San José (Alajuela) (SJO) to Denver (DEN) flights
United Airlines flies nonstop from Juan Santamaría International Airport to Denver International Airport, with about 2 flights a week in July 2026. The 2,411-mile flight takes about 5h 33m gate to gate.
From
SJO
San José (Alajuela)
Juan Santamaría International Airport
To
DEN
Denver
Denver International Airport
- Distance
- 2,411 mi · 3,880 km
- Flight time
- 5h 33m
- Airlines
- 1
- Seats filled
- 89%
Flights a week, July 2026
122 flights and 18,181 passengers in 12 months
Airlines flying SJO to DEN
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| United Airlines | 2 | Boeing 737 MAX 8, Boeing 737 MAX 9 | 13,682 | 5h 30m |
| Southwest AirlinesSeasonal or ended | n/a | Boeing 737 MAX 8, Boeing 737-700 / MAX 7, Boeing 737-800 | 4,499 | 5h 42m |
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 | 7 | 1,104 | |
| November 2025 | 14 | 1,526 | |
| December 2025 | 21 | 3,258 | |
| January 2026 | 18 | 2,744 | |
| February 2026 | 11 | 1,651 | |
| March 2026 | 10 | 1,619 | |
| April 2026 | 11 | 1,726 | |
| May 2026 | 8 | 1,224 | |
| June 2026 | 11 | 1,678 | |
| July 2026 | 11 | 1,651 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.