Originally Posted by
Awardtraveller
Have an award booking ANA F in February with the following route CPH-LHR-HND-LHR-CPH - with a stop/transit of 20 hours in Haneda. Will there be any problems with my arrival and destination are the same? Would I have better odds if Instead did something like CPH-LHR-HND-LHR-MUC and the a separate ticket back to CPH?
Yes, you will have a problem. Unless you can legally enter Japan, you will likely be denied boarding at either CPH or LHR. You cannot arrive from and depart to the same country. Change your return to another city (like MUC) as you suggested and that should work.