Is there a train to St. Louis?

Yes, Amtrak operates the Texas Eagle and Lincoln Service into St. Louis.

How long is the drive?

The drive is approximately 20 hours of pure driving time.

What is the best airport?

St. Louis Lambert International (STL) is the primary airport.

Yes, expect tolls on I-90 through Massachusetts and Indiana.

Is it better to fly or drive?

Flying is significantly faster, while driving is better for sightseeing.

Kennebunk

St. Louis

Flight Driving

Kennebunk to St. Louis

Updated: 28 May 2026

The journey from Kennebunk to St. Louis spans approximately 1,900 km. Most travelers fly from Portland International Jetport (PWM) or Boston Logan (BOS) to St. Louis Lambert International (STL). Driving requires taking I-95 South to I-90 West, then connecting to I-70 West. This cross-country route traverses the industrial heartland of the Midwest. Expect a flight duration of roughly 5 hours with connections. Driving takes approximately 20 hours of pure road time.

Total Distance: 1,900 km driving, 1,650 km air distance.

Fastest Way

Flight from Boston Logan (BOS) to St. Louis (STL) takes 5.5 hours total.

Cheapest Way

Driving is generally cheaper for groups of three or more people.

Compare Kennebunk to St. Louis Routes

	Flight Connecting	Driving Direct
Duration	5 hours 30 mins	20 hours
Avg Price	$350 - $600	$250 - $400 in fuel
Operator	American Airlines	Personal Vehicle
Route	PWM or BOS to STL via hubs like ORD or CLT.	I-95 S to I-90 W to I-70 W.
Tip	Book flights from Boston Logan for more direct connection options to St. Louis.	Plan for overnight stops in Cleveland or Indianapolis to manage fatigue.

Travel Tips

Airport Choice
Boston Logan offers more frequent flights to St. Louis than Portland.
Toll Roads
Prepare for tolls on the Massachusetts Turnpike and the Indiana Toll Road.
Time Zones
You will cross from Eastern Time to Central Time during your journey.
Packing
Pack layers as the Midwest climate can fluctuate significantly compared to coastal Maine.
Car Rental
If flying, rent a car at STL to easily navigate the sprawling St. Louis metro area.

Safety Tips

Winter Driving
Avoid I-90 during heavy snowstorms in the Great Lakes region.
Vehicle Check
Ensure your tires and fluids are serviced before a 20-hour drive.
Urban Awareness
Stay in well-lit, populated areas when stopping in major cities along the route.
Emergency Kit
Keep a roadside emergency kit with water, blankets, and a flashlight in your trunk.