Is there a direct flight?

No, most flights from Seattle to St. Louis require at least one connection.

How long is the drive?

The drive is approximately 30 hours of road time.

What is the best time to visit?

Spring and Fall offer the most comfortable weather.

Is public transit available?

Yes, the MetroLink serves the airport and major city landmarks.

Some segments of the route through the Midwest may have tolls.

Bellevue

St. Louis

Flight Driving

Bellevue to St. Louis

Updated: 28 May 2026

Traveling from Bellevue to St. Louis involves crossing the heart of the United States. You can fly from SeaTac (SEA) to St. Louis Lambert International (STL), usually requiring a layover in cities like Denver or Chicago. Driving is a long-haul journey of roughly 3,000 km, primarily following I-90 to I-80 and then I-70. This route takes you through the Rocky Mountains and the rolling plains of the Midwest. Expect a travel time of 30 hours by car or 6-8 hours by air.

Total Distance: 3,000 km driving, 2,600 km air distance.

Fastest Way

Connecting flight via Denver or Chicago takes approximately 7 hours total.

Cheapest Way

Driving is cost-effective for families, while budget airlines are cheaper for solo travelers.

Compare Bellevue to St. Louis Routes

	Flight Connecting	Driving Direct
Duration	7 hours	30 hours
Avg Price	$300 - $700	$450 - $800 in fuel
Operator	Southwest Airlines	Personal Vehicle
Route	SEA to STL	I-90 E to I-80 E to I-70 E
Tip	Southwest often offers two free checked bags, which is helpful for long trips.	Plan for at least two overnight stops in cities like Billings and Omaha.

Travel Tips

Airport Transit
The MetroLink light rail connects the airport directly to downtown St. Louis.
Dining
Try the local St. Louis-style pizza, known for its thin crust and Provel cheese.
Weather
St. Louis experiences humid summers; stay hydrated if walking the city.
Navigation
Use a GPS app to navigate the complex highway interchanges near downtown.
Booking
Book flights mid-week to find the lowest fares to STL.

Safety Tips

Driving Safety
Avoid driving through major cities during rush hour to reduce stress.
Vehicle Security
Never leave valuables visible in your car when parked in urban areas.
Weather Alerts
St. Louis is prone to thunderstorms; monitor local news for severe weather.
Walking
Stick to well-populated areas in the downtown district after dark.