There are 7 ways to get from Calgary to Boulder by plane, bus, car, or train
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Fly Calgary International Airport to Denver, bus
best- Fly from Calgary International Airport (YYC) to Denver (DEN)plane YYC - DEN
- Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus
6h 46m$176–856Fly Calgary International Airport to Cheyenne Airport, drive
cheapest- Fly from Calgary International Airport (YYC) to Cheyenne Airport (CYS)plane YYC - CYS
- Drive from Cheyenne-Airport-CYS to Bouldercar
8h 32m$94–418Bus, drive, train
- Take the bus from Calgary - Deerfoot Inn & Casino* to Lethbridge - U of Lbus
- Drive from Lethbridge - U of L to Port of Sweet Grasscar
- Take the bus from Port of Sweet Grass to Shelby Transit Centerbus
- Take the train from Shelby Amtrak Station to Chicago Union Stationtrain
- Take the train from Chicago Union Station to Denvertrain
- Take the bus from Union Station Gate B17 to Broadway & Regent Drbus Ff1 / ...
2d 7hDrive 1,072.6 mi
- Drive from Calgary to Bouldercar 1,072.6 mi
17h 28m$246–355Drive to Great Falls International Airport, fly to Denver, bus
- Drive from Calgary to Great-Falls-Airport-GTFcar
- Fly from Great Falls International Airport (GTF) to Denver (DEN)plane GTF - DEN
- Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus
8h 58m$150–557Bus, drive, train via St. Louis
- Take the bus from Calgary - Downtown Ticket Office to Lethbridge - U of Lbus
- Drive from Lethbridge - U of L to Port of Sweet Grasscar
- Take the bus from Port of Sweet Grass to Shelby Transit Centerbus
- Take the train from Shelby Amtrak Station to Chicago Union Stationtrain
- Take the train from Chicago Union Station to St. Louistrain
- Take the bus from St Louis Bus Station to Denver Union Stationbus
- Take the bus from Union Station Gate B17 to Broadway & Euclid Avebus Ff1 / ...
2d 11hBus, train
- Take the bus from Calgary, AB - Westbrook Mall to Vancouver, BCbus
- Take the bus from Vancouver to Seattlebus
- Take the bus from Seattle to Redding Bus Stationbus
- Take the train from Redding Amtrak to Sacramentotrain
- Take the train from Sacramento to Denvertrain
- Take the bus from Union Station Gate B17 to Downtown Boulder Stationbus Ff1 / ...
2d 23h$590–1,251
Calgary to Boulder by bus and train
Questions & Answers
The cheapest way to get from Calgary to Boulder is to fly and drive which costs $90 - $420 and takes 8h 32m.
The fastest way to get from Calgary to Boulder is to fly and bus which takes 6h 46m and costs $170 - $900.
The distance between Calgary and Boulder is 960 miles. The road distance is 1078.9 miles.
The best way to get from Calgary to Boulder without a car is to bus and train which takes 2 days 23h and costs $550 - $1,300.
It takes approximately 6h 46m to get from Calgary to Boulder, including transfers.
Yes, the driving distance between Calgary to Boulder is 1079 miles. It takes approximately 17h 28m to drive from Calgary to Boulder.
There are 114+ hotels available in Boulder.
What companies run services between Calgary, AB, Canada and Boulder, CO, USA?
There is no direct connection from Calgary to Boulder. However, you can take the line 300 bus to YYC Airport Domestic Terminal, walk to Calgary International Airport (YYC) airport, fly to Denver (DEN), walk to Denver Airport Station Gate 8, then take the bus to Downtown Boulder Station. Alternatively, you can take a bus from Calgary - Deerfoot Inn & Casino* to Broadway & Regent Dr via Lethbridge - U of L, Port of Sweet Grass, Shelby Transit Center, Shelby Amtrak Station, Chicago Union Station, Denver, and Union Station Gate B17 in around 2d 7h.
