There are 7 ways to get from Boulder to Flagstaff by bus, plane, bus (Greyhound), train, car, or shuttle
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Bus to Denver, 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
7h 32m$83–471Bus
- Take the bus from Downtown Boulder Station Gate 1 to Union Stationbus Ff1 / ...
- Take the bus from Denver to ABQ Alvarado Transportation Centerbus
- Take the bus from Albuquerque Bus Station to Flagstaff Bus Stationbus
16h 20m$131–176Bus, 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 25m$121–266Drive 656.7 mi
- Drive from Boulder to Flagstaffcar 656.7 mi
12h 49m$120–174Bus to Denver, 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 22m$370–840Bus, bus to Colorado Springs Airport, fly to Phoenix, shuttle
- Take the bus from US 36 & Flatiron Station Gate A to Denver Airport Station Gate 6bus
- Take the bus from Denver International Airport to Colorado Springs Airportbus
- Fly from Colorado Springs Airport (COS) to Phoenix (PHX)plane COS - PHX
- Take a shuttle bus from Sky Harbor International Airport to Flagstaff Amtrak
10h 13m$340–950Bus, 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
17h 30m$93–233
Boulder to Flagstaff by bus and foot
Questions & Answers
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 bus and fly and shuttle which takes 7h 22m and costs $370 - $850.
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 11th St & Auraria Pkwy, Denver and Albuquerque Bus Station. The journey, including transfers, takes approximately 16h 20m.
The distance between Boulder and Flagstaff is 555 miles. The road distance is 660.6 miles.
The best way to get from Boulder to Flagstaff without a car is to bus which takes 16h 20m and costs $130 - $180.
It takes approximately 7h 32m to get from Boulder to Flagstaff, including transfers.
Boulder to Flagstaff bus services, operated by Regional Transportation District, depart from Downtown Boulder Station Gate 1.
Boulder to Flagstaff bus services, operated by Regional Transportation District, arrive at Union Station.
Yes, the driving distance between Boulder to Flagstaff is 661 miles. It takes approximately 12h 49m to drive from Boulder to Flagstaff.
There are 396+ hotels available in 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, 11th St & Auraria Pkwy, Stout St & 21st St, Denver, ABQ Alvarado Transportation Center, and Albuquerque Bus Station in around 16h 20m.
- Website
- southwest.com
Flights from Denver to Phoenix
- Ave. Duration
- 2h 6m
- When
- Every day
- Estimated price
- $90–550
Flights from Colorado Springs Airport to Phoenix
- Ave. Duration
- 2h
- When
- Every day
- Estimated price
- $110–700
Flights from Colorado Springs Airport to Phoenix via Denver
- Ave. Duration
- 4h 20m
- When
- Every day
- Estimated price
- $120–750
Flights from Colorado Springs Airport to Phoenix via Las Vegas
- Ave. Duration
- 4h 11m
- When
- Every day
- Estimated price
- $140–800
- Website
- united.com
Flights from Denver to Phoenix
- Ave. Duration
- 2h 3m
- When
- Every day
- Estimated price
- $90–550
Flights from Colorado Springs Airport to Phoenix via Denver
- Ave. Duration
- 4h 30m
- When
- Every day
- Estimated price
- $120–750
- Website
- aa.com
Flights from Denver to Flagstaff via Phoenix
- Ave. Duration
- 4h 30m
- When
- Every day
- Estimated price
- $75–430
Flights from Denver to Flagstaff via Dallas/Ft.Worth
- Ave. Duration
- 6h 48m
- When
- Every day
- Estimated price
- $120–600
Flights from Denver to Phoenix
- Ave. Duration
- 2h 5m
- When
- Every day
- Estimated price
- $90–550
- Website
- flyfrontier.com
Flights from Denver to Phoenix
- Ave. Duration
- 2h 11m
- When
- Every day
- Estimated price
- $90–550
Rome2Rio's guide to Amtrak
Contact Details
- Phone
- +1 800-872-7245
- Website
- amtrak.com
Train from Las Vegas Amtrak Station to Flagstaff
- Ave. Duration
- 9h 32m
- Frequency
- Twice daily
- Estimated price
- $45–170
- Website
- https://www.amtrak.com/home.html
- Coach Seat - Advance Purchase
- $45–120
- Coach Seat short notice purchase
- $60–170
- Business - advance purchase
- $80–360
- Business Class
- $130–380
Train from Albuquerque Alvarado Transportation Center to Flagstaff
- Ave. Duration
- 5h 35m
- Frequency
- Twice daily
- Estimated price
- $45–150
- Website
- https://www.amtrak.com/home.html
- Phone
- +1 303-299-6000
- Website
- rtd-denver.com
Bus from US 36 & Flatiron Station Gate A to Denver Airport Station Gate 6
- Ave. Duration
- 40 min
- Frequency
- Hourly
- Estimated price
- $3
- Website
- https://www.rtd-denver.com/
- Adult
- $3
Bus from Downtown Boulder Station Gate 1 to Union Station
- Ave. Duration
- 55 min
- Frequency
- Every 30 minutes
- Estimated price
- $3
- Website
- https://www.rtd-denver.com/
- Adult
- $3
Bus from Broadway & 20th St to Union Station
- Ave. Duration
- 45 min
- Frequency
- Hourly
- Estimated price
- $3
- Website
- https://www.rtd-denver.com/
- Adult
- $3
- Phone
- +1 800-923-1799
- contactus@omexusa.net
- Website
- omnibusexpress.com
Bus from Denver to ABQ Alvarado Transportation Center
- Ave. Duration
- 7h 10m
- Frequency
- Once daily
- Estimated price
- $85–110
- Schedules at
- omnibusexpress.com
Bus from Denver to Las Vegas Transportation Center
- Ave. Duration
- 4h 45m
- Frequency
- 3 times a day
- Estimated price
- $70–90
- Schedules at
- omnibusexpress.com
Rome2Rio's guide to Greyhound USA
Contact Details
- Phone
- +1 214-849-8100
- ifsr@greyhound.com
- Website
- greyhound.com
Bus from Albuquerque Bus Station to Flagstaff Bus Station
- Ave. Duration
- 5h 40m
- Frequency
- Twice daily
- Estimated price
- $40–60
- Website
- https://www.greyhound.com/
Bus from Denver Union Station to Albuquerque Bus Station
- Ave. Duration
- 9h
- Frequency
- 5 times a week
- Estimated price
- $45–80
- Website
- https://www.greyhound.com/
Shuttle from Sky Harbor International Airport to Flagstaff Amtrak
- Ave. Duration
- 2h 30m
- Frequency
- On demand
- Estimated price
- $184
- Website
- https://airportshuttleofphoenix.com
- Phone
- +1 719-687-3456
- Website
- groometransportation.com
Bus from Denver International Airport to Colorado Springs Airport
- Ave. Duration
- 2h 25m
- Frequency
- Hourly
- Estimated price
- $40–60
- Website
- https://groometransportation.com/colorado-springs/
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