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$122+ 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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — ORD
may. 4 — may. 111
dom. 5/4
dom. 5/11
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 abril 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$211
(American Airlines)

One-way from

$123
(Delta)

Popular in

February

Cheapest in

January

Average price

$413

Good round-trip deal

$419 or less

Good one-way deal

$255 or less
Provider with most accurate pricing for Kalispell Glacier Park-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Kalispell Glacier Park-Chicago (CHI) flights.
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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. 16% potential increase in price ($91 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in April 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 abril 29, 2025.

This American Airlines deal was found by Cheapflights users on 4/28. 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.
jue. 9/254:53 pmFCA - ORD
Nonstop3h 24mAmerican Airlines
lun. 9/299:56 amORD - FCA
Nonstop3h 39mAmerican Airlines
Deal found 4/28$211
This Delta deal was found by Cheapflights users on 4/28. 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.
mié. 7/231:39 pmFCA - ORD
1 stop7h 29mDelta
lun. 7/287:20 pmORD - FCA
1 stop6h 05mDelta
Deal found 4/28$245
This Delta deal was found by Cheapflights users on 4/28. 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.
vie. 8/157:15 amFCA - MDW
2 stops10h 13mDelta
lun. 8/186:45 pmMDW - FCA
1 stop6h 02mDelta
Deal found 4/28$275
This Hawaiian Airlines deal was found by Cheapflights users on 4/28. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/44:19 pmFCA - ORD
1 stop6h 37mHawaiian Airlines
sáb. 6/75:58 pmORD - FCA
1 stop7h 00mHawaiian Airlines
Deal found 4/28$276
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/255:15 pmFCA - ORD
1 stop5h 44mUnited Airlines
lun. 9/298:45 amORD - FCA
Nonstop3h 50mUnited Airlines
Deal found 4/28$301
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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.
vie. 5/236:32 pmFCA - ORD
1 stop21h 30mAlaska Airlines
mar. 5/277:51 pmORD - FCA
1 stop20h 48mAlaska Airlines
Deal found 4/29$304
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/315:25 amFCA - STL
1 stop7h 09mDelta
mié. 6/47:19 pmSTL - FCA
1 stop6h 11mDelta
Deal found 4/29$305
This Sun Country Air deal was found by Cheapflights users on 4/28. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 6/2810:53 amFCA - ORD
1 stop8h 46mSun Country Air
dom. 7/66:15 pmORD - FCA
1 stop17h 14mSun Country Air
Deal found 4/28$338
This American Airlines deal was found by Cheapflights users on 4/29. 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.
jue. 6/51:10 pmFCA - MLI
1 stop9h 32mAmerican Airlines
lun. 6/96:34 pmMLI - FCA
1 stop22h 35mAmerican Airlines
Deal found 4/29$393
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/512:40 pmFCA - MLI
1 stop22h 02mUnited Airlines
lun. 6/95:35 pmMLI - FCA
2 stops20h 55mUnited Airlines
Deal found 4/29$538
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 6/134:15 pmFCA - STL
3 stops29h 30mUnited Airlines
vie. 6/205:00 amSTL - FCA
2 stops11h 34mUnited Airlines
Deal found 4/29$661

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 abril 29, 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

jue. 9/25

4:53 pm-9:17 pm

Nonstop3h 24m

Chicago O'Hare Intl

lun. 9/29

9:56 am-12:35 pm

Nonstop3h 39m

$211

KalispellChicago

FCA - ORD

FCAORD

Kalispell Glacier Park

mié. 7/23

1:39 pm-10:08 pm

1 stop7h 29m

Chicago O'Hare Intl

lun. 7/28

7:20 pm-12:25 am

1 stop6h 05m

$245

KalispellChicago

FCA - MDW

FCAMDW

Kalispell Glacier Park

vie. 8/15

7:15 am-6:28 pm

2 stops10h 13m

Chicago Midway

lun. 8/18

6:45 pm-11:47 pm

1 stop6h 02m

$275

KalispellChicago

FCA - ORD

FCAORD

Kalispell Glacier Park

mié. 6/4

4:19 pm-11:56 pm

1 stop6h 37m

Chicago O'Hare Intl

sáb. 6/7

5:58 pm-11:58 pm

1 stop7h 00m

$276

KalispellChicago

FCA - ORD

FCAORD

Kalispell Glacier Park

jue. 9/25

5:15 pm-11:59 pm

1 stop5h 44m

Chicago O'Hare Intl

lun. 9/29

8:45 am-11:35 am

Nonstop3h 50m

$301

KalispellChicago

FCA - ORD

FCAORD

Kalispell Glacier Park

vie. 5/23

6:32 pm-5:02 pm

1 stop21h 30m

Chicago O'Hare Intl

mar. 5/27

7:51 pm-3:39 pm

1 stop20h 48m

$304

KalispellSt. Louis

FCA - STL

FCASTL

Kalispell Glacier Park

sáb. 5/31

5:25 am-1:34 pm

1 stop7h 09m

Lambert-St Louis

mié. 6/4

7:19 pm-12:30 am

1 stop6h 11m

$305

KalispellChicago

FCA - ORD

FCAORD

Kalispell Glacier Park

sáb. 6/28

10:53 am-8:39 pm

1 stop8h 46m

Chicago O'Hare Intl

dom. 7/6

6:15 pm-10:29 am

1 stop17h 14m

$338

KalispellMoline

FCA - MLI

FCAMLI

Kalispell Glacier Park

jue. 6/5

1:10 pm-11:42 pm

1 stop9h 32m

Moline Quad-City

lun. 6/9

6:34 pm-4:09 pm

1 stop22h 35m

$393

KalispellMoline

FCA - MLI

FCAMLI

Kalispell Glacier Park

jue. 6/5

12:40 pm-11:42 am

1 stop22h 02m

Moline Quad-City

lun. 6/9

5:35 pm-1:30 pm

2 stops20h 55m

$538

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 22 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 abril 29, 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.

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 abril 29, 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
9,961 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

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
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

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
7,936 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,402 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

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
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Allegiant Air
7.3
Good
734 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

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?

    $123 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on American Airlines and Sun Country Air, with prices starting from $138 and $143, 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 cheapest flights from Kalispell to Illinois?

    Looking at all options, your cheapest flight can be booked for $200. While the most popular route (Kalispell Glacier Park - Chicago O'Hare Intl) can be booked for $245 on average our data indicates $780 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.

See more FAQs

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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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Kalispell to O'Hare Intl flights
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Billings to Portland flights
Kalispell to Denver flights
Bozeman to Baltimore flights
Bozeman to San Diego flights
Billings to Minneapolis flights
Billings to Dulles Intl flights
Bozeman to Midway flights
Bozeman to Milwaukee flights
Bozeman to Sky Harbor Intl flights
Missoula to Salt Lake City flights
Bozeman to Dallas/Fort Worth flights

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 abril 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$257Average$337FlexibilityNo cancel feeOn-time71%
DeltaCheapest$328Average$433FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$345Average$491FlexibilityNo cancel feeOn-time69%

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