The average bus between Denver International Airport and Longmont takes 2h 4m and the fastest bus takes 1h 50m. There is a bus service every few hours from Denver International Airport to Longmont. 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 Denver International Airport and Longmont. The earliest departure is at 5:20 AM in the morning, and the last departure from Denver International Airport is at 11:20 PM which arrives into Longmont at 1:10 AM. All services require a transfer at Downtown Boulder Station and take an average of 2h 4m. The schedules shown below are for the next available departures.

2h • 1 change

1h 58m • 1 change

2h • 1 change

2h • 1 change

1h 50m • 1 change

1h 53m • 1 change

1h 53m • 1 change

2h 24m • 1 change

2h 51m • 1 change

2h 52m • 1 change

2h 52m • 1 change

2h 22m • 1 change
Want to know about travelling from Denver International Airport to Longmont? 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 Denver International Airport to Longmont. However, there are services departing from Denver International Airport station and arriving at Longmont station via Downtown Boulder Station station. The journey, including transfers, takes approximately 2h 4m.
Denver International Airport to Longmont bus services, operated by Regional Transportation District, depart from Denver Airport Station Gate 8.
Denver International Airport to Longmont bus services, operated by Regional Transportation District, arrive at Coffman St & 4th Ave station.
The distance between Denver International Airport and Longmont is 50.9 km. The road distance is 96 km.
You can take a bus from Denver Airport Station Gate 8 to Coffman St & 4th Ave via Downtown Boulder Station and Downtown Boulder Station Gate 3 in around 2h 7m.