$145 Cheap Flights from San Antonio (SAT) to Kalispell (FCA)

View $145 flight on Wed, Nov 25, 2026Opens in a new window

Popular airlines from San Antonio International Airport (SAT) to Glacier Park Intl. Airport (FCA)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from San Antonio to Kalispell (SAT-FCA)

Prices were available within the past 7 days and start at $145 for one-way flights and $289 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, Sep 19 - Sat, Sep 26
SAT
San Antonio
FCA
Kalispell
$289 Roundtrip, found 2 days ago
$289
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, Sep 19 from San Antonio to Kalispell, returning Sat, Sep 26, priced at $289 found 2 days ago
United
Fri, Apr 17 - Sun, Apr 19
SAT
San Antonio
FCA
Kalispell
$289 Roundtrip, found 4 days ago
$289
Roundtrip
found 4 days ago
Select United flight, departing Fri, Apr 17 from San Antonio to Kalispell, returning Sun, Apr 19, priced at $289 found 4 days ago
Alaska Airlines
Sat, Aug 15 - Wed, Aug 19
SAT
San Antonio
FCA
Kalispell
$294 Roundtrip, found 2 days ago
$294
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, Aug 15 from San Antonio to Kalispell, returning Wed, Aug 19, priced at $294 found 2 days ago
Delta
Sat, Aug 29 - Thu, Sep 17
SAT
San Antonio
FCA
Kalispell
$294 Roundtrip, found 3 days ago
$294
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Aug 29 from San Antonio to Kalispell, returning Thu, Sep 17, priced at $294 found 3 days ago
Delta
Sun, Oct 4 - Fri, Oct 9
SAT
San Antonio
FCA
Kalispell
$296 Roundtrip, found 5 days ago
$296
Roundtrip
found 5 days ago
Select Delta flight, departing Sun, Oct 4 from San Antonio to Kalispell, returning Fri, Oct 9, priced at $296 found 5 days ago
Delta
Mon, Aug 24 - Fri, Aug 28
SAT
San Antonio
FCA
Kalispell
$299 Roundtrip, found 20 hours ago
$299
Roundtrip
found 20 hours ago
Select Delta flight, departing Mon, Aug 24 from San Antonio to Kalispell, returning Fri, Aug 28, priced at $299 found 20 hours ago
American Airlines
Wed, May 27 - Mon, Jun 1
SAT
San Antonio
FCA
Kalispell
$299 Roundtrip, found 1 day ago
$299
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, May 27 from San Antonio to Kalispell, returning Mon, Jun 1, priced at $299 found 1 day ago
Delta
Wed, May 20 - Tue, May 26
SAT
San Antonio
FCA
Kalispell
$302 Roundtrip, found 4 days ago
$302
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, May 20 from San Antonio to Kalispell, returning Tue, May 26, priced at $302 found 4 days ago
Delta
Mon, Apr 20 - Wed, Apr 22
SAT
San Antonio
FCA
Kalispell
$304 Roundtrip, found 1 day ago
$304
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Apr 20 from San Antonio to Kalispell, returning Wed, Apr 22, priced at $304 found 1 day ago
Hawaiian Airlines
Wed, Mar 11 - Mon, Mar 23
SAT
San Antonio
FCA
Kalispell
$757 Roundtrip, found 5 days ago
$757
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Wed, Mar 11 from San Antonio to Kalispell, returning Mon, Mar 23, priced at $757 found 5 days ago

The Annual Vacation Sale

Members save up to 40% on hotels and homes. Plan this year’s big trip and save.
Book now

Alternative airports near Kalispell

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Glacier Park Intl. FCA. Cheapest and Closest option available. Average driving time to city center is 13 minutes. Flights from $389
FCA
Glacier Park Intl.
CheapestClosest
Average driving time to city center13 min
Flights from $389

Find the cheapest month to fly from San Antonio (SAT) to Kalispell (FCA)

November is typically the cheapest month to fly

From $262 - $579 per traveler.

