Helsinki to LHR. One option iJourney returned was:
09:25 HEL 11:30 CDG
Non Stop AY 879
13:50 CDG 07:15 HKG
Non Stop CX 260 Probability
09:20 HKG 13:10 JFK
Non Stop CX 830 Probability
18:10 JFK 06:20 LHR
46hr 55min Non Stop BA 1511
Only after specifying Finnair did it come back with this crazy option.
08:00 HEL 09:10 LHR
03hr 10min Non Stop AY 831