Cheap Flights from San Antonio International to Kalispell

Compare San Antonio International to Kalispell flight deals

Find the cheapest month or even day of the year to fly to Kalispell

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Flight deals from San Antonio International Airport to Kalispell Airport

Looking for a cheap last-minute deal or the best return flight from San Antonio International Airport to Kalispell Airport? If you want to travel next month, return fares start from $497. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from San Antonio International to Kalispell

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Antonio International to Kalispell flights are currently cheapest in April.

San Antonio International to Kalispell: Alternative routes

Compare routes from San Antonio International to Kalispell below. You may find an airport to fly into that's cheaper, faster, or easier than Kalispell.

San Antonio to Kalispell: Flight information

The things to know before you go.
Cheapest flight found$497
Cheapest month to flyApril

Finding cheap flights from San Antonio International to Kalispell: Frequently asked questions

The best price we found for a return flight from San Antonio International to Kalispell is $497. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from San Antonio International to Kalispell. But we found flights with one or more stops from $497.
As of March 2026, there are no flights flying from San Antonio International to Kalispell.
The cheapest month to fly from San Antonio International to Kalispell is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Antonio International Airport to Kalispell Airport on Tuesday, 7 April 2026.
No airlines currently offer direct flights between San Antonio International Airport and Kalispell Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Kalispell but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Kalispell is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Delta offers the cheapest flight tickets to Kalispell.

Travelling from San Antonio International Airport (SAT) to Glacier Park International Airport (FCA): what you need to know

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for stress-free travel. Be at the airport with enough time to catch your SAT to FCA flight.

  • During popular months such as July, it's a good idea to get to the airport well in advance. Arrive two hours before domestic departures and four hours ahead for an international flight whenever you're travelling during a high season in general.

  • If you want to explore another city along the way, just deselect 'Direct flights only' when searching for your ticket from San Antonio International Airport to Glacier Park International Airport. These are the top stopovers between SAT and FCA:

    • Denver International Airport

    • Dallas/Fort Worth International Airport

    • Salt Lake City International Airport

How to find the cheapest flights from San Antonio International Airport (SAT) to Glacier Park International Airport (FCA)

  • The cheapest price we've seen for a one-way San Antonio International Airport to Glacier Park International Airport flight is $611. A return ticket right now is $497. Depending on the availability when you book, these fares could change.

  • It's usually smart to book in advance if you want to find cheap tickets from SAT to FCA. That's because flight prices are based on demand, which tends to rise closer to departure.

  • The 'Whole month' tool shows you the cheapest flights from San Antonio International Airport to Glacier Park International Airport across the entire month. It's a good way to find a bargain if your travel dates are flexible.

  • You don't need to check back in every day to find out if fares have gone down when you create a Price Alert. We'll update you the moment there's a better deal on cheap flights from SAT to FCA.

  • Lock in the perfect flight for you by using the filters. To see the 'Best,' 'Cheapest' or 'Fastest' flights from San Antonio International Airport to Glacier Park International Airport, use the 'Sort by' function. You can also filter results by arrival and departure times, airline, and journey duration.

Handy information about San Antonio International Airport (SAT)

  • SAT is located at 9800 Airport Boulevard.

  • San Antonio International Airport gets top marks for on-time performance. 83.17% of flights that depart SAT arrive at their destination without delay.

  • Central San Antonio to San Antonio International Airport is approximately 19 kilometres. Depending on traffic, it'll take about 20 minutes to get there if you're ride-sharing, catching a cab or driving.

  • Catching public transport? Expect a journey time of around 1 hour 30 minutes.

  • Get your break off to a stress-free start by staying near SAT. Whether you've booked an early flight from San Antonio International Airport to Glacier Park International Airport or just don't like being rushed, these hotels are ideal:

Arriving at Glacier Park International Airport (FCA)

Getting from Glacier Park International Airport (FCA) to central Kalispell

  • The address for FCA is 4170 Highway 2 East.

  • Glacier Park International Airport is approximately 16 kilometres from central Kalispell. The drive time takes around 20 minutes.

When to fly to Glacier Park International Airport (FCA)

  • July is the busiest month for flights from San Antonio International Airport to Glacier Park International Airport. For smaller crowds, visit Kalispell in November.

  • The warmest month in Kalispell is July, with temperatures ranging between 7ºC and 32ºC. Book your flights from San Antonio International Airport to Glacier Park International Airport in this month if you enjoy this type of weather.

  • Search for cheap tickets from SAT to FCA in February if you like cooler conditions. Temperatures are at their lowest around then, ranging between -17ºC and 1ºC on average.

Explore more of United States

  • Kalispell has its own special appeal, but there are so many other parts of United States waiting to be explored. Around 241 kilometres west of Kalispell, a visit to Spokane will keep your itinerary busy. Don't miss top attractions like Manito Park, Northwest Museum of Arts & Culture and Spokane Falls.

  • If you want to check out another well-known destination in United States, head for Spokane Valley, about 225 kilometres west of Kalispell. Splash Down Waterpark, The Ref Sports Bar and Bead Lake Loop are highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.