Drive or Fly: New Braunfels, 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 SAT–BRO. At 302 miles, driving is the only practical option.

Passengers:

Vehicle:

Drive

Door to Door

5h 27m

Distance

302.7 mi

Total Cost

$102

CO2

122 kg

Cost Breakdown

Diesel$67

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 18m

32m in the air

Air Distance

265 mi

Total Cost

$186

CO2

68 kg

Door-to-Door Timeline

New Braunfels, TX → SAT 36m

Check-in & Security 90m

Flight 32m

Arrival & Baggage 30m

BRO → Brownsville, TX 10m

Cost Breakdown

Ticket (1 pax @ $131) $131

Rental car (1 day)$55

Airports

New Braunfels, TX SAT — San Antonio International Airport 24 mi, ~36m drive

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

No scheduled flights found

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

+ Saves about 2h 9m 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 45m

9h 46m on road

Total Cost

$30

CO2

16 kg

Route

FlixBus US1164

Door-to-Door Timeline

New Braunfels, TX → San Marcos (CARTS) (SMT6) 24m

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) 16 mi, ~24m 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 27m	3h 18m	10h 45m
Total cost (1 person)	$102	$186	$30
Carbon footprint	122 kg CO₂	68 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 13, 2026.

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