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Kalispell

$129+ Cheap flights from Illinois to Kalispell (FCA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FCA
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheap flight deals from Illinois to Kalispell

Keep the following information in mind while searching for Illinois to Kalispell flight deals. Data was last updated August 20, 2025.

Round-trip from

$253
(United Airlines)

One-way from

$129
(Delta)

Popular in

March

Cheapest in

August

Average price

$383

Good round-trip deal

$329 or less

Good one-way deal

$218 or less
From Illinois to Kalispell Glacier Park
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One-way flight from Illinois to Kalispell Glacier Park
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Highest demand for flights based on searches. 14% potential increase in price ($76 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Illinois to Kalispell Glacier Park.
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Price to beat on a one-way flight from Illinois to Kalispell Glacier Park.
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Find flight deals from Illinois to Kalispell

Cheapest flights from Illinois to Kalispell
Explore the most affordable flight options available from Illinois to Kalispell. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This United Airlines deal was found by Cheapflights users on 8/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/175:15 amSTL - FCA
1 stop5h 51mUnited Airlines
Wed 9/245:15 pmFCA - STL
1 stop5h 38mUnited Airlines
Deal found 8/20$253
This Delta deal was found by Cheapflights users on 8/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/288:57 amORD - FCA
1 stop6h 32mDelta
Sat 11/812:00 pmFCA - ORD
1 stop8h 43mDelta
Deal found 8/19$269
This American Airlines deal was found by Cheapflights users on 8/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/281:35 pmORD - FCA
Nonstop3h 38mAmerican Airlines
Thu 10/24:53 pmFCA - ORD
Nonstop3h 22mAmerican Airlines
Deal found 8/19$271
This American Airlines deal was found by Cheapflights users on 8/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/149:56 amSTL - FCA
1 stop7h 17mAmerican Airlines
Thu 9/184:53 pmFCA - STL
1 stop5h 55mAmerican Airlines
Deal found 8/18$273
This Delta deal was found by Cheapflights users on 8/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/259:20 amMDW - FCA
1 stop6h 09mDelta
Sat 11/85:20 amFCA - MDW
2 stops11h 23mDelta
Deal found 8/19$274
This Delta deal was found by Cheapflights users on 8/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/288:57 amORD - FCA
1 stop6h 32mDelta
Sat 11/15:20 amFCA - ORD
2 stops10h 30mDelta
Deal found 8/19$274
This American Airlines deal was found by Cheapflights users on 8/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/276:00 amORD - FCA
1 stop9h 23mAmerican Airlines
Thu 10/24:53 pmFCA - ORD
Nonstop3h 22mAmerican Airlines
Deal found 8/18$279
This Delta deal was found by Cheapflights users on 8/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/288:57 amORD - FCA
1 stop6h 32mDelta
Tue 11/45:20 amFCA - ORD
1 stop6h 04mDelta
Deal found 8/19$280
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Wed 10/296:25 pmORD - FCA
2 stops23h 33mMultiple Airlines
Sun 11/95:44 pmFCA - ORD
1 stop11h 41mMultiple Airlines
Deal found 8/19$282
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 10/306:35 amORD - FCA
1 stop11h 23mMultiple Airlines
Sun 11/95:44 pmFCA - ORD
1 stop11h 41mMultiple Airlines
Deal found 8/19$283
This Delta deal was found by Cheapflights users on 8/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/315:15 pmORD - FCA
1 stop6h 54mDelta
Fri 11/76:10 pmFCA - ORD
2 stops13h 19mDelta
Deal found 8/19$287
This American Airlines deal was found by Cheapflights users on 8/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/169:55 amORD - FCA
Nonstop3h 48mAmerican Airlines
Sun 10/191:14 pmFCA - ORD
Nonstop3h 36mAmerican Airlines
Deal found 8/18$289

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Kalispell that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 20, 2025.
Use the filters below to find and compare flights from Illinois to Kalispell that are best for you.

