$129 Find Cheap Flights from Montana to Chicago - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Chicago departing on 11/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap Flights from Montana to Chicago

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Montana to Chicago that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Montana to Chicago

Sat, Sep 5 - Sat, Sep 12
United Airlines Logo
2:29 pm - 9:30 pmBIL  Billings Logan Intl-ORD Chicago O'Hare Intl
6h 01m1 stop Denver Intl
United Airlines Logo
5:51 pm - 10:53 pmORD  Chicago O'Hare Intl-BIL Billings Logan Intl
6h 02m1 stop Denver Intl
$281United Airlines
Sat, Oct 10 - Tue, Oct 13
Delta Logo
12:58 pm - 10:00 pmBIL  Billings Logan Intl-ORD Chicago O'Hare Intl
8h 02m1 stop Salt Lake City
Delta Logo
7:35 am - 12:18 pmORD  Chicago O'Hare Intl-BIL Billings Logan Intl
5h 43m1 stop Salt Lake City
$281Delta
Tue, Dec 8 - Tue, Dec 15
Delta Logo
6:30 am - 11:50 amBIL  Billings Logan Intl-ORD Chicago O'Hare Intl
4h 20m1 stop Minneapolis St Paul
Delta Logo
7:35 am - 12:18 pmORD  Chicago O'Hare Intl-BIL Billings Logan Intl
5h 43m1 stop Salt Lake City
$281Delta
Sat, Sep 5 - Sat, Sep 12
United Airlines Logo
11:43 am - 3:48 pmBIL  Billings Logan Intl-ORD Chicago O'Hare Intl
3h 05mnonstop
United Airlines Logo
3:56 pm - 10:53 pmORD  Chicago O'Hare Intl-BIL Billings Logan Intl
7h 57m1 stop Denver Intl
$292United Airlines
Fri, Oct 2 - Sun, Oct 4
American Airlines Logo
1:50 pm - 5:59 pmBZN  Bozeman Gallatin Field-ORD Chicago O'Hare Intl
3h 09mnonstop
American Airlines Logo
10:16 am - 12:43 pmORD  Chicago O'Hare Intl-BZN Bozeman Gallatin Field
3h 27mnonstop
$295American Airlines
Thu, Sep 3 - Sun, Sep 6
American Airlines Logo
12:55 pm - 5:16 pmBZN  Bozeman Gallatin Field-ORD Chicago O'Hare Intl
3h 21mnonstop
American Airlines Logo
9:45 am - 12:05 pmORD  Chicago O'Hare Intl-BZN Bozeman Gallatin Field
3h 20mnonstop
$295American Airlines
Thu, Sep 10 - Mon, Sep 14
Southwest Logo
12:20 pm - 4:15 pmBZN  Bozeman Gallatin Field-MDW Chicago Midway
2h 55mnonstop
Southwest Logo
5:30 pm - 11:45 pmMDW  Chicago Midway-BZN Bozeman Gallatin Field
7h 15m1 stop Las Vegas Harry Reid Intl
$305Southwest
Tue, Sep 22 - Tue, Sep 29
Southwest Logo
6:55 am - 6:45 pmBZN  Bozeman Gallatin Field-MDW Chicago Midway
10h 50m2 stops Las Vegas Harry Reid Intl Baltimore/Washington
Southwest Logo
10:05 am - 12:15 pmMDW  Chicago Midway-BZN Bozeman Gallatin Field
3h 10mnonstop
$310Southwest
Mon, Nov 9 - Sat, Nov 14
Alaska Airlines Logo
4:57 pm - 5:40 amGTF  Great Falls-ORD Chicago O'Hare Intl
11h 43m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:00 am - 4:17 pmORD  Chicago O'Hare Intl-GTF Great Falls
10h 17m1 stop Seattle/Tacoma Intl
$328Alaska Airlines
Tue, Sep 1 - Wed, Sep 2
Alaska Airlines Logo
4:16 pm - 11:59 pmMSO  Missoula Johnson-Bell Field-ORD Chicago O'Hare Intl
6h 43m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
3:43 pm - 11:01 pmORD  Chicago O'Hare Intl-MSO Missoula Johnson-Bell Field
8h 18m1 stop Seattle/Tacoma Intl
$339Alaska Airlines
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Good to know

Low season

January

Cheapest flight

$129
Best time to beat the crowds with an average 25% drop in price.
Most popular time to fly with an average 39% increase in price.
Flight from Kalispell to Chicago O'Hare Airport

FAQs for booking flights from Montana to Chicago

  • How does KAYAK find such low prices on flights from Montana to Chicago?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Montana to Chicago.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Montana to Chicago?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago from Montana is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Montana to Chicago?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Chicago with an airline and back to Montana with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Montana to Chicago?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chicago from Montana up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
Saint Joseph
Hammond
Portage
Lansing
Valparaiso
Munster
Chesterton
Schererville
Porter
Monticello
Saint John
Griffith

Everything you need to know for your flight to Chicago

Cabin class types available on flights to Montana

Cabin classes available on flights to Chicago. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
First Class flights to Chicagofrom $1,176
Business Class flights to Chicagofrom $677
Premium Economy Class flights to Chicagofrom $686
Economy Class flights to Chicagofrom $285