There are 7 ways to get from Flagstaff to Boulder by plane, bus, train, car, shuttle, taxi, or bus (Greyhound)
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Fly from Flagstaff, bus
best- Fly from Flagstaff (FLG) to Denver (DEN)plane FLG - DEN
- Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus
5h 34mDrive 655.9 mi
cheapest- Drive from Flagstaff to Bouldercar 655.9 mi
12h 53m$120–173Train, bus via Albuquerque
- Take the train from Flagstaff to Albuquerque Alvarado Transportation Centertrain
- Take the bus from Albuquerque Bus Station to Denver Union Stationbus
- Take the bus from Union Station Gate B17 to Downtown Boulder Stationbus Ff1 / ...
16h 30mTrain, bus
- Take the train from Flagstaff to Las Vegas Amtrak Stationtrain
- Take the bus from Las Vegas Transportation Center to Denverbus
- Take the bus from Union Station Gate B17 to Broadway & Regent Drbus Ff1 / ...
16h 50mShuttle to Phoenix, fly, bus
- Take a shuttle bus from Flagstaff Amtrak to Sky Harbor International Airport
- Fly from Phoenix (PHX) to Denver (DEN)plane PHX - DEN
- Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus
6h 47mBus, taxi to Prescott, fly
- Take the bus from Flagstaff University North to Camp Verde Chevron Stationbus
- Take the taxi from Camp Verde Chevron Station to Prescott (PRC)taxi
- Fly from Prescott (PRC) to Denver (DEN)plane PRC - DEN
- Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus
6h 20mBus
- Take the bus from Flagstaff Bus Station to Albuquerque Bus Stationbus
- Take the bus from Albuquerque Bus Station to Denver Union Stationbus
- Take the bus from Union Station Gate B17 to Broadway & Euclid Avebus Ff1 / ...
17h 18m
Flagstaff (FLG) to Denver (DEN) flights
Comparing Your Travel Options
The cheapest way to get from Flagstaff to Boulder is to drive which costs $120 - $180 and takes 12h 53m.
The fastest way to get from Flagstaff to Boulder is to drive which takes 12h 53m and costs $120 - $180.
No, there is no direct bus from Flagstaff station to Boulder. However, there are services departing from Flagstaff Bus Station and arriving at Broadway & Euclid Ave via Albuquerque Bus Station and Union Station Gate B17. The journey, including transfers, takes approximately 17h 18m.
The distance between Flagstaff and Boulder is 556 miles. The road distance is 659.8 miles.
The best way to get from Flagstaff to Boulder without a car is to train and bus via Albuquerque which takes 16h 30m and costs .
It takes approximately 5h 34m to get from Flagstaff to Boulder, including transfers.
Flagstaff to Boulder bus services, operated by Greyhound USA, depart from Flagstaff Bus Station.
Flagstaff to Boulder bus services, operated by Greyhound USA, arrive at Albuquerque Bus Station.
Boulder is 1h ahead of Flagstaff. It is currently 6:55 PM in Flagstaff and 7:55 PM in Boulder.
Yes, the driving distance between Flagstaff to Boulder is 660 miles. It takes approximately 12h 53m to drive from Flagstaff to Boulder.
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.
- Website
- southwest.com
Flights from Phoenix to Denver
- Ave. Duration
- 1h 45m
- When
- Every day
- Estimated price
- $55–330
Rome2Rio's guide to Amtrak
Contact DetailsContact Details
- Phone
- +1 800-872-7245
- Website
- Amtrak
Train from Flagstaff to Albuquerque Alvarado Transportation Center
- Ave. Duration
- 5h 53m
- Frequency
- Once daily
- Estimated price
- $80–200
- Website
- Amtrak
Train from Flagstaff to Las Vegas Amtrak Station
- Ave. Duration
- 9h 36m
- Frequency
- Once daily
- Estimated price
- $110–280
- Website
- Amtrak
- Phone
- +44 1743 612002
- [email protected]
- Website
- Regional Transport
Bus from Denver Airport Station Gate 8 to Downtown Boulder Station
- Ave. Duration
- 1h 6m
- Frequency
- Hourly
- Website
- Regional Transport
Bus from Union Station Gate B17 to Downtown Boulder Station
- Ave. Duration
- 56 min
- Frequency
- Every 20 minutes
- Website
- Regional Transport
Bus from Union Station Gate B17 to Broadway & Regent Dr
- Ave. Duration
- 45 min
- Frequency
- Every 20 minutes
- Website
- Regional Transport
Bus from Denver Airport Station Gate 8 to Downtown Boulder Station
- Ave. Duration
- 1h 6m
- Frequency
- Hourly
- Website
- Regional Transport
Bus from Denver Airport Station Gate 8 to Downtown Boulder Station
- Ave. Duration
- 1h 6m
- Frequency
- Hourly
- Website
- Regional Transport
Bus from Union Station Gate B17 to Broadway & Euclid Ave
- Ave. Duration
- 47 min
- Frequency
- Every 20 minutes
- Website
- Regional Transport
Want to know more about travelling around United States
Rome2Rio's Travel Guide series provide vital information for the global traveller. Filled with useful and timely travel information, the guides answer all the hard questions - such as 'How do I buy a ticket?', 'Should I book online before I travel? ', 'How much should I expect to pay?', 'Do the trains and buses have Wifi?' - to help you get the most out of your next trip.
Related travel guides
Travelling to the US: What do I need to know?
Read the travel guide
Why you should take the train in the US
Read the travel guide
Need to know: Greyhound
Read the travel guide
Booking & Getting There
There are 174+ hotels available in Boulder.