Fly from

Illinois

Fly to

Kalispell

Route

Depart

Return

Price

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Wed 9/17

5:15 am-10:06 am

1 stop5h 51m

Kalispell Glacier Park

Wed 9/24

5:15 pm-11:53 pm

1 stop5h 38m

$253

ChicagoKalispell

ORD - FCA

ORDFCA

Chicago O'Hare Intl

Fri 10/31

6:00 am-12:24 pm

1 stop7h 24m

Kalispell Glacier Park

Tue 11/4

2:07 pm-12:24 am

1 stop9h 17m

$269

ChicagoKalispell

ORD - FCA

ORDFCA

Chicago O'Hare Intl

Wed 10/29

8:57 am-2:29 pm

1 stop6h 32m

Kalispell Glacier Park

Wed 11/5

5:20 am-12:24 pm

1 stop6h 04m

$269

ChicagoKalispell

ORD - FCA

ORDFCA

Chicago O'Hare Intl

Thu 10/30

5:53 pm-11:57 pm

1 stop7h 04m

Kalispell Glacier Park

Tue 11/4

2:07 pm-9:40 pm

1 stop6h 33m

$269

ChicagoKalispell

ORD - FCA

ORDFCA

Chicago O'Hare Intl

Wed 10/29

8:57 am-2:29 pm

1 stop6h 32m

Kalispell Glacier Park

Sat 11/8

5:20 am-12:24 pm

1 stop6h 04m

$269

ChicagoKalispell

ORD - FCA

ORDFCA

Chicago O'Hare Intl

Tue 9/23

5:00 am-10:06 am

1 stop6h 06m

Kalispell Glacier Park

Sat 9/27

5:06 pm-11:59 pm

1 stop5h 53m

$269

ChicagoKalispell

ORD - FCA

ORDFCA

Chicago O'Hare Intl

Mon 10/27

8:57 am-2:29 pm

1 stop6h 32m

Kalispell Glacier Park

Sun 11/9

3:00 pm-9:52 pm

1 stop5h 52m

$269

ChicagoKalispell

ORD - FCA

ORDFCA

Chicago O'Hare Intl

Mon 10/27

7:00 am-1:27 pm

1 stop7h 27m

Kalispell Glacier Park

Tue 11/4

2:07 pm-9:40 pm

1 stop6h 33m

$269

ChicagoKalispell

ORD - FCA

ORDFCA

Chicago O'Hare Intl

Sat 10/25

10:05 am-5:55 pm

1 stop8h 50m

Kalispell Glacier Park

Tue 11/4

2:07 pm-12:24 am

1 stop9h 17m

$269

ChicagoKalispell

ORD - FCA

ORDFCA

Chicago O'Hare Intl

Tue 10/28

8:57 am-2:29 pm

1 stop6h 32m

Kalispell Glacier Park

Sat 11/8

12:00 pm-9:43 pm

1 stop8h 43m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

Showing 1-10 of 60 results
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Best time to book a flight from Illinois to Kalispell

Have a flexible travel schedule? Discover the best time to fly to Kalispell from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Kalispell

What is the cheapest month to book a flight from Illinois to Kalispell?

Currently, October is the cheapest month in which you can book a flight from Illinois to Kalispell (average of $373). Flying from Illinois to Kalispell in July is currently the most expensive (average of $600). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to FCA?

Find hourly flight availability from Illinois to Kalispell. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 20, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Kalispell as you normally would.

Weekly flight availability from Illinois to Kalispell

Explore weekly flight availability from Illinois to Kalispell. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 20, 2025.

The most flights from USIL to FCA are scheduled on a Monday (6 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

Related info for your journey

Find useful and relevant information for your journey from Illinois to Kalispell. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Kalispell from Illinois?

    Located just 8.4 mi from the city center, Kalispell Glacier Park (FCA) is the airport most travelers will use when flying to Kalispell from Illinois.

  • How long is the flight from Illinois to Kalispell?

    There are many flights that can get you from Illinois to Kalispell in 5h 51m. Fly via United Airlines, Alaska Airlines, or Delta to get the fastest option. There are 1358 mi between Illinois and Kalispell. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Illinois to Kalispell one-way?

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $129. However, be on the lookout for offers from Alaska Airlines and American Airlines, as they are both options that can get you from Illinois to Kalispell for a low price.

  • What are the most popular routes from Illinois to Kalispell?

    While some choose either Lambert-St Louis - Kalispell Glacier Park or Chicago Midway - Kalispell Glacier Park, Chicago O'Hare Intl - Kalispell Glacier Park is the most popular route from Illinois to Kalispell.

  • What are the most reliable airlines from Illinois to Kalispell?

    Consider Alaska Airlines (68%), American Airlines (57%) or United Airlines (47%) when booking your flight. These represent the most reliable airlines when flying from Illinois to Kalispell.

  • What are the cheapest flights from Illinois to Kalispell?

    On average you can expect to pay $331 for a flight from Illinois to Kalispell. The cheapest flight overall is $151 while the most popular route, (Chicago O'Hare Intl - Kalispell Glacier Park) is currently priced at $259.

  • Can I find deals for flights from Illinois to Kalispell that include hotel bookings?

    Yes. In addition to deals on Illinois to Kalispell flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Kalispell?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Kalispell.

  • Can I find deals for business class flights from Illinois to Kalispell?

    Yes. Cheapflights offers flight deals from Illinois to Kalispell by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Kalispell?

    Currently, October is the cheapest month in which you can book a flight from Illinois to Kalispell (average of $373). Flying from Illinois to Kalispell in July is currently the most expensive (average of $600). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Kalispell?

Book flights to Kalispell if you plan to visit one of these locations
East Glacier Park
Polson

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Alternative routes for Illinois to Kalispell

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Top 4 airlines flying from Illinois to Kalispell

Discover the top 4 airlines that operate flights from Illinois to Kalispell. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$269Average$566FlexibilityNo cancel feeOn-time71%
DeltaCheapest$272Average$383FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$330Average$701FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$426Average$534FlexibilityNo cancel feeOn-time75%

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