Drive or Fly: Austin, TX to Kyle, 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–AUS. At 21 miles, driving is the only practical option.

Passengers:

Vehicle:

Drive

Door to Door

27m

Distance

21.8 mi

Total Cost

$40

CO2

9 kg

Cost Breakdown

Diesel$5

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 41m

2m in the air

Air Distance

21 mi

Total Cost

$121

CO2

5 kg

Door-to-Door Timeline

Austin, TX → AUS 10m

Check-in & Security 90m

Flight 2m

Arrival & Baggage 30m

AUS → Kyle, TX 29m

Cost Breakdown

Ticket (1 pax @ $121) $121

Airports

Austin, TX AUS — Austin Bergstrom International Airport 7 mi, ~10m drive

Kyle, TX AUS — Austin Bergstrom International Airport 19 mi, ~29m drive

No scheduled flights found

No commercial flights between AUS 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

Train

Amtrak

Door to Door

1h 49m

46m on rail

Total Cost

CO2

2 kg

Route

Texas Eagle

Door-to-Door Timeline

Austin, TX → Austin 10m

Boarding 30m

Train ride 46m

Arrival 10m

San Marcos Amtrak → Kyle, TX 13m

Cost Breakdown

Ticket (1 pax @ $6) $6

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

Stations

From Austin 1 mi, ~10m drive

To San Marcos Amtrak 9 mi, ~13m 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

1h 41m

53m on road

Total Cost

CO2

2 kg

Route

FlixBus 2230

Door-to-Door Timeline

Austin, TX → Downtown Austin (9th St) (2AS) 10m

Boarding 15m

Bus ride 53m

Arrival 10m

San Marcos (CARTS) (SMT6) → Kyle, TX 13m

Cost Breakdown

Ticket (1 pax @ $3) $3

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

Stations

From 2AS — Downtown Austin (9th St) 1 mi, ~10m drive

To SMT6 — San Marcos (CARTS) 9 mi, ~13m 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	27m	2h 41m	1h 49m	1h 41m
Total cost (1 person)	$40	$121	$6	$3
Carbon footprint	9 kg CO₂	5 kg CO₂	2 kg CO₂	2 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 Austin, TX to Kyle, TX with stops, fuel costs, and turn-by-turn directions.