First-class award flights from Boston (BOS) to San José, Costa Rica (SJO)
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In the last 30 days AwardTool saw first-class award space on 4 programs for BOS→SJO. Lowest: 47,900 miles + $24.68 with United MileagePlus, which showed first-class award space on 47 dates. A mixed-cabin itinerary, with part of the trip in a lower cabin, was seen from 35,000 points + $44.68 with Alaska Atmos Rewards.
Prices observed – ; newest observation .
Page regenerated from the Oct 19, 2026 data snapshot (normally daily). Summary last changed . Seats change quickly.
- Lowest observed
- 47,900 miles + $24.68
- United MileagePlus
- Programs with space
- 4 of 10
- programs seen on this route
- Most dates seen
- 47 of 47
- dates checked · United MileagePlus
- Nonstop
- Not seen
- in the last 30 days
Compare programs for first class
The lowest one-way first-class award each program showed on BOS→SJO, sorted by points.
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Alaska Atmos RewardsLowest, mixed cabin | 35,000 pts + $44.68Mixed cabin | 2 stops | American Airlines (AA), Alaska Airlines (AS) | 1 | 34 | See dates | |
| United MileagePlus | 47,900 pts + $24.68 | 1 stop | Avianca (AV), COPA Airlines (CM), United Airlines (UA) | 9+ | 47 | See dates | |
| American Airlines AAdvantage | 57,000 pts + $24.68 | 2 stops | Alaska Airlines (AS) | — | 37 | See dates | |
| Delta SkyMiles | 92,500 pts + $24.68 | 1 stop | Delta Air Lines (DL) | 1 | 35 | See dates |
Not seen in first class: Air Canada Aeroplan, Aeromexico Club Premier, Avianca LifeMiles, JetBlue TrueBlue, Etihad Guest and Qantas Frequent Flyer.
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 first-class award examples
| Departure | Program | Points + taxes | Seats | Stops | Observed (UTC) | |
|---|---|---|---|---|---|---|
| United MileagePlus | 47,900 pts + $24.68 | 9+ | 1 stop | Check this date | ||
| United MileagePlus | 68,400 pts + $30.28 | 7 | 2 stops | Check this date | ||
| Alaska Atmos Rewards | 85,000 pts + $24.68 | 1 | 2 stops | Check this date | ||
| American Airlines AAdvantage | 90,000 pts + $24.68 | — | 2 stops | Check this date | ||
| American Airlines AAdvantage | 90,000 pts + $24.68 | — | 2 stops | Check this date | ||
| Delta SkyMiles | 105,400 pts + $24.68 | 6 | 1 stop | Check this date | ||
| Alaska Atmos Rewards | 110,000 pts + $24.68 | 3 | 2 stops | Check this date | ||
| Delta SkyMiles | 260,600 pts + $24.68 | 5 | 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 first-class award space showed up
Departure dates in the next 365 days that AwardTool checked for each program in the last 30 days, how many had first-class award space at any price, and the latest departure with space.
| Program | Dates with space | Share of dates checked | Latest departure with space |
|---|---|---|---|
| Alaska Atmos Rewards | 34 of 34 | 100% | |
| United MileagePlus | 47 of 47 | 100% | |
| American Airlines AAdvantage | 37 of 74 | 50% | |
| Delta SkyMiles | 35 of 35 | 100% |
Best months for first class from Boston (BOS) to San José, Costa Rica (SJO)
| Month | Lowest observed | Program | Dates |
|---|---|---|---|
| 47,900 pts + taxes vary | United MileagePlus | 5 | |
| 90,000 pts + taxes vary | American Airlines AAdvantage | 5 | |
| 80,400 pts + taxes vary | United MileagePlus | 1 | |
| 68,200 pts + taxes vary | United MileagePlus | 6 | |
| 107,000 pts + taxes vary | American Airlines AAdvantage | 2 | |
| 90,000 pts + taxes vary | American Airlines AAdvantage | 1 | |
| 35,000 pts + taxes varyMixed cabin | Alaska Atmos Rewards | 5 | |
| 50,000 pts + taxes vary | Alaska Atmos Rewards | 15 | |
| 90,000 pts + taxes vary | American Airlines AAdvantage | 1 |
Lowest first class award by month and program
Each program's lowest one-way first-class award by departure month, in its own points or miles; taxes vary. — means the program showed no first-class space that month.
