Drive or Fly: Killeen, TX to Buda, TX?

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 GRK–AUS. At 81 miles, driving is the only practical option.

Passengers:
Vehicle:

Drive

Door to Door

1h 34m

Distance

81.4 mi

Total Cost

$53

CO2

33 kg

Cost Breakdown

Diesel$18
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 39m

9m in the air

Air Distance

72 mi

Total Cost

$123

CO2

18 kg

Door-to-Door Timeline

Killeen, TX → GRK 10m
Check-in & Security 90m
Flight 9m
Arrival & Baggage 30m
AUS → Buda, TX 20m

Cost Breakdown

Ticket (1 pax @ $123) $123

Airports

Killeen, TX GRK — Killeen Regional Airport / Robert Gray Army Airfield 7 mi, ~10m drive
Buda, TX AUS — Austin Bergstrom International Airport 13 mi, ~20m drive

No scheduled flights found

No commercial flights between GRK and AUS. 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

At a Glance

Drive Fly
Door-to-door time 1h 34m 2h 39m
Total cost (1 person) $53 $123
Carbon footprint 33 kg CO2 18 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 12, 2026.

Decided to drive? See the full trip plan from Killeen, TX to Buda, TX with stops, fuel costs, and turn-by-turn directions.