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$101+ 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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BZN
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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Cheap flight deals from Illinois to Montana

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) to Montana (USMT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 21, 2024.

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 November 21, 2024.

This Delta deal was found by Cheapflights users on 11/21. 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.
Sun 12/156:30 pmSTL - FCA
1 stop7h 20mDelta
Wed 12/182:00 pmFCA - STL
1 stop7h 26mDelta
Deal found 11/21$306
This Mytrip deal was found by Cheapflights users on 11/20. 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.
Wed 12/46:33 pmORD - FCA
2 stops27h 34mMultiple Airlines
Sun 12/812:04 pmFCA - ORD
1 stop17h 39mMultiple Airlines
Deal found 11/20$337
This United Airlines deal was found by Cheapflights users on 11/21. 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.
Tue 12/244:00 pmORD - BZN
1 stop8h 02mUnited Airlines
Sun 12/294:04 pmBZN - ORD
Nonstop3h 21mUnited Airlines
Deal found 11/21$340
This Delta deal was found by Cheapflights users on 11/20. 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.
Wed 12/185:25 pmORD - BZN
1 stop7h 13mDelta
Wed 12/255:55 amBZN - ORD
2 stops11h 57mDelta
Deal found 11/20$347
This United Airlines deal was found by Cheapflights users on 11/21. 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.
Thu 12/196:00 amSTL - BZN
1 stop8h 01mUnited Airlines
Thu 12/267:25 amBZN - STL
1 stop5h 59mUnited Airlines
Deal found 11/21$352
This Delta deal was found by Cheapflights users on 11/20. 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.
Tue 12/244:50 pmMDW - BZN
1 stop7h 46mDelta
Tue 12/315:55 amBZN - MDW
2 stops10h 16mDelta
Deal found 11/20$362
This Southwest deal was found by Cheapflights users on 11/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/172:40 pmSTL - BZN
1 stop7h 30mSouthwest
Tue 12/243:05 pmBZN - STL
1 stop5h 40mSouthwest
Deal found 11/19$364
This Delta deal was found by Cheapflights users on 11/21. 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.
Fri 12/66:20 amORD - FCA
1 stop7h 45mDelta
Tue 12/105:25 amFCA - ORD
1 stop6h 26mDelta
Deal found 11/21$368
This Mytrip deal was found by Cheapflights users on 11/20. 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.
Thu 12/56:33 pmORD - BIL
2 stops27h 45mMultiple Airlines
Sat 12/712:34 pmBIL - ORD
1 stop15h 56mMultiple Airlines
Deal found 11/20$368
This American Airlines deal was found by Cheapflights users on 11/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/208:20 amORD - BZN
Nonstop3h 38mAmerican Airlines
Sun 12/222:00 pmBZN - ORD
Nonstop3h 06mAmerican Airlines
Deal found 11/20$379
This United Airlines deal was found by Cheapflights users on 11/21. 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.
Thu 12/198:45 amORD - FCA
Nonstop4h 05mUnited Airlines
Thu 12/265:20 pmFCA - ORD
1 stop5h 39mUnited Airlines
Deal found 11/21$384
This Southwest deal was found by Cheapflights users on 11/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2210:40 pmMDW - BZN
1 stop12h 10mSouthwest
Sun 12/294:20 pmBZN - MDW
1 stop6h 55mSouthwest
Deal found 11/19$398

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 2,612,795 searches. Data last updated November 21, 2024.

