Drive or Fly: Heath, 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 DAL–SAT. At 295 miles, driving is the only practical option.

Passengers:

Vehicle:

Find Your Vehicle (EPA fuel economy data)

Drive

Door to Door

5h 20m

Distance

295.7 mi

Total Cost

$100

CO2

119 kg

Cost Breakdown

Diesel$65

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

3h 16m

32m in the air

Air Distance

264 mi

Total Cost

$186

CO2

67 kg

Door-to-Door Timeline

Heath, TX → DAL 32m

Check-in & Security 90m

Flight 32m

Arrival & Baggage 30m

SAT → San Antonio, TX 12m

Cost Breakdown

Ticket (1 pax @ $131) $131

Rental car (1 day)$55

Airports

Heath, TX DAL — Dallas Love Field 22 mi, ~32m drive

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

No scheduled flights found

No commercial flights between DAL and SAT. 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

Train

Amtrak

Door to Door

11h 48m

10h 8m on rail

Total Cost

$50

CO2

17 kg

Route

Texas Eagle

Door-to-Door Timeline

Heath, TX → Dallas 30m

Boarding 30m

Train ride 608m

Arrival 10m

San Antonio Amtrak Station → San Antonio, TX 30m

Cost Breakdown

Ticket (1 pax @ $50) $50

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

Stations

From Dallas 0 mi, ~30m drive

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

Service

Direct

Frequency

~6/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 6 trips per week

− Amtrak delays can be unpredictable

− Need transportation to/from station

− Less flexibility than driving

Bus

FlixBus

Door to Door

7h 13m

5h 48m on road

Total Cost

$28

CO2

17 kg

Door-to-Door Timeline

Heath, TX → Downtown Dallas / Deep Ellum (2DA) 30m

Boarding 15m

Bus ride 348m

Arrival 10m

San Antonio Bus Station (SNT6) → San Antonio, TX 30m

Cost Breakdown

Ticket (1 pax @ $28) $28

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

Stations

From 2DA — Downtown Dallas / Deep Ellum 0 mi, ~30m drive

To SNT6 — San Antonio Bus Station 0 mi, ~30m drive

Service

Direct

Frequency

~28/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

− Travel time longer than driving

− Need transportation to/from station

− Less flexibility than driving

At a Glance

	Drive	Fly	Train	Bus
Door-to-door time	5h 20m	3h 16m	11h 48m	7h 13m
Total cost (1 person)	$100	$186	$50	$28
Carbon footprint	119 kg CO₂	67 kg CO₂	17 kg CO₂	17 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, 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 17, 2026.

Route Options

2 different routes between these cities.

Fastest

295.7 mi 5h 20m

via I 35, I 35E, I 35; US 290

Alternative (+49 min)

312.3 mi 6h 9m

via US 281, US 67, US 281 Bus

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