Cheap flights from Montana to Illinois from $109

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 4/20. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
BZN — ORD
Apr 3 — Apr 101

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

To save up to 83% on this flight, we recommend booking at least 46 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Montana to Illinois from $500 1-2 weeks out and tickets from $597 for flights departing within the next 72 hours.

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

The best pricing can be found in the month of February. Prices to Illinois from Montana average $493. You can even find prices in February for less than $493, as users have found deals to Illinois from as low as $254. The month of January appears to be one of the more expensive times to travel to Illinois from Montana. Flying in the targeted month can save you up to 21%.

When is the cheapest time to fly from Montana to Illinois (MT - IL)?

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

Cheap Delta flights from Montana to Illinois

Explore cheap flight options specifically provided by Delta for the route between Montana and Illinois. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,228,805 searches. Data last updated March 29, 2024.
Find some of the cheapest Delta flights traveling from Montana to Illinois. Make sure to check back often as deals are often changing.
Sat 5/46:00 amMSO - ORD
1 stop7h 55mDelta
Tue 5/77:30 pmORD - MSO
1 stop5h 52mDelta
Deal found 3/28$248
Sat 5/46:00 amMSO - ORD
2 stops12h 32mDelta
Tue 5/77:30 pmORD - MSO
1 stop5h 52mDelta
Deal found 3/27$253
Sat 5/46:00 amMSO - ORD
2 stops12h 32mDelta
Tue 5/77:30 pmORD - MSO
1 stop5h 52mDelta
Deal found 3/28$273
Sat 4/275:50 amGTF - ORD
1 stop4h 35mDelta
Wed 5/12:20 pmORD - GTF
2 stops22h 00mDelta
Deal found 3/28$275
Sat 4/2712:05 pmGTF - ORD
2 stops8h 04mDelta
Wed 5/12:20 pmORD - GTF
2 stops22h 00mDelta
Deal found 3/28$280
Sat 4/206:28 amBIL - ORD
1 stop4h 18mDelta
Wed 4/247:50 pmORD - BIL
1 stop5h 47mDelta
Deal found 3/28$281
Sat 4/205:30 amBIL - ORD
2 stops10h 20mDelta
Wed 4/247:50 pmORD - BIL
1 stop5h 47mDelta
Deal found 3/28$286
Tue 4/165:20 amFCA - ORD
1 stop6h 15mDelta
Tue 4/237:50 pmORD - FCA
1 stop5h 48mDelta
Deal found 3/28$306
Sat 5/46:00 amFCA - ORD
2 stops12h 32mDelta
Tue 5/77:30 pmORD - FCA
1 stop6h 23mDelta
Deal found 3/27$311

Cheap American Airlines flights from Montana to Illinois

Explore cheap flight options specifically provided by American Airlines for the route between Montana and Illinois. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,228,805 searches. Data last updated March 29, 2024.
Some of the best deals we've found on American Airlines flights traveling from Montana to Illinois. Ensure the flight price, dates, time, and airline match your criteria before you book.
Fri 9/61:30 pmMSO - ORD
1 stop8h 42mAmerican Airlines
Mon 9/97:35 amORD - MSO
1 stop7h 39mAmerican Airlines
Deal found 3/29$258
Sat 5/181:28 pmMSO - ORD
1 stop6h 17mAmerican Airlines
Sat 5/251:47 pmORD - MSO
1 stop8h 47mAmerican Airlines
Deal found 3/28$285
Wed 7/311:23 pmMSO - ORD
Nonstop3h 15mAmerican Airlines
Mon 8/510:10 amORD - MSO
Nonstop3h 43mAmerican Airlines
Deal found 3/28$293
Thu 7/41:23 pmMSO - ORD
Nonstop3h 22mAmerican Airlines
Tue 7/163:15 pmORD - MSO
1 stop7h 04mAmerican Airlines
Deal found 3/27$315
Wed 7/312:20 pmMSO - ORD
1 stop8h 53mAmerican Airlines
Mon 8/510:10 amORD - MSO
Nonstop3h 43mAmerican Airlines
Deal found 3/28$342
Thu 9/121:39 pmBZN - ORD
Nonstop3h 06mAmerican Airlines
Mon 9/169:55 amORD - BZN
Nonstop3h 14mAmerican Airlines
Deal found 3/27$351
Tue 6/111:21 pmBZN - ORD
Nonstop3h 04mAmerican Airlines
Sun 6/1610:00 amORD - BZN
Nonstop3h 26mAmerican Airlines
Deal found 3/27$356
Thu 6/61:21 pmBZN - ORD
Nonstop3h 04mAmerican Airlines
Mon 6/1010:00 amORD - BZN
Nonstop3h 26mAmerican Airlines
Deal found 3/27$401
Wed 7/311:21 pmBZN - ORD
Nonstop3h 01mAmerican Airlines
Mon 8/510:00 amORD - BZN
Nonstop3h 31mAmerican Airlines
Deal found 3/28$436

