Drive or Fly: Sullivan City, TX to Dallas, 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 MFE–DAL. At 521 miles, driving is the only practical option.

Passengers:

Vehicle:

Drive

Door to Door

9h 31m

Distance

521.3 mi

Total Cost

$151

CO2

211 kg

Cost Breakdown

Diesel$116

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

− Driver fatigue on longer stretches

− Wear and tear on vehicle

− Fuel price fluctuations

Plan the drive

Fly

Door to Door

3h 37m

55m in the air

Air Distance

462 mi

Total Cost

$193

CO2

118 kg

Door-to-Door Timeline

Sullivan City, TX → MFE 32m

Check-in & Security 90m

Flight 55m

Arrival & Baggage 30m

DAL → Dallas, TX 10m

Cost Breakdown

Ticket (1 pax @ $138) $138

Rental car (1 day)$55

Airports

Sullivan City, TX MFE — McAllen Miller International Airport 21 mi, ~32m drive

Dallas, TX DAL — Dallas Love Field 5 mi, ~10m drive

No scheduled flights found

No commercial flights between MFE and DAL. Flight estimates above are theoretical.

+ Saves about 5h 54m 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

At a Glance

	Drive	Fly
Door-to-door time	9h 31m	3h 37m
Total cost (1 person)	$151	$193
Carbon footprint	211 kg CO₂	118 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

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 13, 2026.

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