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.

$158 CHEAP FLIGHTS from Montana to Chicago

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Flight Deals

Cheap Flights from Montana to Chicago

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Montana to Chicago

Wed, Feb 17 - Tue, Feb 23

12:58 pm - 9:53 pmBIL Billings Logan Intl-ORD Chicago O'Hare Intl

7h 55m1 stop Salt Lake City

7:30 am - 12:19 pmORD Chicago O'Hare Intl-BIL Billings Logan Intl

5h 49m1 stop Salt Lake City

$301Delta

Tue, Oct 27 - Sat, Oct 31

5:55 pm - 11:59 pmBIL Billings Logan Intl-ORD Chicago O'Hare Intl

5h 04m1 stop Denver Intl

3:56 pm - 10:30 pmORD Chicago O'Hare Intl-BIL Billings Logan Intl

7h 34m1 stop Denver Intl

$301United Airlines

Wed, Feb 17 - Tue, Feb 23

12:58 pm - 9:53 pmBIL Billings Logan Intl-ORD Chicago O'Hare Intl

7h 55m1 stop Salt Lake City

7:10 am - 7:48 pmORD Chicago O'Hare Intl-BIL Billings Logan Intl

13h 38m2 stops Atlanta Hartsfield-Jackson Minneapolis St Paul

$306Delta

Sat, Oct 3 - Sun, Oct 4

2:28 pm - 9:52 pmBIL Billings Logan Intl-ORD Chicago O'Hare Intl

6h 24m1 stop Denver Intl

5:00 am - 9:44 amORD Chicago O'Hare Intl-BIL Billings Logan Intl

5h 44m1 stop Denver Intl

$327United Airlines

Thu, Dec 24 - Tue, Dec 29

7:39 am - 12:00 pmBZN Bozeman Gallatin Field-ORD Chicago O'Hare Intl

3h 21mnonstop

5:14 pm - 7:55 pmORD Chicago O'Hare Intl-BZN Bozeman Gallatin Field

3h 41mnonstop

$335American Airlines

Fri, Oct 16 - Sun, Oct 18

1:15 pm - 5:29 pmBZN Bozeman Gallatin Field-ORD Chicago O'Hare Intl

3h 14mnonstop

9:58 am - 12:25 pmORD Chicago O'Hare Intl-BZN Bozeman Gallatin Field

3h 27mnonstop

$335American Airlines

Mon, Nov 9 - Wed, Nov 11

7:55 am - 3:15 pmBZN Bozeman Gallatin Field-MDW Chicago Midway

6h 20m1 stop Denver Intl

6:05 am - 10:35 amMDW Chicago Midway-BZN Bozeman Gallatin Field

5h 30m1 stop Denver Intl

$355Southwest

Wed, Oct 21 - Sun, Oct 25

2:45 pm - 11:15 pmBZN Bozeman Gallatin Field-MDW Chicago Midway

7h 30m1 stop Denver Intl

6:00 am - 10:25 amMDW Chicago Midway-BZN Bozeman Gallatin Field

5h 25m1 stop Denver Intl

$355Southwest

Tue, Oct 27 - Thu, Oct 29

7:03 am - 4:50 pmMSO Missoula Johnson-Bell Field-ORD Chicago O'Hare Intl

8h 47m1 stop Seattle/Tacoma Intl

6:00 am - 2:50 pmORD Chicago O'Hare Intl-MSO Missoula Johnson-Bell Field

9h 50m1 stop Seattle/Tacoma Intl

$359Alaska Airlines

Tue, Oct 27 - Wed, Oct 28

8:01 am - 6:20 pmFCA Kalispell Glacier Park-ORD Chicago O'Hare Intl

9h 19m1 stop Seattle/Tacoma Intl

3:49 pm - 10:59 pmORD Chicago O'Hare Intl-FCA Kalispell Glacier Park

8h 10m1 stop Seattle/Tacoma Intl

$359Alaska Airlines

Recent last minute flight deals from Montana to Chicago

Mon, Sep 7 - Tue, Sep 8

5:20 am - 11:59 amBIL Billings Logan Intl-ORD Chicago O'Hare Intl

5h 39m1 stop Salt Lake City

