December 31, 2014 is the last day to book a free stopover on a roundtrip Delta award. That means it is the last day to book a free one way on a Delta award.

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January 1, 2015, stopovers will be eliminated on Delta awards. Free one ways require a stopover at your home airport, which means that free one ways will be eliminated. Here are the awards I am most looking forward to booking one way.

Overall I think this trade off is good because Delta miles have access to the worst award availability, making one way bookings even more valuable than they would be if space were more plentiful.

Today and tomorrow, book your roundtrip Delta awards with a stopover for travel through November 2015. Here are the rules for free one ways on Delta awards.