Drive or Fly: Muenster, TX to San Antonio, 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 DFW–SAT. At 343 miles, driving is the only practical option.
Find Your Vehicle (EPA fuel economy data)
· · Fuel cost: $
Drive
Door to Door
6h 8m
Distance
343.6 mi
Total Cost
$111
CO2
139 kg
Cost Breakdown
Fly
Door to Door
4h 12m
36m in the air
Air Distance
299 mi
Total Cost
$187
CO2
76 kg
Door-to-Door Timeline
Cost Breakdown
Airports
No scheduled flights found
No commercial flights between DFW and SAT. Flight estimates above are theoretical.
At a Glance
| Drive | Fly | |
|---|---|---|
| Door-to-door time | 6h 8m | 4h 12m |
| Total cost (1 person) | $111 | $187 |
| Carbon footprint | 139 kg CO2 | 76 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 18, 2026.
Route Options
2 different routes between these cities.
via I 35, I 35W, I 35; US 290
via US 281, US 67, I 35
Decided to drive? See the full trip plan from Muenster, TX to San Antonio, TX with stops, fuel costs, and turn-by-turn directions.