Drive or Fly: St. Louis, MO to Affton, 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 10 miles, driving is the only practical option.

Passengers:

Vehicle:

Find Your Vehicle (EPA fuel economy data)

Drive

Door to Door

19m

Distance

10.9 mi

Total Cost

$37

CO2

4 kg

Cost Breakdown

Diesel$2

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 41m

1m in the air

Air Distance

9 mi

Total Cost

$120

CO2

2 kg

Door-to-Door Timeline

St. Louis, MO → STL 19m

Check-in & Security 90m

Flight 1m

Arrival & Baggage 30m

STL → Affton, MO 21m

Cost Breakdown

Ticket (1 pax @ $120) $120

Airports

St. Louis, MO STL — St. Louis Lambert International Airport 13 mi, ~19m drive

Affton, MO STL — St. Louis Lambert International Airport 14 mi, ~21m 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

1h 29m

29m on rail

Total Cost

CO2

1 kg

Route

Missouri River Runner

Door-to-Door Timeline

St. Louis, MO → St. Louis 10m

Boarding 30m

Train ride 29m

Arrival 10m

Kirkwood Amtrak Station → Affton, MO 10m

Cost Breakdown

Ticket (1 pax @ $2) $2

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

Stations

From St. Louis 0 mi, ~10m drive

To Kirkwood Amtrak Station 4 mi, ~10m 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

At a Glance

	Drive	Fly	Train
Door-to-door time	19m	2h 41m	1h 29m
Total cost (1 person)	$37	$120	$2
Carbon footprint	4 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 — 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 14, 2026.

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