Frequently asked questions

How much does a flight from San Antonio, TX (SAT-San Antonio Intl.) to Kalispell, MT (FCA-Glacier Park Intl.) cost?
You can find cheap one-way flights from $145 and cheap return flights from $289 San Antonio, TX (SAT-San Antonio Intl.) to Kalispell, MT (FCA-Glacier Park Intl.) with Expedia. One-way flights usually range from $199 to $1210, and return flights typically cost between $426 and $1662. 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 San Antonio, TX (SAT-San Antonio Intl.) to Kalispell, MT (FCA-Glacier Park 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 San Antonio, TX (SAT-San Antonio Intl.) to Kalispell, MT (FCA-Glacier Park Intl.)?
October is the cheapest month to fly from San Antonio, TX (SAT) to Kalispell, MT (FCA), with average return fares around $388. This price is about 26% lower than the average throughout the year, as travel demand tends to decrease after the summer. Other economical months to consider are January and November.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from San Antonio, TX (SAT-San Antonio Intl.) to Kalispell, MT (FCA-Glacier Park Intl.)?
Enter SAT to FCA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from San Antonio, TX (SAT-San Antonio Intl.) to Kalispell, MT (FCA-Glacier Park Intl.)?
American Airlines is one of the cheapest airlines offering connecting flights from San Antonio Intl. (SAT) to Glacier Park Intl. (FCA), with round-trip tickets starting from around $286. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from San Antonio, TX (SAT-San Antonio Intl.) to Kalispell, MT (FCA-Glacier Park Intl.)?
To find a cheap flight from San Antonio, TX (SAT-San Antonio Intl.) to Kalispell, MT (FCA-Glacier Park 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 San Antonio, TX (SAT-San Antonio Intl.) to Kalispell, MT (FCA-Glacier Park Intl.)?
For flights from San Antonio to Kalispell, October and January are the best months to fly, with average return flight prices around $388. October offers beautiful fall scenery, while January is great for winter sports enthusiasts, making both months appealing for different reasons.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from San Antonio, TX (SAT-San Antonio Intl.) to Kalispell, MT (FCA-Glacier Park Intl.)?
The earliest flight from San Antonio International Airport (SAT) to Glacier Park International Airport (FCA) typically leaves at around 5:00 AM, operated by American Airlines. An early start like this can give you a full day to explore Kalispell. This service is seasonal, so be sure to check for availability. 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 San Antonio, TX (SAT-San Antonio Intl.) to Kalispell, MT (FCA-Glacier Park Intl.)?
The most popular departure times for flights from San Antonio, TX (SAT-San Antonio Intl.) to Kalispell, MT (FCA-Glacier Park Intl.) are in the early morning, from 6am to 9am. About 48% of passengers prefer this time window. Many major carriers, including United, Delta, and American Airlines, offer flights during this window. This timing is popular because it allows travelers to start their day early and maximize their time in Kalispell.
How long does it take to fly from San Antonio, TX (SAT-San Antonio Intl.) to Kalispell, MT (FCA-Glacier Park Intl.)?
Flying from SAT to FCA with a connection usually takes about 6 hours, traveling roughly 1,543 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 San Antonio, TX (SAT-San Antonio Intl.) to Kalispell, MT (FCA-Glacier Park Intl.)?
First class is available on flights from SAT to FCA. First class cabins are available on:

  • Delta Air Lines
  • United Airlines
  • American Airlines

How do I earn miles on a San Antonio, TX (SAT-San Antonio Intl.) to Kalispell, MT (FCA-Glacier Park Intl.) flight with Expedia?
It's easy to earn miles on a San Antonio, TX (SAT-San Antonio Intl.) to Kalispell, MT (FCA-Glacier Park 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 Kalispell from San Antonio Intl. (SAT)?
From San Antonio Intl. (SAT), you can fly into Glacier Park Intl. (FCA) to reach Kalispell. Some flights may connect through major hubs like George Bush Intercontinental (IAH), Dallas-Fort Worth Intl. (DFW), O'Hare Intl. (ORD) before reaching Kalispell. 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 San Antonio, TX (SAT-San Antonio Intl.) to Kalispell, MT (FCA-Glacier Park Intl.) at the last minute?
Typically, booking a last minute flight from San Antonio, TX (SAT-San Antonio Intl.) to Kalispell, MT (FCA-Glacier Park 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 San Antonio, TX (SAT-San Antonio Intl.) to Kalispell, MT (FCA-Glacier Park Intl.) flight and hotel package?
Securing a San Antonio, TX (SAT-San Antonio Intl.) to Kalispell, MT (FCA-Glacier Park Intl.) flight and hotel package 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 San Antonio, TX (SAT-San Antonio Intl.) to Kalispell, MT (FCA-Glacier Park Intl.)?
If you booked your San Antonio, TX (SAT-San Antonio Intl.) to Kalispell, MT (FCA-Glacier Park 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
San Antonio Intl.
Destination airport
Glacier Park Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Roundtrip price
$288
Distance
1543 mi

Book with confidence

San Antonio to Kalispell Flights

The cheapest times to fly from San Antonio to Kalispell

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

 

The best time to book a flight from San Antonio to Kalispell

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

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 San Antonio to Kalispell in 2026. You can also book with separate airlines for your outbound and return journeys, from $145 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 San Antonio to Kalispell 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 San Antonio to Kalispell 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.

 

San Antonio to Kalispell Flights

*Flight schedules are subject to change.

Explore a world of travel with Expedia

*Available to One Key members.