“It’s great to have qualified with two games to spare,” Celtic manager Neil Lennon told UEFA.com.
“It’s too early to say how far we can go in this competition but we can be a difficult opponent for anyone.”
Cluj are on nine points, one below Celtic in group E, after Mario Rondon struck late to defeat Rennes. Lazio have three and are on the verge of joining the French in being knocked out.
Munir El Haddadi’s hat-trick for Sevilla was supplemented by two from Munas Dabbur in a 5-2 away drubbing of Luxembourg’s Dudelange.
The Spaniards have a perfect record in group A while APOEL are second, level on four points with Qarabag after winning the other match 2-1. Dudelange are bottom on three.
Swiss club Basel also inched closer to the knockout phase, 2-1 winners over Getafe to go four points clear in group C.
The Spaniards have six points, level with Krasnodar who beat bottom side Trabzonspor 3-1, and host the Russians in what looks a decisive clash next month.
Basel advance as they cannot have the worst head-to-head record between all three teams even if they all end up on 10.
Standard Liege scored a 2-1 win over Eintracht Frankfurt in group F and after Arsenal drew at Vitoria on Thursday (AEDT), the Belgians and Germans sit on six apiece behind the Gunners’ 10.
PSV Eindhoven missed the chance to also qualify for the next round as they let an early lead slip at LASK Linz – for whom Socceroos midfielder James Holland played a full game – and eventually lost 4-1.
Sporting top group D after a 2-0 win at Norway’s Rosenborg to move to nine points, two more than LASK and PSV.
AZ Alkmaar proved a class above Astana with a 5-0 victory in Kazakhstan, after beating the same opponents 6-0 at home, to top group L before Manchester United host Partizan Belgrade at Old Trafford.
In a tight group B, Copenhagen and Dynamo Kiev lead on six points after a 1-1 draw while Malmo are on five after a 0-0 at Lugano.