Drive or Fly: Jacksonville, FL to Brownsville, FL?

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 JAX–MIA. At 342 miles, driving is the only practical option.

Passengers:

Vehicle:

Drive

Door to Door

6h 24m

Distance

342.2 mi

Total Cost

$111

CO2

138 kg

Cost Breakdown

Diesel$76

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 6m

39m in the air

Air Distance

323 mi

Total Cost

$188

CO2

82 kg

Door-to-Door Timeline

Jacksonville, FL → JAX 17m

Check-in & Security 90m

Flight 39m

Arrival & Baggage 30m

MIA → Brownsville, FL 10m

Cost Breakdown

Ticket (1 pax @ $133) $133

Rental car (1 day)$55

Airports

Jacksonville, FL JAX — Jacksonville International Airport 11 mi, ~17m drive

Brownsville, FL MIA — Miami International Airport 4 mi, ~10m drive

No scheduled flights found

No commercial flights between JAX and MIA. Flight estimates above are theoretical.

+ Saves about 3h 18m 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

10h 10m

9h 10m on rail

Total Cost

$65

CO2

19 kg

Route

Silver Meteor

Door-to-Door Timeline

Jacksonville, FL → Jacksonville 10m

Boarding 30m

Train ride 550m

Arrival 10m

Miami Amtrak Station → Brownsville, FL 10m

Cost Breakdown

Ticket (1 pax @ $65) $65

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

Stations

From Jacksonville 5 mi, ~10m drive

To Miami Amtrak Station 2 mi, ~10m drive

Service

Direct

Frequency

~8/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 8 trips per week

− Amtrak delays can be unpredictable

− Need transportation to/from station

− Less flexibility than driving

Bus

FlixBus

Door to Door

9h 45m

9h on road

Total Cost

$36

CO2

19 kg

Route

FlixBus 2431

Door-to-Door Timeline

Jacksonville, FL → Jacksonville (Downtown) (JAX6) 10m

Boarding 15m

Bus ride 540m

Arrival 10m

Miami Intermodal Center (MID6) → Brownsville, FL 10m

Cost Breakdown

Ticket (1 pax @ $36) $36

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

Stations

From JAX6 — Jacksonville (Downtown) 1 mi, ~10m drive

To MID6 — Miami Intermodal Center 2 mi, ~10m drive

Service

Direct

Frequency

~14/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	6h 24m	3h 6m	10h 10m	9h 45m
Total cost (1 person)	$111	$188	$65	$36
Carbon footprint	138 kg CO₂	82 kg CO₂	19 kg CO₂	19 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 12, 2026.

Decided to drive? See the full trip plan from Jacksonville, FL to Brownsville, FL with stops, fuel costs, and turn-by-turn directions.