Drive or Fly: Karnes City, TX to Arlington, 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–DFW. At 301 miles, driving is the only practical option.

Passengers:

Vehicle:

Find Your Vehicle (EPA fuel economy data)

Drive

Door to Door

5h 25m

Distance

301.9 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

4h 15m

32m in the air

Air Distance

270 mi

Total Cost

$186

CO2

69 kg

Door-to-Door Timeline

Karnes City, TX → SAT 85m

Check-in & Security 90m

Flight 32m

Arrival & Baggage 30m

DFW → Arlington, TX 18m

Cost Breakdown

Ticket (1 pax @ $131) $131

Rental car (1 day)$55

Airports

Karnes City, TX SAT — San Antonio International Airport 56 mi, ~85m drive

Arlington, TX DFW — Dallas Fort Worth International Airport 12 mi, ~18m drive

No scheduled flights found

No commercial flights between SAT and DFW. 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 24m

7h 9m on rail

Total Cost

$48

CO2

14 kg

Route

Texas Eagle

Door-to-Door Timeline

Karnes City, TX → San Antonio Amtrak Station 76m

Boarding 30m

Train ride 429m

Arrival 10m

Fort Worth → Arlington, TX 19m

Cost Breakdown

Ticket (1 pax @ $48) $48

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

Stations

From San Antonio Amtrak Station 51 mi, ~76m drive

To Fort Worth 13 mi, ~19m drive

Service

Direct

Frequency

~9/week

+ Spacious seating with legroom and power outlets

+ Walk around freely during the trip

+ No driving fatigue — relax or work en route

+ Much lower carbon footprint than driving or flying

− Limited schedule — about 9 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	5h 25m	4h 15m	9h 24m
Total cost (1 person)	$102	$186	$48
Carbon footprint	122 kg CO₂	69 kg CO₂	14 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 17, 2026.

Decided to drive? See the full trip plan from Karnes City, TX to Arlington, TX with stops, fuel costs, and turn-by-turn directions.