Drive or Fly: Kyle, TX to Brownsville, 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–BRO. At 329 miles, driving is the only practical option.

Passengers:

Vehicle:

Find Your Vehicle (EPA fuel economy data)

Drive

Door to Door

5h 55m

Distance

329.7 mi

Total Cost

$108

CO2

133 kg

Cost Breakdown

Diesel$73

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 13m

34m in the air

Air Distance

283 mi

Total Cost

$186

CO2

72 kg

Door-to-Door Timeline

Kyle, TX → AUS 29m

Check-in & Security 90m

Flight 34m

Arrival & Baggage 30m

BRO → Brownsville, TX 10m

Cost Breakdown

Ticket (1 pax @ $131) $131

Rental car (1 day)$55

Airports

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

Brownsville, TX BRO — Brownsville South Padre Island International Airport 5 mi, ~10m drive

No scheduled flights found

No commercial flights between AUS and BRO. Flight estimates above are theoretical.

+ Saves about 2h 42m compared to driving

+ Less physical fatigue

+ Predictable arrival time

− Airport security and check-in overhead

− No scheduled commercial flights found for this route

− May need a rental car at destination

− Luggage fees and restrictions

− Less flexibility for stops along the way

Bus

FlixBus

Door to Door

10h 34m

9h 46m on road

Total Cost

$30

CO2

16 kg

Route

FlixBus US1164

Door-to-Door Timeline

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

Boarding 15m

Bus ride 586m

Arrival 10m

Brownsville Bus Station (BRN6) → Brownsville, TX 10m

Cost Breakdown

Ticket (1 pax @ $30) $30

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

Stations

From SMT6 — San Marcos (CARTS) 9 mi, ~13m drive

To BRN6 — Brownsville 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	5h 55m	3h 13m	10h 34m
Total cost (1 person)	$108	$186	$30
Carbon footprint	133 kg CO₂	72 kg CO₂	16 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 17, 2026.

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