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Cheap flights from Montana to Illinois from $128

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montana to Illinois departing on 1/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Montana to Illinois

Cheap round-trip flights

These are some of the best round-trip flight deals from Montana to Illinois that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Montana to Illinois.

Cheap last minute flights

Planning a quick getaway from Montana to Illinois? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Illinois, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Montana to Illinois

Find recent round-trip train or bus tickets from Montana to Illinois.

All round-trip flight deals to Illinois

The cheapest plane tickets to Illinois found on KAYAK recently.
5:34 pm - 12:53 amMSO-ORD
6h 19m1 stop
6:20 am - 1:50 pmORD-MSO
8h 30m1 stop
Mon, Nov 4 - Sun, Nov 10
2:38 pm - 11:59 pmMSO-ORD
8h 21m1 stop
7:45 am - 1:42 pmORD-MSO
6h 57m1 stop
$268Alaska Airlines
Find Deal
Fri, Jan 31 - Mon, Feb 3
8:00 am - 2:55 pmMSO-ORD
5h 55m1 stop
12:30 pm - 12:39 amORD-MSO
13h 09m2 stops
$273Delta
Find Deal
Fri, Jan 31 - Mon, Feb 3
6:35 pm - 12:37 amBIL-STL
5h 02m1 stop
6:59 pm - 12:16 amSTL-BIL
6h 17m1 stop
$278Delta
Find Deal
Mon, Apr 7 - Tue, Apr 15
2:35 pm - 11:59 pmMSO-ORD
8h 24m1 stop
7:10 am - 1:32 pmORD-MSO
7h 22m1 stop
$285United Airlines
Find Deal
Wed, Jan 15 - Sun, Jan 19
7:00 am - 4:34 pmBIL-STL
8h 34m1 stop
1:36 pm - 9:31 pmSTL-BIL
8h 55m1 stop
$306American Airlines
Find Deal
Thu, Dec 5 - Sun, Dec 8
2:33 pm - 8:45 pmMSO-STL
5h 12m1 stop
4:31 pm - 10:00 pmSTL-MSO
6h 29m1 stop
$330United Airlines
Find Deal
Sat, Nov 9 - Sat, Dec 14
1:19 pm - 11:35 pmMSO-ORD
9h 16m1 stop
6:00 am - 1:03 pmORD-MSO
8h 03m1 stop
$333American Airlines
Find Deal
Sun, Nov 3 - Fri, Nov 8
5:35 am - 3:00 pmBZN-MDW
8h 25m1 stop
5:20 am - 11:05 amMDW-BZN
6h 45m1 stop
$400Southwest
Find Deal
Fri, Feb 21 - Sun, Feb 23
11:50 am - 9:45 pmBZN-MDW
8h 55m1 stop
7:55 am - 5:40 pmMDW-BZN
10h 45m2 stops
$405Southwest
Find Deal
Fri, Feb 21 - Sun, Feb 23
6:00 am - 1:20 pmBZN-MDW
6h 20m1 stop
$128Delta
Find Deal
Wed, Jan 22
3:20 pm - 11:53 pmBZN-ORD
7h 33m1 stop
$128Delta
Find Deal
Thu, Dec 19
2:38 pm - 11:59 pmMSO-ORD
8h 21m1 stop
$134Alaska Airlines
Find Deal
Tue, Jan 21
2:00 pm - 6:06 pmBZN-ORD
3h 06mnonstop
$139American Airlines
Find Deal
Thu, Dec 19
12:34 pm - 5:30 amBIL-ORD
15h 56m1 stop
Wed, Dec 11
6:35 pm - 2:03 pmMSO-ORD
18h 28m1 stop
$140Alaska Airlines
Find Deal
Mon, Jan 20
1:38 pm - 11:09 pmMSO-ORD
8h 31m1 stop
$177American Airlines
Find Deal
Thu, Dec 19
5:11 pm - 9:20 pmBZN-ORD
27h 09m2 stops
Mon, Oct 28
10:45 am - 11:20 pmBIL-ORD
11h 35m2 stops
$254United Airlines
Find Deal
