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$180 Cheap Flights from San Antonio (SAT) to Kalispell (FCA)

View $180 flight on Sun, Aug 30, 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 $180 for one-way flights and $359 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, Aug 30 - Thu, Sep 3
SAT
San Antonio
FCA
Kalispell
$359 Roundtrip, found 12 hours ago
$359
Roundtrip
found 12 hours ago
Select United flight, departing Sun, Aug 30 from San Antonio to Kalispell, returning Thu, Sep 3, priced at $359 found 12 hours ago
American Airlines
Sun, Aug 30 - Thu, Sep 3
SAT
San Antonio
FCA
Kalispell
$359 Roundtrip, found 12 hours ago
$359
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Sun, Aug 30 from San Antonio to Kalispell, returning Thu, Sep 3, priced at $359 found 12 hours ago
Delta
Sun, Aug 30 - Thu, Sep 3
SAT
San Antonio
FCA
Kalispell
$359 Roundtrip, found 12 hours ago
$359
Roundtrip
found 12 hours ago
Select Delta flight, departing Sun, Aug 30 from San Antonio to Kalispell, returning Thu, Sep 3, priced at $359 found 12 hours ago
Delta
Mon, Sep 28 - Sat, Oct 3
SAT
San Antonio
FCA
Kalispell
$361 Roundtrip, found 13 hours ago
$361
Roundtrip
found 13 hours ago
Select Delta flight, departing Mon, Sep 28 from San Antonio to Kalispell, returning Sat, Oct 3, priced at $361 found 13 hours ago
Bargain Flight
Sat, Jun 12 - Wed, Jun 16
SAT
San Antonio
FCA
Kalispell
$363 Roundtrip, found 1 day ago
$363
Roundtrip
found 1 day ago
Select Bargain Flight flight, departing Sat, Jun 12 from San Antonio to Kalispell, returning Wed, Jun 16, priced at $363 found 1 day ago
United
Sun, Aug 30 - Thu, Sep 3
SAT
San Antonio
FCA
Kalispell
$364 Roundtrip, found 12 hours ago
$364
Roundtrip
found 12 hours ago
Select United flight, departing Sun, Aug 30 from San Antonio to Kalispell, returning Thu, Sep 3, priced at $364 found 12 hours ago
Alaska Airlines
Sat, Jun 12 - Wed, Jun 16
SAT
San Antonio
FCA
Kalispell
$369 Roundtrip, found 1 day ago
$369
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Jun 12 from San Antonio to Kalispell, returning Wed, Jun 16, priced at $369 found 1 day ago
American Airlines
Sun, Sep 6 - Thu, Sep 10
SAT
San Antonio
FCA
Kalispell
$374 Roundtrip, found 20 hours ago
$374
Roundtrip
found 20 hours ago
Select American Airlines flight, departing Sun, Sep 6 from San Antonio to Kalispell, returning Thu, Sep 10, priced at $374 found 20 hours ago
United
Sun, Aug 30 - Thu, Sep 3
SAT
San Antonio
FCA
Kalispell
$378 Roundtrip, found 12 hours ago
$378
Roundtrip
found 12 hours ago
Select United flight, departing Sun, Aug 30 from San Antonio to Kalispell, returning Thu, Sep 3, priced at $378 found 12 hours ago
United
Sun, Aug 30 - Thu, Sep 3
SAT
San Antonio
FCA
Kalispell
$379 Roundtrip, found 12 hours ago
$379
Roundtrip
found 12 hours ago
Select United flight, departing Sun, Aug 30 from San Antonio to Kalispell, returning Thu, Sep 3, priced at $379 found 12 hours ago

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 $464
FCA
Glacier Park Intl.
CheapestClosest
Average driving time to city center13 min
Flights from $464

What you need to know for your flight from San Antonio Intl. to Glacier Park Intl.

San Antonio (SAT) to Kalispell (FCA) at a glance

Explore a range of kalispell flights on the domestic short-haul route from San Antonio (SAT) to Kalispell (FCA). Whether you're looking for budget options or full-service carriers, you can compare itineraries to find the best fit for your schedule and travel plans. Discover key details about flights from San Antonio International Airport to Glacier Park International Airport as you prepare to experience the beautiful sights and neighborhoods of Kalispell.

