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Cheap flights from Illinois to Kalispell from $119

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Kalispell departing on 10/28. 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 Illinois to Kalispell

Cheap round-trip flights

Alaska Airlines Logo
3:57 pm - 11:58 pmSTL-FCA
9h 01m1 stop
Alaska Airlines Logo
2:37 pm - 12:03 amFCA-STL
8h 26m1 stop
$228Alaska Airlines
Find Deal
Tue, Oct 21 - Thu, Oct 23
Delta Logo
10:45 am - 11:07 pmSTL-FCA
13h 22m2 stops
Delta Logo
3:00 pm - 11:10 pmFCA-STL
7h 10m1 stop
$262Delta
Find Deal
Wed, Jan 14 - Wed, Jan 21
American Airlines Logo
9:55 am - 12:43 pmORD-FCA
3h 48mnonstop
American Airlines Logo
1:08 pm - 5:44 pmFCA-ORD
3h 36mnonstop
$269American Airlines
Find Deal
Tue, Oct 28 - Sat, Nov 1
United Airlines Logo
8:45 am - 11:35 amORD-FCA
3h 50mnonstop
United Airlines Logo
12:41 pm - 5:10 pmFCA-ORD
3h 29mnonstop
$271United Airlines
Find Deal
Sun, Oct 19 - Thu, Oct 23
United Airlines Logo
7:10 am - 1:25 pmORD-FCA
7h 15m1 stop
United Airlines Logo
12:41 pm - 5:10 pmFCA-ORD
3h 29mnonstop
$279United Airlines
Find Deal
Wed, Oct 15 - Sat, Oct 18
United Airlines Logo
5:01 am - 10:09 amORD-FCA
6h 08m1 stop
United Airlines Logo
12:41 pm - 5:10 pmFCA-ORD
3h 29mnonstop
$281United Airlines
Find Deal
Sun, Oct 19 - Thu, Oct 23
Delta Logo
8:57 am - 2:29 pmORD-FCA
6h 32m1 stop
Delta Logo
3:24 pm - 9:19 pmFCA-ORD
4h 55m1 stop
$289Delta
Find Deal
Tue, Oct 28 - Sat, Nov 1
Alaska Airlines Logo
10:05 am - 5:55 pmORD-FCA
8h 50m1 stop
Alaska Airlines Logo
6:31 am - 5:03 pmFCA-ORD
9h 32m1 stop
$290Alaska Airlines
Find Deal
Sat, Oct 11 - Sat, Oct 18
Multiple Airlines Logo
6:35 am - 4:58 pmORD-FCA
11h 23m1 stop
Multiple Airlines Logo
5:48 pm - 11:44 pmFCA-ORD
28h 56m2 stops
$326Multiple Airlines
Find Deal
Thu, Oct 23 - Sun, Oct 26
Multiple Airlines Logo
6:35 am - 4:58 pmORD-FCA
11h 23m1 stop
Multiple Airlines Logo
5:48 pm - 12:17 amFCA-ORD
29h 29m1 stop
$334Multiple Airlines
Find Deal
Thu, Oct 23 - Sun, Oct 26

United Airlines flights from Illinois to Kalispell

Our best United Airlines deals on Illinois to Kalispell flight tickets
United Airlines
Oct 19
ORD8:45 amChicago O'Hare Intl
3h 50m
FCA11:35 amKalispell Glacier Park
Oct 23
FCA12:41 pmKalispell Glacier Park
3h 29m
ORD5:10 pmChicago O'Hare Intl
$271
Find similar
United Airlines
Oct 15
ORD7:10 amChicago O'Hare Intl
7h 15m
1 stop
FCA1:25 pmKalispell Glacier Park
Oct 18
FCA12:41 pmKalispell Glacier Park
3h 29m
ORD5:10 pmChicago O'Hare Intl
$279
Find similar
United Airlines
Oct 19
ORD5:01 amChicago O'Hare Intl
6h 08m
1 stop
FCA10:09 amKalispell Glacier Park
Oct 23
FCA12:41 pmKalispell Glacier Park
3h 29m
ORD5:10 pmChicago O'Hare Intl
$281
Find similar

Delta flights from Illinois to Kalispell

Our best Delta deals on Illinois to Kalispell flight tickets
Delta
Jan 14
STL10:45 amLambert-St Louis
13h 22m
2 stops
FCA11:07 pmKalispell Glacier Park
Jan 21
FCA3:00 pmKalispell Glacier Park
7h 10m
1 stop
STL11:10 pmLambert-St Louis
$262
Find similar
Delta
Oct 28
ORD8:57 amChicago O'Hare Intl
6h 32m
1 stop
FCA2:29 pmKalispell Glacier Park
Nov 1
FCA3:24 pmKalispell Glacier Park
4h 55m
1 stop
ORD9:19 pmChicago O'Hare Intl
$289
Find similar
Delta
Nov 4
STL8:53 amLambert-St Louis
6h 36m
1 stop
FCA2:29 pmKalispell Glacier Park
Nov 8
FCA3:24 pmKalispell Glacier Park
6h 43m
1 stop
STL11:07 pmLambert-St Louis
$291
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Kalispell 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 September 25, 2025.
Use the filters below to find and compare flights from Illinois to Kalispell that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Tue 10/21

