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Flagstaff to Boulder buses

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Trip Overview

The average bus between Flagstaff and Boulder takes 23h 55m and the fastest bus takes 18h 17m. The bus runs, on average, 4 times per week from Flagstaff to Boulder. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

23h 55m
Duration
799 mi
Distance
4 times a week
Frequency

Flagstaff to Boulder bus times

Buses run 4 times a week between Flagstaff and Boulder. The earliest departure is at 12:55 PM in the afternoon, and the last departure from Flagstaff is at 12:55 PM which arrives into Boulder at 8:14 AM. All services require a transfer at Albuquerque Bus Station and take an average of 23h 55m. The schedules shown below are for the next available departures.

Departing Friday, October 9, 2026

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    Arrives next day

    Greyhound USAGreyhound USARegional Transport18h 17m • 2 changes

Departing Saturday, October 10, 2026

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    Arrives +2 days

    Greyhound USAGreyhound USARegional Transport40h 45m • 2 changes

Departing Sunday, October 11, 2026

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    Arrives next day

    Greyhound USAGreyhound USARegional Transport18h 19m • 2 changes

Departing Monday, October 12, 2026

  •  → 

    Arrives next day

    Greyhound USAGreyhound USARegional Transport18h 19m • 2 changes

Frequently asked questions

Want to know about travelling from Flagstaff to Boulder? 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.

Map of how to get from Flagstaff to Boulder.ExpandLaunch map view
  • Distance: 798.9 mi
  • Duration: 23h 55m

What companies run services between Flagstaff, AZ, USA and Boulder, CO, USA?

You can take a bus from Flagstaff Bus Station to Broadway & Euclid Ave via Albuquerque Bus Station, Denver Union Station, and Union Station Gate B17 in around 17h 18m.

Operators