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Butte

$353+ Cheap flights from Illinois to Butte (BTM)

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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BTM
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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Cheap flight deals from Illinois to Butte

Keep the following information in mind while searching for Illinois to Butte flight deals. Data was last updated January 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$375
(United Airlines)

One-way from

$353
(United Airlines)
Provider with most accurate pricing for Chicago (CHI)-Butte Silver Bow Co flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Butte Silver Bow Co flights.
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From Illinois to Butte Silver Bow Co
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One-way flight from Illinois to Butte Silver Bow Co
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Find flight deals from Illinois to Butte

Cheapest flights from Illinois to Butte
Explore the most affordable flight options available from Illinois to Butte. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 8, 2026.

This United Airlines deal was found by Cheapflights users on 1/7. 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 1/204:15 pmSTL - BTM
1 stop7h 30mUnited Airlines
Tue 1/279:14 amBTM - STL
2 stops12h 44mUnited Airlines
Deal found 1/7$375
This United Airlines deal was found by Cheapflights users on 1/6. 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.
Sat 1/244:15 pmSTL - BTM
1 stop7h 30mUnited Airlines
Tue 1/279:14 amBTM - STL
2 stops13h 45mUnited Airlines
Deal found 1/6$399
This United Airlines deal was found by Cheapflights users on 1/6. 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.
Wed 1/216:00 pmSTL - BTM
1 stop5h 45mUnited Airlines
Sun 1/259:14 amBTM - STL
1 stop6h 41mUnited Airlines
Deal found 1/6$415
This United Airlines deal was found by Cheapflights users on 1/8. 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 9/153:00 pmORD - BTM
1 stop8h 22mUnited Airlines
Wed 9/2310:00 amBTM - ORD
1 stop5h 49mUnited Airlines
Deal found 1/8$425
This Delta deal was found by Cheapflights users on 1/8. 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 9/68:55 amORD - BTM
2 stops9h 10mDelta
Fri 9/186:10 pmBTM - ORD
2 stops28h 37mDelta
Deal found 1/8$444
This United Airlines deal was found by Cheapflights users on 1/8. 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.
Fri 9/113:55 pmORD - BTM
1 stop7h 27mUnited Airlines
Mon 9/1410:00 amBTM - ORD
1 stop24h 09mUnited Airlines
Deal found 1/8$447
This Delta deal was found by Cheapflights users on 1/6. 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.
Thu 1/226:00 amMDW - BTM
2 stops12h 11mDelta
Mon 1/266:10 pmBTM - MDW
2 stops14h 43mDelta
Deal found 1/6$470
This Delta deal was found by Cheapflights users on 1/6. 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.
Thu 1/228:50 amORD - BTM
2 stops9h 21mDelta
Mon 1/266:10 pmBTM - ORD
2 stops13h 32mDelta
Deal found 1/6$470
This Delta deal was found by Cheapflights users on 1/8. 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.
Sat 9/129:30 amORD - BTM
2 stops8h 35mDelta
Mon 9/146:10 pmBTM - ORD
2 stops22h 12mDelta
Deal found 1/8$474
This Delta deal was found by Cheapflights users on 1/8. 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 9/158:55 amORD - BTM
2 stops9h 10mDelta
Tue 9/226:10 pmBTM - ORD
2 stops14h 54mDelta
Deal found 1/8$475
This Delta deal was found by Cheapflights users on 1/8. 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 9/187:59 pmORD - BTM
2 stops22h 06mDelta
Tue 9/226:10 pmBTM - ORD
2 stops14h 54mDelta
Deal found 1/8$477
This Delta deal was found by Cheapflights users on 1/8. 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 9/97:20 amORD - BTM
2 stops10h 45mDelta
Mon 9/146:10 pmBTM - ORD
2 stops28h 37mDelta
Deal found 1/8$478

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Butte 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 2,558,603 searches. Data last updated January 8, 2026.
Use the filters below to find and compare flights from Illinois to Butte that are best for you.

