Jul | 2nd qualifying round | S.Trnava | 0:1 | Legia | Reinshreiber |
| 01-Aug-18 19:00 | 01Aug | 2nd qualifying round | HJK | 1:2 | BATE | Lardot |
| 01-Aug-18 19:00 | 01Aug | 2nd qualifying round | Malmö | 1:1 | CFR Cluj | Dallas, A |
| 01-Aug-18 19:00 | 01Aug | 2nd qualifying round | Midtjyl. | 0:0 | Astana | Martinez Munuera |
| 01-Aug-18 20:00 | 01Aug | 2nd qualifying round | Basel | 0:3 | PAOK | Valeri |
| 01-Aug-18 20:00 | 01Aug | 2nd qualifying round | MOL Fvar | 1:0 | Ludogrets | Schüttengruber |
| 01-Aug-18 20:30 | 01Aug | 2nd qualifying round | Sturm Graz | 1:3 | Ajax | Frankowski |
| 01-Aug-18 20:30 | 01Aug | 2nd qualifying round | FK Suduva | 0:2 | Red Star | Tiago Martins |
| 01-Aug-18 20:45 | 01Aug | 2nd qualifying round | Rosenborg | 0:0 | Celtic | Schärer |
| 01-Aug-18 21:00 | 01Aug | 2nd qualifying round | Qarabağ | 3:0 | Kukësi | Kralovic |
Matchday 7 - 3rd qualifying round | ||||||
| 07-Aug-18 14:00 | 07Aug | 3rd qualifying round | Astana | 0:2 | Dinamo Zg | Beaton, J |
| 07-Aug-18 19:15 | 07Aug | 3rd qualifying round | Malmö | 1:1 | MOL Fvar | Jug |
| 07-Aug-18 19:30 | 07Aug | 3rd qualifying round | Slavia | 1:1 | D.Kyiv | Pawson |
| 07-Aug-18 20:00 | 07Aug | 3rd qualifying round | Benfica | 1:0 | Fenerbhce | Kulbakov |
| 07-Aug-18 20:00 | 07Aug | 3rd qualifying round | Standard | 2:2 | Ajax | Stieler |
| 07-Aug-18 20:30 | 07Aug | 3rd qualifying round | Red Star | 1:1 | S.Trnava | del Cerro |
| 07-Aug-18 21:00 | 07Aug | 3rd qualifying round | Qarabağ | 0:1 | BATE | Ekberg |
| 08-Aug-18 19:00 | 08Aug | 3rd qualifying round | Salzburg | 3:0 | Shkendija | Aghayev |
| 08-Aug-18 19:45 | 08Aug | 3rd qualifying round | Celtic | 1:1 | AEK | Banti |
| 08-Aug-18 20:00 | 08Aug | 3rd qualifying round | PAOK | 3:2 | Spartak M | Greenfield |
Matchday 8 - 3rd qualifying round | ||||||
| 14-Aug-18 19:30 | 14Aug | 3rd qualifying round | D.Kyiv | 2:0 | Slavia | Stefański |
| 14-Aug-18 20:00 | 14Aug | 3rd qualifying round | Dinamo Zg | 1:0 | Astana | Mazeika |
| 14-Aug-18 20:00 | 14Aug | 3rd qualifying round | S.Trnava | 1:2 | Red Star | Gözübüyük |
| 14-Aug-18 20:00 | 14Aug | 3rd qualifying round | MOL Fvar | 0:0 | Malmö | Estrada |
| 14-Aug-18 20:15 | 14Aug | 3rd qualifying round | Shkendija | 0:1 | Salzburg | Bognar |
| 14-Aug-18 20:30 | 14Aug | 3rd qualifying round | Spartak M | 0:0 | PAOK | Buquet |
| 14-Aug-18 20:30 | 14Aug | 3rd qualifying round | Ajax | 3:0 | Standard | Kruzliak |
| 14-Aug-18 21:00 | 14Aug | 3rd qualifying round | Fenerbhce | 1:1 | Benfica | Vinčić |
| 14-Aug-18 21:00 | 14Aug | 3rd qualifying round | BATE | 1:1 | Qarabağ | Treimanis |
| 14-Aug-18 21:00 | 14Aug | 3rd qualifying round | AEK | 2:1 | Celtic | Bezborodov |
Matchday 9 - Play-off round | ||||||
| 21-Aug-18 20:00 | 21Aug | Play-off round | Benfica | 1:1 | PAOK | Mažic |
| 21-Aug-18 21:00 | 21Aug | Play-off round | Red Star | 0:0 | Salzburg | Orsato |
| 21-Aug-18 22:00 | 21Aug | Play-off round | BATE | 2:3 | PSV | Zwayer |
| 22-Aug-18 21:00 | 22Aug | Play-off round | YB Bern | 1:1 | Dinamo Zg | Mallenco |
| 22-Aug-18 21:00 | 22Aug | Play-off round | MOL Fvar | 1:2 | AEK | Rocchi |
| 22-Aug-18 21:00 | 22Aug | Play-off round | Ajax | 3:1 | D.Kyiv | Turpin |
Matchday 10 - Play-off round | ||||||
| 28-Aug-18 21:00 | 28Aug | Play-off round | Dinamo Zg | 1:2 | YB Bern | Kuipers |
| 28-Aug-18 22:00 | 28Aug | Play-off round | AEK | 1:1 | MOL Fvar | Marciniak |
| 28-Aug-18 22:00 | 28Aug | Play-off round | D.Kyiv | 0:0 | Ajax | Skomina |
| 29-Aug-18 21:00 | 29Aug | Play-off round | Salzburg | 2:2 | Red Star | Çakır |
| 29-Aug-18 21:00 | 29Aug | Play-off round | PSV | 3:0 | BATE | Taylor, A |
| 29-Aug-18 22:00 | 29Aug | Play-off round | PAOK | 1:4 | Benfica | Brych |