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$218 Cheap Flights from Kalispell (FCA) to Buffalo (BUF)

View $218 flight on Thu, Oct 15, 2026Opens in a new window

Popular airlines from Glacier Park Intl. Airport (FCA) to Buffalo Niagara Intl. Airport (BUF)

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Cheap Flights from Kalispell to Buffalo (FCA-BUF)

Prices were available within the past 7 days and start at $218 for one-way flights and $369 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Oct 27 - Sat, Oct 31
FCA
Kalispell
BUF
Buffalo
$369 Roundtrip, found 9 hours ago
$369
Roundtrip
found 9 hours ago
Select Delta flight, departing Tue, Oct 27 from Kalispell to Buffalo, returning Sat, Oct 31, priced at $369 found 9 hours ago
Delta
Tue, Oct 27 - Sat, Oct 31
FCA
Kalispell
BUF
Buffalo
$399 Roundtrip, found 9 hours ago
$399
Roundtrip
found 9 hours ago
Select Delta flight, departing Tue, Oct 27 from Kalispell to Buffalo, returning Sat, Oct 31, priced at $399 found 9 hours ago
Delta
Tue, Oct 27 - Sat, Oct 31
FCA
Kalispell
BUF
Buffalo
$446 Roundtrip, found 9 hours ago
$446
Roundtrip
found 9 hours ago
Select Delta flight, departing Tue, Oct 27 from Kalispell to Buffalo, returning Sat, Oct 31, priced at $446 found 9 hours ago
American Airlines
Tue, Oct 27 - Sat, Oct 31
FCA
Kalispell
BUF
Buffalo
$459 Roundtrip, found 9 hours ago
$459
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Tue, Oct 27 from Kalispell to Buffalo, returning Sat, Oct 31, priced at $459 found 9 hours ago
Delta
Tue, Oct 27 - Sat, Oct 31
FCA
Kalispell
BUF
Buffalo
$470 Roundtrip, found 9 hours ago
$470
Roundtrip
found 9 hours ago
Select Delta flight, departing Tue, Oct 27 from Kalispell to Buffalo, returning Sat, Oct 31, priced at $470 found 9 hours ago
United
Wed, Sep 9 - Tue, Sep 15
FCA
Kalispell
BUF
Buffalo
$470 Roundtrip, found 1 day ago
$470
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep 9 from Kalispell to Buffalo, returning Tue, Sep 15, priced at $470 found 1 day ago
American Airlines
Wed, Sep 9 - Tue, Sep 15
FCA
Kalispell
BUF
Buffalo
$482 Roundtrip, found 1 day ago
$482
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Sep 9 from Kalispell to Buffalo, returning Tue, Sep 15, priced at $482 found 1 day ago
American Airlines
Tue, Oct 27 - Sat, Oct 31
FCA
Kalispell
BUF
Buffalo
$499 Roundtrip, found 9 hours ago
$499
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Tue, Oct 27 from Kalispell to Buffalo, returning Sat, Oct 31, priced at $499 found 9 hours ago
Delta
Tue, Oct 27 - Sat, Oct 31
FCA
Kalispell
BUF
Buffalo
$500 Roundtrip, found 9 hours ago
$500
Roundtrip
found 9 hours ago
Select Delta flight, departing Tue, Oct 27 from Kalispell to Buffalo, returning Sat, Oct 31, priced at $500 found 9 hours ago
Alaska Airlines
Tue, Oct 27 - Sat, Oct 31
FCA
Kalispell
BUF
Buffalo
$798 Roundtrip, found 9 hours ago
$798
Roundtrip
found 9 hours ago
Select Alaska Airlines flight, departing Tue, Oct 27 from Kalispell to Buffalo, returning Sat, Oct 31, priced at $798 found 9 hours ago

What you need to know for your flight from Glacier Park Intl. to Buffalo Niagara Intl.

Kalispell (FCA) to Buffalo (BUF) at a glance

Travel between Kalispell (FCA) and Buffalo (BUF) with a selection of airlines operating this domestic short-haul route. Explore various options from full-service carriers to find the itinerary that aligns with your budget, schedule, and travel plans as you visit Buffalo's renowned attractions and neighborhoods. Here, you'll find essential information on flights from Glacier Park International Airport (FCA) to Buffalo Niagara International Airport (BUF).

  • Fastest flight duration: around 5h 15m in-flight, plus roughly 1h 15m layover with one stop
  • Route distance: roughly 1,700 miles (2,740 km)
  • Flights per week: around 7 departures on average
  • Typical fares (one-way): economy tickets often range from $185–$520, depending on seasonality and how far ahead you book

Flights from Glacier Park International Airport (FCA) to Buffalo Niagara International Airport (BUF)

Based on the latest travel bookings, here are the top airlines preferred by travelers flying from Kalispell to Buffalo, especially for one-stop and multi-stop journeys. Common layover points include O'Hare International Airport (ORD) with a layover of about 1 hour and 15 minutes, Denver International Airport (DEN) with a roughly 1-hour layover, and Minneapolis-St. Paul International Airport (MSP), which offers a longer layover of approximately 4 hours and 30 minutes. These options allow you to balance price, total travel time, and cabin class to create the ideal itinerary.

