Originally Posted by
currentjer
I would suggest flying out to SFO to fly with Singapore Airlines to ICN, a much more comfortable MR imho. In fact, you could even go out all the way to Singapore, and back to ICN later as a stopover point, increasing your gains by about 6-8k miles.
Is that a legal routing?
I would do
YYZ-EWR-HNL-GUM-NRT-ICN v.v