The average bus between Longmont and Denver International Airport takes 2h 23m and the fastest bus takes 2h 5m. There is a bus service every few hours from Longmont to Denver International Airport. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run hourly between Longmont and Denver International Airport. The earliest departure is at 5:10 AM in the morning, and the last departure from Longmont is at 11:35 PM which arrives into Denver International Airport at 4:17 AM. All services require a transfer, and take on average 2h 23m. The schedules shown below are for the next available departures.

2h 39m • 1 change

2h 14m • 1 change

2h 14m • 1 change

2h 14m • 1 change

2h 13m • 1 change

2h 13m • 1 change

2h 9m • 1 change

2h 9m • 1 change

2h 11m • 1 change

2h 12m • 1 change

2h 12m • 1 change

2h 10m • 1 change
Want to know about travelling from Longmont to Denver International Airport? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct bus from Longmont to Denver International Airport. However, there are services departing from Longmont station and arriving at Denver International Airport station via Downtown Boulder Station station. The journey, including transfers, takes approximately 2h 23m.
Longmont to Denver International Airport bus services, operated by Regional Transportation District, depart from Coffman St & 4th Ave station.
Longmont to Denver International Airport bus services, operated by Regional Transportation District, arrive at Denver Airport Station Gate 6.
The distance between Longmont and Denver International Airport is 50.9 km. The road distance is 98 km.
You can take a bus from Coffman St & 4th Ave to Denver Airport Station Gate 6 via Downtown Boulder Station Gate 2 in around 2h 40m.