  • United: This comprehensive airline provides both one-stop and multi-stop options, with one-way fares usually falling between $190 and $460. United operates about 76% of flights on this route, featuring a standard in-flight duration of 5 hours and 15 minutes, leading to an overall travel time of approximately 6 hours and 30 minutes.
  • American Airlines: Known for its one-stop service, this major carrier offers one-way tickets that generally range from $185 to $475. American Airlines represents around 15% of the departures for this route, with a flight time of 5 hours and 15 minutes, totaling roughly 6 hours and 30 minutes when factoring in layover time.
  • Delta: This full-service airline provides one-stop flights, with one-way fares typically priced between $230 and $605. Delta accounts for about 9% of the departures on this route, maintaining a flight duration of 5 hours and 15 minutes and a total journey time of around 6 hours and 30 minutes, including layovers.

Alternative route from Kalispell (FCA) to Buffalo (BUF)

  • Kalispell to Rochester (FCA-ROC): The Greater Rochester International Airport (ROC) is located approximately 56 miles from Buffalo Niagara International Airport (BUF). One-way economy prices for this route generally fall between $215 and $505, influenced by the season and how far in advance you book. Travelers can choose from both one-stop and multi-stop flights, with most connections going through O'Hare International Airport (ORD). Major airlines servicing this route include United and American Airlines. First class is also an option for passengers on this journey.

How to find the best prices for flights from Kalispell (FCA) to Buffalo (BUF)

Getting some of the best deals on flights from Kalispell to Buffalo 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, though most travelers tend to book within two to eight weeks. Departures in the afternoon, between 12 PM and 6 PM, not only offer lower prices but are also the most popular. Additionally, flying on Wednesday generally results in cheaper tickets, while Thursday is 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 Buffalo Niagara International Airport from Glacier Park International Airport

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

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Buffalo, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Buffalo Niagara International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Buffalo Niagara International 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 Buffalo Niagara International Airport, Buffalo-Depew Station, a train station, is located about 2.6 miles away by car, while University Station, a metro station, is situated approximately 6.5 miles away by car, providing convenient options for onward travel.

Frequently asked questions

How much does a flight from Kalispell, MT (FCA-Glacier Park Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) cost?
You can find cheap one-way flights from $218 and cheap return flights from $369 Kalispell, MT (FCA-Glacier Park Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) with Expedia. One-way flights generally range between $230 and $1139, and roundtrip flights usually range from $512 to $1830. 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 Buffalo, NY (BUF-Buffalo Niagara Intl.) 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 Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The cheapest month to fly from FCA to BUF is October when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Kalispell, MT (FCA-Glacier Park Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Enter FCA to BUF 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 Buffalo, NY (BUF-Buffalo Niagara Intl.)?
To find a cheap flight from Kalispell, MT (FCA-Glacier Park Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.), 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 Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Kalispell, MT (FCA-Glacier Park Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The earliest flight from Kalispell, MT (FCA-Glacier Park Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) typically departs at around 5:00 AM, operated by Delta. This is a seasonal service active in November, allowing you to start your journey early and make the most of your day in Buffalo. To compare early flights on Expedia, select 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 Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The most popular departure times for flights from Kalispell (FCA) to Buffalo (BUF) are in the early morning, from 6am to 9am. About 39% of passengers prefer this time window. United Airlines offers flights during this window. This timing is popular because it allows you to start your day early and arrive in Buffalo with ample time to explore.
How long does it take to fly from Kalispell, MT (FCA-Glacier Park Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Flying from FCA to BUF with a connection usually takes about 6 hours 20 minutes, traveling roughly 1,740 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 Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Select the "Business class" and "First class" filters when looking for FCA to BUF flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Kalispell, MT (FCA-Glacier Park Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight with Expedia?
It's easy to earn miles on a Kalispell, MT (FCA-Glacier Park Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) 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.
What airports do you fly into for Buffalo from Glacier Park Intl. (FCA)?
From Glacier Park Intl. (FCA), you can fly into Buffalo Niagara Intl. (BUF) to reach Buffalo. Some flights may connect through major hubs like Denver Intl. (DEN), Salt Lake City Intl. (SLC), O'Hare Intl. (ORD) before reaching Buffalo. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Kalispell, MT (FCA-Glacier Park Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) at the last minute?
Typically, booking a last minute flight from Kalispell, MT (FCA-Glacier Park Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) 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 Buffalo, NY (BUF-Buffalo Niagara Intl.) flight and hotel package?
Securing a Kalispell, MT (FCA-Glacier Park Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) Buffalo 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 Buffalo, NY (BUF-Buffalo Niagara Intl.)?
If you booked your Kalispell, MT (FCA-Glacier Park Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) 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.
Destination airport
Buffalo Niagara Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Roundtrip price
$369
Distance
1739 mi

Book with confidence

Kalispell to Buffalo Flights

The cheapest times to fly from Kalispell to Buffalo

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 Buffalo are during the month of October. You can find some of the cheapest flights from Kalispell to Buffalo with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Kalispell to Buffalo

Sunday is one of the best days to book for cheap flights from Kalispell to Buffalo: 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 Buffalo

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 Buffalo in 2026. You can also book with separate airlines for your outbound and return journeys, from $218 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 Buffalo 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 Buffalo 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.

 

Kalispell to Buffalo Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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