Cheap flights from Montana to Chicago (CHI)

BZN — CHI
Oct 4 — Oct 111

How far in advance should I book a flight from Montana to Chicago?

To save on the cost of your flight from Montana to Chicago, book at least 54 days before your planned departure. Booking around this time can save you about 61% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $553 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $687.

What is the cheapest month to fly from Montana to Chicago?

Flights from Montana to Chicago lean towards being more expensive in July. Prices are generally better when you fly from Montana to Chicago in October, with the cheapest ticket starting at $175.

When is the cheapest time to fly from Montana to Chicago (MT - CHI)?

When flying from Montana to Chicago, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap flights from Montana to Chicago in September, October 2022

The best prices found for Montana to CHI flights for September, October
Oct 27 - Oct 29
MSO

Missoula Johnson-Bell Field

MDW

Chicago Midway

1 stop

18h 10m
MDW

Chicago Midway

MSO

Missoula Johnson-Bell Field

1 stop

17h 31m
$184

Frontier

Pick Dates

Deal found 9/27/22

Oct 27 - Oct 29
MSO

Missoula Johnson-Bell Field

MDW

Chicago Midway

2 stops

13h 52m
MDW

Chicago Midway

MSO

Missoula Johnson-Bell Field

1 stop

17h 31m
$189

Frontier

Pick Dates

Deal found 9/27/22

Oct 27 - Oct 29
MSO

Missoula Johnson-Bell Field

MDW

Chicago Midway

2 stops

13h 52m
MDW

Chicago Midway

MSO

Missoula Johnson-Bell Field

2 stops

19h 31m
$193

Frontier

Pick Dates

Deal found 9/27/22

Montana to Chicago 2022 flight deals

Cheap flights to Chicago from Montana found for this year
Oct 27 - Oct 29
MSO

Missoula Johnson-Bell Field

MDW

Chicago Midway

1 stop

18h 10m
MDW

Chicago Midway

MSO

Missoula Johnson-Bell Field

1 stop

17h 31m
$184

Frontier

Pick Dates

Deal found 9/27/22

Oct 27 - Oct 29
MSO

Missoula Johnson-Bell Field

MDW

Chicago Midway

2 stops

13h 52m
MDW

Chicago Midway

MSO

Missoula Johnson-Bell Field

1 stop

17h 31m
$189

Frontier

Pick Dates

Deal found 9/27/22

Oct 27 - Oct 29
MSO

Missoula Johnson-Bell Field

MDW

Chicago Midway

2 stops

13h 52m
MDW

Chicago Midway

MSO

Missoula Johnson-Bell Field

2 stops

19h 31m
$193

Frontier

Pick Dates

Deal found 9/27/22

Cheap Alaska Airlines flights from Montana to Chicago

Feb 12 - Feb 18
GTF

Great Falls

ORD

Chicago O'Hare Intl

1 stop

10h 54m
ORD

Chicago O'Hare Intl

GTF

Great Falls

1 stop

27h 25m
$353

Alaska Airlines

Pick Dates

Deal found 9/27/22

Dec 1 - Dec 4
MSO

Missoula Johnson-Bell Field

ORD

Chicago O'Hare Intl

1 stop

10h 54m
ORD

Chicago O'Hare Intl

MSO

Missoula Johnson-Bell Field

1 stop

7h 06m
$380

Alaska Airlines

Pick Dates

Deal found 9/27/22

Oct 27 - Oct 29
FCA

Kalispell Glacier Park

ORD

Chicago O'Hare Intl

1 stop

28h 20m
ORD

Chicago O'Hare Intl

FCA

Kalispell Glacier Park

1 stop

17h 54m
$404

Alaska Airlines

Pick Dates

Deal found 9/27/22

Cheap Delta flights from Montana to Chicago

Oct 25 - Oct 27
BZN

Bozeman Gallatin Field

ORD

Chicago O'Hare Intl

1 stop

4h 36m
ORD

Chicago O'Hare Intl

BZN

Bozeman Gallatin Field

1 stop

7h 53m
$259

Delta

Pick Dates

Deal found 9/27/22

Nov 2 - Nov 5
BZN

Bozeman Gallatin Field

ORD

Chicago O'Hare Intl

2 stops

11h 35m
ORD

Chicago O'Hare Intl

BZN

Bozeman Gallatin Field

1 stop

5h 27m
$263

Delta

Pick Dates

Deal found 9/27/22

Nov 2 - Nov 5
BZN

Bozeman Gallatin Field

ORD

Chicago O'Hare Intl

2 stops

11h 35m
ORD

Chicago O'Hare Intl

BZN

Bozeman Gallatin Field

2 stops

10h 57m
$268

Delta

Pick Dates

Deal found 9/27/22

Non-stop flights to Chicago from Montana

Save time with Montana to Chicago direct flight deals
Jan 26 - Jan 31
BZN

Bozeman Gallatin Field

ORD

Chicago O'Hare Intl

Nonstop

3h 02m
ORD

Chicago O'Hare Intl

BZN

Bozeman Gallatin Field

Nonstop

3h 29m
$291

United Airlines

Pick Dates

Deal found 9/26/22

Dec 17 - Jan 16
BZN

Bozeman Gallatin Field

ORD

Chicago O'Hare Intl

Nonstop

3h 03m
ORD

Chicago O'Hare Intl

BZN

Bozeman Gallatin Field

Nonstop

3h 29m
$317

United Airlines

Pick Dates

Deal found 9/28/22

Nov 6 - Nov 12
BZN

Bozeman Gallatin Field

ORD

Chicago O'Hare Intl

Nonstop

2h 57m
ORD

Chicago O'Hare Intl

BZN

Bozeman Gallatin Field

Nonstop

3h 27m
$328

United Airlines

Pick Dates

Deal found 9/29/22

Last minute flights from Montana to Chicago

Late deals on return flights to Chicago from Montana, departing today and this week
Oct 7 - Oct 15
MSO

