$233 Cheap Flights from Kalispell (FCA) to Boise (BOI)
Popular airlines from Glacier Park Intl. Airport (FCA) to Boise Airport (BOI)
Alaska AirlinesAlaska Airlines
DeltaDelta
UnitedUnited
American AirlinesAmerican Airlines
Be in the knowGet alerts if flight prices drop or rise*
Book smarterSave up to 30% on select hotels after you book a flight*
Cheap Flights from Kalispell to Boise (FCA-BOI)
Alternative airports near Boise
Prices were available within the past 7 days. Prices and availability are subject to change.
Find the cheapest month to fly from Kalispell (FCA) to Boise (BOI)
January is typically the cheapest month to flyJanuary is typically the cheapest month to fly
Book with confidence
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:
- 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.
- Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
- Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
- 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.
- Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
- 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.
Kalispell to Boise Flights
The cheapest times to fly from Kalispell to Boise
On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Kalispell to Boise are during the month of October. You can find some of the cheapest flights from Kalispell to Boise with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Kalispell to Boise
Sunday is one of the best days to book for cheap flights from Kalispell to Boise: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.
How to find cheap round-trip tickets from Kalispell to Boise
Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Kalispell to Boise in 2026. You can also book with separate airlines for your outbound and return journeys, from $233 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.
Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Kalispell to Boise flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.
You could also save big by booking one of Expedia's vacation packages. Bundling together your Kalispell to Boise airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.
*Terms apply.
Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.
Frequently Asked Questions
How much does a flight from Kalispell, MT (FCA-Glacier Park Intl.) to Boise, ID (BOI) cost?
You can find cheap one-way flights from $233 and cheap return flights $463 Kalispell, MT (FCA-Glacier Park Intl.) to Boise, ID (BOI) with Expedia. One-way flights usually range from $199 to $992, and return flights typically cost between $303 and $1354. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Kalispell, MT (FCA-Glacier Park Intl.) to Boise, ID (BOI) ticket fares go up or down.
*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Kalispell, MT (FCA-Glacier Park Intl.) to Boise, ID (BOI)?
April is typically the cheapest month to fly from Kalispell, MT (FCA) to Boise, ID (BOI), with average return fares around $274. This is about 41% lower than the average price throughout the year, as demand tends to decrease after the winter season. Other cheap months to fly from Kalispell to Boise include January and February.
*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Kalispell, MT (FCA-Glacier Park Intl.) to Boise, ID (BOI)?
Enter FCA to BOI and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Kalispell, MT (FCA-Glacier Park Intl.) to Boise, ID (BOI)?
To find a cheap flight from Kalispell, MT (FCA-Glacier Park Intl.) to Boise, ID (BOI), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Kalispell, MT (FCA-Glacier Park Intl.) to Boise, ID (BOI)?
The best time to fly from Kalispell, MT (FCA) to Boise, ID (BOI) is typically in April or January. During these months, you can find return flights at around $274, making them the cheapest options. April offers pleasant spring weather, while January is quieter after the holiday rush, allowing for a more relaxed travel experience.
*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Kalispell, MT (FCA-Glacier Park Intl.) to Boise, ID (BOI)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from FCA to BOI. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Kalispell, MT (FCA-Glacier Park Intl.) to Boise, ID (BOI)?
The most popular departure times for flights from Kalispell, MT (FCA-Glacier Park Intl.) to Boise, ID (BOI) are in the early afternoon, from 12pm to 3pm. About 36% of passengers prefer this time window. Many major carriers, including Alaska Airlines and United Airlines, offer flights during this window. This timing works well because it allows you to enjoy a leisurely morning before your flight.
How long does it take to fly from Kalispell, MT (FCA-Glacier Park Intl.) to Boise, ID (BOI)?
A flight from FCA to BOI with a layover takes around 5 hours 20 minutes, with the route covering approximately 341 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Kalispell, MT (FCA-Glacier Park Intl.) to Boise, ID (BOI)?
First class is available on flights from FCA to BOI. First class cabins are available on:
- Delta Air Lines
- United Airlines
- American Airlines
How do I earn miles on a Kalispell, MT (FCA-Glacier Park Intl.) to Boise, ID (BOI) flight with Expedia?
It's easy to earn miles on a Kalispell, MT (FCA-Glacier Park Intl.) to Boise, ID (BOI) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.
*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from Kalispell, MT (FCA-Glacier Park Intl.) to Boise, ID (BOI) at the last minute?
Typically, booking a last minute flight from Kalispell, MT (FCA-Glacier Park Intl.) to Boise, ID (BOI) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Kalispell, MT (FCA-Glacier Park Intl.) to Boise, ID (BOI) flight and hotel package?
Securing a Kalispell, MT (FCA-Glacier Park Intl.) to Boise, ID (BOI) Boise Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Kalispell, MT (FCA-Glacier Park Intl.) to Boise, ID (BOI)?
If you booked your Kalispell, MT (FCA-Glacier Park Intl.) to Boise, ID (BOI) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.
Travel information
Origin airport | Glacier Park Intl. Airport |
|---|---|
Destination airport | Boise Airport |
Distance | 340 miles away |
Airlines serving | Alaska Airlines, Delta, United, American Airlines |
Popular airline | Alaska Airlines |
Roundtrip price | $463 |