Drive or Fly: Lone Star, TX to San Antonio, 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–SAT. At 147 miles, driving is the only practical option.

Passengers:

Vehicle:

Find Your Vehicle (EPA fuel economy data)

Drive

Door to Door

2h 48m

Distance

147.6 mi

Total Cost

$68

CO2

60 kg

Cost Breakdown

Diesel$33

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

15m in the air

Air Distance

125 mi

Total Cost

$125

CO2

32 kg

Door-to-Door Timeline

Lone Star, TX → GRK 12m

Check-in & Security 90m

Flight 15m

Arrival & Baggage 30m

SAT → San Antonio, TX 12m

Cost Breakdown

Ticket (1 pax @ $125) $125

Airports

Lone Star, TX GRK — Killeen Regional Airport / Robert Gray Army Airfield 8 mi, ~12m drive

San Antonio, TX SAT — San Antonio International Airport 8 mi, ~12m drive

No scheduled flights found

No commercial flights between GRK and SAT. 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

4h 15m

3h 30m on road

Total Cost

$14

CO2

7 kg

Route

Greyhound US1159S

Door-to-Door Timeline

Lone Star, TX → Killeen (KLE6) 10m

Boarding 15m

Bus ride 210m

Arrival 10m

San Antonio Bus Station (SNT6) → San Antonio, TX 10m

Cost Breakdown

Ticket (1 pax @ $14) $14

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

Stations

From KLE6 — Killeen 2 mi, ~10m drive

To SNT6 — San Antonio Bus Station 0 mi, ~10m 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	2h 48m	2h 39m	4h 15m
Total cost (1 person)	$68	$125	$14
Carbon footprint	60 kg CO₂	32 kg CO₂	7 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 16, 2026.

Route Options

2 different routes between these cities.

Fastest

147.6 mi 2h 47m

via I 35, I 35; US 290, TX 195

Alternative (+1 min)

164.1 mi 2h 49m

via TX 130 Toll, TX 195, I 10; US 90; TX 130

Decided to drive? See the full trip plan from Lone Star, TX to San Antonio, TX with stops, fuel costs, and turn-by-turn directions.