Missoula Johnson-Bell Field

MDW

Chicago Midway

1 stop

9h 47m
MDW

Chicago Midway

MSO

Missoula Johnson-Bell Field

1 stop

17h 31m
$322

Multiple Airlines

Pick Dates

Deal found 9/26/22

Oct 7 - Oct 15
MSO

Missoula Johnson-Bell Field

ORD

Chicago O'Hare Intl

1 stop

10h 07m
ORD

Chicago O'Hare Intl

MSO

Missoula Johnson-Bell Field

2 stops

26h 13m
$371

Multiple Airlines

Pick Dates

Deal found 9/26/22

Oct 8 - Oct 11
BZN

Bozeman Gallatin Field

ORD

Chicago O'Hare Intl

1 stop

12h 02m
ORD

Chicago O'Hare Intl

BZN

Bozeman Gallatin Field

1 stop

7h 40m
$469

Multiple Airlines

Pick Dates

Deal found 9/27/22

One-way flights to Chicago from Montana

The cheapest one-way flights from Montana to Chicago
Dec 12
BZN

Bozeman Gallatin Field

ORD

Chicago O'Hare Intl

1 stop

24h 23m
$108

Multiple Airlines

Pick Dates

Deal found 9/29/22

Dec 13
BZN

Bozeman Gallatin Field

ORD

Chicago O'Hare Intl

1 stop

7h 31m
$122

Delta

Pick Dates

Deal found 9/29/22

Dec 15
BZN

Bozeman Gallatin Field

ORD

Chicago O'Hare Intl

Nonstop

3h 04m
$128

American Airlines

Pick Dates

Deal found 9/27/22

Related info for your journey

Useful info, stats and facts about Montana to Chicago flights.

Which airlines flying from Montana to Chicago have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Montana to Chicago that may be offering flexible cancellation policies are United Airlines, Delta, and American Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from Montana to Chicago for under $200 on Cheapflights?

Yes, there are multiple flights from Montana to Chicago for under $200. The cheapest flight booked recently is on Frontier for just $184, but on average you can expect to pay $257.

Are there nonstop flights from Montana to Chicago for under $300 on Cheapflights?

Cheapflights has at least 20 direct flights from Montana to Chicago under $300. A good price for a nonstop flight from Montana to Chicago is less than $447.

Are there last-minute flights available from Montana to Chicago for under $400?

There are currently 20+ open flights from Montana to Chicago within the next 7 days for less than $400.

What days are nonstop flights available from Montana to Chicago?

Nonstop flights can be found on the following days: Monday, Tuesday, Friday.

How many flights depart from Montana to Chicago on average per day?

7 flight departures from Montana to Chicago per day on average.
Morning (6am - Noon) - 100% of flight departures

How long is the flight from Montana to Chicago?

For as low as $184, Frontier can have you in Chicago from Montana in 4h 36m. The distance between Montana and Chicago is about 1189 mi. This flight may include one or multiple stops.

What are the cheapest airlines to fly from Montana to Chicago one-way?

The cheapest airlines for a one-way flight from Montana to Chicago are Delta ($122), American Airlines ($128), and United Airlines ($148).

What are the most popular routes from Montana to Chicago?

When deciding which route to take from Montana to Chicago consider Bozeman Gallatin Field - Chicago O'Hare Intl, Missoula Johnson-Bell Field - Chicago O'Hare Intl or Missoula Johnson-Bell Field - Chicago Midway as they are the most popular.

What are the most popular airlines that fly from Montana to Chicago?

When booking a flight from Montana to Chicago, you may want to consider flying on Undisclosed Carrier, American Airlines or Alaska Airlines as they are the most popular for this route.

What are the most reliable airlines from Montana to Chicago?

No one likes to see their flight delayed. When booking a flight from Montana to Chicago consider choosing Qatar Airways (96%), American Airlines (87%) or Alaska Airlines (87%) as they are the most reliable in getting you off to your destination on time.

What are the cheapest flights from Montana to Chicago?

On average you can expect to pay $548 for a flight from Montana to Chicago. The cheapest flight overall is $246 while the most popular route, (Bozeman Gallatin Field - Chicago O'Hare Intl) is currently priced at $250.

Departure points for flights from Montana to Chicago

Select to see more specific information for flights to Chicago from all departure points in Montana

Top 5 airlines flying from Montana to Chicago

The chart below displays the airlines Cheapflights users traveling from Montana to Chicago choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
DeltaCheapest$123Average$461FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
FrontierCheapest$130Average$235FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search Frontier flights
Alaska AirlinesCheapest$178Average$502FlexibilityNo cancel feeOn-time75%COVID-19 safety
Search Alaska Airlines flights
United AirlinesCheapest$216Average$552FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
American AirlinesCheapest$279Average$510FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights

Hourly flight availability from Montana to Chicago

See what time of day planes typically take off from Montana to Chicago
1%of flight departuresEarly morningMidnight to 6 am
52%of flight departuresMorning6 am to noon
47%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM