Is St. Louis walkable?

Downtown is walkable, but you will need a car for the suburbs.

What is the best time to visit?

Spring and fall offer the most pleasant temperatures.

Are there direct flights?

Direct flights are rare; most require a layover.

How long is the flight?

Total travel time including layovers is usually 7-9 hours.

The stretch through the Rockies is very scenic.

Leavenworth

St. Louis

Flight Driving

Leavenworth to St. Louis

Updated: 30 May 2026

Traveling from Leavenworth to St. Louis involves crossing the vast expanse of the American West and Midwest. The most practical method is flying from Seattle-Tacoma International Airport to St. Louis Lambert International Airport. Driving is a significant undertaking, covering over 3,000 kilometers via I-90 and I-70. This journey takes you through the Rocky Mountains and the plains of Kansas and Missouri. Expect a multi-day trip if choosing to drive.

Total Distance: 3,050 km driving, 2,600 km air distance.

Fastest Way

Flight from Seattle-Tacoma International Airport is the fastest, taking 7 hours.

Cheapest Way

Driving is cheaper for families, while flights are more efficient for solo travelers.

Compare Leavenworth to St. Louis Routes

	Flight Connecting	Driving Direct
Duration	7 hours	30 hours
Avg Price	$400 - $700	$350 - $500 in fuel
Operator	Southwest Airlines	Personal Vehicle
Route	SEA to STL via major hubs like Denver or Chicago.	I-90 East to I-29 South, then I-70 East.
Tip	Southwest often allows two free checked bags.	Plan for at least three overnight stops.

Travel Tips

Airport Parking
Use off-site parking at SEA to save on daily rates.
Route Planning
Use apps like Waze to avoid construction delays on I-70.
Hydration
Drink plenty of water during the long drive across the dry plains.
Hotel Booking
Book hotels in advance if traveling during peak summer months.
Local Transit
St. Louis has a MetroLink light rail system connecting the airport to downtown.

Safety Tips

Fatigue
Switch drivers every 4 hours to maintain alertness.
Tornado Awareness
If driving in spring, keep a weather radio for tornado alerts in the Midwest.
Vehicle Security
Never leave valuables visible in your car at rest stops.
Emergency Contacts
Keep a list of local highway patrol numbers for each state you cross.