Originally Posted by
jsloan
I would not count on this as a strategy, as there's no guarantee that you can add segments in this manner. UA has cut down quite a bit on their flexibility. Also, OP doesn't yet have Gold, so there would likely be a $75 charge per SDC.
Best just to book BUF-IAD-EWR-IAD-BUF for $274 if the one-way is $137.
I see $274 BUF-IAD-EWR // EWR-IAD-BUF same-day turn.
I also see $269 YYZ-ORD-DTW // DTW-EWR-YYZ, save $5 and shorter drive.
There are YYZ-ALB and YYZ-BOS options for <$300 too.