Cheap Montana to Illinois flights in March & April 2024

Find cheap flight options from Montana to Illinois specifically for the months of March and April 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,228,805 searches. Prices were last updated on March 29, 2024.
These are some of the most attractive deals on flights from Montana to Illinois in 2024. Check back soon for alternative fares.
Sat 4/275:50 amGTF - ORD
1 stop4h 35mDelta
Wed 5/12:20 pmORD - GTF
2 stops22h 00mDelta
Deal found 3/28$275
Sat 4/2712:05 pmGTF - ORD
2 stops8h 04mDelta
Wed 5/12:20 pmORD - GTF
2 stops22h 00mDelta
Deal found 3/28$280
Sat 4/206:28 amBIL - ORD
1 stop4h 18mDelta
Wed 4/247:50 pmORD - BIL
1 stop5h 47mDelta
Deal found 3/28$281
Tue 4/234:09 pmBZN - ORD
1 stop12h 36mAlaska Airlines
Wed 4/248:00 amORD - BZN
1 stop8h 14mAlaska Airlines
Deal found 3/27$282
Sat 4/205:30 amBIL - ORD
2 stops10h 20mDelta
Wed 4/247:50 pmORD - BIL
1 stop5h 47mDelta
Deal found 3/28$286
Tue 4/236:20 pmMSO - ORD
1 stop5h 39mDelta
Tue 4/305:20 pmORD - MSO
1 stop7h 17mDelta
Deal found 3/29$303
Tue 4/165:20 amFCA - ORD
1 stop6h 15mDelta
Tue 4/237:50 pmORD - FCA
1 stop5h 48mDelta
Deal found 3/28$306
Tue 4/234:09 pmBZN - ORD
1 stop6h 49mAlaska Airlines
Wed 4/246:00 amORD - BZN
1 stop29h 26mAlaska Airlines
Deal found 3/28$307
Tue 4/2311:14 amBZN - ORD
1 stop17h 31mAlaska Airlines
Sun 4/288:00 amORD - BZN
1 stop8h 14mAlaska Airlines
Deal found 3/28$326

Montana to Illinois 2024 flight deals

Discover exclusive flight deals for travel between Montana and Illinois in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,228,805 searches. Data last updated March 29, 2024.
These are some of the most attractive deals on flights from Montana to Illinois in 2024. Check back soon for alternative fares.
Sat 5/114:32 pmMSO - ORD
1 stop7h 24mFrontier
Tue 5/146:27 pmORD - MSO
1 stop21h 37mFrontier
Deal found 3/28$129
Thu 5/211:06 amMSO - MDW
1 stop8h 23mFrontier
Tue 5/710:55 pmMDW - MSO
1 stop17h 14mFrontier
Deal found 3/28$174
Sat 5/46:00 amMSO - ORD
1 stop7h 55mDelta
Tue 5/77:30 pmORD - MSO
1 stop5h 52mDelta
Deal found 3/28$248
Sat 5/46:00 amMSO - ORD
2 stops12h 32mDelta
Tue 5/77:30 pmORD - MSO
1 stop5h 52mDelta
Deal found 3/27$253
Fri 9/61:30 pmMSO - ORD
1 stop8h 42mAmerican Airlines
Mon 9/97:35 amORD - MSO
1 stop7h 39mAmerican Airlines
Deal found 3/29$258
Sat 5/46:00 amMSO - ORD
2 stops12h 32mDelta
Tue 5/77:30 pmORD - MSO
1 stop5h 52mDelta
Deal found 3/28$273
Sat 4/275:50 amGTF - ORD
1 stop4h 35mDelta
Wed 5/12:20 pmORD - GTF
2 stops22h 00mDelta
Deal found 3/28$275
Sat 4/2712:05 pmGTF - ORD
2 stops8h 04mDelta
Wed 5/12:20 pmORD - GTF
2 stops22h 00mDelta
Deal found 3/28$280
Sat 4/206:28 amBIL - ORD
1 stop4h 18mDelta
Wed 4/247:50 pmORD - BIL
1 stop5h 47mDelta
Deal found 3/28$281

