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Cheap flights from Kalispell to Illinois from $135

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kalispell to Illinois departing on 4/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Kalispell to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:00 am - 12:19 pm
FCA
-
ORD
6h 19m
1 stop
Delta Logo
6:15 am - 1:28 pm
ORD
-
FCA
8h 13m
1 stop
$269Delta
Thu, Mar 5 - Mon, Mar 30
Delta Logo
12:10 pm - 9:34 pm
FCA
-
ORD
8h 24m
1 stop
Delta Logo
8:50 am - 1:54 pm
ORD
-
FCA
6h 04m
1 stop
$279Delta
Wed, Apr 8 - Mon, Apr 13
Alaska Airlines Logo
7:53 pm - 1:51 pm
FCA
-
STL
16h 58m
1 stop
Alaska Airlines Logo
7:00 am - 7:46 pm
STL
-
FCA
13h 46m
1 stop
$297Alaska Airlines
Wed, Mar 11 - Wed, Mar 18
Alaska Airlines Logo
7:53 pm - 2:11 pm
FCA
-
ORD
17h 18m
1 stop
Alaska Airlines Logo
5:29 pm - 11:57 pm
ORD
-
FCA
7h 28m
1 stop
$309Alaska Airlines
Tue, Mar 10 - Tue, Mar 17
United Airlines Logo
2:33 pm - 11:28 pm
FCA
-
ORD
7h 55m
1 stop
United Airlines Logo
2:35 pm - 9:27 pm
ORD
-
FCA
7h 52m
1 stop
$330United Airlines
Thu, Apr 2 - Mon, Apr 6
Alaska Airlines Logo
7:53 pm - 1:11 pm
FCA
-
ORD
16h 18m
2 stops
Alaska Airlines Logo
5:29 pm - 11:57 pm
ORD
-
FCA
7h 28m
1 stop
$331Alaska Airlines
Tue, Mar 10 - Tue, Mar 17
United Airlines Logo
2:41 pm - 11:52 pm
FCA
-
ORD
8h 11m
1 stop
United Airlines Logo
8:40 am - 11:54 am
ORD
-
FCA
4h 14mnonstop
$337United Airlines
Thu, Mar 5 - Mon, Mar 30
Delta Logo
5:00 am - 6:59 pm
FCA
-
ORD
12h 59m
2 stops
Delta Logo
6:15 am - 1:28 pm
ORD
-
FCA
8h 13m
1 stop
$339Delta
Thu, Mar 5 - Mon, Mar 30
United Airlines Logo
2:41 pm - 10:55 pm
FCA
-
ORD
7h 14m
1 stop
United Airlines Logo
8:40 am - 11:54 am
ORD
-
FCA
4h 14mnonstop
$361United Airlines
Thu, Mar 5 - Mon, Mar 30
United Airlines Logo
2:33 pm - 11:57 pm
FCA
-
ORD
8h 24m
1 stop
United Airlines Logo
8:50 am - 11:41 am
ORD
-
FCA
3h 51mnonstop
$381United Airlines
Thu, May 7 - Thu, May 21

United Airlines flights from Kalispell to Illinois

Our best United Airlines deals on Kalispell to Illinois flight tickets
United Airlines
Apr 2
FCA2:33 pmKalispell Glacier Park
7h 55m
1 stop
ORD11:28 pmChicago O'Hare Intl
Apr 6
ORD2:35 pmChicago O'Hare Intl
7h 52m
1 stop
FCA9:27 pmKalispell Glacier Park
$330
United Airlines
Mar 5
FCA2:41 pmKalispell Glacier Park
8h 11m
1 stop
ORD11:52 pmChicago O'Hare Intl
Mar 30
ORD8:40 amChicago O'Hare Intl
4h 14m
FCA11:54 amKalispell Glacier Park
$337
United Airlines
Mar 5
FCA2:41 pmKalispell Glacier Park
7h 14m
1 stop
ORD10:55 pmChicago O'Hare Intl
Mar 30
ORD8:40 amChicago O'Hare Intl
4h 14m
FCA11:54 amKalispell Glacier Park
$361

American Airlines flights from Kalispell to Illinois

Our best American Airlines deals on Kalispell to Illinois flight tickets
American Airlines
Aug 5
FCA1:25 pmKalispell Glacier Park
3h 28m
ORD5:53 pmChicago O'Hare Intl
Aug 12
ORD9:50 amChicago O'Hare Intl
3h 44m
FCA12:34 pmKalispell Glacier Park
$419
American Airlines
Aug 5
FCA1:25 pmKalispell Glacier Park
3h 28m
ORD5:53 pmChicago O'Hare Intl
Aug 12
ORD6:00 amChicago O'Hare Intl
9h 37m
1 stop
FCA2:37 pmKalispell Glacier Park
$473
American Airlines
Aug 1
FCA4:48 pmKalispell Glacier Park
3h 42m
ORD9:30 pmChicago O'Hare Intl
Aug 8
ORD1:35 pmChicago O'Hare Intl
3h 39m
FCA4:14 pmKalispell Glacier Park
$638

momondo 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, momondo users made 832,500 searches. Data last updated February 10, 2026.
Use the filters below to find and compare flights from Kalispell to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KalispellChicago

