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$123+ 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 6/24. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — ORD
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
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 March 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$287
(Delta)

One-way from

$123
(Delta)

Popular in

February

Cheapest in

January

Average price

$594

Good round-trip deal

$570 or less

Good one-way deal

$254 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. 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 ($21 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 26, 2025.

This Delta deal was found by Cheapflights users on 3/25. 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 6/45:25 amFCA - ORD
1 stop6h 18mDelta
Sat 6/74:30 pmORD - FCA
1 stop8h 04mDelta
Deal found 3/25$287
This American Airlines deal was found by Cheapflights users on 3/25. 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 9/2511:41 amFCA - ORD
Nonstop3h 24mAmerican Airlines
Mon 9/298:05 amORD - FCA
Nonstop3h 38mAmerican Airlines
Deal found 3/25$309
This American Airlines deal was found by Cheapflights users on 3/25. 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 6/61:17 pmFCA - STL
1 stop6h 13mAmerican Airlines
Mon 6/97:20 amSTL - FCA
1 stop9h 49mAmerican Airlines
Deal found 3/25$315
This Alaska Airlines deal was found by Cheapflights users on 3/25. 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 6/44:19 pmFCA - ORD
1 stop6h 37mAlaska Airlines
Sat 6/77:00 amORD - FCA
2 stops11h 52mAlaska Airlines
Deal found 3/25$334
This Hawaiian Airlines deal was found by Cheapflights users on 3/25. 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.
Wed 5/142:15 pmFCA - ORD
1 stop8h 44mHawaiian Airlines
Sun 5/187:00 amORD - FCA
1 stop7h 00mHawaiian Airlines
Deal found 3/25$341
This Delta deal was found by Cheapflights users on 3/24. 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 5/35:25 amFCA - MDW
2 stops7h 57mDelta
Mon 5/53:02 pmMDW - FCA
2 stops10h 20mDelta
Deal found 3/24$358
This Sun Country Air deal was found by Cheapflights users on 3/25. 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.
Sat 6/2811:11 amFCA - ORD
1 stop8h 28mSun Country Air
Sun 7/68:10 pmORD - FCA
1 stop14h 09mSun Country Air
Deal found 3/25$360
This United deal was found by Cheapflights users on 3/26. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/295:08 pmFCA - ORD
1 stop6h 17mUnited Airlines
Sun 6/15:02 amORD - FCA
1 stop6h 01mUnited Airlines
Deal found 3/26$389
This United deal was found by Cheapflights users on 3/26. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/65:08 pmFCA - STL
1 stop5h 51mUnited Airlines
Mon 6/95:55 pmSTL - FCA
2 stops20h 26mUnited Airlines
Deal found 3/26$527

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 March 26, 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

Wed 6/4

5:25 am-12:43 pm

1 stop6h 18m

Chicago O'Hare Intl

Sat 6/7

4:30 pm-11:34 pm

1 stop8h 04m

$287

KalispellSt. Louis

FCA - STL

FCASTL

Kalispell Glacier Park

Fri 6/6

1:17 pm-8:30 pm

1 stop6h 13m

Lambert-St Louis

Mon 6/9

7:20 am-4:09 pm

1 stop9h 49m

$315

KalispellChicago

FCA - ORD

FCAORD

Kalispell Glacier Park

Wed 7/16

4:53 pm-9:17 pm

Nonstop3h 24m

Chicago O'Hare Intl

Mon 7/21

1:31 pm-4:11 pm

Nonstop3h 40m

$326

KalispellChicago

FCA - ORD

FCAORD

Kalispell Glacier Park

Wed 6/4

4:19 pm-11:56 pm

1 stop6h 37m

Chicago O'Hare Intl

Sat 6/7

7:00 am-5:52 pm

2 stops11h 52m

$334

KalispellChicago

FCA - ORD

FCAORD

Kalispell Glacier Park

Wed 5/14

2:15 pm-11:59 pm

1 stop8h 44m

Chicago O'Hare Intl

Sun 5/18

7:00 am-1:00 pm

1 stop7h 00m

$341

KalispellChicago

FCA - MDW

FCAMDW

Kalispell Glacier Park

Sat 5/3

5:25 am-2:22 pm

2 stops7h 57m

Chicago Midway

Mon 5/5

3:02 pm-12:22 am

2 stops10h 20m

$358

KalispellChicago

FCA - ORD

FCAORD

Kalispell Glacier Park

Sat 6/28

11:11 am-8:39 pm

1 stop8h 28m

Chicago O'Hare Intl

Sun 7/6

8:10 pm-9:19 am

1 stop14h 09m

$360

KalispellChicago

FCA - ORD

FCAORD

Kalispell Glacier Park

Thu 5/29

5:08 pm-12:25 am

1 stop6h 17m

Chicago O'Hare Intl

Sun 6/1

5:02 am-10:03 am

1 stop6h 01m

$389

KalispellSt. Louis

FCA - STL

FCASTL

Kalispell Glacier Park

Fri 6/6

5:08 pm-11:59 pm

1 stop5h 51m

Lambert-St Louis

Mon 6/9

5:55 pm-1:21 pm

2 stops20h 26m

$527

KalispellChicago

FCA - ORD

FCAORD

Kalispell Glacier Park

Tue 6/24

5:30 am-11:53 am

1 stop5h 23m

$123

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 21 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 $323). 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 March 26, 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 March 26, 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
9,789 reviews

Overall

8.0

Comfort

7.9

Food

7.1

Crew

8.5

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,789 reviews
Alaska Airlines
8.0
Very good
9,789 reviews

Overall

8.0

Comfort

7.9

Food

7.1

Crew

8.5

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,891 reviews
Alaska Airlines
8.0
Very good
9,789 reviews

Overall

8.0

Comfort

7.9

Food

7.1

Crew

8.5

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,330 reviews
Alaska Airlines
8.0
Very good
9,789 reviews

Overall

8.0

Comfort

7.9

Food

7.1

Crew

8.5

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,608 reviews
Alaska Airlines
8.0
Very good
9,789 reviews

Overall

8.0

Comfort

7.9

Food

7.1

Crew

8.5

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,789 reviews

Overall

8.0

Comfort

7.9

Food

7.1

Crew

8.5

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 $153, 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 $191. While the most popular route (Kalispell Glacier Park - Chicago O'Hare Intl) can be booked for $287 on average our data indicates $483 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 $323). 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 March 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$297Average$374FlexibilityNo cancel feeOn-time71%
DeltaCheapest$328Average$418FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$369Average$468FlexibilityNo cancel feeOn-time69%
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