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$103+ Cheap flights from Illinois to Montana

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BZN
nov. 5 — nov. 121
mar. 11/5
mar. 11/12
1 adult, Economy
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Find flight deals from Illinois to Montana

Cheapest flights from Illinois to Montana
Explore the most affordable flight options available from Illinois to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 31, 2024.

This United Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/132:30 pmORD - MSO
1 stop8h 30mUnited Airlines
lun. 12/165:06 pmMSO - ORD
1 stop6h 16mUnited Airlines
Deal found 10/30$268
This Delta deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/132:15 pmMDW - MSO
1 stop7h 40mDelta
lun. 12/165:40 amMSO - MDW
2 stops11h 52mDelta
Deal found 10/30$273
This Delta deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/1311:59 amORD - MSO
2 stops9h 56mDelta
lun. 12/165:40 amMSO - ORD
1 stop6h 11mDelta
Deal found 10/30$273
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/102:30 pmORD - FCA
1 stop8h 16mUnited Airlines
mar. 12/1712:45 pmFCA - ORD
Nonstop3h 20mUnited Airlines
Deal found 10/29$305
This Alaska Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/196:00 amORD - MSO
1 stop8h 45mAlaska Airlines
mar. 12/312:45 pmMSO - ORD
1 stop8h 14mAlaska Airlines
Deal found 10/30$308
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/1012:35 pmORD - FCA
2 stops13h 15mDelta
mar. 12/175:25 amFCA - ORD
1 stop6h 26mDelta
Deal found 10/29$319
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/101:30 pmMDW - FCA
2 stops12h 20mDelta
mar. 12/175:25 amFCA - MDW
2 stops10h 36mDelta
Deal found 10/29$324
This Delta deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/286:17 amORD - BZN
2 stops12h 05mDelta
mié. 12/46:05 amBZN - ORD
1 stop5h 37mDelta
Deal found 10/30$339
This Delta deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/710:38 amMDW - BZN
2 stops10h 42mDelta
dom. 12/155:30 amBZN - MDW
1 stop7h 01mDelta
Deal found 10/30$339
This Mytrip deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/137:00 amORD - BZN
3 stops27h 39mMultiple Airlines
dom. 11/1710:29 amBZN - ORD
3 stops32h 57mMultiple Airlines
Deal found 10/30$343
This FlightHub deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/111:29 amORD - MSO
1 stop6h 24mFrontier
lun. 11/45:34 pmMSO - ORD
1 stop6h 19mFrontier
Deal found 10/30$348
This Alaska Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/61:58 pmORD - BZN
1 stop6h 46mAlaska Airlines
dom. 12/88:24 pmBZN - ORD
1 stop15h 38mAlaska Airlines
Deal found 10/30$354

Find flights from Illinois to Montana within your budget

Customize your flight search to find flights from Illinois to Montana that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,570,725 searches. Data last updated octubre 31, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

mié. 11/13

10:13 pm-9:39 am

1 stop12h 26m

$103

ChicagoBozeman

ORD - BZN

ORDBZN

Chicago O'Hare Intl

mar. 1/28

5:00 pm-12:26 am

1 stop8h 26m

$128

ChicagoKalispell

ORD - FCA

ORDFCA

Chicago O'Hare Intl

mar. 1/28

7:45 am-3:33 pm

1 stop8h 48m

$151

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

vie. 1/24

4:36 pm-9:53 pm

1 stop6h 17m

$154

St. LouisBozeman

STL - BZN

STLBZN

Lambert-St Louis

sáb. 1/25

11:50 am-9:10 pm

2 stops10h 20m

$188

St. LouisBozeman

STL - BZN

STLBZN

Lambert-St Louis

mié. 11/13

7:15 am-12:57 pm

1 stop6h 42m

$223

ChicagoBozeman

MDW - BZN

MDWBZN

Chicago Midway

mar. 1/28

6:45 pm-11:14 pm

1 stop5h 29m

$128

ChicagoMissoula

MDW - MSO

MDWMSO

Chicago Midway

vie. 12/13

2:15 pm-8:55 pm

1 stop7h 40m

$134

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

mié. 1/29

2:07 pm-10:44 pm

1 stop9h 37m

$151

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

jue. 11/28

12:25 pm-5:51 pm

1 stop6h 26m

$134

Flights are sorted by cheapest first

Deals found on 10/30

Showing 1-10 of 60 results
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Best time to book a flight from Illinois to Montana

Have a flexible travel schedule? Discover the best time to fly to Montana from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Illinois to Montana

Get recent, data-driven insights about flights from Illinois to Montana including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Illinois to Montana?

