Drive or Fly: Houston, TX to Mercedes, TX?

Side-by-side comparison of driving versus flying for this route. Costs, time, and trade-offs at a glance.

Driving wins

Medium

Short enough to drive comfortably in a day. Airport overhead makes flying slower door-to-door. Available flights require a connection, adding time and cost.

Passengers:

Vehicle:

Find Your Vehicle (EPA fuel economy data)

Drive

Door to Door

6h 29m

Distance

340.2 mi

Total Cost

$99

CO2

137 kg

Cost Breakdown

Diesel$64

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

35m in the air

Air Distance

294 mi

Total Cost

$187

CO2

75 kg

Door-to-Door Timeline

Houston, TX → HOU 15m

Check-in & Security 90m

Flight 35m

Arrival & Baggage 30m

HRL → Mercedes, TX 26m

Cost Breakdown

Ticket (1 pax @ $132) $132

Rental car (1 day)$55

Airports

Houston, TX HOU — William P. Hobby Airport 10 mi, ~15m drive

Mercedes, TX HRL — Valley International Airport 17 mi, ~26m drive

Flight Data

Service

Connecting only

On-Time

100.0%

+ Saves about 3h 13m compared to driving

+ Less physical fatigue

+ Predictable arrival time

− Airport security and check-in overhead

− 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	6h 29m	3h 16m
Total cost (1 person)	$99	$187
Carbon footprint	137 kg CO₂	75 kg CO₂
Flexibility	High	Low
Luggage	Unlimited	Restricted
Reliability	Weather dependent	100% on-time

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 Jul 20, 2026.

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