Kalispell (FCA) to Boise (BOI) at a glance

Travelers can choose from a range of airlines offering flights from Kalispell (FCA) to Boise (BOI) on this convenient domestic route. By comparing various options, you can find the best itinerary that aligns with your budget, schedule, and travel plans while discovering the iconic sights and neighborhoods of Boise. Get all the essential information for flights between Kalispell and Boise, including costs and schedules.

• Fastest flight duration: around 3 hours in-flight, plus roughly 1h 15m layover with one stop
• Route distance: roughly 350 miles (565 km)
• Flights per week: around 8 departures on average
• Typical fares (one-way): economy tickets often range from $115–$480, depending on seasonality and how far ahead you book

Flights from Glacier Park International Airport (FCA) to Boise Airport (BOI)

Based on recent traveler bookings, here are the top airlines favored for flights from Kalispell to Boise, particularly those offering one-stop services. Common layovers include Salt Lake City International Airport (SLC) with an average layover of about 1 hour and 30 minutes, Seattle-Tacoma International Airport (SEA) at approximately 1 hour and 15 minutes, and Portland International Airport (PDX) around 1 hour. This variety allows you to balance price, total travel time, and cabin class while crafting the ideal itinerary.

• Alaska Airlines: This full-service airline provides one-stop travel options, with one-way ticket prices usually between $115 and $480. It represents about 51% of flights on this route, featuring an in-flight duration of 3 hours and a comprehensive travel time of approximately 4 hours and 15 minutes, including layover.
• Delta: Offering one-stop service as a full-service carrier, Delta's one-way fares generally range from $120 to $460. It accounts for roughly 47% of departures on this route, with a similar in-flight time of 3 hours and a total journey duration of around 4 hours and 15 minutes, factoring in the layover.

Best time to fly from Kalispell (FCA) to Boise (BOI)

The most popular months for travelers flying from Kalispell to Boise are February, March, and October, when peak temperatures in Boise reach up to 51.8°F in October. If you prefer quieter travel, consider May, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 57.7°F. For better deals, April usually offers the lowest average one-way fare around $181. Flight availability peaks in January, February, March, April, July, August, October, and December, with approximately 8 flights per week, making it easier to find convenient departure times.

• Cheapest time to fly: April usually offers good deals with average one-way fare around $181, roughly 36% cheaper than the yearly average.
• Another budget-friendly time to fly: September typically offers an average one-way fare of around $200.
• Most flight options: January, February, March, April, July, August, October, and December have the highest number of flights from Kalispell to Boise, with approximately 8 flights per week, giving you more flexibility in scheduling your trip.

Month	Temperature	Demand	Weekly Flights	Average one-way Fare
January	29.5°F (-1.4°C)	Average	8	$319
February	33.8°F (1.0°C)	High	8	$337
March	41.7°F (5.4°C)	High	8	$332
April	48.6°F (9.2°C)	Average	8	$181
May	57.7°F (14.3°C)	Low	7	$231
June	67.1°F (19.5°C)	Low	7	$239
July	78.1°F (25.6°C)	Average	8	$340
August	76.1°F (24.5°C)	Average	8	$293
September	66.4°F (19.1°C)	Average	7	$200
October	51.8°F (11.0°C)	High	8	$268
November	38.7°F (3.7°C)	Low	7	$359
December	29.5°F (-1.4°C)	Average	8	$311

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

How to find the best prices for flights from Kalispell (FCA) to Boise (BOI)

Getting some of the best deals on flights from Kalispell to Boise is all about timing and flexibility. Here are some key tips to help you save:

1. Best times to book and fly: cheaper fares are usually available when booking at least two months in advance, although most travelers tend to book 2 to 8 weeks ahead. Departures in the morning, between 5 AM and 12 PM, not only offer lower prices but are also the most popular. Additionally, flying on Tuesday typically provides cheaper rates, while Friday remains the busiest travel day.
2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Boise Airport from Glacier Park International Airport

Boise welcomes travelers from Kalispell with a range of transport options based on price, convenience, and proximity. Here's how to reach Boise efficiently:

• Hotel transfer: Transfers offer a convenient way to reach your hotel in Boise, with private rides that can be arranged in advance.
• Car rental: Renting a car from Boise Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Boise Airport on Expedia.
• Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
• Public transportation: From Boise Airport, Boise Station, a train station, is located about 2.4 miles away by car, while Boise Bus Station, a bus station, is situated around 3.8 miles from the airport, both easily accessible by car.