Is there a direct flight?

No, most flights from PDX to BUF require at least one connection.

How long is the flight?

Total travel time is usually 8 to 10 hours including layovers.

What is the best route?

I-90 is the most direct route for driving.

Yes, the New York State Thruway has significant tolls.

Yes, Amtrak's Lake Shore Limited serves Buffalo.

Cascade Locks

Buffalo

Flight Driving

Cascade Locks to Buffalo

Updated: 28 May 2026

The route from Cascade Locks to Buffalo covers approximately 4,200 kilometers. You can fly from Portland International Airport (PDX) to Buffalo Niagara International Airport (BUF). Driving involves taking I-84 and I-90 across the northern United States. This journey takes you through the scenic Pacific Northwest, the Great Plains, and the industrial Midwest. Expect varied landscapes and major urban centers along the way.

Total Distance: 4,200 km driving distance; 3,600 km straight-line air distance.

Fastest Way

Flying from PDX to BUF is the fastest method, taking approximately 8 hours.

Cheapest Way

Driving is generally cheaper for families, while budget airlines offer competitive rates for solo travelers.

Compare Cascade Locks to Buffalo Routes

	Flight Connecting	Driving Direct
Duration	8 hours	42 hours
Avg Price	$300 - $600	$500 - $950
Operator	United Airlines	Personal Vehicle
Route	PDX to BUF via Chicago or Newark.	I-84 E to I-90 E.
Tip	BUF is located just 20 minutes from downtown Buffalo by car.	Be prepared for high winds in the Great Plains section of the drive.

Travel Tips

Airport Transit
Use the NFTA bus service from BUF to reach downtown Buffalo affordably.
Roadside Stops
Stop in Cleveland or Erie to break up the long drive on I-90.
Weather Prep
Check for lake-effect snow warnings if traveling through New York in late autumn.
Packing
Pack comfortable walking shoes for exploring Buffalo's diverse neighborhoods.
Navigation
Use a GPS app that provides real-time traffic updates for major cities like Chicago.

Safety Tips

Winter Driving
Avoid I-90 in the Midwest during severe winter storms; check the DOT website for closures.
Rest Stops
Utilize official highway rest areas for safe overnight parking during your drive.
Vehicle Maintenance
Check your tires before starting the long drive across the northern states.
Emergency Contacts
Keep a list of local highway patrol numbers for each state you pass through.