First-class award flights from Washington Dulles (IAD) to Liberia, Costa Rica (LIR)
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In the last 30 days AwardTool saw first-class award space on 4 programs for IAD→LIR. Lowest: 35,000 points + $44.21 with Alaska Atmos Rewards, which showed first-class award space on 44 dates. No nonstop first-class 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
- 35,000 points + $44.21
- Alaska Atmos Rewards
- Programs with space
- 4 of 8
- programs seen on this route
- Most dates seen
- 44 of 45
- dates checked · Alaska Atmos Rewards
- Nonstop
- Not seen
- in the last 30 days
Compare programs for first class
The lowest one-way first-class award each program showed on IAD→LIR, sorted by points.
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Alaska Atmos RewardsLowest observed | 35,000 pts + $44.21 | 1 stop | American Airlines (AA), Alaska Airlines (AS) | 3 | 44 | See dates | |
| United MileagePlus | 46,000 pts + $24.21 | 1 stop | United Airlines (UA) | 9+ | 38 | See dates | |
| Delta SkyMiles | 69,200 pts + $24.21 | 1 stop | Delta Air Lines (DL) | 1 | 43 | See dates | |
| American Airlines AAdvantage | 90,000 pts + $24.21 | 2 stops | Alaska Airlines (AS) | — | 20 | See dates |
Not seen in first class: Air Canada Aeroplan, Etihad Guest, GOL Smiles 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 | 79,100 pts + $24.21 | 9+ | 1 stop | Check this date | ||
| Alaska Atmos Rewards | 95,000 pts + $24.21 | 3 | 2 stops | Check this date | ||
| Alaska Atmos Rewards | 95,000 pts + $24.21 | 3 | 2 stops | Check this date | ||
| American Airlines AAdvantage | 107,000 pts + $29.81 | — | 2 stops | Check this date | ||
| American Airlines AAdvantage | 107,000 pts + $24.21 | — | 2 stops | Check this date | ||
| Delta SkyMiles | 124,600 pts + $24.21 | 3 | 1 stop | Check this date | ||
| United MileagePlus | 177,200 pts + $24.21 | 4 | 1 stop | Check this date | ||
| Delta SkyMiles | 323,100 pts + $24.21 | 4 | 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 | 44 of 45 | 97% | |
| United MileagePlus | 38 of 61 | 62% | |
| Delta SkyMiles | 43 of 43 | 100% | |
| American Airlines AAdvantage | 20 of 73 | 27% |
Best months for first class from Washington Dulles (IAD) to Liberia, Costa Rica (LIR)
| Month | Lowest observed | Program | Dates |
|---|---|---|---|
| 107,000 pts + taxes vary | American Airlines AAdvantage | 1 | |
| 46,000 pts + taxes vary | United MileagePlus | 15 | |
| 35,000 pts + taxes vary | Alaska Atmos Rewards | 30 | |
| 50,000 pts + taxes vary | Alaska Atmos Rewards | 6 | |
| 65,000 pts + taxes vary | Alaska Atmos Rewards | 6 | |
| 90,000 pts + taxes vary | American Airlines AAdvantage | 2 |
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 | — | 95,000 | 35,000 | 50,000 | 65,000 | — |
| United MileagePlusmiles | — | 46,000 | 46,600 | 133,200 | 177,200 | — |
| Delta SkyMilesmiles | — | 124,600 | 69,200 | 82,700 | 127,100 | — |
| American Airlines AAdvantagemiles | 107,000 | 107,000 | 90,000 | 90,000 | 90,000 | 90,000 |
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): 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 Washington Dulles (IAD) 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 Washington Dulles (IAD)Return direction | 57,000 miles | American Airlines AAdvantage | 8 |
| Baltimore (BWI) to Liberia (LIR)Another Washington airport | 90,000 miles | American Airlines AAdvantage | 5 |
| Washington National (DCA) to Liberia (LIR)Another Washington airport | 107,000 miles | American Airlines AAdvantage | 2 |
| Washington Dulles (IAD) to Salt Lake City (SLC)Also from IAD | 25,000 miles | American Airlines AAdvantage | 324 |
| Washington Dulles (IAD) to Honolulu (HNL)Also from IAD | 50,000 points | Alaska Atmos Rewards | 323 |
| Washington Dulles (IAD) to Seattle (SEA)Also from IAD | 25,000 milesNonstop | American Airlines AAdvantage | 311 |
| 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 |
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 Washington Dulles (IAD) to Liberia, Costa Rica (LIR)
What's the lowest first-class award from Washington Dulles (IAD) to Liberia, Costa Rica (LIR)?
35,000 points + $44.21 with Alaska Atmos Rewards. Alaska Atmos Rewards showed first-class award space on 44 departure dates at any price (newest observation Oct 14, 2026, 22:21 UTC). Search live before transferring points.
Which programs had first-class award space from Washington Dulles (IAD) to Liberia, Costa Rica (LIR)?
Alaska Atmos Rewards (44 dates), United MileagePlus (38 dates), Delta SkyMiles (43 dates) and American Airlines AAdvantage (20 dates), in the last 30 days.
Is there nonstop first-class award space from Washington Dulles (IAD) to Liberia, Costa Rica (LIR)?
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 Washington Dulles (IAD) 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 Jan 2027 departures: 35,000 points with Atmos (30 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.