Fly from

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Fly to

Any airport

Route

Depart

Return

Price

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Wed 1/8

2:39 pm-9:42 pm

1 stop8h 03m

Missoula Johnson-Bell Field

Wed 1/15

5:03 pm-11:59 pm

1 stop5h 56m

$268

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Wed 1/8

1:40 pm-12:41 am

2 stops12h 01m

Missoula Johnson-Bell Field

Wed 1/15

8:00 am-3:33 pm

1 stop6h 33m

$283

ChicagoMissoula

MDW - MSO

MDWMSO

Chicago Midway

Wed 1/8

1:26 pm-8:27 pm

1 stop8h 01m

Missoula Johnson-Bell Field

Wed 1/15

8:00 am-6:14 pm

2 stops9h 14m

$283

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Sun 12/15

6:30 pm-12:50 am

1 stop7h 20m

Kalispell Glacier Park

Wed 12/18

2:00 pm-10:26 pm

1 stop7h 26m

$306

ChicagoMissoula

ORD - MSO

ORDMSO

Chicago O'Hare Intl

Wed 1/15

2:07 pm-11:58 pm

1 stop10h 51m

Missoula Johnson-Bell Field

Wed 1/22

2:38 pm-11:59 pm

1 stop8h 21m

$308

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Wed 1/8

7:10 am-1:23 pm

1 stop7h 13m

Billings Logan Intl

Wed 1/15

7:00 am-1:18 pm

1 stop5h 18m

$314

ChicagoKalispell

ORD - FCA

ORDFCA

Chicago O'Hare Intl

Sat 1/11

8:30 am-11:40 am

Nonstop4h 10m

Kalispell Glacier Park

Fri 1/17

2:43 pm-11:59 pm

1 stop8h 16m

$319

ChicagoBillings

ORD - BIL

ORDBIL

Chicago O'Hare Intl

Wed 1/8

5:00 pm-12:31 am

1 stop8h 31m

Billings Logan Intl

Wed 1/15

5:20 am-3:33 pm

2 stops9h 13m

$319

ChicagoKalispell

ORD - FCA

ORDFCA

Chicago O'Hare Intl

Sat 1/11

5:00 pm-11:11 pm

1 stop7h 11m

Kalispell Glacier Park

Fri 1/17

3:00 pm-9:58 pm

1 stop5h 58m

$321

ChicagoKalispell

ORD - FCA

ORDFCA

Chicago O'Hare Intl

Tue 4/8

5:10 pm-12:03 am

1 stop7h 53m

Kalispell Glacier Park

Sat 4/12

6:54 pm-1:03 pm

1 stop17h 09m

$328

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 54 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 $370). 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 November 21, 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.

Weekly flight availability from Illinois to Montana

Explore weekly flight availability from Illinois to Montana. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 21, 2024.

The most flights from USIL to USMT are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

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 November 21, 2024.
See what other customers who have flown with American Airlines, United Airlines and Southwest 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
5,005 reviews

Boarding

8.2

Crew

8.7

Comfort

8.1

Food

7.2

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

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

Southwest
8.1
Very good
5,005 reviews
Southwest
8.1
Very good
5,005 reviews

Boarding

8.2

Crew

8.7

Comfort

8.1

Food

7.2

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

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

Alaska Airlines
8.0
Very good
9,464 reviews
Southwest
8.1
Very good
5,005 reviews

Boarding

8.2

Crew

8.7

Comfort

8.1

Food

7.2

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

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

Delta
8.0
Very good
8,755 reviews
Southwest
8.1
Very good
5,005 reviews

Boarding

8.2

Crew

8.7

Comfort

8.1

Food

7.2

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

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

United Airlines
7.4
Good
9,172 reviews
Southwest
8.1
Very good
5,005 reviews

Boarding

8.2

Crew

8.7

Comfort

8.1

Food

7.2

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

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

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
5,005 reviews

Boarding

8.2

Crew

8.7

Comfort

8.1

Food

7.2

Overall

8.1

Entertainment

7.7

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.

  • 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. Alaska Airlines flights start at $134 while deals on Southwest start at $159 one-way.

  • 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.

  • 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 $370). 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.

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Alternative routes for Illinois to Montana

See prices for flight routes from nearby airports that may be better suited for you.
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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 2,612,795 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$175Average$245FlexibilityNo cancel feeOn-time83%
DeltaCheapest$182Average$472FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$239Average$612FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$248Average$510FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$267Average$590FlexibilityNo cancel feeOn-time75%
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