Non-stop flights to Illinois from Montana

Discover non-stop flight options from Montana to Illinois. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 3,228,805 searches. Data last updated March 29, 2024.
Consider booking one of these non-stop flights heading from Montana to Illinois. If you're looking for other options for flights from Montana to Illinois, make sure to update the search form at the top of page.
Wed 7/311:23 pmMSO - ORD
Nonstop3h 15mAmerican Airlines
Mon 8/510:10 amORD - MSO
Nonstop3h 43mAmerican Airlines
Deal found 3/28$293
Mon 4/2912:40 pmBZN - ORD
Nonstop3h 03mUnited Airlines
Fri 5/39:00 amORD - BZN
Nonstop3h 24mUnited Airlines
Deal found 3/28$341
Thu 9/121:39 pmBZN - ORD
Nonstop3h 06mAmerican Airlines
Mon 9/169:55 amORD - BZN
Nonstop3h 14mAmerican Airlines
Deal found 3/28$351
Wed 7/31:23 pmMSO - ORD
Nonstop3h 22mAmerican Airlines
Wed 7/1710:10 amORD - MSO
Nonstop3h 43mAmerican Airlines
Deal found 3/28$351
Tue 6/111:21 pmBZN - ORD
Nonstop3h 04mAmerican Airlines
Sun 6/1610:00 amORD - BZN
Nonstop3h 26mAmerican Airlines
Deal found 3/28$356
Thu 5/237:45 amBZN - ORD
Nonstop3h 00mUnited Airlines
Sun 5/268:01 pmORD - BZN
Nonstop3h 21mUnited Airlines
Deal found 3/28$381
Tue 4/2312:40 pmBZN - ORD
Nonstop3h 03mUnited Airlines
Wed 4/249:13 amORD - BZN
Nonstop3h 24mUnited Airlines
Deal found 3/27$411
Fri 8/1612:51 pmMSO - ORD
Nonstop3h 19mUnited Airlines
Sun 8/189:13 amORD - MSO
Nonstop3h 42mUnited Airlines
Deal found 3/28$411
Thu 6/61:23 pmMSO - ORD
Nonstop3h 22mAmerican Airlines
Mon 6/1010:10 amORD - MSO
Nonstop3h 38mAmerican Airlines
Deal found 3/28$418

Montana to Illinois flights leaving soon

Find last-minute flight options from Montana to Illinois for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,228,805 searches. Data last updated March 29, 2024.
Check out these flights departing soon from Montana to Illinois. Users should be sure to double check the price, date, and time of their last-minute flight.
Wed 4/36:25 amBIL - ORD
1 stop4h 12mDelta
Sat 4/63:50 pmORD - BIL
1 stop5h 08mDelta
Deal found 3/28$361
Tue 4/22:23 pmMSO - ORD
1 stop7h 29mUnited Airlines
Sat 4/68:49 amORD - MSO
1 stop5h 32mUnited Airlines
Deal found 3/28$370
Thu 4/42:20 pmBIL - ORD
1 stop5h 52mUnited Airlines
Thu 4/115:00 amORD - BIL
1 stop6h 09mUnited Airlines
Deal found 3/28$380
Thu 4/112:00 pmBZN - MDW
1 stop6h 32mDelta
Sun 4/146:30 amMDW - BZN
1 stop6h 53mDelta
Deal found 3/28$450
Thu 4/42:46 pmBIL - ORD
1 stop15h 09mMultiple Airlines
Thu 4/116:27 pmORD - BIL
2 stops19h 26mMultiple Airlines
Deal found 3/28$461
Sat 4/61:37 pmBZN - ORD
2 stops18h 28mMultiple Airlines
Sun 4/710:46 pmORD - BZN
1 stop20h 58mMultiple Airlines
Deal found 3/28$496
Fri 4/57:45 amBZN - ORD
Nonstop3h 03mUnited Airlines
Mon 4/89:13 amORD - BZN
Nonstop3h 24mUnited Airlines
Deal found 3/27$511
Fri 4/57:45 amBZN - ORD
Nonstop3h 03mUnited Airlines
Mon 4/82:36 pmORD - BZN
1 stop7h 45mUnited Airlines
Deal found 3/27$520
Thu 4/116:20 pmMSO - ORD
1 stop5h 39mDelta
Sat 4/135:40 pmORD - MSO
1 stop6h 57mDelta
Deal found 3/28$528

