Drive or Fly: San Marcos, TX to Houston, 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 AUS–HOU. At 165 miles, driving is the only practical option.

Passengers:

Vehicle:

Drive

Door to Door

3h 3m

Distance

165.2 mi

Total Cost

$72

CO2

67 kg

Cost Breakdown

Diesel$37

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

3h 15m

19m in the air

Air Distance

155 mi

Total Cost

$126

CO2

39 kg

Door-to-Door Timeline

San Marcos, TX → AUS 41m

Check-in & Security 90m

Flight 19m

Arrival & Baggage 30m

HOU → Houston, TX 15m

Cost Breakdown

Ticket (1 pax @ $126) $126

Airports

San Marcos, TX AUS — Austin Bergstrom International Airport 27 mi, ~41m drive

Houston, TX HOU — William P. Hobby Airport 10 mi, ~15m drive

No scheduled flights found

No commercial flights between AUS and HOU. 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	3h 3m	3h 15m
Total cost (1 person)	$72	$126
Carbon footprint	67 kg CO₂	39 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 San Marcos, TX to Houston, TX with stops, fuel costs, and turn-by-turn directions.