$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)

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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 3 days ago
$289
Roundtrip
found 3 days ago
Select United flight, departing Fri, Apr 17 from San Antonio to Kalispell, returning Sun, Apr 19, priced at $289 found 3 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 4 days ago
$296
Roundtrip
found 4 days ago
Select Delta flight, departing Sun, Oct 4 from San Antonio to Kalispell, returning Fri, Oct 9, priced at $296 found 4 days ago
Delta
Mon, Aug 24 - Fri, Aug 28
SAT
San Antonio
FCA
Kalispell
$299 Roundtrip, found 13 hours ago
$299
Roundtrip
found 13 hours ago
Select Delta flight, departing Mon, Aug 24 from San Antonio to Kalispell, returning Fri, Aug 28, priced at $299 found 13 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 21 hours ago
$304
Roundtrip
found 21 hours ago
Select Delta flight, departing Mon, Apr 20 from San Antonio to Kalispell, returning Wed, Apr 22, priced at $304 found 21 hours ago
Hawaiian Airlines
Wed, Mar 11 - Mon, Mar 23
SAT
San Antonio
FCA
Kalispell
$757 Roundtrip, found 4 days ago
$757
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Wed, Mar 11 from San Antonio to Kalispell, returning Mon, Mar 23, priced at $757 found 4 days ago

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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 Intl. Airport (SAT) to Glacier Park Intl. Airport (FCA) cost?
Lock in a cheap one-way flight from $145 or cheap return flight from $289 from San Antonio Intl. Airport (SAT) to Glacier Park Intl. Airport (FCA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from San Antonio Intl. Airport (SAT) to Glacier Park Intl. Airport (FCA)?
Planning your getaway for September can help you save, as it's the cheapest month for flights between SAT and FCA. You'll usually find the lowest fares during the off-season.
What is the cheapest airline that flies from San Antonio Intl. Airport (SAT) to Glacier Park Intl. Airport (FCA)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest SAT to FCA flight.
How many flights per day from San Antonio Intl. Airport (SAT) to Glacier Park Intl. Airport (FCA)?
There aren't any daily nonstop flights departing from San Antonio Intl. Airport (SAT) to Glacier Park Intl. Airport (FCA). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from SAT to FCA?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change depending on a range of factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Antonio Intl. Airport (SAT) to Glacier Park Intl. Airport (FCA)?
To touch down at Glacier Park Intl. Airport (FCA) on time, choose a flight that takes off from San Antonio Intl. Airport (SAT) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from San Antonio Intl. Airport (SAT) to Glacier Park Intl. Airport (FCA) last-minute?
Last-minute fares from SAT to FCA are typically more expensive. To secure the best rates, start looking for flights as early as possible. That said, if you're flexible with your travel plans, it's possible to land a cheap ticket right before your trip.
Is it cheaper to book a SAT to FCA flight and hotel package?
You'll generally save money by booking a SAT to FCA flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. After selecting your preferred flights and accommodations, you can add extras such as tours, car rentals and activities.
Can I cancel or change the date of my flight from San Antonio Intl. Airport (SAT) to Glacier Park Intl. Airport (FCA)?
If you reserved your SAT to FCA flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for 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.

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