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$102+ 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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — ORD
jun. 28 — jul. 51
sáb. 6/28
sáb. 7/5
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 junio 23, 2025.

Round-trip from

$191
(American Airlines)

One-way from

$102
(Mytrip)

Popular in

February

Cheapest in

January

Average price

$482

Good round-trip deal

$400 or less

Good one-way deal

$232 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. 14% potential increase in price ($79 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 June 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 junio 23, 2025.

This American Airlines deal was found by Cheapflights users on 6/23. 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.
vie. 10/171:16 pmFCA - ORD
Nonstop3h 26mAmerican Airlines
mar. 10/219:56 amORD - FCA
Nonstop3h 39mAmerican Airlines
Deal found 6/23$191
This Alaska Airlines deal was found by Cheapflights users on 6/23. 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.
vie. 10/176:35 pmFCA - ORD
1 stop10h 46mAlaska Airlines
mar. 10/216:00 amORD - FCA
1 stop7h 22mAlaska Airlines
Deal found 6/23$240
This United Airlines deal was found by Cheapflights users on 6/23. 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.
vie. 10/172:31 pmFCA - ORD
1 stop8h 28mUnited Airlines
mar. 10/218:45 amORD - FCA
Nonstop3h 50mUnited Airlines
Deal found 6/23$281
This American Airlines deal was found by Cheapflights users on 6/21. 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.
jue. 8/74:57 pmFCA - STL
1 stop5h 54mAmerican Airlines
dom. 8/105:15 amSTL - FCA
1 stop6h 48mAmerican Airlines
Deal found 6/21$319
This Mytrip deal was found by Cheapflights users on 6/23. 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.
mié. 7/910:25 amFCA - ORD
2 stops19h 39mMultiple Airlines
sáb. 7/127:49 pmORD - FCA
1 stop15h 01mMultiple Airlines
Deal found 6/23$326
This Delta deal was found by Cheapflights users on 6/22. 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.
sáb. 9/65:20 amFCA - STL
1 stop7h 09mDelta
sáb. 9/136:15 pmSTL - FCA
1 stop5h 52mDelta
Deal found 6/22$342
This American Airlines deal was found by Cheapflights users on 6/22. 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.
sáb. 10/41:28 pmFCA - MLI
1 stop5h 56mAmerican Airlines
mar. 10/76:00 amMLI - FCA
1 stop7h 35mAmerican Airlines
Deal found 6/22$349
This American Airlines deal was found by Cheapflights users on 6/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/43:49 pmFCA - PIA
1 stop6h 40mAmerican Airlines
mar. 10/76:00 amPIA - FCA
1 stop7h 35mAmerican Airlines
Deal found 6/20$349
This United Airlines deal was found by Cheapflights users on 6/22. 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.
sáb. 10/46:30 amFCA - MLI
2 stops7h 35mUnited Airlines
mar. 10/79:00 amMLI - FCA
1 stop5h 25mUnited Airlines
Deal found 6/22$354
This Delta deal was found by Cheapflights users on 6/23. 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.
sáb. 9/65:20 amFCA - ORD
1 stop5h 38mDelta
mar. 9/92:00 pmORD - FCA
2 stops10h 53mDelta
Deal found 6/23$363
This Delta deal was found by Cheapflights users on 6/23. 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.
sáb. 9/65:20 amFCA - MDW
2 stops11h 17mDelta
mar. 9/97:17 pmMDW - FCA
1 stop5h 36mDelta
Deal found 6/23$363
This Hawaiian Airlines deal was found by Cheapflights users on 6/20. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/38:02 pmFCA - ORD
1 stop9h 19mHawaiian Airlines
lun. 10/66:00 amORD - FCA
1 stop7h 22mHawaiian Airlines
Deal found 6/20$367

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 junio 23, 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

vie. 10/17

1:16 pm-5:42 pm

Nonstop3h 26m

Chicago O'Hare Intl

mar. 10/21

9:56 am-12:35 pm

Nonstop3h 39m

$191

KalispellChicago

FCA - ORD

FCAORD

Kalispell Glacier Park

vie. 10/17

6:35 pm-6:21 am

1 stop10h 46m

Chicago O'Hare Intl

mar. 10/21

6:00 am-12:22 pm

1 stop7h 22m

$240

KalispellChicago

FCA - ORD

FCAORD

Kalispell Glacier Park

vie. 10/17

2:31 pm-11:59 pm

1 stop8h 28m

Chicago O'Hare Intl

mar. 10/21

8:45 am-11:35 am

Nonstop3h 50m

$281

KalispellSt. Louis

FCA - STL

FCASTL

Kalispell Glacier Park

jue. 8/7

4:57 pm-11:51 pm

1 stop5h 54m

Lambert-St Louis

dom. 8/10

5:15 am-11:03 am

1 stop6h 48m

$319

KalispellChicago

FCA - ORD

FCAORD

Kalispell Glacier Park

mié. 7/9

10:25 am-7:04 am

2 stops19h 39m

Chicago O'Hare Intl

sáb. 7/12

7:49 pm-9:50 am

1 stop15h 01m

$326

KalispellSt. Louis

FCA - STL

FCASTL

Kalispell Glacier Park

sáb. 9/6

5:20 am-1:29 pm

1 stop7h 09m

Lambert-St Louis

sáb. 9/13

6:15 pm-11:07 pm

1 stop5h 52m

$342

KalispellMoline

FCA - MLI

FCAMLI

Kalispell Glacier Park

sáb. 10/4

1:28 pm-8:24 pm

1 stop5h 56m

Moline Quad-City

mar. 10/7

6:00 am-12:35 pm

1 stop7h 35m

$349

KalispellPeoria

FCA - PIA

FCAPIA

Kalispell Glacier Park

sáb. 10/4

3:49 pm-11:29 pm

1 stop6h 40m

Greater Peoria

mar. 10/7

6:00 am-12:35 pm

1 stop7h 35m

$349

KalispellMoline

FCA - MLI

FCAMLI

Kalispell Glacier Park

sáb. 10/4

6:30 am-3:05 pm

2 stops7h 35m

Moline Quad-City

mar. 10/7

9:00 am-1:25 pm

1 stop5h 25m

$354

KalispellChicago

FCA - ORD

FCAORD

Kalispell Glacier Park

sáb. 9/6

5:20 am-11:58 am

1 stop5h 38m

Chicago O'Hare Intl

mar. 9/9

2:00 pm-11:53 pm

2 stops10h 53m

$363

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/22

Showing 1-10 of 29 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 $320). 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 junio 23, 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 junio 23, 2025.

The most flights from FCA to USIL are scheduled on a Monday (6 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 junio 23, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta and Hawaiian Airlines from Kalispell to Illinois to help guide your decision. 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

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,966 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,520 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,831 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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?

    $111 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on American Airlines and Delta, with prices starting from $117 and $119, 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 - Lambert-St Louis.

  • 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: United Airlines (92%), Qatar Airways (53%), American Airlines (49%).

  • What are the cheapest flights from Kalispell to Illinois?

    Looking at all options, your cheapest flight can be booked for $151. While the most popular route (Kalispell Glacier Park - Chicago O'Hare Intl) can be booked for $240 on average our data indicates $772 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 $320). 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 junio 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$257Average$334FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$309Average$496FlexibilityNo cancel feeOn-time69%
DeltaCheapest$328Average$433FlexibilityNo cancel feeOn-timeN/A

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