San José (Alajuela) (SJO) to Dulles (IAD) flights
There were no regular nonstop flights from SJO to IAD in July 2026; the route was flown 91 times in the previous 12 months. The 2,037-mile flight takes about 2h 21m gate to gate.
From
SJO
San José (Alajuela)
Juan Santamaría International Airport
To
IAD
Dulles
Washington Dulles International Airport
- Distance
- 2,037 mi · 3,278 km
- Flight time
- 2h 21m
- Airlines
- 2
- Seats filled
- 79%
Flights a week, July 2026
91 flights and 12,445 passengers in 12 months
Airlines flying SJO to IAD
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| United AirlinesSeasonal or ended | n/a | Boeing 737 MAX 8, Boeing 737 MAX 9 | 6,735 | 4h 52m |
| Avianca Costa RicaSeasonal or ended | n/a | Airbus A320-100/200, Airbus A320neo | 5,710 | 0m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 13 | 2,012 | |
| November 2025 | 6 | 825 | |
| December 2025 | 24 | 2,671 | |
| January 2026 | 22 | 2,897 | |
| February 2026 | 7 | 1,067 | |
| March 2026 | 9 | 1,403 | |
| April 2026 | 8 | 1,270 | |
| May 2026 | 1 | 155 | |
| July 2026 | 1 | 145 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.