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Cheap flights from Kalispell to Illinois from $120

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 2/20. 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.
Multiple Airlines Logo
9:06 pm - 12:12 pm
FCA
-
STL
14h 06m1 stop
Multiple Airlines Logo
12:37 pm - 8:16 pm
STL
-
FCA
8h 39m1 stop
$195Multiple Airlines
Thu, Jan 8 - Sun, Jan 11
Multiple Airlines Logo
9:06 pm - 12:12 pm
FCA
-
STL
14h 06m1 stop
Multiple Airlines Logo
12:37 pm - 8:16 pm
STL
-
FCA
8h 39m1 stop
$202Multiple Airlines
Thu, Jan 8 - Sun, Jan 11
Multiple Airlines Logo
9:06 pm - 12:12 pm
FCA
-
STL
14h 06m1 stop
Multiple Airlines Logo
12:37 pm - 8:16 pm
STL
-
FCA
8h 39m1 stop
$205Multiple Airlines
Thu, Jan 8 - Sun, Jan 11
Multiple Airlines Logo
9:06 pm - 12:12 pm
FCA
-
STL
14h 06m1 stop
Multiple Airlines Logo
12:37 pm - 8:16 pm
STL
-
FCA
8h 39m1 stop
$215Multiple Airlines
Thu, Jan 8 - Sun, Jan 11
United Airlines Logo
6:00 am - 1:16 pm
FCA
-
STL
6h 16m1 stop
United Airlines Logo
2:45 pm - 9:59 pm
STL
-
FCA
8h 14m1 stop
$252United Airlines
Thu, Jan 15 - Sun, Jan 18
Delta Logo
3:23 pm - 11:25 pm
FCA
-
STL
7h 02m1 stop
Delta Logo
5:00 pm - 11:18 pm
STL
-
FCA
7h 18m1 stop
$257Delta
Wed, Jan 14 - Sat, Jan 17
Delta Logo
3:23 pm - 11:25 pm
FCA
-
STL
7h 02m1 stop
Delta Logo
5:00 pm - 11:18 pm
STL
-
FCA
7h 18m1 stop
$263Delta
Fri, Jan 9 - Sat, Jan 10
Alaska Airlines Logo
5:04 pm - 9:25 pm
FCA
-
ORD
3h 21mnonstop
Alaska Airlines Logo
9:45 am - 12:25 pm
ORD
-
FCA
3h 40mnonstop
$329Alaska Airlines
Wed, Jun 10 - Mon, Jun 15
Alaska Airlines Logo
1:54 pm - 11:50 pm
FCA
-
ORD
8h 56m1 stop
Alaska Airlines Logo
3:35 pm - 11:58 pm
ORD
-
FCA
9h 23m1 stop
$338Alaska Airlines
Fri, Jan 30 - Tue, Feb 3
United Airlines Logo
12:35 pm - 5:03 pm
FCA
-
ORD
3h 28mnonstop
United Airlines Logo
5:15 am - 10:08 am
ORD
-
FCA
5h 53m1 stop
$369United Airlines
Wed, Jun 10 - Tue, Jun 16

Alaska Airlines flights from Kalispell to Illinois

Our best Alaska Airlines deals on Kalispell to Illinois flight tickets
Alaska Airlines
Jun 10
FCA5:04 pmKalispell Glacier Park
3h 21m
ORD9:25 pmChicago O'Hare Intl
Jun 15
ORD9:45 amChicago O'Hare Intl
3h 40m
FCA12:25 pmKalispell Glacier Park
$329
Find similar
Alaska Airlines
Jan 30
FCA1:54 pmKalispell Glacier Park
8h 56m
1 stop
ORD11:50 pmChicago O'Hare Intl
Feb 3
ORD3:35 pmChicago O'Hare Intl
9h 23m
1 stop
FCA11:58 pmKalispell Glacier Park
$338
Find similar
Alaska Airlines
Jan 10
FCA7:46 pmKalispell Glacier Park
16h 24m
2 stops
ORD1:10 pmChicago O'Hare Intl
Jan 17
ORD8:00 amChicago O'Hare Intl
12h 06m
1 stop
FCA7:06 pmKalispell Glacier Park
$341
Find similar

