Is there a direct flight?

No, most flights from FCA to BOI require a connection.

How long is the drive?

The drive is approximately 8 hours.

What is the best route?

US-93 to I-84 is the most direct path.

No, there is no practical train service for this route.

Yes, it is generally safe, especially in the downtown and tourist areas.

Kalispell

Boise

Flight Driving

Kalispell to Boise

Updated: 28 May 2026

The journey from Kalispell to Boise covers about 800 kilometers. Flying from Glacier Park International Airport to Boise Airport is the most efficient method, usually involving a connection. Driving takes approximately 8 hours via US-93 and I-84. This route takes you through the beautiful mountains of the Intermountain West. Flying is recommended for efficiency.

Total Distance: 800 km driving, 600 km air distance.

Fastest Way

Flying is the fastest, taking 2 hours including a connection.

Cheapest Way

Driving is the most cost-effective for groups, costing about $110 in fuel.

Compare Kalispell to Boise Routes

	Flight Connecting	Driving Direct
Duration	2 hours	8 hours
Avg Price	$200 - $400	$110 in fuel
Operator	Alaska Airlines	Personal Vehicle
Route	FCA to BOI	US-93 S to I-84 W
Tip	Connections are often in Seattle.	Be prepared for mountain passes in winter.

Travel Tips

Airport Location
BOI is located about 10 minutes from downtown Boise.
Driving Route
I-84 West is the primary route across the mountains.
Time Zones
Boise is in the Mountain Time Zone.
Local Transit
The Valley Regional Transit is very convenient for getting around the city.
Booking
Book flights early to avoid price spikes during peak tourist season.