| Program | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Alaska Atmos Rewardspoints | 85,000 | 110,000 | — | 70,000 | — | — | 35,000Mixed cabin | 50,000 | — |
| United MileagePlusmiles | 47,900 | 102,200 | 80,400 | 68,200 | — | 157,000 | 67,200 | 76,300 | — |
| American Airlines AAdvantagemiles | 90,000 | 90,000 | 107,000 | 90,000 | 107,000 | 90,000 | — | 57,000 | 90,000 |
| Delta SkyMilesmiles | 105,400 | 196,600 | — | 105,400 | — | — | 92,500 | 118,700 | — |
Airlines seen in first class
Airlines that appeared on the award itineraries AwardTool observed, and the programs that showed them.
- American Airlines (AA): Alaska Atmos Rewards
- Alaska Airlines (AS): Alaska Atmos Rewards and American Airlines AAdvantage
- Avianca (AV): United MileagePlus
- COPA Airlines (CM): United MileagePlus
- Delta Air Lines (DL): Delta SkyMiles
- United Airlines (UA): United MileagePlus
First class on nearby routes
The lowest first-class 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 Boston (BOS) and to San José, Costa Rica (SJO). One way, in the program's points or miles; taxes are on each route's page.
| Route | Lowest observed | Program | Dates seen |
|---|---|---|---|
| San José (SJO) to Boston (BOS)Return direction | 35,000 points | Alaska Atmos Rewards | 14 |
| Boston (BOS) to Nashville (BNA)Also from BOS | 22,300 milesNonstop | Delta SkyMiles | 320 |
| Boston (BOS) to Miami (MIA)Also from BOS | 15,000 pointsNonstop | Alaska Atmos Rewards | 294 |
| Boston (BOS) to Dallas-Fort Worth (DFW)Also from BOS | 25,000 pointsNonstop | Alaska Atmos Rewards | 325 |
| Boston (BOS) to San Francisco (SFO)Also from BOS | 25,000 miles | American Airlines AAdvantage | 302 |
| Atlanta (ATL) to San José (SJO)Also to SJO | 25,000 points | Air Canada Aeroplan | 14 |
| Los Angeles (LAX) to San José (SJO)Also to SJO | 57,000 milesNonstop | American Airlines AAdvantage | 76 |
| Lima (LIM) to San José (SJO)Also to SJO | 247,500 miles | Delta SkyMiles | 310 |
Points that transfer to these programs
| Program | Amex | Bilt | Capital One | Chase | Citi | Wells Fargo |
|---|---|---|---|---|---|---|
| Alaska Atmos Rewards | — | 1:1 · ~1 day | — | — | — | — |
| American Airlines AAdvantage | — | — | — | — | 1:1 · Instant | — |
| Delta SkyMiles | 1:1 · Instant | — | — | — | — | — |
| United MileagePlus | — | 1:1 · Instant | — | 1:1 · Instant | — | — |
Check current transfer bonuses. Most transfers can't be reversed.
Questions about first-class award flights from Boston (BOS) to San José, Costa Rica (SJO)
What's the lowest first-class award from Boston (BOS) to San José, Costa Rica (SJO)?
47,900 miles + $24.68 with United MileagePlus. Seen Oct 9, 2026, 23:20 UTC for a Nov 7, 2026 departure. United MileagePlus showed first-class award space on 47 departure dates at any price (newest observation Oct 15, 2026, 18:20 UTC). A mixed-cabin itinerary, with part of the trip in a lower cabin, was seen from 35,000 points + $44.68 with Alaska Atmos Rewards. Search live before transferring points.
Which programs had first-class award space from Boston (BOS) to San José, Costa Rica (SJO)?
Alaska Atmos Rewards (34 dates), United MileagePlus (47 dates), American Airlines AAdvantage (37 dates) and Delta SkyMiles (35 dates), in the last 30 days.
Is there nonstop first-class award space from Boston (BOS) to San José, Costa Rica (SJO)?
AwardTool hasn't observed nonstop first-class award space on this route in the last 30 days. That doesn't mean nonstop space never appears.
Which months had the lowest first-class 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 first-class award AwardTool observed was for Nov 2026 departures: 47,900 miles with MileagePlus (5 dates). A mixed-cabin itinerary was seen for May 2027 departures from 35,000 points with Atmos. The month table shows every lowest price, including those. Based on dates we observed, not a forecast.