Economy award flights from St. Louis (STL) to San Juan (SJU)
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In the last 30 days AwardTool saw economy award space on 1 program for STL→SJU. Lowest: 19,500 miles + $5.60 with American Airlines AAdvantage, which showed economy award space on 23 dates. No nonstop economy award was seen in the last 30 days.
Prices observed – ; newest observation .
Page regenerated from the Oct 19, 2026 data snapshot (normally daily). Summary last changed . Seats change quickly.
- Lowest observed
- 19,500 miles + $5.60
- American Airlines AAdvantage
- Programs with space
- 1 of 1
- programs seen on this route
- Most dates seen
- 23 of 25
- dates checked · American Airlines AAdvantage
- Nonstop
- Not seen
- in the last 30 days
Compare programs for economy
The lowest one-way economy award each program showed on STL→SJU, sorted by points.
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| American Airlines AAdvantage | 19,500 pts + $5.60 | 1 stop | American Airlines (AA) | — | 23 | 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 economy award examples
| Departure | Program | Points + taxes | Seats | Stops | Observed (UTC) | |
|---|---|---|---|---|---|---|
| American Airlines AAdvantage | 19,500 pts + $5.60 | — | 1 stop | Check this date | ||
| American Airlines AAdvantage | 19,500 pts + $5.60 | — | 1 stop | Check this date | ||
| American Airlines AAdvantage | 19,500 pts + $5.60 | — | 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 economy award space showed up
Of the 25 departure dates in the next 365 days that AwardTool checked for American Airlines AAdvantage in the last 30 days, 23 (92%) showed economy award space. The latest departure with space was .
Best months for economy from St. Louis (STL) to San Juan (SJU)
| Month | Lowest observed | Program | Dates |
|---|---|---|---|
| 19,500 pts + taxes vary | American Airlines AAdvantage | 5 | |
| 31,500 pts + taxes vary | American Airlines AAdvantage | 4 | |
| 19,500 pts + taxes vary | American Airlines AAdvantage | 13 | |
| 19,500 pts + taxes vary | American Airlines AAdvantage | 1 |
Airlines seen in economy
Airlines that appeared on the award itineraries AwardTool observed, and the programs that showed them.
- American Airlines (AA): American Airlines AAdvantage
Economy on nearby routes
The lowest economy award AwardTool observed on related routes, as each route's page shows it: the return direction, other airports in the same cities, and more routes from St. Louis (STL) and to San Juan (SJU). One way, in the program's points or miles; taxes are on each route's page.
| Route | Lowest observed | Program | Dates seen |
|---|---|---|---|
| San Juan (SJU) to St. Louis (STL)Return direction | 19,500 miles | American Airlines AAdvantage | 26 |
| St. Louis (STL) to Frankfurt (FRA)Also from STL | 21,000 miles | American Airlines AAdvantage | 308 |
| St. Louis (STL) to Tampa (TPA)Also from STL | 8,000 miles | American Airlines AAdvantage | 323 |
| St. Louis (STL) to Charlotte (CLT)Also from STL | 4,500 pointsNonstop | Alaska Atmos Rewards | 235 |
| St. Louis (STL) to Vancouver (YVR)Also from STL | 12,500 miles | American Airlines AAdvantage | 328 |
| Houston (IAH) to San Juan (SJU)Also to SJU | 11,500 miles | American Airlines AAdvantage | 316 |
| New York JFK to San Juan (SJU)Also to SJU | 5,300 points | JetBlue TrueBlue | 317 |
| Dallas-Fort Worth (DFW) to San Juan (SJU)Also to SJU | 12,900 points | JetBlue TrueBlue | 316 |
Points that transfer to these programs
| Program | Amex | Bilt | Capital One | Chase | Citi | Wells Fargo |
|---|---|---|---|---|---|---|
| American Airlines AAdvantage | — | — | — | — | 1:1 · Instant | — |
Check current transfer bonuses. Most transfers can't be reversed.
Questions about economy award flights from St. Louis (STL) to San Juan (SJU)
What's the lowest economy award from St. Louis (STL) to San Juan (SJU)?
19,500 miles + $5.60 with American Airlines AAdvantage. Seen Oct 19, 2026, 12:25 UTC for a Nov 22, 2026 departure. American Airlines AAdvantage showed economy award space on 23 departure dates at any price (newest observation Oct 19, 2026, 14:56 UTC). Search live before transferring points.
Is there nonstop economy award space from St. Louis (STL) to San Juan (SJU)?
AwardTool hasn't observed nonstop economy award space on this route in the last 30 days. That doesn't mean nonstop space never appears.
Which months had the lowest economy award prices from St. Louis (STL) 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 Jan 2027 departures: 19,500 miles with AAdvantage (13 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.