There are 3 ways to get from Boulder to St. Louis by bus, plane, bus (Greyhound), or car
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
best- Take the bus from US 36 & Flatiron Station Gate A to Denver Airport Station Gate 6
- Fly from Denver (DEN) to Lambert–St. Louis International Airport (STL)DEN - STL
5h 6m$129–709Bus
cheapest- Take the bus from Broadway & 20th St to Union StationFf1 / ...
- Take the bus from Denver Union Station to St Louis Bus StationGreyhound US1200
18h 15m$93–223Drive 867.1 mi
- Drive from Boulder to St. Louis867.1 mi
13h 41m$159–229
Boulder to St. Louis by bus
Questions & Answers
The cheapest way to get from Boulder to St. Louis is to bus which costs $90 - $230 and takes 18h 15m.
The fastest way to get from Boulder to St. Louis is to bus and fly which takes 5h 6m and costs $120 - $750.
No, there is no direct bus from Boulder to St. Louis station. However, there are services departing from Broadway & 20th St and arriving at St Louis Bus Station via Denver Union Station. The journey, including transfers, takes approximately 18h 15m.
The distance between Boulder and St. Louis is 831 miles. The road distance is 872.2 miles.
The best way to get from Boulder to St. Louis without a car is to bus which takes 18h 15m and costs $90 - $230.
It takes approximately 5h 6m to get from Boulder to St. Louis, including transfers.
Boulder to St. Louis bus services, operated by Regional Transportation District, depart from Broadway & 20th St station.
Boulder to St. Louis bus services, operated by Regional Transportation District, arrive at Union Station.
St. Louis is 1h ahead of Boulder. It is currently 9:02 PM in Boulder and 10:02 PM in St. Louis.
Yes, the driving distance between Boulder to St. Louis is 872 miles. It takes approximately 13h 41m to drive from Boulder to St. Louis.
What companies run services between Boulder, CO, USA and St. Louis, MO, USA?
You can take a bus from Broadway & 20th St to St Louis Bus Station via Denver Union Station in around 18h 15m.
Transport is disrupted due to the Russia-Ukraine war. Read more
- Website
- southwest.com
Flights from Denver to Lambert–St. Louis International Airport
- Ave. Duration
- 2h 3m
- When
- Every day
- Estimated price
- $120–700
Flights from Denver to Lambert–St. Louis International Airport via Kansas City
- Ave. Duration
- 4h 23m
- When
- Every day
- Estimated price
- $120–700
Flights from Denver to Lambert–St. Louis International Airport via Omaha
- Ave. Duration
- 4h 57m
- When
- Thursday, Friday, and Sunday
- Estimated price
- $130–700
- Website
- united.com
Flights from Denver to Lambert–St. Louis International Airport
- Ave. Duration
- 2h 3m
- When
- Every day
- Estimated price
- $120–700
- Website
- flyfrontier.com
Flights from Denver to Lambert–St. Louis International Airport
- Ave. Duration
- 2h 9m
- When
- Monday, Wednesday, Friday, and Saturday
- Estimated price
- $120–700
- 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 Broadway & 20th St to Union Station
- Ave. Duration
- 45 min
- Frequency
- Hourly
- Estimated price
- $3
- Website
- https://www.rtd-denver.com/
- Adult
- $3
Rome2Rio's guide to Greyhound USA
Contact Details
- Phone
- +1 214-849-8100
- ifsr@greyhound.com
- Website
- greyhound.com
Bus from Denver Union Station to St Louis Bus Station
- Ave. Duration
- 16h 30m
- Frequency
- Once daily
- Estimated price
- $90–220
- Website
- https://www.greyhound.com/
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