Is there a direct flight from STL to PDX?

No, all flights from St. Louis to Portland require at least one connection.

How long does it take to drive?

Expect 32 to 35 hours of driving time spread over 3-4 days.

What is the best way to get around Portland?

The MAX Light Rail and streetcar system are the most efficient ways to travel.

Are there tolls on the way to Portland?

There are minimal tolls on this route, mostly in the Midwest and near major cities.

What is the weather like in Portland?

Expect mild, wet winters and warm, dry summers.

Wentzville

Portland

Flight Driving

Wentzville to Portland

Updated: 28 May 2026

Traveling from Wentzville to Portland is a major cross-country journey covering over 3,200 kilometers. The most common driving route follows I-70 West to I-80 West, eventually connecting to I-84 through the Columbia River Gorge. This drive typically requires three to four days of travel. Alternatively, flying from St. Louis Lambert International Airport (STL) to Portland International Airport (PDX) is the most practical option for time-sensitive travelers. The flight duration is usually 6 to 8 hours with a connection. You will experience the transition from the Midwest plains to the high desert and finally the lush Pacific Northwest.

Total Distance: 3,200 km driving distance; 2,750 km straight-line air distance.

Fastest Way

Flying from STL to PDX takes approximately 7 hours including connection time.

Cheapest Way

Driving is cost-effective for families, but flying is often cheaper for solo travelers.

Compare Wentzville to Portland Routes

	Flight Connecting	Driving Direct
Duration	7 hours	32 hours
Avg Price	$350-$700	$450-$600 in fuel
Operator	Alaska Airlines	Personal Vehicle
Route	STL to PDX via Seattle or Denver.	I-70 to I-80 to I-84 through Nebraska, Wyoming, and Idaho.
Tip	PDX airport is connected to downtown via the MAX Light Rail Red Line.	Plan for overnight stops in cities like Omaha, Cheyenne, and Boise.

Travel Tips

Rain Gear
Portland is famous for its drizzle; carry a waterproof jacket regardless of the season.
Tax-Free Shopping
Oregon has no sales tax, making it an excellent place for shopping.
Public Transit
TriMet operates an extensive bus and light rail system that covers the entire metro area.
Coffee Culture
Portland is a global coffee hub; visit local roasters for a genuine experience.
Cycling
The city is extremely bike-friendly with dedicated lanes throughout the downtown area.

Safety Tips

Road Conditions
Check mountain pass conditions on I-84 during winter before departing.
Urban Safety
Stay aware of your surroundings in downtown areas, especially at night.
Vehicle Security
Never leave valuables visible in your car, especially when parked in public lots.
Emergency Preparedness
Carry a satellite messenger if you plan to hike in remote areas of the Gorge.