Drive or Fly: Buda, 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 AUS–SAT. At 66 miles, driving is the only practical option.

Passengers:

Vehicle:

Drive

Door to Door

1h 17m

Distance

66.2 mi

Total Cost

$50

CO2

27 kg

Cost Breakdown

Diesel$15

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

7m in the air

Air Distance

60 mi

Total Cost

$122

CO2

15 kg

Door-to-Door Timeline

Buda, TX → AUS 20m

Check-in & Security 90m

Flight 7m

Arrival & Baggage 30m

SAT → San Antonio, TX 12m

Cost Breakdown

Ticket (1 pax @ $122) $122

Airports

Buda, TX AUS — Austin Bergstrom International Airport 13 mi, ~20m drive

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

No scheduled flights found

No commercial flights between AUS 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

Train

Amtrak

Door to Door

4h 35m

3h 24m on rail

Total Cost

$15

CO2

4 kg

Route

Texas Eagle

Door-to-Door Timeline

Buda, TX → Austin 21m

Boarding 30m

Train ride 204m

Arrival 10m

San Antonio Amtrak Station → San Antonio, TX 10m

Cost Breakdown

Ticket (1 pax @ $15) $15

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

Stations

From Austin 14 mi, ~21m drive

To San Antonio Amtrak Station 1 mi, ~10m drive

Service

Direct

Frequency

~10/week

+ Spacious seating with legroom and power outlets

+ Walk around freely during the trip

+ No driving fatigue — relax or work en route

+ Much lower carbon footprint than driving or flying

− Limited schedule — about 10 trips per week

− Amtrak delays can be unpredictable

− Need transportation to/from station

− Less flexibility than driving

Bus

FlixBus

Door to Door

2h 44m

1h 53m on road

Total Cost

CO2

4 kg

Route

FlixBus 2230

Door-to-Door Timeline

Buda, TX → Austin South Congress (2SC) 16m

Boarding 15m

Bus ride 113m

Arrival 10m

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

Cost Breakdown

Ticket (1 pax @ $8) $8

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

Stations

From 2SC — Austin South Congress 11 mi, ~16m drive

To SNT6 — San Antonio Bus Station 0 mi, ~10m drive

Service

Direct

Frequency

~28/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

− Travel time longer than driving

− Need transportation to/from station

− Less flexibility than driving

At a Glance

	Drive	Fly	Train	Bus
Door-to-door time	1h 17m	2h 39m	4h 35m	2h 44m
Total cost (1 person)	$50	$122	$15	$8
Carbon footprint	27 kg CO₂	15 kg CO₂	4 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: Amtrak GTFS, 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 12, 2026.

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