Originally Posted by
flytoeat
I'd like to just book a one-way ticket, but round trip travel required. If I book a round trip, can I cancel the return and use the remaining amount on the primary ticket later as a credit?
T&C's can be found here --
https://www.delta.com/us/en/booking-...n-certificates
This would likely effectively mean the answer is no -- "
After travel has commenced, rerouting is not permitted."