Drive or Fly: Trinidad, CO to Longmont, 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 ALS–BJC. At 233 miles, driving is the only practical option.

Passengers:

Vehicle:

Drive

Door to Door

4h 14m

Distance

233.7 mi

Total Cost

$87

CO2

94 kg

Cost Breakdown

Diesel$52

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

4h 48m

25m in the air

Air Distance

210 mi

Total Cost

$183

CO2

53 kg

Door-to-Door Timeline

Trinidad, CO → ALS 116m

Check-in & Security 90m

Flight 25m

Arrival & Baggage 30m

BJC → Longmont, CO 27m

Cost Breakdown

Ticket (1 pax @ $128) $128

Rental car (1 day)$55

Airports

Trinidad, CO ALS — San Luis Valley Regional Airport/Bergman Field 77 mi, ~116m drive

Longmont, CO BJC — Rocky Mountain Metropolitan Airport 18 mi, ~27m drive

No scheduled flights found

No commercial flights between ALS and BJC. 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

− May need a rental car at destination

− Luggage fees and restrictions

− Less flexibility for stops along the way

At a Glance

	Drive	Fly
Door-to-door time	4h 14m	4h 48m
Total cost (1 person)	$87	$183
Carbon footprint	94 kg CO₂	53 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

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 Trinidad, CO to Longmont, CO with stops, fuel costs, and turn-by-turn directions.