Drive or Fly: Port Isabel, TX to Austin, 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 BRO–AUS. At 362 miles, driving is the only practical option.

Passengers:

Vehicle:

Drive

Door to Door

6h 51m

Distance

362.9 mi

Total Cost

$116

CO2

147 kg

Cost Breakdown

Diesel$81

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 12m

35m in the air

Air Distance

292 mi

Total Cost

$187

CO2

74 kg

Door-to-Door Timeline

Port Isabel, TX → BRO 27m

Check-in & Security 90m

Flight 35m

Arrival & Baggage 30m

AUS → Austin, TX 10m

Cost Breakdown

Ticket (1 pax @ $132) $132

Rental car (1 day)$55

Airports

Port Isabel, TX BRO — Brownsville South Padre Island International Airport 18 mi, ~27m drive

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

No scheduled flights found

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

+ Saves about 3h 39m 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

At a Glance

	Drive	Fly
Door-to-door time	6h 51m	3h 12m
Total cost (1 person)	$116	$187
Carbon footprint	147 kg CO₂	74 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 13, 2026.

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