Delta SkyMiles award flights from San Juan (SJU) to Detroit (DTW)
In the last 30 days AwardTool saw Delta SkyMiles award space for SJU→DTW in economy and first. Lowest economy: 20,100 miles + $5.60 (economy space on 316 dates). Lowest first: 43,200 miles + $5.60 (first space on 316 dates).
Data as of
Award prices last changed . AwardTool checks these routes daily; seats change quickly.
- Lowest economy
- 20,100 miles + $5.60
- economy space on 316 dates
- Lowest first
- 43,200 miles + $5.60
- first space on 316 dates
SkyMiles award prices by cabin
The lowest one-way Delta SkyMiles award AwardTool observed on SJU→DTW in each cabin, in miles plus taxes.
| Cabin | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Economy | 20,100 miles + $5.60 | Nonstop | Delta Air Lines (DL) | 9+ | 316 | See dates | |
| First | 43,200 miles + $5.60 | Nonstop | Delta Air Lines (DL) | 1 | 316 | See dates |
Not seen means AwardTool hasn't observed this cabin on this route in the last 30 days. It doesn't mean the airline has no seats. Dates seen counts departure dates with an open award in that cabin at any price; newest observation is the latest time AwardTool saw one of them. Seats is the count the program reported when we observed it; some programs report at most 9.
Observed SkyMiles award examples
| Departure | Cabin | Points + taxes | Seats | Stops | Observed (UTC) | |
|---|---|---|---|---|---|---|
| Economy | 22,700 miles + $5.60 | 5 | Nonstop | Check this date | ||
| Economy | 22,700 miles + $5.60 | 2 | Nonstop | Check this date | ||
| Economy | 22,700 miles + $5.60 | 9+ | Nonstop | Check this date | ||
| First | 45,900 miles + $5.60 | 1 | Nonstop | Check this date | ||
| First | 45,900 miles + $5.60 | 4 | Nonstop | Check this date | ||
| First | 45,900 miles + $5.60 | 4 | Nonstop | Check this date |
Prices are one-way per traveler: the program's points or miles plus taxes and carrier fees in USD, as AwardTool observed them at the time shown. Award space changes constantly. A seat we saw may be gone, and space we haven't seen may exist. Always confirm with a live search before transferring points; most transfers can't be reversed.
Best months to fly SJU to DTW with SkyMiles
| Month | Economy | First |
|---|---|---|
| 26,500 (16 dates) | 49,900 (16 dates) | |
| 22,700 (30 dates) | 49,900 (30 dates) | |
| 22,700 (31 dates) | 45,900 (31 dates) | |
| 20,100 (31 dates) | 43,200 (31 dates) | |
| 20,100 (28 dates) | 43,200 (28 dates) | |
| 20,100 (31 dates) | 43,200 (31 dates) | |
| 20,100 (30 dates) | 43,200 (30 dates) | |
| 20,100 (31 dates) | 43,200 (31 dates) | |
| 20,100 (30 dates) | 43,200 (30 dates) | |
| 20,100 (31 dates) | 43,200 (31 dates) | |
| 20,100 (27 dates) | 43,200 (27 dates) |
How to get SkyMiles
- American Express Membership Rewards: 1:1 · Instant
Check current transfer bonuses. Most transfers can't be reversed.
SkyMiles vs other programs on SJU–DTW
Lowest one-way award per program and cabin on this route.
| Program | Economy | First |
|---|---|---|
| Delta SkyMiles | 20,100 pts + $5.60 | 43,200 pts + $5.60Lowest |
| Virgin Atlantic Flying Club | 18,500 pts + $5.60Lowest | — |
Questions about SkyMiles award flights from SJU to DTW
What's the lowest SkyMiles award from San Juan to Detroit?
In economy, 20,100 miles + $5.60. Delta SkyMiles showed economy award space on 316 departure dates (newest observation Oct 8, 2026, 00:23 UTC). In first, 43,200 miles + $5.60. Delta SkyMiles showed first award space on 316 departure dates (newest observation Oct 8, 2026, 00:23 UTC). Search live before transferring points.
Can you book nonstop SJU to DTW awards with SkyMiles?
Yes. AwardTool observed nonstop Delta SkyMiles award space in economy and first, from 20,100 miles in economy.
Which credit card points transfer to SkyMiles?
American Express Membership Rewards (1:1, Instant). Check current transfer bonuses; most transfers can't be reversed.
Which months had the lowest SkyMiles award prices from SJU to DTW?
Counting only month prices from programs with award space on 2 or more dates that month, and leaving out unusually low outliers, the lowest economy award AwardTool observed was for Jan 2027 departures: 20,100 miles (31 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.