American Airlines AAdvantage award flights from Boston (BOS) to San José, Costa Rica (SJO)
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In the last 30 days AwardTool saw American Airlines AAdvantage award space for BOS→SJO in economy, business class and first class. Lowest economy: 19,500 miles + $24.68 (economy space on 73 dates). Lowest business class: 42,000 miles + $24.68 (business-class space on 72 dates). Lowest first class: 57,000 miles + $24.68 (first-class space on 37 dates).
Prices observed – ; newest observation .
Page regenerated from the Oct 19, 2026 data snapshot (normally daily). Summary last changed . Seats change quickly.
- Lowest economy
- 19,500 miles + $24.68
- economy space on 73 dates
- Lowest business class
- 42,000 miles + $24.68
- business-class space on 72 dates
- Lowest first class
- 57,000 miles + $24.68
- first-class space on 37 dates
AAdvantage award prices by cabin
The lowest one-way American Airlines AAdvantage award AwardTool observed on BOS→SJO in each cabin, in miles plus taxes.
| Cabin | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Economy | 19,500 miles + $24.68 | 1 stop | AAAS | — | 73 | See dates | |
| Business | 42,000 miles + $24.68 | 1 stop | AA | — | 72 | See dates | |
| First | 57,000 miles + $24.68 | 2 stops | AS | — | 37 | 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 AAdvantage award examples
| Departure | Cabin | Points + taxes | Seats | Stops | Observed (UTC) | |
|---|---|---|---|---|---|---|
| Economy | 22,000 miles + $30.28 | — | 2 stops | Check this date | ||
| Economy | 25,000 miles + $24.68 | — | 2 stops | Check this date | ||
| Economy | 25,000 miles + $24.68 | — | 2 stops | Check this date | ||
| Business | 49,000 miles + $30.28 | — | 1 stop | Check this date | ||
| Business | 49,500 miles + $24.68 | — | 2 stops | Check this date | ||
| Business | 49,500 miles + $24.68 | — | 2 stops | Check this date | ||
| First | 90,000 miles + $24.68 | — | 2 stops | Check this date | ||
| First | 90,000 miles + $24.68 | — | 2 stops | 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 AAdvantage award space showed up
Departure dates in the next 365 days that AwardTool checked for American Airlines AAdvantage 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 | 73 of 74 | 98% | |
| Business | 72 of 74 | 97% | |
| First | 37 of 74 | 50% |
Best months to fly from Boston (BOS) to San José, Costa Rica (SJO) with AAdvantage
| Month | Economy | Business | First |
|---|---|---|---|
| 22,000 (3 dates) | 49,500 (3 dates) | — | |
| 29,000 (9 dates) | 49,000 (9 dates) | 90,000 (2 dates) | |
| 19,500 (19 dates) | 42,000 (19 dates) | 90,000 (5 dates) | |
| 22,500 (6 dates) | 73,000 (6 dates) | 107,000 (3 dates) | |
| 25,000 (8 dates) | 55,500 (7 dates) | 90,000 (8 dates) | |
| 27,000 (2 dates) | 64,500 (2 dates) | 107,000 (2 dates) | |
| 19,500 (4 dates) | 42,000 (4 dates) | 90,000 (1 date) | |
| 19,500 (5 dates) | 42,000 (5 dates) | — | |
| 28,000 (15 dates) | 42,000 (15 dates) | 57,000 (15 dates) | |
| 27,500 (1 date) | 53,500 (1 date) | 90,000 (1 date) | |
| 19,500 (1 date) | 42,000 (1 date) | — |
How to get AAdvantage miles
- Citi ThankYou Points: 1:1 · Instant
Check current transfer bonuses. Most transfers can't be reversed.
AAdvantage vs other programs from Boston (BOS) to San José, Costa Rica (SJO)
Lowest one-way award per program and cabin on this route.
| Program | Economy | Premium Economy | Business | First |
|---|---|---|---|---|
| Aeromexico Club Premier | 45,500 pts + $117.95 | 73,400 pts + $118.59 | 53,000 pts + $118.11 | — |
| Air Canada Aeroplan | 12,500 pts + $94.79 | 32,979 pts + $102.69Lowest | 25,000 pts + $95.09Mixed cabin | — |
| Alaska Atmos Rewards | 17,500 pts + $44.68 | — | — | 35,000 pts + $44.68LowestMixed cabin |
| American Airlines AAdvantage | 19,500 pts + $24.68 | — | 42,000 pts + $24.68 | 57,000 pts + $24.68 |
| Avianca LifeMiles | 8,950 pts + $53.08Lowest | — | 21,970 pts + $54.58Lowest | — |
| Delta SkyMiles | 26,200 pts + $24.68 | — | — | 92,500 pts + $24.68 |
| Etihad Guest | 28,000 pts + $57.08 | — | 45,000 pts + $57.08Mixed cabin | — |
| JetBlue TrueBlue | 26,400 pts + $24.68 | — | — | — |
| Qantas Frequent Flyer | 20,700 pts + $48.08 | — | 52,800 pts + $48.08Mixed cabin | — |
| United MileagePlus | 20,000 pts + $24.68 | — | 38,500 pts + $24.68Mixed cabin | 47,900 pts + $24.68 |
Questions about AAdvantage award flights from Boston (BOS) to San José, Costa Rica (SJO)
How many miles do you need to fly from Boston (BOS) to San José, Costa Rica (SJO) with American Airlines AAdvantage?
The lowest one-way American Airlines AAdvantage awards AwardTool observed in the last 30 days (newest observation Oct 19, 2026): economy 19,500 miles + $24.68, with a typical monthly low of 22,500 miles over 11 months and award space on 73 departure dates; business class 42,000 miles + $24.68, with a typical monthly low of 49,000 miles over 11 months and award space on 72 departure dates; first class 57,000 miles + $24.68, with a typical monthly low of 90,000 miles over 8 months and award space on 37 departure dates. Monthly lows varied in economy (19,500 to 29,000 miles), business class (42,000 to 73,000 miles) and first class (57,000 to 107,000 miles), so the award on your dates may cost more. Search live before transferring points.
What's the lowest AAdvantage award from Boston (BOS) to San José, Costa Rica (SJO)?
In economy, 19,500 miles + $24.68. American Airlines AAdvantage showed economy award space on 73 departure dates at any price (newest observation Oct 19, 2026, 15:52 UTC). In business class, 42,000 miles + $24.68. American Airlines AAdvantage showed business-class award space on 72 departure dates at any price (newest observation Oct 19, 2026, 15:52 UTC). Search live before transferring points.
Can you book nonstop awards from Boston (BOS) to San José, Costa Rica (SJO) with AAdvantage?
AwardTool hasn't observed nonstop American Airlines AAdvantage award space on this route in the last 30 days. That doesn't mean nonstop space never appears.
Which credit card points can book AAdvantage awards from Boston (BOS) to San José, Costa Rica (SJO)?
Citi ThankYou Points (1:1, Instant). Check current transfer bonuses; most transfers can't be reversed.
Which months had the lowest AAdvantage award prices from Boston (BOS) to San José, Costa Rica (SJO)?
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: 19,500 miles (19 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.