Drive or Fly: San Antonio, 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 276 miles, driving is the only practical option.

Passengers:

Vehicle:

Drive

Door to Door

4h 56m

Distance

276.3 mi

Total Cost

$96

CO2

112 kg

Cost Breakdown

Diesel$61

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 52m

30m in the air

Air Distance

251 mi

Total Cost

$185

CO2

64 kg

Door-to-Door Timeline

San Antonio, TX → SAT 12m

Check-in & Security 90m

Flight 30m

Arrival & Baggage 30m

BRO → Brownsville, TX 10m

Cost Breakdown

Ticket (1 pax @ $130) $130

Rental car (1 day)$55

Airports

San Antonio, TX SAT — San Antonio International Airport 8 mi, ~12m 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 4m 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

6h 25m

5h 40m on road

Total Cost

$28

CO2

15 kg

Route

FlixBus US1166

Door-to-Door Timeline

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

Boarding 15m

Bus ride 340m

Arrival 10m

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

Cost Breakdown

Ticket (1 pax @ $28) $28

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

Stations

From SNT6 — San Antonio Bus Station 0 mi, ~10m 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	4h 56m	2h 52m	6h 25m
Total cost (1 person)	$96	$185	$28
Carbon footprint	112 kg CO₂	64 kg CO₂	15 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 12, 2026.

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