Fly from

Illinois

Fly to

Butte

Route

Depart

Return

Price

St. LouisButte

STL - BTM

STLBTM

Lambert-St Louis

Tue 1/20

4:15 pm-10:45 pm

1 stop7h 30m

Butte Silver Bow Co

Tue 1/27

9:14 am-10:58 pm

2 stops12h 44m

$375

St. LouisButte

STL - BTM

STLBTM

Lambert-St Louis

Sat 1/24

4:15 pm-10:45 pm

1 stop7h 30m

Butte Silver Bow Co

Tue 1/27

9:14 am-11:59 pm

2 stops13h 45m

$399

St. LouisButte

STL - BTM

STLBTM

Lambert-St Louis

Wed 1/21

6:00 pm-10:45 pm

1 stop5h 45m

Butte Silver Bow Co

Sun 1/25

9:14 am-4:55 pm

1 stop6h 41m

$415

ChicagoButte

MDW - BTM

MDWBTM

Chicago Midway

Thu 1/22

6:00 am-5:11 pm

2 stops12h 11m

Butte Silver Bow Co

Mon 1/26

6:10 pm-9:53 am

2 stops14h 43m

$470

ChicagoButte

ORD - BTM

ORDBTM

Chicago O'Hare Intl

Thu 1/22

8:50 am-5:11 pm

2 stops9h 21m

Butte Silver Bow Co

Mon 1/26

6:10 pm-8:42 am

2 stops13h 32m

$470

ChicagoButte

ORD - BTM

ORDBTM

Chicago O'Hare Intl

Fri 1/23

7:58 pm-10:45 pm

2 stops27h 47m

Butte Silver Bow Co

Tue 1/27

9:14 am-6:46 pm

1 stop8h 32m

$513

ChicagoButte

ORD - BTM

ORDBTM

Chicago O'Hare Intl

Thu 1/22

7:58 pm-10:45 pm

2 stops27h 47m

Butte Silver Bow Co

Mon 1/26

9:14 am-9:44 am

1 stop23h 30m

$539

ChicagoButte

ORD - BTM

ORDBTM

Chicago O'Hare Intl

Wed 1/21

8:55 am-10:45 pm

2 stops14h 50m

Butte Silver Bow Co

Sat 1/24

9:14 am-6:46 pm

1 stop8h 32m

$549

ChicagoButte

MDW - BTM

MDWBTM

Chicago Midway

Fri 1/23

6:00 am-5:11 pm

2 stops12h 11m

Butte Silver Bow Co

Tue 1/27

6:10 pm-9:53 am

2 stops14h 43m

$560

ChicagoButte

ORD - BTM

ORDBTM

Chicago O'Hare Intl

Fri 1/23

6:15 am-5:11 pm

2 stops11h 56m

Butte Silver Bow Co

Tue 1/27

6:10 pm-8:43 am

2 stops13h 33m

$560

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Showing 1-10 of 14 results
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Best time to book a flight from Illinois to Butte

Have a flexible travel schedule? Discover the best time to fly to Butte 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.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Butte

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

Currently, October is the cheapest month in which you can book a flight from Illinois to Butte (average of $190). Flying from Illinois to Butte in March is currently the most expensive (average of $289). 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.

Related info for your journey

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

  • What airport do you fly into for flights to Butte from Illinois?

    For a flight from Illinois to Butte, you will be flying into Silver Bow Co. Butte Silver Bow Co (BTM) is just 3.8 mi from the center of the city.

  • How long is the flight from Illinois to Butte?

    A quick flight from Illinois to Butte can take about 7h 30m. United Airlines provides one of the quickest options available for as low as $375. Illinois and Butte are separated by a distance of 1228 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Illinois to Butte?

    The most popular route from Illinois to Butte is Chicago O'Hare Intl - Butte Silver Bow Co. You may also consider Lambert-St Louis - Butte Silver Bow Co or Chicago Midway - Butte Silver Bow Co.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois to Butte 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 Butte?

    Currently, October is the cheapest month in which you can book a flight from Illinois to Butte (average of $190). Flying from Illinois to Butte in March is currently the most expensive (average of $289). 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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