Delta SkyMiles award flights from Washington Dulles (IAD) to San José, Costa Rica (SJO)
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In the last 30 days AwardTool saw Delta SkyMiles award space for IAD→SJO in economy and first class. Lowest economy: 17,800 miles + $24.68 (economy space on 42 dates). Lowest first class: 81,400 miles + $24.68 (first-class space on 42 dates).
Prices observed – ; newest observation .
Page regenerated from the Oct 19, 2026 data snapshot (normally daily). Summary last changed . Seats change quickly.
- Lowest economy
- 17,800 miles + $24.68
- economy space on 42 dates
- Lowest first class
- 81,400 miles + $24.68
- first-class space on 42 dates
SkyMiles award prices by cabin
The lowest one-way Delta SkyMiles award AwardTool observed on IAD→SJO in each cabin, in miles plus taxes.
| Cabin | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Economy | 17,800 miles + $24.68 | 1 stop | DL | 2 | 42 | See dates | |
| First | 81,400 miles + $24.68 | 1 stop | DL | 2 | 42 | 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 SkyMiles award examples
| Departure | Cabin | Points + taxes | Seats | Stops | Observed (UTC) | |
|---|---|---|---|---|---|---|
| Economy | 31,700 miles + $24.68 | 9+ | 1 stop | Check this date | ||
| Economy | 39,500 miles + $24.68 | 9+ | 1 stop | Check this date | ||
| Economy | 55,300 miles + $24.68 | 7 | 1 stop | Check this date | ||
| First | 110,800 miles + $24.68 | 7 | 1 stop | Check this date | ||
| First | 117,300 miles + $24.68 | 4 | 1 stop | Check this date | ||
| First | 157,400 miles + $24.68 | 5 | 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 SkyMiles award space showed up
Departure dates in the next 365 days that AwardTool checked for Delta SkyMiles 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 | 42 of 42 | 100% | |
| First | 42 of 42 | 100% |
Best months to fly from Washington Dulles (IAD) to San José, Costa Rica (SJO) with SkyMiles
| Month | Economy | First |
|---|---|---|
| 31,700 (4 dates) | 110,800 (4 dates) | |
| 120,400 (1 date) | 172,400 (1 date) | |
| 17,800 (31 dates) | 81,400 (31 dates) | |
| 24,400 (6 dates) | 81,400 (6 dates) |
How to get SkyMiles
- American Express Membership Rewards: 1:1 · Instant
Check current transfer bonuses. Most transfers can't be reversed.
SkyMiles vs other programs from Washington Dulles (IAD) to San José, Costa Rica (SJO)
Lowest one-way award per program and cabin on this route.
| Program | Economy | Premium Economy | Business | First |
|---|---|---|---|---|
| Air Canada Aeroplan | 12,500 pts + $94.69 | 23,061 pts + $102.69Lowest | 25,000 pts + $94.69 | — |
| Alaska Atmos Rewards | 17,500 pts + $50.28 | — | — | 50,000 pts + $50.28Lowest |
| American Airlines AAdvantage | 19,500 pts + $24.68 | — | 42,000 pts + $24.68 | 57,000 pts + $24.68 |
| Avianca LifeMiles | 7,650 pts + $53.08Lowest | — | 23,340 pts + $53.08Lowest | — |
| Delta SkyMiles | 17,800 pts + $24.68 | — | — | 81,400 pts + $24.68 |
| Qantas Frequent Flyer | 20,700 pts + $48.08 | — | 43,600 pts + $48.08 | — |
| United MileagePlus | 20,000 pts + $24.68 | — | 38,500 pts + $24.68 | 50,700 pts + $24.68 |
| Virgin Australia Velocity | 19,000 pts + $49.46 | — | — | — |
Questions about SkyMiles award flights from Washington Dulles (IAD) to San José, Costa Rica (SJO)
How many miles do you need to fly from Washington Dulles (IAD) to San José, Costa Rica (SJO) with Delta SkyMiles?
The lowest one-way Delta SkyMiles awards AwardTool observed in the last 30 days (newest observation Oct 19, 2026): economy 17,800 miles + $24.68, with a typical monthly low of 24,400 miles over 4 months and award space on 42 departure dates; first class 81,400 miles + $24.68, with a typical monthly low of 81,400 miles over 4 months and award space on 42 departure dates. Monthly lows varied in economy (17,800 to 120,400 miles) and first class (81,400 to 172,400 miles), so the award on your dates may cost more. Search live before transferring points.
What's the lowest SkyMiles award from Washington Dulles (IAD) to San José, Costa Rica (SJO)?
In economy, 17,800 miles + $24.68. Delta SkyMiles showed economy award space on 42 departure dates at any price (newest observation Oct 19, 2026, 19:47 UTC). In first class, 81,400 miles + $24.68. Delta SkyMiles showed first-class award space on 42 departure dates at any price (newest observation Oct 19, 2026, 19:47 UTC). Search live before transferring points.
Can you book nonstop awards from Washington Dulles (IAD) to San José, Costa Rica (SJO) with SkyMiles?
AwardTool hasn't observed nonstop Delta SkyMiles award space on this route in the last 30 days. That doesn't mean nonstop space never appears.
Which credit card points can book SkyMiles awards from Washington Dulles (IAD) to San José, Costa Rica (SJO)?
American Express Membership Rewards (1:1, Instant). Check current transfer bonuses; most transfers can't be reversed.
Which months had the lowest SkyMiles award prices from Washington Dulles (IAD) to San José, Costa Rica (SJO)?
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 Jan 2027 departures: 17,800 miles (31 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.