- Website
- united.com
Flights from Calgary International Airport to Denver
- Ave. Duration
- 2h 36m
- When
- Every day
- Estimated price
- $85–470
Flights from Calgary International Airport to Cheyenne Airport via Denver
- Ave. Duration
- 6h 39m
- When
- Every day
- Estimated price
- $75–850
Flights from Great Falls International Airport to Denver
- Ave. Duration
- 2h 5m
- When
- Every day
- Estimated price
- $75–450
- Website
- aircanada.com
Flights from Calgary International Airport to Denver
- Ave. Duration
- 2h 36m
- When
- Every day
- Estimated price
- $85–470
Flights from Calgary International Airport to Denver via Vancouver
- Ave. Duration
- 5h 56m
- When
- Every day
- Estimated price
- $130–650
- Website
- delta.com
Flights from Calgary International Airport to Denver
- Ave. Duration
- 2h 35m
- When
- Monday, Wednesday, Friday, and Sunday
- Estimated price
- $150–750
Flights from Great Falls International Airport to Denver via Salt Lake City
- Ave. Duration
- 4h 9m
- When
- Monday, Tuesday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- $95–550
- Website
- westjet.com
Flights from Calgary International Airport to Denver
- Ave. Duration
- 2h 35m
- When
- Monday, Wednesday, Friday, and Sunday
- Estimated price
- $150–750
Rome2Rio's guide to Amtrak
Contact Details
- Phone
- +1 800-872-7245
- Website
- amtrak.com
Train from Shelby Amtrak Station to Chicago Union Station
- Ave. Duration
- 28h 17m
- Frequency
- 3 times a day
- Estimated price
- $410–950
- Website
- https://www.amtrak.com/home.html
Train from Chicago Union Station to Denver
- Ave. Duration
- 18h 56m
- Frequency
- Once daily
- Estimated price
- $290–650
- Website
- https://www.amtrak.com/home.html
Train from Chicago Union Station to St. Louis
- Ave. Duration
- 4h 46m
- Frequency
- 5 times a day
- Estimated price
- $80–180
- Website
- https://www.amtrak.com/home.html
Train from Redding Amtrak to Sacramento
- Ave. Duration
- 3h 57m
- Frequency
- Once daily
- Estimated price
- $45–100
- Website
- https://www.amtrak.com/home.html
Train from Sacramento to Denver
- Ave. Duration
- 31h 4m
- Frequency
- Once daily
- Estimated price
- $360–800
- Website
- https://www.amtrak.com/home.html
- Phone
- +1 303-299-6000
- Website
- rtd-denver.com
Bus from Denver Airport Station Gate 8 to Downtown Boulder Station
- Ave. Duration
- 1h 7m
- Frequency
- Hourly
- Estimated price
- $3
- Website
- https://www.rtd-denver.com/
- Adult
- $3
Bus from Union Station Gate B17 to Broadway & Regent Dr
- Ave. Duration
- 45 min
- Frequency
- Every 20 minutes
- Estimated price
- $3
- Website
- https://www.rtd-denver.com/
- Adult
- $3
Bus from Union Station Gate B17 to Broadway & Euclid Ave
- Ave. Duration
- 47 min
- Frequency
- Every 20 minutes
- Estimated price
- $3
- Website
- https://www.rtd-denver.com/
- Adult
- $3
Bus from Union Station Gate B17 to Downtown Boulder Station
- Ave. Duration
- 56 min
- Frequency
- Every 20 minutes
- Estimated price
- $3
- Website
- https://www.rtd-denver.com/
- Adult
- $3
- Phone
- +1 877 769 3287
- customerservice@myebus.ca
- Website
- myebus.ca
Bus from Calgary - Deerfoot Inn & Casino* to Lethbridge - U of L
- Ave. Duration
- 2h 20m
- Frequency
- 6 times a week
- Website
- https://www.myebus.ca/
Bus from Calgary - Downtown Ticket Office to Lethbridge - U of L
- Ave. Duration
- 2h 30m
- Frequency
- 6 times a week
- Website
- https://www.myebus.ca/
- Phone
- +1 406-470-0727
- tctransit@gmail.com
- Website
- northern.rural-transit.com
Bus from Port of Sweet Grass to Shelby Transit Center
- Ave. Duration
- 45 min
- Frequency
- Once daily
- Schedules at
- northern.rural-transit.com
Rome2Rio's guide to Greyhound USA
Contact Details
- Phone
- +1 214-849-8100
- ifsr@greyhound.com
- Website
- greyhound.com
Bus from St Louis Bus Station to Denver Union Station
- Ave. Duration
- 17h 15m
- Frequency
- Once daily
- Estimated price
- $150–290
- Website
- https://www.greyhound.com/
- Phone
- +1 833 583 3636
- contact@riderexpress.ca
- Website
- riderexpress.ca
Bus from Calgary, AB - Westbrook Mall to Vancouver, BC
- Ave. Duration
- 13h 35m
- Frequency
- Twice daily
- Estimated price
- $80–180
- Website
- https://riderexpress.ca/
- Standard
- $80–180
- Phone
- +1 (855) 626-8585
- Website
- flixbus.com
Bus from Vancouver to Seattle
- Ave. Duration
- 3h 30m
- Frequency
- 4 times a day
- Estimated price
- $18–35
- Schedules at
- flixbus.com
Bus from Seattle to Redding Bus Station
- Ave. Duration
- 14h 10m
- Frequency
- Once daily
- Estimated price
- $80–140
- Schedules at
- flixbus.com
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.
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