American Airlines AAdvantage award flights from Seattle (SEA) to Liberia, Costa Rica (LIR)
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In the last 30 days AwardTool saw American Airlines AAdvantage award space for SEA→LIR in economy, business class and first class. Lowest economy: 9,500 miles + $24.21 (economy space on 82 dates). Lowest business class: 27,000 miles + $24.21 (business-class space on 82 dates). Lowest first class: 57,000 miles + $24.21 (first-class space on 59 dates).
Prices observed – ; newest observation .
Page regenerated from the Oct 19, 2026 data snapshot (normally daily). Summary last changed . Seats change quickly.
- Lowest economy
- 9,500 miles + $24.21
- economy space on 82 dates
- Lowest business class
- 27,000 miles + $24.21
- business-class space on 82 dates
- Lowest first class
- 57,000 miles + $24.21
- first-class space on 59 dates
AAdvantage award prices by cabin
The lowest one-way American Airlines AAdvantage award AwardTool observed on SEA→LIR in each cabin, in miles plus taxes.
| Cabin | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Economy | 9,500 miles + $24.21 | 1 stopNonstop from 42,500 pts | American Airlines (AA), Alaska Airlines (AS) | — | 82 | See dates | |
| Business | 27,000 miles + $24.21 | 1 stop | American Airlines (AA), Alaska Airlines (AS) | — | 82 | See dates | |
| First | 57,000 miles + $24.21 | 1 stopNonstop from 107,000 pts | American Airlines (AA), Alaska Airlines (AS) | — | 59 | 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 | 9,500 miles + $24.21 | — | 1 stop | Check this date | ||
| Economy | 23,000 miles + $29.81 | — | 2 stops | Check this date | ||
| Economy | 33,500 miles + $24.21 | — | 1 stop | Check this date | ||
| Business | 66,000 miles + $24.21 | — | 1 stop | Check this date | ||
| Business | 71,000 miles + $24.21 | — | 2 stops | Check this date | ||
| Business | 75,000 miles + $29.81 | — | 2 stops | Check this date | ||
| First | 90,000 miles + $24.21 | — | 1 stop | Check this date | ||
| First | 107,000 miles + $24.21 | — | 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 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 | 82 of 82 | 100% | |
| Business | 82 of 82 | 100% | |
| First | 59 of 82 | 71% |
Best months to fly from Seattle (SEA) to Liberia, Costa Rica (LIR) with AAdvantage
| Month | Economy | Business | First |
|---|---|---|---|
| 9,500 (1 date) | 66,000 (1 date) | 107,000 (1 date) | |
| 33,500 (7 dates) | 71,000 (7 dates) | 90,000 (4 dates) | |
| 9,500 (18 dates) | 27,500 (18 dates) | 57,000 (4 dates) | |
| 9,500 (21 dates) | 33,000 (21 dates) | 57,000 (20 dates) | |
| 9,500 (25 dates) | 27,500 (25 dates) | 57,000 (20 dates) | |
| 9,500 (6 dates) | 31,500 (6 dates) | 57,000 (6 dates) | |
| 9,500 (4 dates) | 27,000 (4 dates) | 90,000 (4 dates) |
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 Seattle (SEA) to Liberia, Costa Rica (LIR)
Lowest one-way award per program and cabin on this route.
| Program | Economy | Premium Economy | Business | First |
|---|---|---|---|---|
| Air Canada Aeroplan | 25,000 pts + $94.22 | — | 107,797 pts + $102.92Mixed cabin | — |
| Air France/KLM Flying Blue | 27,500 pts + $56.61 | — | — | — |
| Alaska Atmos Rewards | 22,500 pts + $24.21 | — | — | 50,000 pts + $44.21Lowest |
| American Airlines AAdvantage | 9,500 pts + $24.21Lowest | — | 27,000 pts + $24.21Lowest | 57,000 pts + $24.21 |
| Delta SkyMiles | 27,500 pts + $24.21 | — | — | 105,000 pts + $24.21 |
| GOL Smiles | 60,500 pts + taxes not reported | 304,200 pts + taxes not reportedLowest | 123,700 pts + taxes not reportedMixed cabin | — |
| Qantas Frequent Flyer | 23,300 pts + $47.61 | — | 68,400 pts + $47.61 | — |
| United MileagePlus | 20,000 pts + $24.21 | — | 60,600 pts + $29.81 | 60,600 pts + $24.21 |
Questions about AAdvantage award flights from Seattle (SEA) to Liberia, Costa Rica (LIR)
How many miles do you need to fly from Seattle (SEA) to Liberia, Costa Rica (LIR) 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 9,500 miles + $24.21, with monthly lows of 9,500 miles in 6 months and 33,500 miles in 1 month, and award space on 82 departure dates; business class 27,000 miles + $24.21, with a typical monthly low of 31,500 miles over 7 months and award space on 82 departure dates; first class 57,000 miles + $24.21, with a typical monthly low of 57,000 miles over 7 months and award space on 59 departure dates. Monthly lows varied in economy (9,500 to 33,500 miles), business class (27,000 to 71,000 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 Seattle (SEA) to Liberia, Costa Rica (LIR)?
In economy, 9,500 miles + $24.21. Seen Sep 28, 2026, 21:40 UTC for an Oct 24, 2026 departure. American Airlines AAdvantage showed economy award space on 82 departure dates at any price (newest observation Oct 19, 2026, 22:37 UTC). In business class, 27,000 miles + $24.21. American Airlines AAdvantage showed business-class award space on 82 departure dates at any price (newest observation Oct 19, 2026, 22:37 UTC). Search live before transferring points.
Can you book nonstop awards from Seattle (SEA) to Liberia, Costa Rica (LIR) with AAdvantage?
Yes. AwardTool observed nonstop American Airlines AAdvantage award space in first class, and in economy from 42,500 miles.
Which credit card points can book AAdvantage awards from Seattle (SEA) to Liberia, Costa Rica (LIR)?
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 Seattle (SEA) 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 economy award AwardTool observed was for Feb 2027 departures: 9,500 miles (25 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.