Dulles to San José (Alajuela) (IAD–SJO) — Airlines, Schedules & Connections
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No nonstop flights on this route. connecting options below.
IAD–SJO is served by 1 airline with nonstop service. United Airlines leads the route. The flight covers 2,043 miles in approximately 4h 58m. Beyond nonstop, 46 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| UA United Airlines | 2 | 7M8 | 4h58 | Star Alliance | – |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Other ways to reach San José (Alajuela) from Dulles
| Metric | IAD→SJO | BWI→SJO |
|---|---|---|
| Distance from IAD | – | 45 mi |
| Nonstop airlines | 1 | 1 |
| Weekly flights | 2 | 2 |
| Flight time | 4h 58m | 4h 45m |
| Departure OTP | 100% | – |
Travel Essentials
IAD: EDT · SJO: CST
When it's 6:00 PM in Dulles, it's 4:00 PM in San José (Alajuela).
US passport holders enter Costa Rica visa-free for stays up to 180 days. No advance application is needed. Passport must be valid for at least one day beyond the date of entry. A return or onward ticket is required and airlines will check before boarding. Proof of funds (USD 100 per month of stay) may be requested at immigration.
WMATA Silver Line Metro now reaches Dulles directly; take Silver Line to Washington Dulles Airport station (about 65 min from Metro Center, ~$7). The connection opened in late 2022.Ride-shares from downtown DC run $35–60 and take 35–50 minutes via I-66 (longer during peak hours). Washington Flyer coach to Wiehle-Reston East Metro costs $6. The airport is 27 miles from downtown; taxis are expensive ($60–80).
IAD–SJO Quick Facts
Frequently Asked Questions
Flights from IAD to SJO
Washington Dulles International Airport (IAD) and Juan Santamaría International Airport (SJO) are connected by nonstop service from United Airlines. With 2 weekly departures, this is a regularly served route.
IAD to SJO Flight Duration and Schedule
Nonstop flight time from IAD to SJO ranges from 4 hours 58 minutes. The route covers a distance of 2,043 miles (3,288 km). There are approximately 2 weekly flights outbound and 2 return, totaling 4 flights per week in both directions.
Connecting Options and Alternatives
46 one-stop connections are available, with the fastest taking approximately 5 hours via PBI. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Baltimore (BWI).