Mon, Nov 18
4:15 pm - 11:57 pmBZN-ORD
6h 42m1 stop
$259United Airlines
Find Deal
Sat, Mar 29
4:03 pm - 11:59 pmBZN-ORD
6h 56m1 stop
6:20 am - 3:09 pmORD-BZN
9h 49m1 stop
$570Alaska Airlines
Find Deal
Thu, Oct 24 - Sun, Oct 27
7:00 am - 5:10 pmBZN-ORD
9h 10m2 stops
8:07 pm - 10:27 pmORD-BZN
3h 20mnonstop
$617United Airlines
Find Deal
Tue, Oct 22 - Tue, Oct 22
10:40 am - 6:48 pmBZN-ORD
7h 08m1 stop
9:35 pm - 3:23 pmORD-BZN
18h 48m2 stops
$627United Airlines
Find Deal
Tue, Oct 22 - Tue, Oct 22
1:24 pm - 11:35 pmFCA-ORD
9h 11m1 stop
6:00 am - 12:34 pmORD-FCA
7h 34m1 stop
$668American Airlines
Find Deal
Fri, Oct 25 - Mon, Oct 28
5:48 am - 1:31 pmBZN-MDW
6h 43m1 stop
6:00 am - 1:23 pmMDW-BZN
8h 23m1 stop
$670Delta
Find Deal
Thu, Oct 24 - Mon, Oct 28
6:10 pm - 8:17 amFCA-ORD
13h 07m2 stops
9:37 am - 1:50 pmORD-FCA
5h 13m1 stop
$673Delta
Find Deal
Fri, Oct 25 - Mon, Oct 28
6:05 am - 6:29 pmBZN-MDW
11h 24m2 stops
6:00 am - 1:23 pmMDW-BZN
8h 23m1 stop
$675Delta
Find Deal
Thu, Oct 24 - Mon, Oct 28
1:40 pm - 10:06 pmBZN-ORD
7h 26m1 stop
1:55 pm - 11:04 pmORD-BZN
10h 09m2 stops
$675Delta
Find Deal
Thu, Oct 24 - Mon, Oct 28
11:40 am - 10:00 pmBZN-ORD
9h 20m2 stops
7:00 am - 5:05 pmORD-BZN
11h 05m2 stops
$680Southwest
Find Deal
Thu, Oct 24 - Sun, Oct 27
1:19 pm - 11:05 pmMSO-STL
8h 46m1 stop
5:16 am - 12:27 pmSTL-MSO
8h 11m1 stop
$814American Airlines
Find Deal
Wed, Oct 23 - Fri, Oct 25
2:00 pm - 6:06 pmBZN-ORD
3h 06mnonstop
9:45 am - 12:12 pmORD-BZN
3h 27mnonstop
$349American Airlines
Find Deal
Mon, Dec 30 - Mon, Jan 13
11:28 am - 3:35 pmBZN-ORD
3h 07mnonstop
8:20 am - 10:58 amORD-BZN
3h 38mnonstop
$381American Airlines
Find Deal
Fri, Dec 20 - Sun, Jan 5
2:00 pm - 6:06 pmBZN-ORD
3h 06mnonstop
9:55 am - 12:19 pmORD-BZN
3h 24mnonstop
$401American Airlines
Find Deal
Thu, Jan 2 - Tue, Mar 18
12:46 pm - 5:19 pmFCA-ORD
3h 33mnonstop
8:45 am - 11:50 amORD-FCA
4h 05mnonstop
$427United Airlines
Find Deal
Wed, Dec 25 - Wed, Jan 1
1:44 pm - 5:45 pmBZN-ORD
3h 01mnonstop
9:55 am - 12:27 pmORD-BZN
3h 32mnonstop
$441American Airlines
Find Deal
Fri, Feb 21 - Sun, Feb 23
12:45 pm - 5:05 pmFCA-ORD
3h 20mnonstop
8:45 am - 11:50 amORD-FCA
4h 05mnonstop
$457United Airlines
Find Deal
Wed, Dec 18 - Tue, Dec 31
12:45 pm - 4:49 pmBZN-ORD
3h 04mnonstop
9:05 am - 11:34 amORD-BZN
3h 29mnonstop
$461United Airlines
Find Deal
Fri, Dec 6 - Mon, Dec 9
12:45 pm - 4:59 pmFCA-ORD
3h 14mnonstop
8:58 am - 11:41 amORD-FCA
3h 43mnonstop
$479United Airlines
Find Deal
Fri, Apr 4 - Sun, Apr 6
12:45 pm - 4:58 pmBZN-ORD
3h 13mnonstop
9:15 am - 11:54 amORD-BZN
3h 39mnonstop
$492United Airlines
Find Deal
Wed, Nov 13 - Wed, Nov 20
12:45 pm - 4:58 pmBZN-ORD
3h 13mnonstop
9:15 am - 11:54 amORD-BZN
3h 39mnonstop
$501United Airlines
Find Deal
Tue, Nov 5 - Mon, Nov 11

