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Kalispell

Find cheap Allegiant Air flights to Kalispell

CMH — FCA
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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Find Allegiant Air flight deals to Kalispell

One-way Allegiant Air flights to Kalispell
Search for one-way Allegiant Air flight options to Kalispell. Find affordable one-way fares based on user searches. Data last updated July 27, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:04 am
BOS
-
FCA
2 stops34h 07m
Allegiant Air
Deal found 7/25$228
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1510:59 am
BOS
-
FCA
3 stops48h 41m
Allegiant Air
Deal found 7/24$241
This Kiwi.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2010:15 am
BOS
-
FCA
2 stops35h 41m
Allegiant Air
Deal found 7/25$252

Flights to Kalispell with Allegiant Air at a glance

Find detailed information about Allegiant Air flights from USA to Kalispell. Explore the options provided by Allegiant Air to plan your journey from USA to Kalispell. Data last updated July 27, 2026.

Popular in

July

Cheapest in

January

Average price

$151

One-way from

$228

Good round-trip deal

$112 or less

Good one-way deal

$190 or less
Highest demand for flights to Kalispell with Allegiant Air; 26% potential price increase.
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Best time to find cheap flights to Kalispell with Allegiant Air; 8% potential price drop.
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Average price for flights to Kalispell with Allegiant Air (round-trip).
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Allegiant Air
  • Allegiant Air
  • 10/1
  • 2 total stops
  • 34h 07m total
  • USA to Kalispell
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Price to beat on a round-trip flight from the United States to Kalispell with Allegiant Air.
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Price to beat on a one-way flight from the United States to Kalispell with Allegiant Air.
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Cheapflights Insights

Find cheap Allegiant Air flights to Kalispell

How long is the flight to Kalispell with Allegiant Air?

On average, Allegiant Air flights from the United States to Kalispell take 4 hours 37 minutes. Flights to Kalispell from other popular cities in the United States will vary in length. Below are a few examples of popular routes and their flight times.

Allegiant Air weekly flight availability to Kalispell

The most flights to Kalispell operated by Allegiant Air are scheduled on a Monday (2 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (0 on average).

FAQs about flights to Kalispell with Allegiant Air

  • Which airport do Allegiant Air flights arrive at when travelling to Kalispell?

    Allegiant Air flights on this route tend to land at Kalispell Glacier Park Airport.

  • Is Allegiant Air the cheapest airline for a flight to Kalispell?

    Flight prices will depend on many factors like date, time and cabin class so it is worth comparing flights before booking. Based on Cheapflights data the cheapest average return price for flights to Kalispell tends to be with Allegiant Air.

  • Are there alternative airlines other than Allegiant Air that fly to Kalispell?

    United Airlines, Delta and American Airlines all fly to Kalispell and offer an alternative to Allegiant Air.

  • How much is a flight to Kalispell with Allegiant Air?

    The average price for a return flight with Allegiant Air is $163; with a one-way flight around $80.

See more FAQs

Reviews of Allegiant Air

See what Cheapflights users have to say about their Allegiant Air experience.
Allegiant Air
7.3
Good
681 reviews
Overview

Comfort

6.9

Entertainment

5.4

Food

5.8

Crew

8.1

Boarding

7.7

Popular Allegiant Air flights

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