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Kalispell

$103+ 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FCA
Nov 9 — Nov 161
Sun 11/9
Sun 11/16
1 adult, Economy
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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 October 10, 2025.

This Alaska Airlines deal was found by Cheapflights users on 10/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/147:00 amORD - FCA
1 stop7h 27mAlaska Airlines
Mon 11/171:06 pmFCA - ORD
1 stop23h 03mAlaska Airlines
Deal found 10/7$228
This Delta deal was found by Cheapflights users on 10/7. 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
1 stop7h 36mDelta
Deal found 10/7$237
This Delta deal was found by Cheapflights users on 10/7. 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 11/148:50 amORD - FCA
2 stops9h 36mDelta
Mon 11/1712:06 pmFCA - ORD
1 stop5h 39mDelta
Deal found 10/7$242
This American Airlines deal was found by Cheapflights users on 10/9. 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.
Fri 10/249:55 amORD - FCA
Nonstop3h 48mAmerican Airlines
Tue 10/281:14 pmFCA - ORD
Nonstop3h 36mAmerican Airlines
Deal found 10/9$249
This American Airlines deal was found by Cheapflights users on 10/8. 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.
Wed 10/226:00 amSTL - FCA
1 stop7h 43mAmerican Airlines
Wed 10/291:14 pmFCA - STL
1 stop6h 12mAmerican Airlines
Deal found 10/8$249
This Delta deal was found by Cheapflights users on 10/9. 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 11/48:53 amSTL - FCA
1 stop6h 36mDelta
Sat 11/85:20 amFCA - STL
1 stop7h 19mDelta
Deal found 10/9$257
This American Airlines deal was found by Cheapflights users on 10/7. 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.
Tue 10/289:55 amORD - FCA
Nonstop3h 48mAmerican Airlines
Sat 11/11:08 pmFCA - ORD
Nonstop3h 36mAmerican Airlines
Deal found 10/7$259
This Delta deal was found by Cheapflights users on 10/9. 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
Wed 10/295:20 amFCA - MDW
2 stops12h 05mDelta
Deal found 10/9$274
This American Airlines deal was found by Cheapflights users on 10/6. 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.
Tue 10/149:55 amORD - FCA
Nonstop3h 48mAmerican Airlines
Tue 10/211:14 pmFCA - ORD
Nonstop3h 36mAmerican Airlines
Deal found 10/6$294
This United Airlines deal was found by Cheapflights users on 10/6. 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.
Tue 10/145:01 amORD - FCA
1 stop6h 08mUnited Airlines
Tue 10/2112:41 pmFCA - ORD
Nonstop3h 29mUnited Airlines
Deal found 10/6$304
This Alaska Airlines deal was found by Cheapflights users on 10/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/226:33 amSTL - FCA
1 stop6h 49mAlaska Airlines
Wed 10/291:06 pmFCA - STL
2 stops33h 53mAlaska Airlines
Deal found 10/8$316
This Alaska Airlines deal was found by Cheapflights users on 10/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/47:00 amSTL - FCA
2 stops31h 27mAlaska Airlines
Sat 11/86:33 amFCA - STL
2 stops11h 57mAlaska Airlines
Deal found 10/8$339

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 October 10, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$228
(Alaska Airlines)

One-way from

$103
(Kiwi.com)

Popular in

March

Cheapest in

October

Average price

$363

Good round-trip deal

$340 or less

Good one-way deal

$275 or less
Provider with most accurate pricing for Chicago (CHI)-Kalispell Glacier Park flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Kalispell Glacier Park flights.
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From Illinois to Kalispell Glacier Park
Search Deals
One-way flight from Illinois to Kalispell Glacier Park
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($71 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Illinois to Kalispell Glacier Park.
Search Deals
Price to beat on a one-way flight from Illinois to Kalispell Glacier Park.
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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 October 10, 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

ChicagoKalispell

ORD - FCA

ORDFCA

Chicago O'Hare Intl

Fri 11/14

6:00 am-12:24 pm

1 stop7h 24m

Kalispell Glacier Park

Mon 11/17

1:06 pm-1:09 pm

1 stop23h 03m

$228

ChicagoKalispell

ORD - FCA

ORDFCA

Chicago O'Hare Intl

Fri 11/14

8:50 am-5:26 pm

2 stops9h 36m

Kalispell Glacier Park

Mon 11/17

12:06 pm-6:45 pm

1 stop5h 39m

$242

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Tue 11/4

8:53 am-2:29 pm

1 stop6h 36m

Kalispell Glacier Park

Sat 11/8

5:20 am-1:39 pm

1 stop7h 19m

$257

ChicagoKalispell

ORD - FCA

ORDFCA

Chicago O'Hare Intl

Mon 1/5

7:00 am-1:36 pm

1 stop7h 36m

Kalispell Glacier Park

Fri 1/9

12:54 pm-11:55 pm

2 stops10h 01m

$271

ChicagoKalispell

ORD - FCA

ORDFCA

Chicago O'Hare Intl

Tue 11/4

1:25 pm-11:09 pm

2 stops10h 44m

Kalispell Glacier Park

Tue 11/11

6:06 pm-8:41 am

2 stops13h 35m

$293

ChicagoKalispell

ORD - FCA

ORDFCA

Chicago O'Hare Intl

Thu 10/16

8:45 am-11:35 am

Nonstop3h 50m

Kalispell Glacier Park

Thu 10/23

12:41 pm-5:10 pm

Nonstop3h 29m

$294

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Wed 10/22

6:00 am-12:43 pm

1 stop7h 43m

Kalispell Glacier Park

Wed 10/29

1:14 pm-8:26 pm

1 stop6h 12m

$314

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Wed 10/22

6:33 am-12:22 pm

1 stop6h 49m

Kalispell Glacier Park

Wed 10/29

1:06 pm-11:59 pm

2 stops33h 53m

$316

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Tue 11/4

7:00 am-1:27 pm

2 stops31h 27m

Kalispell Glacier Park

Sat 11/8

6:33 am-7:30 pm

2 stops11h 57m

$339

ChicagoKalispell

MDW - FCA

MDWFCA

Chicago Midway

Tue 10/28

9:20 am-2:29 pm

1 stop6h 09m

Kalispell Glacier Park

Sat 11/1

5:20 am-5:55 pm

2 stops11h 35m

$343

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Showing 1-10 of 40 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 $216). Flying from Illinois to Kalispell in January is currently the most expensive (average of $381). 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 October 10, 2025.

When flying from Illinois to Kalispell, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 14% versus a flight in the evening.

What is the cheapest day to fly from Illinois to Kalispell?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Kalispell. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Illinois to Kalispell flight should consider departing on Monday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 October 10, 2025.

The most flights from USIL to FCA are scheduled on a Monday (3 on average). You will have fewer flight options on Sunday, 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 7h 24m. Fly via Alaska Airlines, Delta, or American Airlines to get the fastest option. There are 1348 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 Alaska Airlines, with whom users have recently found tickets for as low as $114. However, be on the lookout for offers from Delta and United 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 United Airlines (84%), Alaska Airlines (74%) or SkyWest Airlines (74%) 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 $357 for a flight from Illinois to Kalispell. The cheapest flight overall is $175 while the most popular route, (Chicago O'Hare Intl - Kalispell Glacier Park) is currently priced at $237.

  • 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 $216). Flying from Illinois to Kalispell in January is currently the most expensive (average of $381). 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

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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 October 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$268Average$559FlexibilityNo cancel feeOn-time71%
DeltaCheapest$272Average$383FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$302Average$684FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$426Average$534FlexibilityNo cancel feeOn-time75%

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