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$105+ Cheap flights from Kalispell (FCA) to Illinois

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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — ORD
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheap flight deals from Kalispell to Illinois

Keep the following information in mind while searching for Kalispell to Illinois flight deals. Data was last updated July 30, 2025.

Round-trip from

$211
(American Airlines)

One-way from

$105
(Hawaiian Airlines)

Popular in

February

Cheapest in

January

Average price

$416

Good round-trip deal

$434 or less

Good one-way deal

$304 or less
From Kalispell Glacier Park to Illinois
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One-way flight from Kalispell Glacier Park to Illinois
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Highest demand for flights based on searches. 15% potential increase in price ($85 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Kalispell Glacier Park to Illinois.
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Price to beat on a one-way flight from Kalispell Glacier Park to Illinois.
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Find flight deals from Kalispell to Illinois

Cheapest flights from Kalispell to Illinois
Explore the most affordable flight options available from Kalispell to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

This American Airlines deal was found by Cheapflights users on 7/28. 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 9/93:49 pmFCA - ORD
1 stop7h 10mAmerican Airlines
Tue 9/168:25 amORD - FCA
1 stop6h 58mAmerican Airlines
Deal found 7/28$211
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Sat 10/1812:41 pmFCA - ORD
Nonstop3h 29mUnited Airlines
Mon 10/208:45 amORD - FCA
Nonstop3h 50mUnited Airlines
Deal found 7/30$220
This Delta deal was found by Cheapflights users on 7/28. 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 9/96:50 amFCA - MDW
2 stops10h 47mDelta
Tue 9/167:15 pmMDW - FCA
1 stop5h 29mDelta
Deal found 7/28$242
This Mytrip deal was found by Cheapflights users on 7/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/45:33 pmFCA - ORD
1 stop10h 16mMultiple Airlines
Sun 9/76:00 amORD - FCA
1 stop11h 43mMultiple Airlines
Deal found 7/29$260
This Delta deal was found by Cheapflights users on 7/30. 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.
Wed 8/276:50 amFCA - STL
1 stop6h 40mDelta
Wed 9/35:30 pmSTL - FCA
1 stop7h 23mDelta
Deal found 7/30$281
This Delta deal was found by Cheapflights users on 7/28. 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.
Wed 9/35:20 amFCA - ORD
1 stop5h 38mDelta
Mon 9/82:00 pmORD - FCA
2 stops10h 53mDelta
Deal found 7/28$313
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 10/171:07 pmFCA - ORD
2 stops16h 17mAlaska Airlines
Tue 10/216:00 amORD - FCA
1 stop7h 22mAlaska Airlines
Deal found 7/29$322
This American Airlines deal was found by Cheapflights users on 7/29. 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 10/43:49 pmFCA - PIA
1 stop6h 34mAmerican Airlines
Tue 10/76:01 amPIA - FCA
1 stop7h 42mAmerican Airlines
Deal found 7/29$349
This United Airlines deal was found by Cheapflights users on 7/30. 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 8/276:30 amFCA - STL
2 stops8h 14mUnited Airlines
Wed 9/38:15 amSTL - FCA
2 stops14h 25mUnited Airlines
Deal found 7/30$404
This United Airlines deal was found by Cheapflights users on 7/30. 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 10/15:06 pmFCA - MLI
2 stops26h 59mUnited Airlines
Wed 10/86:30 amMLI - FCA
1 stop6h 05mUnited Airlines
Deal found 7/30$429
This United Airlines deal was found by Cheapflights users on 7/30. 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 10/1512:41 pmFCA - PIA
1 stop8h 34mUnited Airlines
Sun 10/196:00 amPIA - FCA
1 stop6h 35mUnited Airlines
Deal found 7/30$431
This Hawaiian Airlines deal was found by Cheapflights users on 7/29. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/124:22 pmFCA - STL
1 stop6h 37mHawaiian Airlines
Sun 9/143:35 pmSTL - FCA
1 stop9h 24mHawaiian Airlines
Deal found 7/29$446

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kalispell to Illinois 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 July 30, 2025.
Use the filters below to find and compare flights from Kalispell to Illinois that are best for you.

