Drive or Fly: Boulder, CO to Black Forest, CO?

Side-by-side comparison of driving versus flying for this route. Costs, time, and trade-offs at a glance.

Driving wins

Medium

No scheduled commercial flights found for BJC–COS. At 92 miles, driving is the only practical option.

Passengers:
Vehicle:

Drive

Door to Door

1h 51m

Distance

92.7 mi

Total Cost

$56

CO2

37 kg

Cost Breakdown

Diesel$21
Hotel (1 room, 0 nights) $0
Meals (1 pax, 1 day) $35
+ No luggage restrictions or TSA lines
+ Comfortable one-day drive
+ Stop anywhere along the route
+ Have your own car at the destination
+ Likely faster door-to-door than flying
Wear and tear on vehicle
Fuel price fluctuations
Plan the drive

Fly

Door to Door

2h 47m

9m in the air

Air Distance

76 mi

Total Cost

$123

CO2

19 kg

Door-to-Door Timeline

Boulder, CO → BJC 17m
Check-in & Security 90m
Flight 9m
Arrival & Baggage 30m
COS → Black Forest, CO 21m

Cost Breakdown

Ticket (1 pax @ $123) $123

Airports

Boulder, CO BJC — Rocky Mountain Metropolitan Airport 11 mi, ~17m drive
Black Forest, CO COS — City of Colorado Springs Municipal Airport 14 mi, ~21m drive

No scheduled flights found

No commercial flights between BJC and COS. Flight estimates above are theoretical.

+ Less physical fatigue
+ Predictable arrival time
Airport security and check-in overhead
No scheduled commercial flights found for this route
Luggage fees and restrictions
Less flexibility for stops along the way

Bus

FlixBus

Door to Door

2h 38m

1h 15m on road

Total Cost

$7

CO2

4 kg

Route

Greyhound US1144

Door-to-Door Timeline

Boulder, CO → Denver Union Station Bus Concourse (DEN6) 35m
Boarding 15m
Bus ride 75m
Arrival 10m
Colorado Springs Tejon Park-N-Ride (CSP6) → Black Forest, CO 23m

Cost Breakdown

Ticket (1 pax @ $7) $7

Estimated based on distance. Check flixbus.com for current prices.

Stations

From DEN6 — Denver Union Station Bus Concourse 23 mi, ~35m drive
To CSP6 — Colorado Springs Tejon Park-N-Ride 15 mi, ~23m drive

Service

Direct

Frequency

~7/week

+ Usually the cheapest option
+ Wi-Fi and power outlets on board
+ No driving fatigue — relax or work en route
+ Much lower carbon footprint than driving or flying
Limited schedule — about 7 trips per week
Travel time longer than driving
Need transportation to/from station
Less flexibility than driving

At a Glance

Drive Fly Bus
Door-to-door time 1h 51m 2h 47m 2h 38m
Total cost (1 person) $56 $123 $7
Carbon footprint 37 kg CO2 19 kg CO2 4 kg CO2
Flexibility High Low
Luggage Unlimited Restricted
Reliability Weather dependent Data unavailable
Drive data: OSRM routing, EIA fuel prices
Flight data: Statistical estimate
Airports: OurAirports
Transit: FlixBus GTFS — fares estimated
Confidence: Medium — airports identified, fares estimated

Costs are estimates. Actual flight prices vary by airline, date, and booking time. Drive costs based on OSRM routing, EIA fuel prices. Computed Apr 13, 2026.

Decided to drive? See the full trip plan from Boulder, CO to Black Forest, CO with stops, fuel costs, and turn-by-turn directions.