6:24 pm - 11:15 pmORD Chicago O'Hare Intl-BIL Billings Logan Intl

5h 51m1 stop Minneapolis St Paul

$353Delta

Mon, Sep 7 - Mon, Sep 14

6:26 am - 1:10 pmBIL Billings Logan Intl-MDW Chicago Midway

5h 44m1 stop Minneapolis St Paul

7:13 pm - 11:15 pmMDW Chicago Midway-BIL Billings Logan Intl

5h 02m1 stop Minneapolis St Paul

$353Delta

Thu, Sep 10 - Sun, Sep 20

6:44 pm - 5:38 amBZN Bozeman Gallatin Field-ORD Chicago O'Hare Intl

9h 54m1 stop Las Vegas Harry Reid Intl

12:30 pm - 5:24 pmORD Chicago O'Hare Intl-BZN Bozeman Gallatin Field

29h 54m2 stops Quincy Regional Nashville Intl

$417Multiple Airlines

Thu, Sep 10 - Sun, Sep 13

12:20 pm - 4:15 pmBZN Bozeman Gallatin Field-MDW Chicago Midway

2h 55mnonstop

10:25 am - 12:35 pmMDW Chicago Midway-BZN Bozeman Gallatin Field

3h 10mnonstop

$435Southwest

Thu, Sep 10 - Sun, Sep 13

1:43 pm - 5:52 pmBZN Bozeman Gallatin Field-ORD Chicago O'Hare Intl

3h 09mnonstop

10:16 am - 12:43 pmORD Chicago O'Hare Intl-BZN Bozeman Gallatin Field

3h 27mnonstop

$435American Airlines

Thu, Sep 10 - Sun, Sep 13

7:54 am - 11:59 amBZN Bozeman Gallatin Field-ORD Chicago O'Hare Intl

3h 05mnonstop

8:40 am - 11:03 amORD Chicago O'Hare Intl-BZN Bozeman Gallatin Field

3h 23mnonstop

$435United Airlines

Fri, Sep 11 - Sun, Sep 13

4:23 pm - 8:38 pmBZN Bozeman Gallatin Field-ORD Chicago O'Hare Intl

3h 15mnonstop

1:00 pm - 3:38 pmORD Chicago O'Hare Intl-BZN Bozeman Gallatin Field

3h 38mnonstop

$435United Airlines

Fri, Sep 11 - Tue, Sep 15

1:13 pm - 11:30 pmBIL Billings Logan Intl-ORD Chicago O'Hare Intl

9h 17m1 stop Dallas/Fort Worth

3:50 pm - 10:10 pmORD Chicago O'Hare Intl-BIL Billings Logan Intl

7h 20m1 stop Dallas/Fort Worth

$441American Airlines

Fri, Sep 11 - Tue, Sep 15

2:21 pm - 11:59 pmBZN Bozeman Gallatin Field-ORD Chicago O'Hare Intl

8h 38m1 stop Seattle/Tacoma Intl

3:52 pm - 10:59 pmORD Chicago O'Hare Intl-BZN Bozeman Gallatin Field

8h 07m1 stop Seattle/Tacoma Intl

$450Alaska Airlines

Sat, Sep 12 - Tue, Sep 15

2:21 pm - 11:59 pmBZN Bozeman Gallatin Field-ORD Chicago O'Hare Intl

8h 38m1 stop Seattle/Tacoma Intl

1:03 pm - 10:59 pmORD Chicago O'Hare Intl-BZN Bozeman Gallatin Field

10h 56m1 stop Seattle/Tacoma Intl

$450Alaska Airlines

Recent direct flight deals from Montana to Chicago

Thu, Dec 24 - Tue, Dec 29

7:39 am - 12:00 pmBZN Bozeman Gallatin Field-ORD Chicago O'Hare Intl

3h 21mnonstop

5:14 pm - 7:55 pmORD Chicago O'Hare Intl-BZN Bozeman Gallatin Field

3h 41mnonstop

$335American Airlines

Fri, Oct 16 - Sun, Oct 18

1:15 pm - 5:29 pmBZN Bozeman Gallatin Field-ORD Chicago O'Hare Intl

3h 14mnonstop

9:58 am - 12:25 pmORD Chicago O'Hare Intl-BZN Bozeman Gallatin Field

3h 27mnonstop

$335American Airlines

Fri, Oct 23 - Sun, Oct 25

8:00 am - 11:57 amBZN Bozeman Gallatin Field-ORD Chicago O'Hare Intl

2h 57mnonstop

