Drive or Fly: Marfa, 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

Medium

No scheduled commercial flights found for CNM–SAT. At 404 miles, driving is the only practical option.

Passengers:

Vehicle:

Find Your Vehicle (EPA fuel economy data)

Drive

Door to Door

6h 44m

Distance

404 mi

Total Cost

$124

CO2

163 kg

Cost Breakdown

Diesel$89

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

− Driver fatigue on longer stretches

− Wear and tear on vehicle

− Fuel price fluctuations

Plan the drive

Fly

Door to Door

6h 23m

40m in the air

Air Distance

337 mi

Total Cost

$188

CO2

86 kg

Door-to-Door Timeline

Marfa, TX → CNM 211m

Check-in & Security 90m

Flight 40m

Arrival & Baggage 30m

SAT → San Antonio, TX 12m

Cost Breakdown

Ticket (1 pax @ $133) $133

Rental car (1 day)$55

Airports

Marfa, TX CNM — Cavern City Air Terminal 141 mi, ~211m drive

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

No scheduled flights found

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

+ 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

Train

Amtrak

Door to Door

9h 45m

8h 5m on rail

Total Cost

$63

CO2

23 kg

Route

Texas Eagle

Door-to-Door Timeline

Marfa, TX → Alpine Amtrak Station 30m

Boarding 30m

Train ride 485m

Arrival 10m

San Antonio Amtrak Station → San Antonio, TX 30m

Cost Breakdown

Ticket (1 pax @ $63) $63

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

Stations

From Alpine Amtrak Station 0 mi, ~30m drive

To San Antonio Amtrak Station 0 mi, ~30m drive

Service

Direct

Frequency

~4/week

+ Spacious seating with legroom and power outlets

+ Walk around freely during the trip

+ Scenic views along the route

+ No driving fatigue — relax or work en route

+ Much lower carbon footprint than driving or flying

− Limited schedule — about 4 trips per week

− Amtrak delays can be unpredictable

− Need transportation to/from station

− Less flexibility than driving

At a Glance

	Drive	Fly	Train
Door-to-door time	6h 44m	6h 23m	9h 45m
Total cost (1 person)	$124	$188	$63
Carbon footprint	163 kg CO₂	86 kg CO₂	23 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: Amtrak 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 21, 2026.

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