When it comes to booking your flights, it's always better to be prepared. While it may be possible to pick up a last-minute deal on a BEY to Delta Junction Airport (DJN) flight, tickets usually don't get cheaper as the date of departure nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to book a domestic flight is between 28 – 35 days ahead. For international travel it's three to four months.