Cheap flights from St. Louis to Kalispell from $168
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Kalispell departing on 7/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from St. Louis to Kalispell
Cheap round-trip flights
Cheap one-way flights
United Airlines flights from St. Louis to Kalispell
Our best United Airlines deals on St. Louis to Kalispell flight tickets
Alaska Airlines flights from St. Louis to Kalispell
Our best Alaska Airlines deals on St. Louis to Kalispell flight tickets
See travel insights to Kalispell from
How to get the cheapest flight ticket from St. Louis to Kalispell
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Kalispell?
The month of December is, on average, the cheapest month to fly to Kalispell from St. Louis, with most prices found around $321. If you aren’t able to travel to Kalispell during the month of December, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $447.
What is the cheapest day to depart on your flight to Kalispell?
The cheapest day to depart from St. Louis to Kalispell is on a Wednesday. Travelers who choose to depart for Kalispell on a Wednesday will often find tickets for as low as $481. The most expensive day to fly to Kalispell is Thursday, with ticket prices averaging around $651.
What is the cheapest time of day to depart on your flight to Kalispell?
According to our data, the cheapest time of day to fly to Kalispell is in the afternoon. momondo users have found flights departing from St. Louis to Kalispell in the afternoon for as low as $482. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. At noon is when there is more demand to fly to Kalispell, so prices are often more expensive at around $639 per ticket.
How far in advance should I book a flight to Kalispell?
You are more likely to see cheaper flights to Kalispell from St. Louis when booking 9 weeks ahead of your departure date. In general, you can expect to find flights to Kalispell for around $527 when searching 9 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kalispell from St. Louis for as low as $431 on momondo.
What is the cheapest airline that flies from Lambert-St Louis to Kalispell Glacier Park?
Delta, American Airlines, and United Airlines are the most popular carriers operating from Lambert-St Louis to Kalispell Glacier Park
What airlines fly to Kalispell?
United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Kalispell from St. Louis according to our data. United Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Kalispell. Keep in mind that there are 4 different airlines that fly to Kalispell on a routine basis, so you have a few additional options to choose from.
When to book flights from St. Louis to Kalispell
Cheap St. Louis to Kalispell (STL to FCA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Kalispell
How far is Lambert-St Louis to Kalispell Glacier Park by plane?
Kalispell Glacier Park is 1369.9 mi away from Lambert-St Louis. Flights usually cover this in 5h 38m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Lambert-St Louis Airport to Kalispell Glacier Park Airport?
Prices for flights from Lambert-St Louis Airport to Kalispell Glacier Park Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Lambert-St Louis Airport to Kalispell Glacier Park Airport?
As of April 2025, there are 4 operators available to choose from for flights from Lambert-St Louis Airport to Kalispell Glacier Park Airport.
How old do you have to be to fly from Lambert-St Louis Airport to Kalispell Glacier Park Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Kalispell Glacier Park Airport.
What documentation or ID do you need to fly to Kalispell Glacier Park Airport?
The travel and health documents you'll need for your trip to Kalispell Glacier Park Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Kalispell Glacier Park Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from St. Louis to Kalispell?
momondo data reveals that the most frequently booked airline on the route from St. Louis to Kalispell is United Airlines, representing 38% of all bookings. The subsequent popular airlines are Delta at 30%, American Airlines at 28%, and Alaska Airlines at 4%.
Best airlines flying from St. Louis to Kalispell
Compare and see reviews for airlines that fly from St. Louis to Kalispell with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $303 | Free Cancellation | Rating 8.0 7,898 reviews | |||
| PriceFrom $311 | Free Cancellation | Rating 8.0 9,820 reviews | |||
| PriceFrom $354 | Free Cancellation | Rating 7.4 8,615 reviews | |||
| PriceFrom $378 | Free Cancellation | Rating 7.2 10,000 reviews |
Traveling to a place near Kalispell?
Book flights to Kalispell if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from St. Louis to Kalispell?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to Kalispell. momondo saves you time and could save you money on your trip.
Can I find flights from St. Louis to Kalispell with flexible booking policies on momondo?
Flights from St. Louis to Kalispell with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from St. Louis to Kalispell?
Once you have performed a search for St. Louis to Kalispell flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from St. Louis to Kalispell right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Kalispell from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.