Drive or Fly: Brownsville, TX to Fredericksburg, TX?
Side-by-side comparison of driving versus flying for this route. Costs, time, and trade-offs at a glance.
Driving wins
MediumNo scheduled commercial flights found for BRO–SAT. At 343 miles, driving is the only practical option.
Find Your Vehicle (EPA fuel economy data)
· · Fuel cost: $
Drive
Door to Door
6h 31m
Distance
343.4 mi
Total Cost
$111
CO2
139 kg
Cost Breakdown
Fly
Door to Door
4h 13m
38m in the air
Air Distance
314 mi
Total Cost
$188
CO2
80 kg
Door-to-Door Timeline
Cost Breakdown
Airports
No scheduled flights found
No commercial flights between BRO and SAT. Flight estimates above are theoretical.
At a Glance
| Drive | Fly | |
|---|---|---|
| Door-to-door time | 6h 31m | 4h 13m |
| Total cost (1 person) | $111 | $188 |
| Carbon footprint | 139 kg CO2 | 80 kg CO2 |
| Flexibility | High | Low |
| Luggage | Unlimited | Restricted |
| Reliability | Weather dependent | Data unavailable |
Costs are estimates. Actual flight prices vary by airline, date, and booking time. Drive costs based on OSRM routing, EIA fuel prices. Computed Apr 19, 2026.
Route Options
2 different routes between these cities.
via US 281, I 69E; US 77; US 83, I 10; US 87
via I 37, I 69E; US 77; US 83, I 10; US 87
Decided to drive? See the full trip plan from Brownsville, TX to Fredericksburg, TX with stops, fuel costs, and turn-by-turn directions.