Downtown is walkable, but you need a car for the rest of the city.

How long is the flight?

A direct flight from Seattle to Boise is about 1.5 hours.

What is the best time to visit?

Summer and early fall are the best times for outdoor activities.

Are there direct flights?

Yes, several airlines offer direct flights from SEA to BOI.

What is the drive like?

The drive is easy and passes through scenic landscapes.

Shoreline

Boise

Flight Driving

Shoreline to Boise

Updated: 28 May 2026

The journey from Shoreline to Boise covers about 800 km. Flying from SEA to BOI is the fastest, taking 1.5 hours. Driving via I-90 and I-84 takes about 8 hours. You will cross the beautiful landscapes of Eastern Washington and the high desert of Idaho. This route is popular for those visiting the growing capital of Idaho.

Total Distance: Driving distance 800 km, air distance 650 km.

Fastest Way

Flight, 1.5 hours.

Cheapest Way

Driving, if traveling with more than one person.

Compare Shoreline to Boise Routes

	Flight Direct	Driving Direct
Duration	1 hour 30 mins	8 hours
Avg Price	$90 - $250	$120 - $200 in fuel
Operator	Alaska Airlines	Personal Vehicle
Route	SEA to BOI	I-90 E to I-84 E
Tip	Boise Airport is very close to downtown, making it a quick commute.	The drive is straightforward; stop in Kennewick for a break.

Travel Tips

Transit
Boise is best explored by car, though downtown is walkable.
Weather
Boise has four distinct seasons; pack accordingly.
Outdoor Access
The city is close to mountains and rivers; plan for outdoor recreation.
Booking
Book hotels in advance for major events at Boise State University.
Navigation
The city is easy to navigate with a grid system.

Safety Tips

Winter Driving
Mountain passes can be snowy; check road conditions before driving.
Sun Protection
The sun is strong in the high desert; wear sunscreen.
Emergency Kit
Keep water and a first-aid kit in your car.
Wildlife
Be aware of deer on rural roads, especially at dawn and dusk.