Fly from

Kalispell

Fly to

Illinois

Route

Depart

Return

Price

KalispellChicago

FCA - ORD

FCAORD

Kalispell Glacier Park

Tue 9/9

3:49 pm-11:59 pm

1 stop7h 10m

Chicago O'Hare Intl

Tue 9/16

8:25 am-2:23 pm

1 stop6h 58m

$211

KalispellChicago

FCA - ORD

FCAORD

Kalispell Glacier Park

Sat 10/18

12:41 pm-5:10 pm

Nonstop3h 29m

Chicago O'Hare Intl

Mon 10/20

8:45 am-11:35 am

Nonstop3h 50m

$220

KalispellChicago

FCA - MDW

FCAMDW

Kalispell Glacier Park

Tue 9/9

6:50 am-6:37 pm

2 stops10h 47m

Chicago Midway

Tue 9/16

7:15 pm-11:44 pm

1 stop5h 29m

$242

KalispellChicago

FCA - ORD

FCAORD

Kalispell Glacier Park

Thu 9/4

5:33 pm-4:49 am

1 stop10h 16m

Chicago O'Hare Intl

Sun 9/7

6:00 am-4:43 pm

1 stop11h 43m

$260

KalispellSt. Louis

FCA - STL

FCASTL

Kalispell Glacier Park

Wed 8/27

6:50 am-2:30 pm

1 stop6h 40m

Lambert-St Louis

Wed 9/3

5:30 pm-11:53 pm

1 stop7h 23m

$281

KalispellChicago

FCA - ORD

FCAORD

Kalispell Glacier Park

Wed 9/3

5:20 am-11:58 am

1 stop5h 38m

Chicago O'Hare Intl

Mon 9/8

2:00 pm-11:53 pm

2 stops10h 53m

$313

KalispellChicago

FCA - ORD

FCAORD

Kalispell Glacier Park

Fri 10/17

1:07 pm-6:24 am

2 stops16h 17m

Chicago O'Hare Intl

Tue 10/21

6:00 am-12:22 pm

1 stop7h 22m

$322

KalispellPeoria

FCA - PIA

FCAPIA

Kalispell Glacier Park

Sat 10/4

3:49 pm-11:23 pm

1 stop6h 34m

Greater Peoria

Tue 10/7

6:01 am-12:43 pm

1 stop7h 42m

$349

KalispellSt. Louis

FCA - STL

FCASTL

Kalispell Glacier Park

Wed 8/27

6:30 am-3:44 pm

2 stops8h 14m

Lambert-St Louis

Wed 9/3

8:15 am-9:40 pm

2 stops14h 25m

$404

KalispellMoline

FCA - MLI

FCAMLI

Kalispell Glacier Park

Wed 10/1

5:06 pm-9:05 pm

2 stops26h 59m

Moline Quad-City

Wed 10/8

6:30 am-11:35 am

1 stop6h 05m

$429

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 27 results
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Best time to book a flight from Kalispell to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Kalispell 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 Kalispell to Illinois

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

Currently, August is the cheapest month in which you can book a flight from Kalispell to Illinois (average of $245). Flying from Kalispell to Illinois in March is currently the most expensive (average of $321). 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 FCA to IL?

Find hourly flight availability from Kalispell to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 30, 2025.

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

Weekly flight availability from Kalispell to Illinois

Explore weekly flight availability from Kalispell to Illinois. 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 July 30, 2025.

The most flights from FCA to USIL are scheduled on a Wednesday (7 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated July 30, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta, and Hawaiian Airlines from Kalispell to Illinois. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Overall

8.0

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Overall

8.0

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Overall

8.0

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Overall

8.0

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Overall

8.0

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Overall

8.0

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from Kalispell to Illinois. 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 from for flights from Kalispell to Illinois?

    Kalispell Glacier Park (FCA), located 8.4 mi from the city center, is the airport you fly out of when you book flights from Kalispell to Illinois.

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

    $105 is the cheapest one-way deal found within the past few days, from Hawaiian Airlines. You may also be able to find cheap deals on Delta and American Airlines, with prices starting from $119 and $127, respectively.

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

    The most popular flight routes from Kalispell to Illinois are Kalispell Glacier Park - Chicago O'Hare Intl, Kalispell Glacier Park - Chicago Midway and Kalispell Glacier Park - Greater Peoria.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Kalispell to Illinois on time: SkyWest Airlines (85%), United Airlines (83%), Qatar Airways (59%).

  • What are the cheapest flights from Kalispell to Illinois?

    Looking at all options, your cheapest flight can be booked for $191. While the most popular route (Kalispell Glacier Park - Chicago O'Hare Intl) can be booked for $230 on average our data indicates $806 when flying from Kalispell to Illinois.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Kalispell to Illinois 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 Kalispell to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Kalispell to Illinois (average of $245). Flying from Kalispell to Illinois in March is currently the most expensive (average of $321). 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.

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Alternative routes for Kalispell to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Kalispell to Illinois

Discover the top 3 airlines that operate flights from Kalispell to Illinois. 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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$191Average$326FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$309Average$496FlexibilityNo cancel feeOn-time69%
DeltaCheapest$328Average$433FlexibilityNo cancel feeOn-timeN/A

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