One-way flights to Illinois from Montana

Search for one-way flight options from Montana to Illinois. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,228,805 searches. Data last updated March 29, 2024.
Some of the best available deals we've found on one-way flights from Montana to Illinois. Users needing a return flight from Montana to Illinois should utilize the search form above.
Sat 4/2012:05 pmGTF - ORD
1 stop8h 42mDelta
Deal found 3/27$109
Sat 4/205:30 amGTF - ORD
2 stops10h 20mDelta
Deal found 3/27$114
Wed 6/121:52 pmBZN - ORD
1 stop11h 00mMultiple Airlines
Deal found 3/27$119
Wed 6/1210:45 amBZN - ORD
1 stop7h 21mSun Country Air
Deal found 3/27$123
Sat 4/1312:05 pmGTF - ORD
1 stop8h 42mDelta
Deal found 3/27$129
Wed 4/176:31 pmMSO - ORD
1 stop9h 14mAlaska Airlines
Deal found 3/28$129
Thu 6/1310:08 pmBZN - ORD
1 stop29h 39mMultiple Airlines
Deal found 3/27$144
Tue 4/3011:14 amBZN - ORD
1 stop17h 31mAlaska Airlines
Deal found 3/28$147
Tue 4/95:30 amBIL - ORD
1 stop6h 05mDelta
Deal found 3/27$147

Find flights from Montana to Illinois within your budget

Customize your flight search to find flights from Montana to Illinois 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 3,228,805 searches. Data last updated March 29, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$129 - $402

Route

Depart

Return

Price

Missoula Johnson-Bell FieldChicago O'Hare Intl

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Sat 5/11

1 stop7h 24m

Chicago O'Hare Intl

Tue 5/14

1 stop21h 37m

$129

Missoula Johnson-Bell FieldChicago Midway

MSO - MDW

MSOMDW

Missoula Johnson-Bell Field

Thu 5/2

1 stop8h 23m

Chicago Midway

Tue 5/7

1 stop17h 14m

$174

Missoula Johnson-Bell FieldChicago O'Hare Intl

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Sat 5/4

1 stop7h 55m

Chicago O'Hare Intl

Tue 5/7

1 stop5h 52m

$248

Missoula Johnson-Bell FieldChicago O'Hare Intl

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Sat 5/4

2 stops12h 32m

Chicago O'Hare Intl

Tue 5/7

1 stop5h 52m

$253

Missoula Johnson-Bell FieldChicago O'Hare Intl

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Fri 9/6

1 stop8h 42m

Chicago O'Hare Intl

Mon 9/9

1 stop7h 39m

$258

Bozeman Gallatin FieldChicago O'Hare Intl

BZN - ORD

BZNORD

Bozeman Gallatin Field

Tue 4/23

1 stop12h 36m

Chicago O'Hare Intl

Wed 4/24

1 stop8h 14m

$282

Missoula Johnson-Bell FieldChicago O'Hare Intl

MSO - ORD

MSOORD

Missoula Johnson-Bell Field

Sat 5/18

1 stop6h 06m

Chicago O'Hare Intl

Sun 5/26

Nonstop3h 43m

$318

Bozeman Gallatin FieldChicago O'Hare Intl

BZN - ORD

BZNORD

Bozeman Gallatin Field

Wed 6/12

1 stop7h 21m

Chicago O'Hare Intl

Fri 6/14

1 stop14h 04m

$327

Bozeman Gallatin FieldChicago O'Hare Intl

BZN - ORD

BZNORD

Bozeman Gallatin Field

Thu 4/11

1 stop15h 03m

Chicago O'Hare Intl

Sun 4/14

2 stops25h 11m

$402

Flights are sorted by cheapest first

Deals found on 3/28

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated March 29, 2024.
Peruse reviews from past customers who have flown with Delta, American Airlines and United Airlines from Montana to Illinois to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
9,127 reviews

Overall

8.1

Entertainment

7.4

Boarding

8.2

Food

7.3

Crew

8.6

Comfort

7.9

Reviews

1 / 10

I would have liked flying out of the airport I chose not a different airport. My flight was moved to San Jose

8.1
Very good
9,127 reviews
8.1
Very good
9,127 reviews

Overall

8.1

Entertainment

7.4

Boarding

8.2

Food

7.3

Crew

8.6

Comfort

7.9

Reviews

1 / 10

I would have liked flying out of the airport I chose not a different airport. My flight was moved to San Jose

