Originally Posted by
lincolnjkc
a fully refundable (no penalty) fare will just be endorsed -/-REFUNDABLE-/- -- but those are something you generally have to go looking for/make a specific effort to book (at least without a corporate contract)
While using advanced search technically qualifies as "a specific effort", that's usually all that is needed.
united.com > Advanced Search > Unrestricted fares.
There are select markets where fully unrestricted fares are generally not offered - in that case, this search method may not result in fully unrestricted fares.