Delta flights from Kalispell to Illinois

Our best Delta deals on Kalispell to Illinois flight tickets
Delta
Jan 14
FCA3:23 pmKalispell Glacier Park
7h 02m
1 stop
STL11:25 pmLambert-St Louis
Jan 18
STL5:00 pmLambert-St Louis
7h 18m
1 stop
FCA11:18 pmKalispell Glacier Park
$257
Find similar
Delta
Jan 9
FCA3:23 pmKalispell Glacier Park
7h 02m
1 stop
STL11:25 pmLambert-St Louis
Jan 10
STL5:00 pmLambert-St Louis
7h 18m
1 stop
FCA11:18 pmKalispell Glacier Park
$263
Find similar
Delta
Jan 9
FCA3:23 pmKalispell Glacier Park
7h 02m
1 stop
STL11:25 pmLambert-St Louis
Jan 10
STL3:40 pmLambert-St Louis
8h 38m
2 stops
FCA11:18 pmKalispell Glacier Park
$268
Find similar

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 December 22, 2025.
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

KalispellSt. Louis

FCA - STL

FCASTL

Kalispell Glacier Park

Thu 1/8

9:06 pm-12:12 pm

1 stop14h 06m

Lambert-St Louis

Sun 1/11

12:37 pm-8:16 pm

1 stop8h 39m

$195

KalispellSt. Louis

FCA - STL

FCASTL

Kalispell Glacier Park

Thu 1/8

9:06 pm-12:12 pm

1 stop14h 06m

Lambert-St Louis

Sun 1/11

12:37 pm-8:16 pm

1 stop8h 39m

$202

KalispellSt. Louis

FCA - STL

FCASTL

Kalispell Glacier Park

Thu 1/8

9:06 pm-12:12 pm

1 stop14h 06m

Lambert-St Louis

Sun 1/11

12:37 pm-8:16 pm

1 stop8h 39m

$205

KalispellSt. Louis

FCA - STL

FCASTL

Kalispell Glacier Park

Thu 1/8

9:06 pm-12:12 pm

1 stop14h 06m

Lambert-St Louis

Sun 1/11

12:37 pm-8:16 pm

1 stop8h 39m

$215

KalispellSt. Louis

FCA - STL

FCASTL

Kalispell Glacier Park

Thu 1/15

6:00 am-1:16 pm

1 stop6h 16m

Lambert-St Louis

Sun 1/18

2:45 pm-9:59 pm

1 stop8h 14m

$252

KalispellSt. Louis

FCA - STL

FCASTL

Kalispell Glacier Park

Wed 1/14

3:23 pm-11:25 pm

1 stop7h 02m

Lambert-St Louis

Sat 1/17

5:00 pm-11:18 pm

1 stop7h 18m

$257

KalispellSt. Louis

FCA - STL

FCASTL

Kalispell Glacier Park

Fri 1/9

3:23 pm-11:25 pm

1 stop7h 02m

Lambert-St Louis

Sat 1/10

5:00 pm-11:18 pm

1 stop7h 18m

$263

KalispellChicago

FCA - ORD

FCAORD

Kalispell Glacier Park

Wed 6/10

5:04 pm-9:25 pm

Nonstop3h 21m

Chicago O'Hare Intl

Mon 6/15

9:45 am-12:25 pm

Nonstop3h 40m

$329

KalispellChicago

FCA - ORD

FCAORD

Kalispell Glacier Park

Fri 1/30

1:54 pm-11:50 pm

1 stop8h 56m

Chicago O'Hare Intl

Tue 2/3

3:35 pm-11:58 pm

1 stop9h 23m

$338

KalispellChicago

FCA - ORD

FCAORD

Kalispell Glacier Park

Wed 6/10

12:35 pm-5:03 pm

Nonstop3h 28m

Chicago O'Hare Intl

Tue 6/16

5:15 am-10:08 am

1 stop5h 53m

$369

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 $488. Flights from Kalispell to Illinois on a Sunday will generally be more expensive and average around $828. 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 $410. Flights in the morning are often more expensive with an average ticket price of $611.

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 36% 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

$193

Fastest flight time

3h 28m

Direct flights

Every day

Airports in Illinois

98 airports
The best one-way flight to Illinois from Kalispell in the past 72 hours is $193. The best round-trip flight deal from Kalispell to Illinois found on momondo in the last 72 hours is $534.
The fastest flight from Kalispell to Illinois takes 3h 28m
Direct flights go from Kalispell to Illinois every day.
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
11,052 reviews
Search American Airlines flights
DeltaPriceFrom $308Free CancellationRating
7.9
8,014 reviews
Search Delta flights
United AirlinesPriceFrom $309Free CancellationRating
7.4
9,102 reviews
Search United Airlines 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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