How to fly Detroit to San Juan with points & miles
DTW → SJU · the cheapest award options by airline program and cabin, with the best card to pay with.
Award prices by program & cabin
| Program | Cabin | From (points) | ≈ Value |
|---|---|---|---|
| Delta SkyMiles | First | 47,500 | $570 |
Based on real award bookings shared by travelers. Prices are the lowest seen per program & cabin and vary by date and availability.
Booking DTW → SJU with points
Flying Detroit to San Juan is often far cheaper with miles than cash — especially in premium cabins. The trick is knowing which program to book through and which credit card earns (or transfers) the right miles. Trilla compares cash vs points instantly, shows the best card to pay with, and surfaces the lowest award prices for DTW–SJU so you don't overpay.
The cheapest award we've seen on this route is about 47,500 Delta SkyMiles miles in first — roughly $570 in value. Create a free account to track prices and get an alert when this route drops.
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