There are 6 ways to get from Boulder to Flagstaff by bus, plane, train, car, shuttle, 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.
Bus, fly to Flagstaff
best- Take the bus from US 36 & Flatiron Station Gate A to Denver Airport Station Gate 6bus
- Fly from Denver (DEN) to Flagstaff (FLG)plane DEN - FLG
4h 39mDrive 656.8 mi
cheapest- Drive from Boulder to Flagstaffcar 656.8 mi
12h 49m$120–174Bus, train via Albuquerque
- Take the bus from Downtown Boulder Station Gate 1 to Union Stationbus Ff1 / ...
- Take the bus from Denver Union Station to Albuquerque Bus Stationbus
- Take the train from Albuquerque Alvarado Transportation Center to Flagstafftrain
16h 55mBus, train
- Take the bus from Broadway & 20th St to Union Stationbus Ff1 / ...
- Take the bus from Denver to Las Vegas Transportation Centerbus
- Take the train from Las Vegas Amtrak Station to Flagstafftrain
17h 33mBus, fly to Phoenix, shuttle
- Take the bus from US 36 & Flatiron Station Gate A to Denver Airport Station Gate 6bus
- Fly from Denver (DEN) to Phoenix (PHX)plane DEN - PHX
- Take a shuttle bus from Sky Harbor International Airport to Flagstaff Amtrak
7h 20mBus
- Take the bus from Downtown Boulder Station Gate 1 to Union Stationbus Ff1 / ...
- Take the bus from Denver Union Station to Albuquerque Bus Stationbus
- Take the bus from Albuquerque Bus Station to Flagstaff Bus Stationbus
17h
Denver (DEN) to Flagstaff (FLG) flights
Comparing Your Travel Options
The cheapest way to get from Boulder to Flagstaff is to drive which costs $120 - $180 and takes 12h 49m.
The fastest way to get from Boulder to Flagstaff is to drive which takes 12h 49m and costs $120 - $180.
No, there is no direct bus from Boulder station to Flagstaff station. However, there are services departing from Downtown Boulder Station Gate 1 and arriving at Flagstaff Bus Station via Denver Union Station and Albuquerque Bus Station. The journey, including transfers, takes approximately 17h.
The distance between Boulder and Flagstaff is 556 miles. The road distance is 660.6 miles.
The best way to get from Boulder to Flagstaff without a car is to bus and train via Albuquerque which takes 16h 55m and costs .
It takes approximately 4h 39m to get from Boulder to Flagstaff, including transfers.
Boulder to Flagstaff bus services, operated by Regional Transport, depart from Downtown Boulder Station Gate 1.
Boulder to Flagstaff bus services, operated by Regional Transport, arrive at Union Station.
Flagstaff is 1h behind Boulder. It is currently 12:17 AM in Boulder and 11:17 PM in Flagstaff.
Yes, the driving distance between Boulder to Flagstaff is 661 miles. It takes approximately 12h 49m to drive from Boulder to Flagstaff.
What companies run services between Boulder, CO, USA and Flagstaff, AZ, USA?
You can take a bus from Downtown Boulder Station Gate 1 to Flagstaff Bus Station via Union Station, Denver Union Station, and Albuquerque Bus Station in around 17h.
- Website
- southwest.com
Flights from Denver to Phoenix
- Ave. Duration
- 1h 58m
- When
- Every day
- Estimated price
- $60–350
- Website
- aa.com
Flights from Denver to Flagstaff via Phoenix
- Ave. Duration
- 4h 37m
- When
- Every day
- Estimated price
- $70–390
Flights from Denver to Phoenix
- Ave. Duration
- 2h 4m
- When
- Every day
- Estimated price
- $60–350
- Website
- united.com
Flights from Denver to Flagstaff
- Ave. Duration
- 2h
- When
- Every day
- Estimated price
- $55–350
Flights from Denver to Phoenix
- Ave. Duration
- 2h 2m
- When
- Every day
- Estimated price
- $60–350
- Website
- flyfrontier.com
Flights from Denver to Phoenix
- Ave. Duration
- 2h 7m
- When
- Every day
- Estimated price
- $110–180
Rome2Rio's guide to Amtrak
Contact DetailsContact Details
- Phone
- +1 800-872-7245
- Website
- Amtrak
Train from Albuquerque Alvarado Transportation Center to Flagstaff
- Ave. Duration
- 5h 35m
- Frequency
- Once daily
- Estimated price
- $190–300
- Website
- Amtrak
Train from Las Vegas Amtrak Station to Flagstaff
- Ave. Duration
- 9h 32m
- Frequency
- Once daily
- Estimated price
- $260–410
- Website
- Amtrak
- Phone
- +44 1743 612002
- [email protected]
- Website
- Regional Transport
Bus from US 36 & Flatiron Station Gate A to Denver Airport Station Gate 6
- Ave. Duration
- 40 min
- Frequency
- Hourly
- Website
- Regional Transport
Bus from Downtown Boulder Station Gate 1 to Union Station
- Ave. Duration
- 55 min
- Frequency
- Every 30 minutes
- Website
- Regional Transport
Bus from Broadway & 20th St to Union Station
- Ave. Duration
- 45 min
- Frequency
- Hourly
- Website
- Regional Transport
Bus from US 36 & Flatiron Station Gate A to Denver Airport Station Gate 6
- Ave. Duration
- 40 min
- Frequency
- Hourly
- Website
- Regional Transport
Bus from Downtown Boulder Station Gate 1 to Union Station
- Ave. Duration
- 55 min
- Frequency
- Every 30 minutes
- Website
- Regional Transport
Rome2Rio's guide to Greyhound USA
Contact DetailsContact Details
- Phone
- +1 214-849-8100
- [email protected]
- Website
- Greyhound
Bus from Denver Union Station to Albuquerque Bus Station
- Ave. Duration
- 8h 25m
- Frequency
- 5 times a week
- Estimated price
- $80–120
- Website
- Greyhound
Bus from Denver Union Station to Albuquerque Bus Station
- Ave. Duration
- 8h 25m
- Frequency
- 5 times a week
- Estimated price
- $80–120
- Website
- Greyhound
Bus from Albuquerque Bus Station to Flagstaff Bus Station
- Ave. Duration
- 5h 40m
- Frequency
- Twice daily
- Estimated price
- $55–90
- Website
- Greyhound
- Phone
- +1 800-923-1799
- [email protected]
- Website
- Omnibus Express
Bus from Denver to Las Vegas Transportation Center
- Ave. Duration
- 4h 46m
- Frequency
- 4 times a day
- Estimated price
- $70–95
- Schedules at
- Omnibus Express
- Phone
- +1-480-710-3441
- [email protected]
- Website
- Airport Shuttle of Phoenix
Shuttle from Sky Harbor International Airport to Flagstaff Amtrak
- Ave. Duration
- 2h 30m
- Frequency
- On demand
- Estimated price
- $184
- Website
- Airport Shuttle of Phoenix
Want to know more about travelling around United States
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Booking & Getting There
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