Drive or Fly: Crystal City, MO to Saint Peters, 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 52 miles, driving is the only practical option.

Passengers:

Vehicle:

Drive

Door to Door

1h 7m

Distance

52.6 mi

Total Cost

$47

CO2

21 kg

Cost Breakdown

Diesel$12

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 21m

5m in the air

Air Distance

42 mi

Total Cost

$122

CO2

11 kg

Door-to-Door Timeline

Crystal City, MO → STL 55m

Check-in & Security 90m

Flight 5m

Arrival & Baggage 30m

STL → Saint Peters, MO 21m

Cost Breakdown

Ticket (1 pax @ $122) $122

Airports

Crystal City, MO STL — St. Louis Lambert International Airport 37 mi, ~55m drive

Saint Peters, 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

Bus

FlixBus

Door to Door

1h 56m

25m on road

Total Cost

CO2

1 kg

Route

Greyhound US1210

Door-to-Door Timeline

Crystal City, MO → St Louis Bus Station (SLD6) 44m

Boarding 15m

Bus ride 25m

Arrival 10m

Saint Louis (Lambert Field) (SOL6) → Saint Peters, MO 22m

Cost Breakdown

Ticket (1 pax @ $1) $1

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

Stations

From SLD6 — St Louis Bus Station 29 mi, ~44m drive

To SOL6 — Saint Louis (Lambert Field) 15 mi, ~22m 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	Bus
Door-to-door time	1h 7m	3h 21m	1h 56m
Total cost (1 person)	$47	$122	$1
Carbon footprint	21 kg CO₂	11 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: 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 Crystal City, MO to Saint Peters, MO with stops, fuel costs, and turn-by-turn directions.