Currently, October is the cheapest month in which you can book a flight from Illinois to Montana (average of $366). Flying from Illinois to Montana in June is currently the most expensive (average of $516). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to MT?

Find hourly flight availability from Illinois to Montana. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 31, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Montana as you normally would.

Rainfall in Montana by month

Plan your trip to Montana by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Montana ranges from 0.4 - 2.0 inches per month. May is typically the wettest month, when rainfall can reach 2.0 in. January is typically the driest time to visit Montana when rainfall is around 0.4 in.

Temperature in Montana by month

Plan your trip to Montana by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Montana, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 64.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 15.8 F).

Reviews of airlines servicing Montana

Get insights into the airlines that provide service to Montana. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Montana. Reviews last updated octubre 31, 2024.
See what other customers who have flown with Southwest, American Airlines and Alaska Airlines from Illinois to Montana have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,116 reviews

Boarding

8.3

Food

7.2

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,116 reviews
Southwest
8.1
Very good
5,116 reviews

Boarding

8.3

Food

7.2

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,420 reviews
Southwest
8.1
Very good
5,116 reviews

Boarding

8.3

Food

7.2

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,835 reviews
Southwest
8.1
Very good
5,116 reviews

Boarding

8.3

Food

7.2

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Qatar Airways
7.5
Good
3,900 reviews
Southwest
8.1
Very good
5,116 reviews

Boarding

8.3

Food

7.2

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Aeromexico
7.5
Good
2,032 reviews
Southwest
8.1
Very good
5,116 reviews

Boarding

8.3

Food

7.2

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

Find useful and relevant information for your journey from Illinois to Montana. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Illinois to Montana for under $300 on Cheapflights?

    Yes, there are multiple flights from Illinois to Montana for under $300. The cheapest flight booked recently is on Multiple Airlines for just $261, but on average you can expect to pay $310.

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

    Cheapflights has at least 4 direct flights from Illinois to Montana under $300. A good price for a nonstop flight from Illinois to Montana is less than $386.

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

    There are currently 18+ open flights from Illinois to Montana within the next 7 days for less than $400.

  • What days are nonstop flights available from Illinois to Montana?

    Days when nonstop flights are available for this flight are: Sunday, Thursday, Friday, Saturday.

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

    On average 5 flights depart from Illinois to Montana per day.
    Morning (6am - Noon) - 100% of flight departures

  • How long is the flight from Illinois to Montana?

    Departing from Illinois to Montana will take you 3h 29m. Airlines will cover a distance of 1189 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $128. Southwest flights start at $148 while deals on Alaska Airlines start at $151 one-way.

  • What does ORD to BZN mean?

    This is defined as Chicago O'Hare Intl Airport (ORD) and Bozeman Gallatin Field Airport (BZN). Codes like Bozeman Gallatin Field Airport are often used to just call airports uniquely. Missoula Johnson-Bell Field Airport (MSO), Kalispell Glacier Park Airport (FCA), Billings Logan Intl Airport (BIL), Great Falls Airport (GTF), Helena Airport (HLN) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from Illinois to Montana that include extra baggage allowance?

    The amount of baggage you can bring on your Illinois to Montana flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Illinois to Montana with specific airlines?

    Yes, Cheapflights allows you to browse and filter Illinois to Montana flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Illinois to Montana that include hotel bookings?

    Yes. In addition to deals on Illinois to Montana flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Montana?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Montana.

  • Can I find deals for business class flights from Illinois to Montana?

    Yes. Cheapflights offers flight deals from Illinois to Montana by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Illinois to Montana that allow pets onboard?

    Many airlines flying from Illinois to Montana offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Illinois to Montana?

    Yes, you can often find last-minute deals on Illinois to Montana flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Illinois to Montana flight deals updated?

    The Illinois to Montana flight deals you see on this page were last updated on 10/30.

  • What is the cheapest month to book a flight from Illinois to Montana?

    Currently, October is the cheapest month in which you can book a flight from Illinois to Montana (average of $366). Flying from Illinois to Montana in June is currently the most expensive (average of $516). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 5 airlines flying from Illinois to Montana

Discover the top 5 airlines that operate flights from Illinois to Montana. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,570,725 searches. Data last updated octubre 31, 2024.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$175Average$245FlexibilityNo cancel feeOn-time83%
DeltaCheapest$182Average$482FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$230Average$609FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$248Average$512FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$267Average$573FlexibilityNo cancel feeOn-time75%
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