8.1
Very good
11,402 reviews
8.1
Very good
9,127 reviews

Overall

8.1

Entertainment

7.4

Boarding

8.2

Food

7.3

Crew

8.6

Comfort

7.9

Reviews

1 / 10

I would have liked flying out of the airport I chose not a different airport. My flight was moved to San Jose

7.4
Good
11,470 reviews
8.1
Very good
9,127 reviews

Overall

8.1

Entertainment

7.4

Boarding

8.2

Food

7.3

Crew

8.6

Comfort

7.9

Reviews

1 / 10

I would have liked flying out of the airport I chose not a different airport. My flight was moved to San Jose

7.3
Good
15,181 reviews
8.1
Very good
9,127 reviews

Overall

8.1

Entertainment

7.4

Boarding

8.2

Food

7.3

Crew

8.6

Comfort

7.9

Reviews

1 / 10

I would have liked flying out of the airport I chose not a different airport. My flight was moved to San Jose

7.3
Good
694 reviews
8.1
Very good
9,127 reviews

Overall

8.1

Entertainment

7.4

Boarding

8.2

Food

7.3

Crew

8.6

Comfort

7.9

Reviews

1 / 10

I would have liked flying out of the airport I chose not a different airport. My flight was moved to San Jose

Related info for your journey

Find useful and relevant information for your journey from Montana to Illinois. 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 Montana to Illinois for under $200 on Cheapflights?

    Yes, there are multiple flights from Montana to Illinois for under $200. The cheapest flight booked recently is on Frontier for just $129, but on average you can expect to pay $275.

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

    Cheapflights has at least 20 direct flights from Montana to Illinois under $300. A good price for a nonstop flight from Montana to Illinois is less than $409.

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

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

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

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

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

    On average, you can expect to see 15 flights from Montana to Illinois a day.
    Morning (6am - Noon) - 47% of flight departures
    Afternoon (Noon - 6pm) - 53% of flight departures

  • How long is the flight from Montana to Illinois?

    Departing from Montana to Illinois will take you 7h 24m. 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 Montana to Illinois one-way?

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $109. However, be on the lookout for offers from Sun Country Air and Alaska Airlines, as they are both options that can get you from Montana to Illinois for a low price.

  • What does BZN to ORD mean?

    Great question - BZN to ORD just means Bozeman Gallatin Field Airport to Chicago O'Hare Intl Airport. Now you’ll know what these unique codes when you look for flights! Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Champaign University-Willard Airport (CMI) are other airports near this flight route and their unique identifiers/IATA codes.

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

    The amount of baggage you can bring 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 Montana to Illinois with specific airlines?

    Yes, Cheapflights allows you to browse and filter 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 Montana to Illinois that include hotel bookings?

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

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

    After entering your origin and destination, apply the non-stop filter on the search result page to see available direct flights.

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

    Yes. Cheapflights offers flight deals from Montana to Illinois 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 Montana to Illinois that allow pets onboard?

    Many airlines do 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.

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

    The Montana to Illinois flight deals you see on this page were last updated on 3/29.

See more FAQs

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Alternative routes for Montana to Illinois
See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Montana to Illinois

Discover the top 4 airlines that operate flights from Montana to Illinois. 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 3,228,805 searches. Data last updated March 29, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$148Average$459FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$217Average$548FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$226Average$510FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Alaska AirlinesCheapest$367Average$534FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

Search flights from Montana to Illinois by cabin class

Find flights from Montana to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from Montana to Illinois

Find hourly flight availability from Montana to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 29, 2024.
1%of flight departuresEarly morningMidnight to 6 am
62%of flight departuresMorning6 am to noon
37%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Montana to Illinois?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Montana to Illinois. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Montana to Illinois?

Cheapflights simply makes it quick and affordable to book flights from Montana to Illinois by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Montana to Illinois with no change fees?

Need flexible booking options for your flight to Illinois from Montana? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Montana to Illinois become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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

Yes, you can often find last-minute deals on Montana to Illinois 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 can I compare prices from different travel booking sites for flights from Montana to Illinois?

Cheapflights aggregates prices from various travel booking sites. This allows you to compare prices and choose the best deal.

Can I find deals for flights from Montana to Illinois that offer flexible cancellation policies?

Cancellation policies vary by airline and fare type. After entering your flight details, you can view the cancellation policies for each deal in the search results. Some deals may offer flexibility in terms of cancellation and changes.

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