Daily connections using Bustang West Line and the Summit Stage Lake County Commuter. Times checked August 27, 2026.
Transfer at Frisco Station. The scheduled noon-to-noon connection is included and marked tight.
Transfer at Frisco Station. Connections under 20 minutes are marked tight; mountain delays can make them unreliable.
Estimated adult total: $22 one way. The two services are paid separately.
Adult one-way fare. Buy online before boarding and show the ticket barcode to the driver. Single-ride tickets can also be bought onboard with cash; use exact fare.
One-way fare. Pay onboard with exact cash, or buy and activate a mobile pass through Token Transit before boarding.
Fares can change. Bustang’s ticket site shows the final price after you choose Denver Union Station, Frisco, and your travel date.
Board the westbound A Line at Denver Airport Station. Trains arrive at Union Station Track 1.
| Day | First departure | Last departure | Union Station arrival |
|---|---|---|---|
| Monday–Thursday | 4:12 AM | 1:27 AM next day | 2:04 AM |
| Friday–Saturday | 4:12 AM | 1:57 AM next day | 2:34 AM |
| Sunday / holiday | 4:12 AM | 1:27 AM next day | 2:04 AM |
Current timetable: June 7–September 26, 2026. RTD’s next service change is September 27; verify times for travel on or after that date.
$10 Airport Day Pass for a standard-fare rider. It covers unlimited RTD trips for the service day, including airport service.
Buy at the station ticket machine or in the RTD MyRide app. You can also tap a contactless credit/debit card or mobile wallet on the rail validator before boarding.
Eligible discount riders pay $2.70 for a Day Pass with airport travel included. Youth 19 and under and active-duty U.S. military ride free with proof of eligibility.
Use these when you do not need a through connection.