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$295+ Cheap flights from Butte (BTM) to Illinois

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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
BTM — ORD
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
1 adult, Economy
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Cheap flight deals from Butte to Illinois

Keep the following information in mind while searching for Butte to Illinois flight deals. Data was last updated septiembre 11, 2025.

Round-trip from

$387
(United Airlines)

One-way from

$295
(Delta)
From Butte Silver Bow Co to Illinois
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One-way flight from Butte Silver Bow Co to Illinois
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Find flight deals from Butte to Illinois

Cheapest flights from Butte to Illinois
Explore the most affordable flight options available from Butte to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/11. 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.
mié. 10/159:47 amBTM - ORD
1 stop11h 52mUnited Airlines
mar. 10/212:53 pmORD - BTM
1 stop8h 28mUnited Airlines
Deal found 9/11$387
This United Airlines deal was found by Cheapflights users on 9/11. 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. 9/269:47 amBTM - ORD
1 stop7h 38mUnited Airlines
mar. 9/308:09 pmORD - BTM
1 stop27h 12mUnited Airlines
Deal found 9/11$422
This United Airlines deal was found by Cheapflights users on 9/10. 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.
jue. 9/259:47 amBTM - ORD
1 stop11h 52mUnited Airlines
lun. 9/292:53 pmORD - BTM
1 stop8h 28mUnited Airlines
Deal found 9/10$532
This United Airlines deal was found by Cheapflights users on 9/8. 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.
vie. 11/219:47 amBTM - ORD
1 stop22h 53mUnited Airlines
mar. 12/29:17 amORD - BTM
2 stops14h 12mUnited Airlines
Deal found 9/8$545
This United Airlines deal was found by Cheapflights users on 9/8. 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.
vie. 11/219:47 amBTM - ORD
1 stop22h 53mUnited Airlines
lun. 12/19:30 pmORD - BTM
1 stop25h 59mUnited Airlines
Deal found 9/8$564
This Delta deal was found by Cheapflights users on 9/8. 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.
vie. 11/216:10 pmBTM - MDW
2 stops23h 08mDelta
vie. 11/286:00 amMDW - BTM
2 stops12h 14mDelta
Deal found 9/8$716
This Delta deal was found by Cheapflights users on 9/8. 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.
vie. 11/216:10 pmBTM - MDW
2 stops23h 08mDelta
mar. 12/21:50 pmMDW - BTM
2 stops28h 20mDelta
Deal found 9/8$771
This Delta deal was found by Cheapflights users on 9/11. 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. 9/266:14 pmBTM - MDW
2 stops14h 34mDelta
mar. 9/309:20 amMDW - BTM
2 stops8h 43mDelta
Deal found 9/11$809
This Delta deal was found by Cheapflights users on 9/8. 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.
vie. 11/216:10 pmBTM - MDW
2 stops28h 22mDelta
lun. 12/15:34 pmMDW - BTM
2 stops24h 36mDelta
Deal found 9/8$851
This Delta deal was found by Cheapflights users on 9/10. 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. 9/256:14 pmBTM - MDW
2 stops14h 26mDelta
lun. 9/299:35 amMDW - BTM
2 stops8h 28mDelta
Deal found 9/10$1,209
This Delta deal was found by Cheapflights users on 9/8. 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.
vie. 11/216:10 pmBTM - MDW
2 stops14h 43mDelta
dom. 11/306:00 amMDW - BTM
2 stops12h 14mDelta
Deal found 9/8$1,499

Cheapflights Fare Finder

 
Customize your flight search to find flights from Butte 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 2,558,603 searches. Data last updated septiembre 11, 2025.
Use the filters below to find and compare flights from Butte to Illinois that are best for you.

Fly from

Butte

Fly to

Illinois

Route

Depart

Return

Price

ButteChicago

BTM - ORD

BTMORD

Butte Silver Bow Co

mié. 10/15

9:47 am-8:25 pm

1 stop9h 38m

Chicago O'Hare Intl

mar. 10/21

2:53 pm-10:21 pm

1 stop8h 28m

$387

ButteChicago

BTM - ORD

BTMORD

Butte Silver Bow Co

vie. 9/26

9:47 am-6:25 pm

1 stop7h 38m

Chicago O'Hare Intl

mar. 9/30

8:09 pm-10:21 pm

1 stop27h 12m

$422

ButteChicago

BTM - ORD

BTMORD

Butte Silver Bow Co

jue. 9/25

9:47 am-10:39 pm

1 stop11h 52m

Chicago O'Hare Intl

lun. 9/29

2:53 pm-10:21 pm

1 stop8h 28m

$532

ButteChicago

BTM - ORD

BTMORD

Butte Silver Bow Co

vie. 11/21

9:47 am-9:40 am

1 stop22h 53m

Chicago O'Hare Intl

mar. 12/2

9:17 am-10:29 pm

2 stops14h 12m

$545

ButteChicago

BTM - ORD

BTMORD

Butte Silver Bow Co

vie. 11/21

9:47 am-9:40 am

1 stop22h 53m

Chicago O'Hare Intl

lun. 12/1

9:30 pm-10:29 pm

1 stop25h 59m

$564

ButteChicago

BTM - MDW

BTMMDW

Butte Silver Bow Co

vie. 11/21

6:10 pm-6:18 pm

2 stops23h 08m

Chicago Midway

vie. 11/28

6:00 am-5:14 pm

2 stops12h 14m

$716

ButteChicago

BTM - MDW

BTMMDW

Butte Silver Bow Co

vie. 11/21

6:10 pm-6:18 pm

2 stops23h 08m

Chicago Midway

mar. 12/2

1:50 pm-5:10 pm

2 stops28h 20m

$771

ButteChicago

BTM - MDW

BTMMDW

Butte Silver Bow Co

vie. 9/26

6:14 pm-9:48 am

2 stops14h 34m

Chicago Midway

mar. 9/30

9:20 am-5:03 pm

2 stops8h 43m

$809

ButteChicago

BTM - MDW

BTMMDW

Butte Silver Bow Co

vie. 11/21

6:10 pm-11:32 pm

2 stops28h 22m

Chicago Midway

lun. 12/1

5:34 pm-5:10 pm

2 stops24h 36m

$851

ButteChicago

BTM - MDW

BTMMDW

Butte Silver Bow Co

jue. 9/25

6:14 pm-9:40 am

2 stops14h 26m

Chicago Midway

lun. 9/29

9:35 am-5:03 pm

2 stops8h 28m

$1,209

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 15 results
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Best time to book a flight from Butte to Illinois

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

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

Currently, August is the cheapest month in which you can book a flight from Butte to Illinois (average of $245). Flying from Butte to Illinois in March is currently the most expensive (average of $321). 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 Butte to Illinois. 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 from for flights from Butte to Illinois?

    Most people fly from Butte Silver Bow Co (BTM) if they book a flight from Butte to Illinois. Butte Silver Bow Co is conveniently located just 3.8 mi from Butte’s city center.

  • How long is the flight from Butte to Illinois?

    United Airlines and Delta can get you from Butte to Illinois in just under 9h 38m. Your travel time can differ by up to 13h 30m. There are 1247 mi between Butte and Illinois. This flight may include one or multiple stops.

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

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Butte 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.

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

    Currently, August is the cheapest month in which you can book a flight from Butte to Illinois (average of $245). Flying from Butte to Illinois in March is currently the most expensive (average of $321). 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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