Award flights from Washington Dulles (IAD) to Liberia, Costa Rica (LIR)
Search flights from Washington Dulles (IAD) to Liberia, Costa Rica (LIR)
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In the last 30 days AwardTool saw award space on 8 programs for IAD→LIR. Lowest economy: 10,000 miles + $24.21 (American Airlines AAdvantage). Lowest business class: 27,500 miles + $24.21 (American Airlines AAdvantage). Lowest first class: 35,000 points + $44.21 (Alaska Atmos Rewards).
Prices observed – ; newest observation .
Page regenerated from the Oct 19, 2026 data snapshot (normally daily). Summary last changed . Seats change quickly.
Washington Dulles (IAD) to Liberia, Costa Rica (LIR) at a glance
- From
- Washington Dulles International, Washington, D.C., United States (IAD)
- To
- Daniel Oduber Quirós International Airport, Liberia, Costa Rica (LIR)
- Programs with award space seen
- 8 of 8 programs tracked on this route
- Nonstop award space seen
- Yes, in economy and business class, via Air Canada Aeroplan and United MileagePlus
- Airlines seen on these awards
- American Airlines (AA), Air Canada (AC), Alaska Airlines (AS), Avianca (AV), Delta Air Lines (DL), United Airlines (UA)
- Departures with open awards
- Oct 2026 to Aug 2027
- Most dates with space
- 61 of 61 departure dates checked (United MileagePlus, economy)
- Latest departure with space
- Observation window
- Awards observed in the last 30 days
- Destination guide
- Award flights to Liberia (LIR)
Compare programs by cabin
The lowest one-way award each program showed in each cabin, sorted by points.
Economy
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| American Airlines AAdvantageLowest observed | 10,000 pts + $24.21 | 1 stop | American Airlines (AA), Alaska Airlines (AS) | — | 58 | See dates | |
| Delta SkyMiles | 10,200 pts + $24.21 | 1 stop | Delta Air Lines (DL) | 2 | 43 | See dates | |
| Air Canada Aeroplan | 17,500 pts + $94.22 | Nonstop | Air Canada (AC), Avianca (AV), United Airlines (UA) | 9+ | 50 | See dates | |
| Alaska Atmos Rewards | 17,500 pts + $44.21 | 2 stops | American Airlines (AA), Alaska Airlines (AS) | 9+ | 45 | See dates | |
| United MileagePlus | 18,600 pts + $24.21 | Nonstop | United Airlines (UA) | 9+ | 61 | See dates | |
| Qantas Frequent Flyer | 20,700 pts + $47.61 | 1 stop | American Airlines (AA) | 1 | 26 | See dates | |
| Etihad Guest | 27,000 pts + $56.61 | 2 stops | American Airlines (AA) | 7 | 19 | See dates | |
| GOL Smiles | 29,500 pts + taxes not reported | 1 stop | American Airlines (AA), Air Canada (AC), Alaska Airlines (AS) | 1 | 44 | See dates |
Business Class
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| American Airlines AAdvantageLowest observed | 27,500 pts + $24.21 | 1 stop | American Airlines (AA) | — | 58 | See dates | |
| Etihad Guest | 43,000 pts + $56.61Mixed cabin | 2 stops | American Airlines (AA) | 6 | 7 | See dates | |
| Qantas Frequent Flyer | 43,600 pts + $47.61 | 1 stop | American Airlines (AA) | 1 | 7 | See dates | |
| United MileagePlus | 46,000 pts + $24.21 | Nonstop | United Airlines (UA) | 9+ | 61 | See dates | |
| GOL Smiles | 108,600 pts + taxes not reportedMixed cabin | 2 stops | American Airlines (AA), Air Canada (AC) | 1 | 32 | See dates | |
| Air Canada Aeroplan | 121,854 pts + $126.52Mixed cabin | 2 stops | Air Canada (AC), Avianca (AV), United Airlines (UA) | 2 | 49 | See dates |
Not seen in business class: Alaska Atmos Rewards and Delta SkyMiles.
First Class
| 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.
Premium economy: not seen in the last 30 days.
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 award examples
| Departure | Cabin | Program | Points + taxes | Seats | Stops | Observed (UTC) | |
|---|---|---|---|---|---|---|---|
| Economy | American Airlines AAdvantage | 10,000 pts + $24.21 | — | 1 stop | Check this date | ||
| Economy | Qantas Frequent Flyer | 20,700 pts + $47.61 | 1 | 1 stop | Check this date | ||
| Business | American Airlines AAdvantage | 28,000 pts + $29.81 | — | 2 stops | Check this date | ||
| Business | Air Canada Aeroplan | 153,959 pts + $102.22 | 2 | 2 stops | Check this date | ||
| Business | GOL Smiles | 241,400 pts + taxes not reported | 1 | 2 stops | Check this date | ||
| First | United MileagePlus | 79,100 pts + $24.21 | 9+ | 1 stop | Check this date | ||
| First | Alaska Atmos Rewards | 95,000 pts + $24.21 | 3 | 2 stops | Check this date | ||
| First | Delta SkyMiles | 124,600 pts + $24.21 | 3 | 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.
Nonstop award space
- Economy: nonstop from 17,500 points via Air Canada Aeroplan, which showed nonstop space on 3 dates (2 programs had nonstop space).
- Business class: nonstop from 46,000 miles via United MileagePlus, which showed nonstop space on 16 dates.