FCA - ORD

FCAORD

Kalispell Glacier Park

Thu 3/5

5:00 am-12:19 pm

1 stop6h 19m

Chicago O'Hare Intl

Mon 3/30

6:15 am-1:28 pm

1 stop8h 13m

$269

KalispellChicago

FCA - ORD

FCAORD

Kalispell Glacier Park

Wed 4/8

12:10 pm-9:34 pm

1 stop8h 24m

Chicago O'Hare Intl

Mon 4/13

8:50 am-1:54 pm

1 stop6h 04m

$279

KalispellSt. Louis

FCA - STL

FCASTL

Kalispell Glacier Park

Wed 3/11

7:53 pm-1:51 pm

1 stop16h 58m

Lambert-St Louis

Wed 3/18

7:00 am-7:46 pm

1 stop13h 46m

$297

KalispellChicago

FCA - ORD

FCAORD

Kalispell Glacier Park

Tue 3/10

7:53 pm-2:11 pm

1 stop17h 18m

Chicago O'Hare Intl

Tue 3/17

5:29 pm-11:57 pm

1 stop7h 28m

$309

KalispellChicago

FCA - ORD

FCAORD

Kalispell Glacier Park

Thu 4/2

2:33 pm-11:28 pm

1 stop7h 55m

Chicago O'Hare Intl

Mon 4/6

2:35 pm-9:27 pm

1 stop7h 52m

$330

KalispellChicago

FCA - ORD

FCAORD

Kalispell Glacier Park

Tue 3/10

7:53 pm-1:11 pm

2 stops16h 18m

Chicago O'Hare Intl

Tue 3/17

5:29 pm-11:57 pm

1 stop7h 28m

$331

KalispellChicago

FCA - ORD

FCAORD

Kalispell Glacier Park

Thu 3/5

2:41 pm-11:52 pm

1 stop8h 11m

Chicago O'Hare Intl

Mon 3/30

8:40 am-11:54 am

Nonstop4h 14m

$337

KalispellChicago

FCA - ORD

FCAORD

Kalispell Glacier Park

Thu 3/5

5:00 am-6:59 pm

2 stops12h 59m

Chicago O'Hare Intl

Mon 3/30

6:15 am-1:28 pm

1 stop8h 13m

$339

KalispellChicago

FCA - ORD

FCAORD

Kalispell Glacier Park

Thu 3/5

2:41 pm-10:55 pm

1 stop7h 14m

Chicago O'Hare Intl

Mon 3/30

8:40 am-11:54 am

Nonstop4h 14m

$361

KalispellChicago

FCA - ORD

FCAORD

Kalispell Glacier Park

Thu 5/7

2:33 pm-11:57 pm

1 stop8h 24m

Chicago O'Hare Intl

Thu 5/21

8:50 am-11:41 am

Nonstop3h 51m

$381

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Illinois from

How to get the cheapest flight ticket from Kalispell to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from Kalispell to Illinois is on a Friday when prices can be found for as low as $485. Flights from Kalispell to Illinois on a Sunday will generally be more expensive and average around $839. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the afternoon. Flights from Kalispell to Illinois during this time can be as low as $412. Flights in the morning are often more expensive with an average ticket price of $617.

What is the cheapest Kalispell Glacier Park to Illinois flight route?

Fly from Kalispell Glacier Park to Chicago O'Hare Intl for the best Kalispell Glacier Park - Illinois flight prices

What cabin class options are available on Kalispell Glacier Park to Illinois flights?

There are 4 cabin classes available to choose from on Kalispell Glacier Park to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Kalispell to Illinois flights?

You could potentially save up to 46% on your flight if you consider stops on a Kalispell to Illinois flight.

Cheap Kalispell to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kalispell to Illinois

Best Price Found

$263

Fastest flight time

3h 28m

Direct flights

Mon, Tue, Wed, Fri, Sat and Sun

Airports in Illinois

98 airports
The best one-way flight to Illinois from Kalispell in the past 72 hours is $263. The best round-trip flight deal from Kalispell to Illinois found on momondo in the last 72 hours is $510.
The fastest flight from Kalispell to Illinois takes 3h 28m
Direct flights go from Kalispell to Illinois on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There are 98 airports in Illinois. From Kalispell there are direct flights to Chicago O'Hare Intl (ORD).
Search flight deals

  • When did momondo last update prices for flights from Kalispell Glacier Park Airport to Illinois?

    Prices for flights from Kalispell Glacier Park Airport to Illinois are updated daily.

  • How many operators does momondo search for flights from Kalispell Glacier Park Airport to Illinois?

  • How old do you have to be to fly from Kalispell Glacier Park Airport to Illinois?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Kalispell Glacier Park Airport to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Kalispell to Illinois?

Best airlines flying from Kalispell to Illinois

Compare and see reviews for airlines that fly from Kalispell to Illinois with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $191Free CancellationRating
7.2
11,258 reviews
Search American Airlines flights
United AirlinesPriceFrom $298Free CancellationRating
7.4
9,262 reviews
Search United Airlines flights
DeltaPriceFrom $308Free CancellationRating
7.9
8,176 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Kalispell to Illinois?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Kalispell to Illinois for you.

Can I find flights from Kalispell to Illinois with flexible booking policies on momondo?

momondo does allow users to show only those flights to Illinois from Kalispell which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Kalispell to Illinois?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Kalispell to Illinois.

I’m not ready to book a flight from Kalispell to Illinois right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Kalispell to Illinois flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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