3:57 pm-11:58 pm

1 stop9h 01m

Kalispell Glacier Park

Thu 10/23

2:37 pm-12:03 am

1 stop8h 26m

$228

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Wed 1/14

10:45 am-11:07 pm

2 stops13h 22m

Kalispell Glacier Park

Wed 1/21

3:00 pm-11:10 pm

1 stop7h 10m

$262

ChicagoKalispell

ORD - FCA

ORDFCA

Chicago O'Hare Intl

Tue 10/28

9:55 am-12:43 pm

Nonstop3h 48m

Kalispell Glacier Park

Sat 11/1

1:08 pm-5:44 pm

Nonstop3h 36m

$269

ChicagoKalispell

ORD - FCA

ORDFCA

Chicago O'Hare Intl

Sun 10/19

8:45 am-11:35 am

Nonstop3h 50m

Kalispell Glacier Park

Thu 10/23

12:41 pm-5:10 pm

Nonstop3h 29m

$271

ChicagoKalispell

ORD - FCA

ORDFCA

Chicago O'Hare Intl

Wed 10/15

7:10 am-1:25 pm

1 stop7h 15m

Kalispell Glacier Park

Sat 10/18

12:41 pm-5:10 pm

Nonstop3h 29m

$279

ChicagoKalispell

ORD - FCA

ORDFCA

Chicago O'Hare Intl

Sun 10/19

5:01 am-10:09 am

1 stop6h 08m

Kalispell Glacier Park

Thu 10/23

12:41 pm-5:10 pm

Nonstop3h 29m

$281

ChicagoKalispell

ORD - FCA

ORDFCA

Chicago O'Hare Intl

Tue 10/28

8:57 am-2:29 pm

1 stop6h 32m

Kalispell Glacier Park

Sat 11/1

3:24 pm-9:19 pm

1 stop4h 55m

$289

ChicagoKalispell

ORD - FCA

ORDFCA

Chicago O'Hare Intl

Sat 10/11

10:05 am-5:55 pm

1 stop8h 50m

Kalispell Glacier Park

Sat 10/18

6:31 am-5:03 pm

1 stop9h 32m

$290

ChicagoKalispell

ORD - FCA

ORDFCA

Chicago O'Hare Intl

Thu 10/23

6:35 am-4:58 pm

1 stop11h 23m

Kalispell Glacier Park

Sun 10/26

5:48 pm-11:44 pm

2 stops28h 56m

$326

ChicagoKalispell

ORD - FCA

ORDFCA

Chicago O'Hare Intl

Thu 10/23

6:35 am-4:58 pm

1 stop11h 23m

Kalispell Glacier Park

Sun 10/26

5:48 pm-12:17 am

1 stop29h 29m

$334

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 Kalispell from

How to get the cheapest flight ticket from Illinois to Kalispell

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 month to fly to Kalispell?

The month of May is, on average, the cheapest month to fly to Kalispell from Illinois, with most prices found around $381. If you aren’t able to travel to Kalispell during the month of May, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $384.

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

The cheapest day to depart from Illinois to Kalispell is on a Monday. Travelers who choose to depart for Kalispell on a Monday will often find tickets for as low as $390. The most expensive day to fly to Kalispell is Saturday, with ticket prices averaging around $503.

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

According to our data, the cheapest time of day to fly to Kalispell is at noon. momondo users have found flights departing from Illinois to Kalispell at noon for as low as $411. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Kalispell, so prices are often more expensive at around $547 per ticket.

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

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

How far in advance should I book a flight to Kalispell?

You are more likely to see cheaper flights to Kalispell from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Kalispell for around $457 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kalispell from Illinois for as low as $328 on momondo.

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

There are 4 cabin classes available to choose from on Illinois to Kalispell Glacier Park 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 Illinois to Kalispell flights?

You could potentially save up to 51% on your flight if you consider stops on a Illinois to Kalispell flight.

Cheap Illinois to Kalispell flight deals and tips

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

Best Price Found

$275

Fastest flight time

3h 38m

Direct flights

Every day

Airports in Kalispell

1 airport
The best one-way flight to Kalispell from Illinois in the past 72 hours is $275. The best round-trip flight deal from Illinois to Kalispell found on momondo in the last 72 hours is $345.
The fastest flight from Illinois to Kalispell takes 3h 38m
Direct flights go from Illinois to Kalispell every day.
There is 1 airport near Kalispell: Kalispell Glacier Park (FCA)
Search flight deals

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

    Prices for flights from Illinois to Kalispell Glacier Park Airport were last updated today.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois to Kalispell Glacier Park Airport.

  • What documentation or ID do you need to fly to Kalispell Glacier Park Airport?

    The travel and health documents you'll need for your trip to Kalispell Glacier Park Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Kalispell Glacier Park Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Illinois to Kalispell

Compare and see reviews for airlines that fly from Illinois to Kalispell with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $268Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $272Free CancellationRating
7.9
7,973 reviews
Search Delta flights
United AirlinesPriceFrom $319Free CancellationRating
7.4
8,928 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $426Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights

Traveling to a place near Kalispell?

Book flights to Kalispell if you plan to visit one of these locations
Whitefish
Polson
Columbia Falls
East Glacier Park
Essex
Eureka
Cut Bank

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Illinois to Kalispell. momondo saves you time and could save you money on your trip.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Kalispell from Illinois.

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

Price alerts on flights to Kalispell from Illinois are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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