Denver (DEN) to San José (Alajuela) (SJO) flights
United Airlines flies nonstop from Denver International Airport to Juan Santamaría International Airport, with about 3 flights a week in July 2026. The 2,411-mile flight takes about 5h 9m gate to gate.
From
DEN
Denver
Denver International Airport
To
SJO
San José (Alajuela)
Juan Santamaría International Airport
- Distance
- 2,411 mi · 3,880 km
- Flight time
- 5h 9m
- Airlines
- 1
- Seats filled
- 89%
Flights a week, July 2026
135 flights and 20,189 passengers in 12 months
Airlines flying DEN to SJO
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| United Airlines | 2 | Boeing 737 MAX 8 | 13,660 | 5h 10m |
| Southwest AirlinesSeasonal or ended | n/a | Boeing 737 MAX 8, Boeing 737-800 | 6,529 | 5h 7m |
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 | 8 | 1,015 | |
| October 2025 | 1 | 148 | |
| November 2025 | 13 | 1,864 | |
| December 2025 | 22 | 3,357 | |
| January 2026 | 18 | 2,832 | |
| February 2026 | 12 | 1,869 | |
| March 2026 | 15 | 2,371 | |
| April 2026 | 13 | 1,981 | |
| May 2026 | 9 | 1,412 | |
| June 2026 | 12 | 1,678 | |
| July 2026 | 12 | 1,662 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.