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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

$131 CHEAP FLIGHTS from Montana to Chicago

KAYAK searches hundreds of travel sites at once for deals on flights to Chicago

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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, Oct 21 - Sat, Oct 24

6:15 am - 2:57 pm

BIL

ORD

7h 42m

1 stop

3:50 pm - 7:48 pm

ORD

BIL

4h 58m

1 stop

$271Delta

Wed, Oct 21 - Sat, Oct 24

6:15 am - 2:57 pm

BIL

ORD

7h 42m

1 stop

3:50 pm - 10:32 pm

ORD

BIL

7h 42m

2 stops

$276Delta

Thu, Aug 27 - Mon, Aug 31

12:20 pm - 4:15 pm

BZN

MDW

2h 55mnonstop

10:50 am - 12:55 pm

MDW

BZN

3h 05mnonstop

$285Southwest

Thu, Jul 2 - Sun, Jul 5

12:30 pm - 4:52 pm

BZN

ORD

3h 22mnonstop

1:49 pm - 4:13 pm

ORD

BZN

3h 24mnonstop

$285American Airlines

Wed, Nov 4 - Tue, Nov 10

2:37 pm - 10:44 pm

BZN

ORD

7h 07m

1 stop

9:10 am - 11:33 am

ORD

BZN

3h 23mnonstop

$291United Airlines

Fri, Aug 14 - Mon, Aug 17

2:30 pm - 11:45 pm

BZN

MDW

8h 15m

1 stop

10:50 am - 12:55 pm

MDW

BZN

3h 05mnonstop

$295Southwest

Thu, Jul 2 - Sun, Jul 5

12:30 pm - 4:52 pm

BZN

ORD

3h 22mnonstop

5:00 am - 12:45 pm

ORD

BZN

8h 45m

1 stop

$295American Airlines

Thu, Nov 5 - Sat, Nov 7

6:15 am - 2:57 pm

BIL

ORD

7h 42m

1 stop

3:50 pm - 7:48 pm

ORD

BIL

4h 58m

1 stop

$298Delta

Thu, Aug 27 - Mon, Aug 31

2:30 pm - 10:45 pm

BZN

ORD

7h 15m

1 stop

5:00 am - 9:39 am

ORD

BZN

5h 39m

1 stop

$300United Airlines

Thu, Aug 13 - Tue, Aug 18

10:24 am - 5:28 am

MSO

ORD

18h 04m

1 stop

5:30 pm - 9:02 pm

ORD

MSO

52h 32m

2 stops

$332Multiple Airlines

Useful Info

Low season	January
High season	July
Cheapest flight	$131

Best time to beat the crowds with an average 22% drop in price.

Most popular time to fly with an average 16% increase in price.

Flight from Billings 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

Saint Joseph

Hammond

Portage

Lansing

Valparaiso

Schererville

Chesterton

Munster

Porter

Monticello

Saint John

Griffith

Everything you need to know for your flight to Chicago

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Cabin class types available on flights to Montana

First Class flights to Chicagofrom $880

Business Class flights to Chicagofrom $995

Premium Economy Class flights to Chicagofrom $1,188

Economy Class flights to Chicagofrom $271

$131 Find Cheap Flights from Montana to Chicago

KAYAK searches hundreds of travel sites at once for deals on flights to Chicago

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

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?

Everything you need to know for your flight to Chicago

Cabin class types available on flights to Montana

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

Find direct flights for Chicago

Flights to other popular destinations

Flights from domestic origins to Chicago

Choose which airport to fly into in Chicago

Find deals for your return flight