Puerto Rico between December and April is hard to beat. You get warm ocean breezes, historic cobblestone streets in San Juan, and quick flights from the mainland without needing a passport. It is the easiest way to swap snow for sunshine without a long-haul flight.
A typical round-trip flight runs about $360. Instead of dropping that cash all at once right before the holidays, you can spread the cost over time and pay just $24.00 per month.
Keep in mind that 0% interest is just a temporary grace period, not free money. If you still have a balance when the 15 months end, the standard interest rate kicks in on whatever is left, so stick to your monthly payment plan.