
Coming into the return leg with a 2-0 cushion from the home game, Lille advanced following a 3-2 aggregate win.
Slavia took the lead in the fifth minute through midfielder Christos Zafeiris’s first-time finish but Lille winger Edon Zhegrova levelled in the second half before substitute Ivan Schranz restored the lead for the Czechs in the 84th minute.
Red Star Belgrade beat Norway’s Bodo/Glimt 2-0 to overturn a first-leg deficit and qualify with a 3-2 aggregate win while Slovak champions Slovan Bratislava beat Denmark’s Midtjylland 3-2 to advance after their 1-1 draw last week in Denmark.
Croatian champions Dinamo Zagreb won 2-0 at Azerbaijan’s Qarabag earlier on Wednesday to qualify with a 5-0 aggregate victory.