United MileagePlus award flights from San José, Costa Rica (SJO) to Washington Dulles (IAD)
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In the last 30 days AwardTool saw United MileagePlus award space for SJO→IAD in economy, business class and first class. Lowest economy: 19,400 miles + $67.41 (economy space on 33 dates). Lowest business class: 38,500 miles + $67.41 (business-class space on 33 dates). Lowest first class: 152,600 miles + $73.01 (first-class space on 12 dates).
Prices observed – ; newest observation .
Page regenerated from the Oct 19, 2026 data snapshot (normally daily). Summary last changed . Seats change quickly.
- Lowest economy
- 19,400 miles + $67.41
- economy space on 33 dates
- Lowest business class
- 38,500 miles + $67.41
- business-class space on 33 dates
- Lowest first class
- 152,600 miles + $73.01
- first-class space on 12 dates
MileagePlus award prices by cabin
The lowest one-way United MileagePlus award AwardTool observed on SJO→IAD in each cabin, in miles plus taxes.
| Cabin | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Economy | 19,400 miles + $67.41 | Nonstop | Air Canada (AC), Avianca (AV), COPA Airlines (CM), United Airlines (UA) | 9+ | 33 | See dates | |
| Business | 38,500 miles + $67.41 | 1 stopNonstop from 55,300 pts | Air Canada (AC), Avianca (AV), COPA Airlines (CM), United Airlines (UA) | 3 | 33 | See dates | |
| First | 152,600 miles + $73.01 | 2 stops | United Airlines (UA) | 9+ | 12 | 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 MileagePlus award examples
| Departure | Cabin | Points + taxes | Seats | Stops | Observed (UTC) | |
|---|---|---|---|---|---|---|
| Economy | 20,000 miles + $73.37 | 8 | 1 stop | Check this date | ||
| Economy | 20,000 miles + $73.01 | 9+ | 1 stop | Check this date | ||
| Economy | 20,000 miles + $73.01 | 9+ | 1 stop | Check this date | ||
| Business | 38,500 miles + $67.77 | 2 | 1 stop | Check this date | ||
| Business | 38,500 miles + $68.91 | 2 | 1 stop | Check this date | ||
| Business | 38,500 miles + $68.91 | 2 | 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 MileagePlus award space showed up
Departure dates in the next 365 days that AwardTool checked for United MileagePlus 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 | 33 of 33 | 100% | |
| Business | 33 of 33 | 100% | |
| First | 12 of 33 | 36% |
Best months to fly from San José, Costa Rica (SJO) to Washington Dulles (IAD) with MileagePlus
| Month | Economy | Business | First |
|---|---|---|---|
| 20,000 (3 dates) | 38,500 (3 dates) | — | |
| 20,000 (3 dates) | 38,500 (3 dates) | — | |
| 19,400 (9 dates) | 38,500 (9 dates) | — | |
| 39,700 (7 dates) | 38,500 (7 dates) | 152,600 (3 dates) | |
| 22,000 (3 dates) | 57,000 (3 dates) | 219,700 (3 dates) | |
| 22,000 (5 dates) | 38,500 (5 dates) | 259,400 (4 dates) | |
| 22,000 (3 dates) | 79,600 (3 dates) | 259,400 (2 dates) |
How to get MileagePlus miles
- Bilt Rewards: 1:1 · Instant
- Chase Ultimate Rewards: 1:1 · Instant
Check current transfer bonuses. Most transfers can't be reversed.
MileagePlus vs other programs from San José, Costa Rica (SJO) to Washington Dulles (IAD)
Lowest one-way award per program and cabin on this route.
| Program | Economy | Premium Economy | Business | First |
|---|---|---|---|---|
| Air Canada Aeroplan | 12,500 pts + $137.88 | 23,061 pts + $145.78Lowest | 25,000 pts + $137.88 | — |
| Air France/KLM Flying Blue | 19,000 pts + $123.42 | — | — | — |
| Alaska Atmos Rewards | 17,500 pts + $93.37 | — | — | 35,000 pts + $93.37LowestMixed cabin |
| American Airlines AAdvantage | 17,500 pts + $78.97 | — | 42,000 pts + $73.01 | 57,000 pts + $73.01 |
| Avianca LifeMiles | 7,650 pts + $95.81Lowest | — | 23,340 pts + $96.17Lowest | — |
| United MileagePlus | 19,400 pts + $67.41 | — | 38,500 pts + $67.41 | 152,600 pts + $73.01 |
| Virgin Australia Velocity | 19,000 pts + $157.07 | — | — | — |
Questions about MileagePlus award flights from San José, Costa Rica (SJO) to Washington Dulles (IAD)
How many miles do you need to fly from San José, Costa Rica (SJO) to Washington Dulles (IAD) with United MileagePlus?
The lowest one-way United MileagePlus awards AwardTool observed in the last 30 days: economy 19,400 miles + $67.41, with a typical monthly low of 22,000 miles over 7 months and award space on 33 departure dates (newest observation Oct 16, 2026); business class 38,500 miles + $67.41, with a typical monthly low of 38,500 miles over 7 months and award space on 33 departure dates (newest observation Oct 16, 2026); first class 152,600 miles + $73.01, with a typical monthly low of 219,700 miles over 4 months and award space on 12 departure dates (newest observation Oct 2, 2026). Monthly lows varied in economy (19,400 to 39,700 miles), business class (38,500 to 79,600 miles) and first class (152,600 to 259,400 miles), so the award on your dates may cost more. Search live before transferring points.
What's the lowest MileagePlus award from San José, Costa Rica (SJO) to Washington Dulles (IAD)?
In economy, 19,400 miles + $67.41. United MileagePlus showed economy award space on 33 departure dates at any price (newest observation Oct 16, 2026, 22:19 UTC). In business class, 38,500 miles + $67.41. Seen Oct 6, 2026, 22:02 UTC for an Oct 22, 2026 departure. United MileagePlus showed business-class award space on 33 departure dates at any price (newest observation Oct 16, 2026, 22:19 UTC). Search live before transferring points.
Can you book nonstop awards from San José, Costa Rica (SJO) to Washington Dulles (IAD) with MileagePlus?
Yes. AwardTool observed nonstop United MileagePlus award space in business class, and in economy from 19,400 miles.
Which credit card points can book MileagePlus awards from San José, Costa Rica (SJO) to Washington Dulles (IAD)?
Bilt Rewards (1:1, Instant) and Chase Ultimate Rewards (1:1, Instant). Check current transfer bonuses; most transfers can't be reversed.
Which months had the lowest MileagePlus award prices from San José, Costa Rica (SJO) to Washington Dulles (IAD)?
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 Dec 2026 departures: 19,400 miles (9 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.