  • Fastest flight duration: around 4h 45m in-flight, plus roughly 1h 15m layover with one stop
  • Route distance: roughly 1,500 miles (2,410 km)
  • Flights per week: around 8 departures on average
  • Typical fares (one-way): economy tickets often range from $150–$475, depending on seasonality and how far ahead you book

Flights from San Antonio International Airport (SAT) to Glacier Park International Airport (FCA)

According to recent traveler bookings, here are the top airlines favored for flights from San Antonio to Kalispell, particularly for one-stop and multi-stop options. Common layover spots include Denver International Airport (DEN) with about a 1-hour layover, Salt Lake City International Airport (SLC) at roughly 1 hour and 15 minutes, and Dallas-Fort Worth International Airport (DFW) with an estimated 1 hour and 30 minutes layover. This variety allows you to customize your itinerary by balancing cost, total travel time, and cabin class.

  • United: This comprehensive airline provides both one-stop and multi-stop services, with one-way fares generally falling between $190 and $775. United represents around 43% of the departures on this route, featuring an average in-flight duration of 4 hours and 45 minutes, leading to a total journey time of about 6 hours.
  • Delta: Another full-service option, Delta offers one-stop flights with one-way ticket prices usually ranging from $150 to $455. It accounts for roughly 33% of the departures on this route, with an in-flight time of 4 hours and 45 minutes, culminating in an overall travel time of approximately 6 hours, including the layover.
  • American Airlines: Serving as a solid choice for travelers, American Airlines provides one-stop service with one-way fares that typically range from $170 to $390. This airline handles around 16% of the departures on this route, with an in-flight duration of 4 hours and 45 minutes and a total travel time of close to 6 hours, factoring in layover time.
  • Alaska Airlines: Offering one-stop service, Alaska Airlines presents one-way fares that usually range from $150 to $525. Representing about 8% of the departures on this route, travelers can expect an in-flight time of 4 hours and 45 minutes, with a total journey time of roughly 6 hours when including layover periods.

Best time to fly from San Antonio (SAT) to Kalispell (FCA)

The most popular months for travelers flying from San Antonio to Kalispell are March, July, and August, when peak temperatures in Kalispell reach up to 66.9°F in July. If you prefer quieter travel, consider November, the least busy time to visit with temperatures around 28.4°F and typically the lowest average one-way fare (around $199). Flight availability peaks in September, with approximately 10 flights per week, making it easier to find convenient departure times. January has the fewest flights, with approximately 7 flights per week.

  • Cheapest time to fly: November usually offers good deals with average one-way fare around $199, roughly 34% cheaper than the yearly average.
  • Another budget-friendly time to fly: October typically offers an average one-way fare of around $207.
  • Most flight options: September has the highest number of flights from San Antonio to Kalispell, with approximately 10 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January19.9°F (-6.7°C)Low7$255
February20.3°F (-6.5°C)Average8$300
March30.2°F (-1.0°C)High8$351
April38.5°F (3.6°C)Average8$319
May49.8°F (9.9°C)Average8$400
June57.7°F (14.3°C)Average9$328
July66.9°F (19.4°C)High8$321
August65.8°F (18.8°C)High9$275
September55.8°F (13.2°C)Average10$294
October40.8°F (4.9°C)Low9$207
November28.4°F (-2.0°C)Low9$199
December20.3°F (-6.5°C)Average9$372

*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.

Alternative route from San Antonio (SAT) to Kalispell (FCA)

  • Austin to Kalispell (AUS-FCA): Austin-Bergstrom International Airport (AUS) is located approximately 67 miles from San Antonio International Airport (SAT). One-way economy fares for this journey generally fall between $140 and $495, influenced by the time of year and how early you book. This route is mostly served by one-stop flights, with common layover points being Denver International Airport (DEN) and Salt Lake City International Airport (SLC). Major airlines operating on this route include United and Delta, with first-class service also available.

How to find the best prices for flights from San Antonio (SAT) to Kalispell (FCA)

Getting some of the best deals on flights from San Antonio to Kalispell 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 found when booking 2-8 weeks in advance, which aligns with when most travelers make their reservations. Evening departures (6 PM to 12 AM) often offer lower prices, while morning flights (5 AM to 12 PM) are the most popular. Additionally, flying on Tuesday typically results in cheaper prices, although Monday remains the most sought-after 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.* Find Kalispell hotel and flight deals.
  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 Glacier Park International Airport from San Antonio International Airport

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

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Kalispell, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
  • Car rental: Renting a car from Glacier Park International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Glacier Park 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 Glacier Park International Airport, Whitefish Seaport, a seaport, is located about 8.1 miles away, while Whitefish Depot, a train station, sits approximately 8.3 miles from the airport.

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 $180 and cheap return flights from $359 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
$358
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 August. 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 $180 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.

*Available to One Key members.

 

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