Alaska Airlines flights from Montana to Illinois

Our best Alaska Airlines deals on Montana to Illinois flight tickets
Alaska Airlines
Jan 31
MSO2:38 pmMissoula Johnson-Bell Field
8h 21m
1 stop
ORD11:59 pmChicago O'Hare Intl
Feb 3
ORD7:45 amChicago O'Hare Intl
6h 57m
1 stop
MSO1:42 pmMissoula Johnson-Bell Field
Alaska Airlines
Dec 30
BZN5:55 pmBozeman Gallatin Field
9h 45m
1 stop
ORD4:40 amChicago O'Hare Intl
Jan 13
ORD3:35 pmChicago O'Hare Intl
25h 37m
1 stop
BZN4:12 pmBozeman Gallatin Field
Alaska Airlines
Dec 8
MSO6:59 pmMissoula Johnson-Bell Field
9h 57m
1 stop
ORD5:56 amChicago O'Hare Intl
Dec 15
ORD8:00 amChicago O'Hare Intl
6h 46m
1 stop
MSO1:46 pmMissoula Johnson-Bell Field

Delta flights from Montana to Illinois

Our best Delta deals on Montana to Illinois flight tickets
Delta
Jan 31
MSO8:00 amMissoula Johnson-Bell Field
5h 55m
1 stop
ORD2:55 pmChicago O'Hare Intl
Feb 3
ORD12:30 pmChicago O'Hare Intl
13h 09m
2 stops
MSO12:39 amMissoula Johnson-Bell Field
Delta
Dec 16
MSO5:40 amMissoula Johnson-Bell Field
6h 11m
1 stop
ORD12:51 pmChicago O'Hare Intl
Jan 12
ORD3:50 pmChicago O'Hare Intl
6h 18m
1 stop
MSO9:08 pmMissoula Johnson-Bell Field
Delta
Dec 16
MSO5:40 amMissoula Johnson-Bell Field
11h 51m
2 stops
ORD6:31 pmChicago O'Hare Intl
Jan 12
ORD3:50 pmChicago O'Hare Intl
6h 18m
1 stop
MSO9:08 pmMissoula Johnson-Bell Field

How to get the cheapest flight ticket from Montana 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 airline that flies to Illinois from Montana?

Alaska Airlines. Alaska Airlines, Delta, and American Airlines are the most popular carriers operating from Montana to Illinois

What is the cheapest Montana to Illinois flight route?

Billings Logan Intl - Lambert-St Louis. Fly from Billings Logan Intl to Lambert-St Louis for the best Montana - Illinois flight prices

Can stopping save me money on Montana to Illinois flights?

You could potentially save up to 7% on your flight if you consider stops on a Montana to Illinois flight.

Cheap Montana to Illinois flight deals and tips

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

Best Price Found

$128

Fastest flight time

3h 00m

Direct flights

Every day

Airports in Illinois

3 airports
The best one-way flight to Illinois from Montana in the past 72 hours is $128. The best round-trip flight deal from Montana to Illinois found on momondo in the last 72 hours is $193.
The fastest flight from Montana to Illinois takes 3h 00m
Direct flights go from Montana to Illinois every day.
There are 3 airports near Illinois: Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Lambert-St Louis (STL)

  • When did momondo last update prices for flights from Montana to Illinois?

    Prices for flights from Montana to Illinois are refreshed on a daily basis.

  • How many operators does momondo search for flights from Montana to Illinois?

  • How old do you have to be to fly from Montana to Illinois?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montana to Illinois.

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

    The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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


Best airlines flying from Montana to Illinois

Compare and see reviews for airlines that fly from Montana to Illinois with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $217Free CancellationRating
8.0
8,892 reviews
Search Delta flights
American AirlinesPriceFrom $229Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $238Free CancellationRating
7.4
9,302 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $257Free CancellationRating
8.0
9,416 reviews
Search Alaska Airlines flights

Why use momondo?

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

Finding the right flight to Illinois from Montana is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Illinois quick and easy, saving you time and money.

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

Flights from Montana to Illinois with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo provides multiple filters to help you find the best flight to Illinois from Montana. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Illinois from Montana. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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