Neil Lennon's men booked their place in the draw with a 4-1 aggregate win over Finnish club HJK Helsinki.
Swedish legend Henrik Larsson played for both clubs and is certain to the the focus of attention in the build-up.
The Swedish league is well under way and Helsingborg are in sixth position.
In the third qualifier Helsingborg beat Slask Wroclaw 6-1 on aggregate.
After their 3-0 first leg win in Poland, Thomas Sorum scored a hat-trick in the return game to complete a comprehensive victory.