First-class award flights from Boston (BOS) to Liberia, Costa Rica (LIR)
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In the last 30 days AwardTool saw first-class award space on 5 programs for BOS→LIR. Lowest: 53,000 miles + $29.81 with United MileagePlus, which showed first-class award space on 49 dates. A mixed-cabin itinerary, with part of the trip in a lower cabin, was seen from 35,000 points + $44.21 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
- 53,000 miles + $29.81
- United MileagePlus
- Programs with space
- 5 of 10
- programs seen on this route
- Most dates seen
- 49 of 50
- dates checked · United MileagePlus
- Nonstop
- Seen
- from 70,800 miles + taxes vary
Compare programs for first class
The lowest one-way first-class award each program showed on BOS→LIR, sorted by points.
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Alaska Atmos RewardsLowest, mixed cabin | 35,000 pts + $44.21Mixed cabin | 2 stops | American Airlines (AA), Alaska Airlines (AS) | 5 | 34 | See dates | |
| United MileagePlus | 53,000 pts + $29.81 | 2 stops | United Airlines (UA) | 9+ | 49 | See dates | |
| American Airlines AAdvantage | 57,000 pts + $24.21 | 2 stops | Alaska Airlines (AS) | — | 14 | See dates | |
| Virgin Atlantic Flying Club | 70,000 pts + $24.21 | Nonstop | Delta Air Lines (DL) | 2 | 2 | See dates | |
| Delta SkyMiles | 70,800 pts + $24.21 | Nonstop | Delta Air Lines (DL) | 9+ | 37 | See dates |
Not seen in first class: Air Canada Aeroplan, Avianca LifeMiles, JetBlue TrueBlue, Etihad Guest and GOL Smiles.
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) | |
|---|---|---|---|---|---|---|
| Alaska Atmos Rewards | 35,000 pts + $49.81Mixed cabin | 1 | 2 stops | Check this date | ||
| United MileagePlus | 67,000 pts + $24.21 | 9+ | 1 stop | Check this date | ||
| United MileagePlus | 68,100 pts + $24.21 | 8 | 1 stop | Check this date | ||
| American Airlines AAdvantage | 107,000 pts + $24.21 | — | 2 stops | Check this date | ||
| Alaska Atmos Rewards | 110,000 pts + $35.41 | 2 | 2 stops | Check this date | ||
| Delta SkyMiles | 130,500 pts + $24.21 | 3 | 1 stop | Check this date | ||
| Delta SkyMiles | 228,600 pts + $24.21 | 9+ | 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 | 49 of 50 | 98% | |
| American Airlines AAdvantage | 14 of 72 | 19% | |
| Virgin Atlantic Flying Club | 2 of 34 | 5% | |
| Delta SkyMiles | 37 of 37 | 100% |
Nonstop first-class award space
- Virgin Atlantic Flying Club: nonstop from 70,000 points; nonstop space on 1 date.
- Delta SkyMiles: nonstop from 70,800 miles; nonstop space on 8 dates.
Best months for first class from Boston (BOS) to Liberia, Costa Rica (LIR)
| Month | Lowest observed | Program | Dates |
|---|---|---|---|
| 68,100 pts + taxes vary | United MileagePlus | 1 | |
| 35,000 pts + taxes varyMixed cabin | Alaska Atmos Rewards | 1 | |
| 35,000 pts + taxes varyMixed cabin | Alaska Atmos Rewards | 4 | |
| 90,000 pts + taxes vary | American Airlines AAdvantage | 1 | |
| 61,900 pts + taxes vary | United MileagePlus | 6 | |
| 57,000 pts + taxes vary | American Airlines AAdvantage | 1 | |
| 35,000 pts + taxes varyMixed cabin | Alaska Atmos Rewards | 8 | |
| 35,000 pts + taxes varyMixed cabin | Alaska Atmos Rewards | 15 |
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 | 110,000 | 35,000Mixed cabin | 35,000Mixed cabin | — | 70,000 | — | 35,000Mixed cabin | 35,000Mixed cabin |
| United MileagePlusmiles | 68,100 | 67,000 | 61,300 | — | 61,900 | 79,100 | 71,800 | 53,000 |
| American Airlines AAdvantagemiles | — | 107,000 | 107,000 | 90,000 | — | 57,000 | — | 90,000 |
| Virgin Atlantic Flying Clubpoints | — | — | 70,000 | — | — | — | 129,500 | — |
| Delta SkyMilesmiles | 130,500 | 228,600 | 70,800 | — | 82,000 | — | 92,000 | 113,800 |
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
- Delta Air Lines (DL): Virgin Atlantic Flying Club and 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 Liberia, Costa Rica (LIR). One way, in the program's points or miles; taxes are on each route's page.
| Route | Lowest observed | Program | Dates seen |
|---|---|---|---|
| Liberia (LIR) to Boston (BOS)Return direction | 107,000 miles | American Airlines AAdvantage | 5 |
| 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 |
| Denver (DEN) to Liberia (LIR)Also to LIR | 35,000 points | Alaska Atmos Rewards | 314 |
| Los Angeles (LAX) to Liberia (LIR)Also to LIR | 45,000 pointsNonstop | Alaska Atmos Rewards | 73 |
| Chicago O’Hare (ORD) to Liberia (LIR)Also to LIR | 57,000 miles | American Airlines AAdvantage | 15 |
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 | — | — |
| Virgin Atlantic Flying Club | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant | 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 Liberia, Costa Rica (LIR)
What's the lowest first-class award from Boston (BOS) to Liberia, Costa Rica (LIR)?
53,000 miles + $29.81 with United MileagePlus. United MileagePlus showed first-class award space on 49 departure dates at any price (newest observation Oct 18, 2026, 20:42 UTC). A mixed-cabin itinerary, with part of the trip in a lower cabin, was seen from 35,000 points + $44.21 with Alaska Atmos Rewards. Search live before transferring points.
Which programs had first-class award space from Boston (BOS) to Liberia, Costa Rica (LIR)?
Alaska Atmos Rewards (34 dates), United MileagePlus (49 dates), American Airlines AAdvantage (14 dates), Virgin Atlantic Flying Club (2 dates) and Delta SkyMiles (37 dates), in the last 30 days.
Is there nonstop first-class award space from Boston (BOS) to Liberia, Costa Rica (LIR)?
Yes. AwardTool observed nonstop first-class award space via Virgin Atlantic Flying Club and Delta SkyMiles. The lowest nonstop award was 70,800 miles with Delta SkyMiles, which showed nonstop first-class space on 8 dates.
Which months had the lowest first-class award prices from Boston (BOS) to Liberia, Costa Rica (LIR)?
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 Jun 2027 departures: 53,000 miles with MileagePlus (15 dates). A mixed-cabin itinerary was seen for Jun 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.