Cheap flights from Illinois (IL) to Montana (MT)

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How to find the cheapest flight from
Illinois to Montana

All the information you need to plan the best null to BZN flight in 2021: compare Illinois to Montana flight prices with the expected peak season, weather and rainfall in Montana.
How far in advance should I book a flight from Illinois to Montana?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 16 days in advance, which can save you up to 37% on flights from Illinois to Montana compared to booking the week you need them. Waiting 16 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $139. For sooner than that we have options available in the next 3 days from $216.

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

July can be a great time to fly to Montana from Illinois with a flight ticket averaging about $199. Cheapflights users have found deals in the month of July for as cheap as $87. The most expensive prices can be found in the month of February.

Cheap flights from Illinois to Montana in May, June 2021

The best prices found for Illinois to Montana flights for May, June
19 May - 21 May
$177pp
STL
Lambert-St Louis
Frontier
 
1 STOP
BZN
Bozeman Gallatin Field
BZN
Bozeman Gallatin Field
Frontier
 
1 STOP
STL
Lambert-St Louis
19 May - 24 May
$210pp
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
BZN
Bozeman Gallatin Field
BZN
Bozeman Gallatin Field
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
12 Jun - 17 Jun
$219pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
BZN
Bozeman Gallatin Field
BZN
Bozeman Gallatin Field
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis

Illinois to Montana 2021 flight deals

Cheap flights to Montana from Illinois found for this year
19 May - 21 May
$177pp
STL
Lambert-St Louis
Frontier
 
1 STOP
BZN
Bozeman Gallatin Field
BZN
Bozeman Gallatin Field
Frontier
 
1 STOP
STL
Lambert-St Louis
19 May - 24 May
$210pp
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
BZN
Bozeman Gallatin Field
BZN
Bozeman Gallatin Field
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
12 Jun - 17 Jun
$219pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
BZN
Bozeman Gallatin Field
BZN
Bozeman Gallatin Field
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis

Non-stop flights to Montana from Illinois

Save time with Illinois to Montana direct flight deals
19 Sep - 1 Oct
$223pp
ORD
Chicago O'Hare Intl
United Airlines
Non-Stop
BZN
Bozeman Gallatin Field
BZN
Bozeman Gallatin Field
United Airlines
Non-Stop
ORD
Chicago O'Hare Intl
19 Sep - 23 Sep
$249pp
ORD
Chicago O'Hare Intl
United Airlines
Non-Stop
BZN
Bozeman Gallatin Field
BZN
Bozeman Gallatin Field
United Airlines
Non-Stop
ORD
Chicago O'Hare Intl
7 Sep - 15 Sep
$251pp
ORD
Chicago O'Hare Intl
Multiple Airlines
Non-Stop
BZN
Bozeman Gallatin Field
BZN
Bozeman Gallatin Field
Alaska Airlines
Non-Stop
ORD
Chicago O'Hare Intl

Last minute flights from Illinois to Montana

Late deals on round-trip flights to Montana from Illinois, departing today and this week
19 May - 21 May
$177pp
STL
Lambert-St Louis
Frontier
 
1 STOP
BZN
Bozeman Gallatin Field
BZN
Bozeman Gallatin Field
Frontier
 
1 STOP
STL
Lambert-St Louis
19 May - 24 May
$210pp
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
BZN
Bozeman Gallatin Field
BZN
Bozeman Gallatin Field
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
19 May - 24 May
$224pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
BZN
Bozeman Gallatin Field
BZN
Bozeman Gallatin Field
Multiple Airlines
   
2 STOPS
ORD
Chicago O'Hare Intl

One-way flights to Montana from Illinois

The cheapest one-way flights from Illinois to Montana
5:10 am - 7:30 am
United Airlines
Nonstop
3h 20m
ORD - BZN
United Airlines
$112
United
7:50 am - 10:35 am
American Airlines
Nonstop
3h 45m
ORD - MSO
American Airlines
4:30 am - 2:05 pm
Frontier
1 Stop
10h 35m
ORD - BIL
Frontier
$138
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Illinois</span> to <span class="emphasized">Montana</span> flights.

Flight FAQs

From Illinois to Montana

Are flight prices decreasing from Illinois to Montana due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Illinois and Montana for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Illinois to Montana to control the spread of COVID-19?

New policies can now be found on Alaska Airlines to help keep travelers safe while flying. New policies for travelers booking flights from Illinois to Montana include masks being provided and required on board, daily cleaning and sanitization, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially distanced seating (for a limited time). Keep in mind that policies will vary by airline.

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

Due to the rapidly changing circumstances due to COVID-19, airlines like United Airlines, Delta, and American Airlines flying from Illinois to Montana have implemented new flexible cancellation policies.

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

Yes, there are multiple flights from Illinois to Montana for under $200. The cheapest flight booked recently is on Frontier for just $177, but on average you can expect to pay $231.

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

Cheapflights has at least 20 direct flights from Illinois to Montana under $300. A good price for a nonstop flight from Illinois to Montana is less than $282.

Are there last-minute flights available from Illinois to Montana for under $200?

There are currently 20+ open flights from Illinois to Montana within the next 7 days for less than $200.

What days are nonstop flights available from Illinois to Montana?

You can find nonstop flights on the following days: Friday, Saturday.

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

Consider Major Airline, American Airlines or Alaska Airlines when booking your flight. These represent the most popular airlines when flying from Illinois to Montana.

What are the most popular routes from Illinois to Montana?

Most travelers choose Chicago O'Hare Intl - Kalispell Glacier Park, Chicago O'Hare Intl - Bozeman Gallatin Field or Chicago O'Hare Intl - Missoula Johnson-Bell Field when deciding on the best route from Illinois to Montana.

What are the cheapest Flights from Illinois to Montana?

The cheapest flight price from Illinois to Montana is $135. On average you can expect to pay $381. The most popular route, (Chicago O'Hare Intl - Kalispell Glacier Park), can usually be booked for $246.

What are the most reliable airlines from Illinois to Montana?

Consider Lufthansa (100%), Republic Airways (100%) or United Airlines (100%) when booking your flight. These represent the most reliable airlines when flying from Illinois to Montana.

How long is the flight from Illinois to Montana?

For as low as $301, American Airlines can have you in Montana from Illinois in 3h 09m. Generally, flights for this route are nonstop.

What are the cheapest airlines flying from Illinois to Montana round-trip?

Flying on Frontier is currently your cheapest option to Montana, with prices starting at $177. Additional round-trip tickets that might be worth considering are offered by United Airlines and American Airlines, with the lowest prices starting at $223 and $231, respectively.

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

$95 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $112 and $131, respectively.

Related searches

Flights to Montana from Illinois
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Rent a Car

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Destination points for flights from Illinois to Montana

Select to see more specific information for flights from Illinois to all places in Montana.

Destination information for Montana

Things to know before you go - useful duration and weather info for your trip from Illinois to Montana.
Flight duration
3h 10m

Airports servicing

Bloomington (BMI)
Champaign (CMI)
Decatur (DEC)
Moline (MLI)
Marion (MWA)

Airports servicing

Butte Silver Bow Co (BTM)
Bozeman (BZN)
Kalispell (FCA)
Glendive Mont Dawson (GDV)
Glasgow (GGW)

Top 5 airlines flying from Illinois to Montana

The chart below displays the airlines Cheapflights users traveling from Illinois to Montana choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$110 $232 No cancel fee 62%
Alaska Airlines
$149 $359 No cancel fee 75%
United Airlines
$149 $443 No cancel fee 69%
American Airlines
$185 $468 No cancel fee 71%
Delta
$152 $480 No cancel fee N/A
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