Drive or Fly: Mehlville, MO to Florissant, MO?

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 STL–STL. At 29 miles, driving is the only practical option.

Passengers:

Vehicle:

Find Your Vehicle (EPA fuel economy data)

Drive

Door to Door

40m

Distance

29.2 mi

Total Cost

$41

CO2

12 kg

Cost Breakdown

Diesel$6

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

2h 37m

2m in the air

Air Distance

19 mi

Total Cost

$121

CO2

5 kg

Door-to-Door Timeline

Mehlville, MO → STL 25m

Check-in & Security 90m

Flight 2m

Arrival & Baggage 30m

STL → Florissant, MO 10m

Cost Breakdown

Ticket (1 pax @ $121) $121

Airports

Mehlville, MO STL — St. Louis Lambert International Airport 17 mi, ~25m drive

Florissant, MO STL — St. Louis Lambert International Airport 4 mi, ~10m drive

No scheduled flights found

No commercial flights between STL and STL. 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

− Luggage fees and restrictions

− Less flexibility for stops along the way

Train

Amtrak

Door to Door

2h 59m

1h 50m on rail

Total Cost

CO2

2 kg

Route

Lincoln Service Missouri River Runner

Door-to-Door Timeline

Mehlville, MO → Kirkwood Amtrak Station 10m

Boarding 30m

Train ride 110m

Arrival 10m

Alton Amtrak Station → Florissant, MO 19m

Cost Breakdown

Ticket (1 pax @ $5) $5

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

Stations

From Kirkwood Amtrak Station 7 mi, ~10m drive

To Alton Amtrak Station 13 mi, ~19m drive

Service

Direct

Frequency

~1/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 1 trips per week

− Amtrak delays can be unpredictable

− Need transportation to/from station

− Less flexibility than driving

Bus

FlixBus

Door to Door

1h 15m

25m on road

Total Cost

CO2

1 kg

Route

Greyhound US1210

Door-to-Door Timeline

Mehlville, MO → St Louis Bus Station (SLD6) 15m

Boarding 15m

Bus ride 25m

Arrival 10m

Saint Louis (Lambert Field) (SOL6) → Florissant, MO 10m

Cost Breakdown

Ticket (1 pax @ $1) $1

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

Stations

From SLD6 — St Louis Bus Station 10 mi, ~15m drive

To SOL6 — Saint Louis (Lambert Field) 4 mi, ~10m drive

Service

Direct

Frequency

~8/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

− Limited schedule — about 8 trips per week

− 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	40m	2h 37m	2h 59m	1h 15m
Total cost (1 person)	$41	$121	$5	$1
Carbon footprint	12 kg CO₂	5 kg CO₂	2 kg CO₂	1 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 19, 2026.

Route Options

2 different routes between these cities.

Fastest

29.2 mi 39m

via I 270

Shortest (+0 min)

23.5 mi 40m

via I 170, Laclede Station Road

Decided to drive? See the full trip plan from Mehlville, MO to Florissant, MO with stops, fuel costs, and turn-by-turn directions.