There are 3 ways to get from Boulder to Saint Charles 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 6bus
- Fly from Denver (DEN) to Lambert–St. Louis International Airport (STL)plane DEN - STL
5h 42mDrive 847.4 mi
cheapest- Drive from Boulder to Saint Charlescar 847.4 mi
13h 21m$155–224Bus
- Take the bus from Downtown Boulder Station Gate 1 to Union Stationbus Ff1 / ...
- Take the bus from Denver Union Station to St Louis Bus Stationbus Greyhound US1200 / ...
20h 47m
Denver (DEN) to Lambert–St. Louis International Airport (STL) flights
Comparing Your Travel Options
The cheapest way to get from Boulder to Saint Charles is to drive which costs $150 - $230 and takes 13h 21m.
The fastest way to get from Boulder to Saint Charles is to drive which takes 13h 21m and costs $150 - $230.
No, there is no direct bus from Boulder station to Saint Charles. However, there are services departing from Downtown Boulder Station Gate 1 and arriving at 4375 Rider Trail North Sb via Denver Union Station, Civic Center Transit Center and North Hanley Transit Center. The journey, including transfers, takes approximately 20h 47m.
The distance between Boulder and Saint Charles is 837 miles. The road distance is 852.3 miles.
The best way to get from Boulder to Saint Charles without a car is to bus which takes 20h 47m and costs .
It takes approximately 5h 42m to get from Boulder to Saint Charles, including transfers.
Boulder to Saint Charles bus services, operated by Regional Transport, depart from Downtown Boulder Station Gate 1.
Boulder to Saint Charles bus services, operated by Regional Transport, arrive at Union Station.
Saint Charles is 1h ahead of Boulder. It is currently 5:41 AM in Boulder and 6:41 AM in Saint Charles.
Yes, the driving distance between Boulder to Saint Charles is 852 miles. It takes approximately 13h 21m to drive from Boulder to Saint Charles.
What companies run services between Boulder, CO, USA and Saint Charles, MO, USA?
You can take a bus from Downtown Boulder Station Gate 1 to Saint Charles via Union Station, Denver Union Station, St Louis Bus Station, Civic Center Transit Center, North Hanley Transit Center, and 4375 Rider Trail North Sb in around 20h 47m.
- Website
- southwest.com
Flights from Denver to Lambert–St. Louis International Airport
- Ave. Duration
- 2h
- When
- Every day
- Estimated price
- $100–550
Flights from Denver to Lambert–St. Louis International Airport via Kansas City
- Ave. Duration
- 4h
- When
- Tuesday and Wednesday
- Estimated price
- $100–550
- Website
- united.com
Flights from Denver to Lambert–St. Louis International Airport
- Ave. Duration
- 2h 4m
- When
- Every day
- Estimated price
- $100–550
- Website
- flyfrontier.com
Flights from Denver to Lambert–St. Louis International Airport
- Ave. Duration
- 2h 2m
- When
- Monday, Wednesday, Friday, and Saturday
- Estimated price
- $140–490
- 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
Rome2Rio's guide to Greyhound USA
Contact DetailsContact Details
- Phone
- +1 214-849-8100
- [email protected]
- Website
- Greyhound
Bus from Denver Union Station to St Louis Bus Station
- Ave. Duration
- 16h 45m
- Frequency
- Twice daily
- Estimated price
- $150–230
- Website
- Greyhound
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Booking & Getting There
There are 235+ hotels available in Saint Charles.