San Francisco (SFO) to San José (Alajuela) (SJO) flights
United Airlines flies nonstop from San Francisco International Airport to Juan Santamaría International Airport, with about 7 flights a week in July 2026. The 3,039-mile flight takes about 6h 23m gate to gate.
From
SFO
San Francisco
San Francisco International Airport
To
SJO
San José (Alajuela)
Juan Santamaría International Airport
- Distance
- 3,039 mi · 4,891 km
- Flight time
- 6h 23m
- Airlines
- 1
- Seats filled
- 81%
Flights a week, July 2026
364 flights and 49,083 passengers in 12 months
Airlines flying SFO to SJO
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| United Airlines | 7 | Boeing 737 MAX 8, Boeing 737-800, Boeing 737 MAX 9 | 49,083 | 6h 23m |
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 | 32 | 3,455 | |
| September 2025 | 29 | 3,125 | |
| October 2025 | 30 | 3,750 | |
| November 2025 | 30 | 3,841 | |
| December 2025 | 31 | 4,557 | |
| January 2026 | 31 | 4,562 | |
| February 2026 | 27 | 4,061 | |
| March 2026 | 32 | 4,681 | |
| April 2026 | 30 | 3,899 | |
| May 2026 | 31 | 3,868 | |
| June 2026 | 30 | 4,512 | |
| July 2026 | 31 | 4,772 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.