Best months to fly from Washington Dulles (IAD) to Liberia, Costa Rica (LIR) on points
| Month | Economy | Business | First |
|---|---|---|---|
| 10,000 · AAdvantage (2 dates) | 28,000 · AAdvantage (2 dates) | 107,000 · AAdvantage (1 date) | |
| 10,000 · AAdvantage (4 dates) | 65,000 · AAdvantage (4 dates) | — | |
| 10,000 · AAdvantage (16 dates) | 27,500 · AAdvantage (16 dates) | 46,000 · MileagePlus (15 dates) | |
| 10,000 · AAdvantage (16 dates) | 27,500 · AAdvantage (16 dates) | 35,000 · Atmos (30 dates) | |
| 10,000 · AAdvantage (9 dates) | 47,000 · AAdvantage (9 dates) | 50,000 · Atmos (6 dates) | |
| 17,500 · Aeroplan (8 dates) | 63,900 · MileagePlus (7 dates) | 65,000 · Atmos (6 dates) | |
| 10,000 · AAdvantage (2 dates) | 27,500 · AAdvantage (2 dates) | 90,000 · AAdvantage (2 dates) | |
| 10,500 · AAdvantage (1 date) | 29,500 · AAdvantage (1 date) | — |
Points that transfer to these programs
| Program | Amex | Bilt | Capital One | Chase | Citi | Wells Fargo |
|---|---|---|---|---|---|---|
| Air Canada Aeroplan | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant | — | — |
| Alaska Atmos Rewards | — | 1:1 · ~1 day | — | — | — | — |
| American Airlines AAdvantage | — | — | — | — | 1:1 · Instant | — |
| Delta SkyMiles | 1:1 · Instant | — | — | — | — | — |
| Etihad Guest | — | 1:1 · Instant | 1:1 · ~1 day | — | 1:1 · Instant | — |
| Qantas Frequent Flyer | 1:1 · Instant | — | 1:1 · ~1-2 days | — | 1:1 · Instant | — |
| United MileagePlus | — | 1:1 · Instant | — | 1:1 · Instant | — | — |
Check current transfer bonuses. Most transfers can't be reversed. No bank transfers to GOL Smiles.
Search, calendar and alerts from Washington Dulles (IAD) to Liberia, Costa Rica (LIR)
Route calendar
Every departure date with open award seats on IAD→LIR for United MileagePlus and the other programs: a limited window on the free plan and 365 days with Pro.
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Search Washington Dulles (IAD) to Liberia, Costa Rica (LIR)How many miles or points you need from Washington Dulles (IAD) to Liberia, Costa Rica (LIR)
- In economy, American Airlines AAdvantage had the lowest observed award, 10,000 miles + $24.21; see how many miles you need with American Airlines AAdvantage.
- In business class, American Airlines AAdvantage had the lowest observed award, 27,500 miles + $24.21; see how many miles you need with American Airlines AAdvantage.
- In first class, Alaska Atmos Rewards had the lowest observed award, 35,000 points + $44.21; see how many points you need with Alaska Atmos Rewards.
Questions about award flights from Washington Dulles (IAD) to Liberia, Costa Rica (LIR)
What's the lowest Washington Dulles (IAD) to Liberia, Costa Rica (LIR) award price AwardTool has seen?
In economy, 10,000 miles + $24.21 with American Airlines AAdvantage. Seen Oct 8, 2026, 21:52 UTC for a Nov 28, 2026 departure. American Airlines AAdvantage showed economy award space on 58 departure dates at any price (newest observation Oct 17, 2026, 20:35 UTC). In business class, 27,500 miles + $24.21 with American Airlines AAdvantage. American Airlines AAdvantage showed business-class award space on 58 departure dates at any price (newest observation Oct 17, 2026, 20:35 UTC). Search live before transferring points.
Which loyalty programs had award space from Washington Dulles (IAD) to Liberia, Costa Rica (LIR)?
8 programs in the last 30 days: American Airlines AAdvantage (economy 58 dates, business class 58 dates, first class 20 dates); Air Canada Aeroplan (economy 50 dates, business class 49 dates); Alaska Atmos Rewards (economy 45 dates, first class 44 dates); Delta SkyMiles (economy 43 dates, first class 43 dates); Etihad Guest (economy 19 dates, business class 7 dates); GOL Smiles (economy 44 dates, business class 32 dates); Qantas Frequent Flyer (economy 26 dates, business class 7 dates); United MileagePlus (economy 61 dates, business class 61 dates, first class 38 dates). Dates count departure dates with an open award.
Is there nonstop award space from Washington Dulles (IAD) to Liberia, Costa Rica (LIR)?
Yes. AwardTool observed nonstop award space in economy and business class, bookable via Air Canada Aeroplan and United MileagePlus. The lowest nonstop award in economy was 17,500 points with Air Canada Aeroplan.
Which credit card points can book awards from Washington Dulles (IAD) to Liberia, Costa Rica (LIR)?
American Express Membership Rewards: Air Canada Aeroplan (1:1), Delta SkyMiles (1:1), Qantas Frequent Flyer (1:1). Bilt Rewards: Air Canada Aeroplan (1:1), Alaska Atmos Rewards (1:1), Etihad Guest (1:1), United MileagePlus (1:1). Capital One Miles: Air Canada Aeroplan (1:1), Etihad Guest (1:1), Qantas Frequent Flyer (1:1). Chase Ultimate Rewards: Air Canada Aeroplan (1:1), United MileagePlus (1:1). Citi ThankYou Points: American Airlines AAdvantage (1:1), Etihad Guest (1:1), Qantas Frequent Flyer (1:1). Ratios come from AwardTool's transfer partner list; check current bonuses first.
Which months had the lowest 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: in economy, the lowest award was for Dec 2026 departures, 10,000 miles with AAdvantage (16 dates); in business class, the lowest award was for Dec 2026 departures, 27,500 miles with AAdvantage (16 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.