Thornton to Keystone Buses

Thornton to Keystone buses

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Trip Overview

The average bus between Thornton and Keystone takes 7h 31m and the fastest bus takes 2h 57m. The bus service runs several times per day from Thornton to Keystone. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

7h 31m
Duration: 91 mi
Distance: $15
Average price: 3 times a day
Frequency

Bus

best

Take the bus from Union Station Gate B19 to Frisco Transit Centerbus West / ...

3h 49m

$12–17

Thornton to Keystone bus times

Buses run 3 times a day between Thornton and Keystone. The earliest departure is at 7:24 AM in the morning, and the last departure from Thornton is at 11:07 PM which arrives into Keystone at 8:24 AM. All services require a transfer at Union Station and take an average of 7h 31m. The schedules shown below are for the next available departures.

Departing Thursday, October 29, 2026

6:49 PM → 6:55 AM
Arrives next day
12h 6m • 2 changes
10:59 PM → 8:24 AM
Arrives next day
9h 25m • 2 changes

Departing Friday, October 30, 2026

11:17 AM → 2:24 PM
3h 7m • 2 changes
1:17 PM → 4:24 PM
3h 7m • 2 changes
6:49 PM → 6:55 AM
Arrives next day
12h 6m • 2 changes
10:59 PM → 8:24 AM
Arrives next day
9h 25m • 2 changes

Departing Saturday, October 31, 2026

7:24 AM → 10:24 AM
3h • 2 changes
11:27 AM → 2:24 PM
2h 57m • 2 changes
1:27 PM → 4:24 PM
2h 57m • 2 changes
7:07 PM → 6:55 AM
Arrives next day
12h 48m • 2 changes
Show more

Departing Monday, November 2, 2026

11:17 AM → 2:24 PM
3h 7m • 2 changes
1:17 PM → 4:24 PM
3h 7m • 2 changes
6:49 PM → 6:55 AM
Arrives next day
12h 6m • 2 changes
10:59 PM → 8:24 AM
Arrives next day
9h 25m • 2 changes

Departing Tuesday, November 3, 2026

11:17 AM → 2:24 PM
3h 7m • 2 changes
1:17 PM → 4:24 PM
3h 7m • 2 changes
6:49 PM → 6:55 AM
Arrives next day
12h 6m • 2 changes
10:59 PM → 8:24 AM
Arrives next day
9h 25m • 2 changes

Departing Wednesday, November 4, 2026

11:17 AM → 2:24 PM
3h 7m • 2 changes
1:17 PM → 4:24 PM
3h 7m • 2 changes

Frequently asked questions

Want to know about travelling from Thornton to Keystone? 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.

Trip Overview

Bus