9:07 am - 11:45 amORD Chicago O'Hare Intl-BZN Bozeman Gallatin Field

3h 38mnonstop

$335United Airlines

Thu, Nov 12 - Mon, Nov 16

12:48 pm - 4:50 pmBZN Bozeman Gallatin Field-ORD Chicago O'Hare Intl

3h 02mnonstop

9:07 am - 11:45 amORD Chicago O'Hare Intl-BZN Bozeman Gallatin Field

3h 38mnonstop

$335United Airlines

Fri, Oct 23 - Sun, Oct 25

1:15 pm - 5:29 pmBZN Bozeman Gallatin Field-ORD Chicago O'Hare Intl

3h 14mnonstop

9:58 am - 12:25 pmORD Chicago O'Hare Intl-BZN Bozeman Gallatin Field

3h 27mnonstop

$335American Airlines

Thu, Nov 12 - Mon, Nov 16

12:48 pm - 4:50 pmBZN Bozeman Gallatin Field-ORD Chicago O'Hare Intl

3h 02mnonstop

9:07 am - 11:45 amORD Chicago O'Hare Intl-BZN Bozeman Gallatin Field

3h 38mnonstop

$335United Airlines

Fri, Sep 25 - Mon, Sep 28

12:20 pm - 4:15 pmBZN Bozeman Gallatin Field-MDW Chicago Midway

2h 55mnonstop

10:50 am - 12:55 pmMDW Chicago Midway-BZN Bozeman Gallatin Field

3h 05mnonstop

$456Southwest

Fri, Sep 25 - Mon, Sep 28

12:20 pm - 4:15 pmBZN Bozeman Gallatin Field-MDW Chicago Midway

2h 55mnonstop

10:50 am - 12:55 pmMDW Chicago Midway-BZN Bozeman Gallatin Field

3h 05mnonstop

$464Southwest

Thu, Sep 17 - Sun, Sep 20

1:43 pm - 5:52 pmBZN Bozeman Gallatin Field-ORD Chicago O'Hare Intl

3h 09mnonstop

10:16 am - 12:43 pmORD Chicago O'Hare Intl-BZN Bozeman Gallatin Field

3h 27mnonstop

$583Alaska Airlines

Tue, Oct 13 - Sun, Oct 18

1:15 pm - 5:29 pmBZN Bozeman Gallatin Field-ORD Chicago O'Hare Intl

3h 14mnonstop

9:58 am - 12:25 pmORD Chicago O'Hare Intl-BZN Bozeman Gallatin Field

3h 27mnonstop

$661Alaska Airlines

Useful Info

Low season	January
High season	July
Cheapest flight	$158

Best time to beat the crowds with an average 29% drop in price.

Most popular time to fly with an average 32% increase in price.

Flight from Bozeman to Chicago O'Hare Airport

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.

Merrillville

Hammond

Saint Joseph

Portage

Lansing

Valparaiso

Munster

Schererville

Chesterton

Porter

Monticello

Saint John

Griffith

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$158 Find Cheap Flights from Montana to Chicago - Compare and Save

Cheap Flights from Montana to Chicago

Recent round-trip flight deals from Montana to Chicago

Recent one-way flight deals from Montana to Chicago

Recent last minute flight deals from Montana to Chicago

Recent direct flight deals from Montana to Chicago

Good to know

Low season

High season

Cheapest flight

FAQs for booking flights from Montana to Chicago

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More options for your flight to Chicago

Complete your trip to Chicago with a hotel stay or car rental

Cabin class types available on flights to Montana

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Find deals for your return flight