Delta SkyMiles award flights from Seattle (SEA) to San Juan (SJU)
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In the last 30 days AwardTool saw Delta SkyMiles award space for SEA→SJU in economy and first class. Lowest economy: 23,900 miles + $5.60 (economy space on 31 dates). Lowest first class: 57,400 miles + $5.60 (first-class space on 31 dates).
Prices observed – ; newest observation .
Page regenerated from the Oct 19, 2026 data snapshot (normally daily). Summary last changed . Seats change quickly.
- Lowest economy
- 23,900 miles + $5.60
- economy space on 31 dates
- Lowest first class
- 57,400 miles + $5.60
- first-class space on 31 dates
SkyMiles award prices by cabin
The lowest one-way Delta SkyMiles award AwardTool observed on SEA→SJU in each cabin, in miles plus taxes.
| Cabin | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Economy | 23,900 miles + $5.60 | 1 stop | Delta Air Lines (DL) | 9+ | 31 | See dates | |
| First | 57,400 miles + $5.60 | 1 stop | Delta Air Lines (DL) | 9+ | 31 | 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 | 25,900 miles + $5.60 | 9+ | 1 stop | Check this date | ||
| Economy | 25,900 miles + $5.60 | 9+ | 2 stops | Check this date | ||
| Economy | 40,300 miles + $5.60 | 9+ | 1 stop | Check this date | ||
| First | 104,200 miles + $5.60 | 2 | 1 stop | Check this date | ||
| First | 104,200 miles + $5.60 | 2 | 1 stop | Check this date | ||
| First | 105,400 miles + $5.60 | 1 | 1 stop | 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 in the observation window. 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.
How often SkyMiles award space showed up
Departure dates in the next 365 days that AwardTool checked for Delta SkyMiles in the last 30 days, how many had award space in each cabin at any price, and the latest departure with space.
| Cabin | Dates with space | Share of dates checked | Latest departure with space |
|---|---|---|---|
| Economy | 31 of 44 | 70% | |
| First | 31 of 44 | 70% |
Best months to fly from Seattle (SEA) to San Juan (SJU) with SkyMiles
| Month | Economy | First |
|---|---|---|
| 52,200 (1 date) | 105,400 (1 date) | |
| 23,900 (8 dates) | 67,500 (8 dates) | |
| 25,900 (5 dates) | 89,800 (5 dates) | |
| 50,600 (1 date) | 166,600 (1 date) | |
| 24,900 (16 dates) | 57,400 (16 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 from Seattle (SEA) to San Juan (SJU)
Lowest one-way award per program and cabin on this route.
| Program | Economy | Premium Economy | Business | First |
|---|---|---|---|---|
| Air Canada Aeroplan | 25,000 pts + $75.67 | — | — | — |
| Air France/KLM Flying Blue | 27,500 pts + $38.00 | — | 80,500 pts + $38.00 | — |
| Alaska Atmos Rewards | 22,500 pts + $25.60 | — | — | 45,000 pts + $25.60Lowest |
| American Airlines AAdvantage | 17,500 pts + $5.60Lowest | — | 27,500 pts + $5.60LowestMixed cabin | — |
| Avianca LifeMiles | 17,500 pts + $5.60 | — | — | — |
| Delta SkyMiles | 23,900 pts + $5.60 | — | — | 57,400 pts + $5.60 |
| Etihad Guest | 43,000 pts + $38.00 | — | 64,000 pts + $38.00Mixed cabin | — |
| GOL Smiles | 59,800 pts + taxes not reported | — | 152,200 pts + taxes not reported | — |
| JetBlue TrueBlue | 48,100 pts + $5.60 | — | — | — |
| Qantas Frequent Flyer | 29,000 pts + $29.00 | — | 82,100 pts + $29.00 | — |
| United MileagePlus | 20,000 pts + $5.60 | 150,000 pts + $5.60Lowest | 72,000 pts + $5.60 | 53,800 pts + $5.60 |
| Virgin Atlantic Flying Club | 38,500 pts + $5.60 | — | — | 129,500 pts + $5.60 |
| Virgin Australia Velocity | 30,000 pts + $13.77 | — | — | — |
Questions about SkyMiles award flights from Seattle (SEA) to San Juan (SJU)
How many miles do you need to fly from Seattle (SEA) to San Juan (SJU) with Delta SkyMiles?
The lowest one-way Delta SkyMiles awards AwardTool observed in the last 30 days (newest observation Oct 16, 2026): economy 23,900 miles + $5.60, with a typical monthly low of 25,900 miles over 5 months and award space on 31 departure dates; first class 57,400 miles + $5.60, with a typical monthly low of 89,800 miles over 5 months and award space on 31 departure dates. Monthly lows varied in economy (23,900 to 52,200 miles) and first class (57,400 to 166,600 miles), so the award on your dates may cost more. Search live before transferring points.
What's the lowest SkyMiles award from Seattle (SEA) to San Juan (SJU)?
In economy, 23,900 miles + $5.60. Delta SkyMiles showed economy award space on 31 departure dates at any price (newest observation Oct 16, 2026, 17:47 UTC). In first class, 57,400 miles + $5.60. Delta SkyMiles showed first-class award space on 31 departure dates at any price (newest observation Oct 16, 2026, 17:47 UTC). Search live before transferring points.
Can you book nonstop awards from Seattle (SEA) to San Juan (SJU) with SkyMiles?
AwardTool hasn't observed nonstop Delta SkyMiles award space on this route in the last 30 days. That doesn't mean nonstop space never appears.
Which credit card points can book SkyMiles awards from Seattle (SEA) to San Juan (SJU)?
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 Seattle (SEA) to San Juan (SJU)?
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 Dec 2026 departures: 23,900 miles (8 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.