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$317+ 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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
BTM — ORD
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$440
(United Airlines)
From Butte Silver Bow Co to Illinois
Search Deals

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 July 3, 2025.

This United Airlines deal was found by Cheapflights users on 6/30. 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.
Tue 8/269:45 amBTM - MLI
2 stops10h 27mUnited Airlines
Sat 8/3010:45 amMLI - BTM
2 stops12h 36mUnited Airlines
Deal found 6/30$440
This United Airlines deal was found by Cheapflights users on 7/3. 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 10/159:47 amBTM - ORD
1 stop13h 12mUnited Airlines
Tue 10/212:53 pmORD - BTM
1 stop8h 28mUnited Airlines
Deal found 7/3$442
This Delta deal was found by Cheapflights users on 7/2. 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 10/46:10 pmBTM - MDW
2 stops14h 30mDelta
Tue 10/79:20 amMDW - BTM
2 stops8h 45mDelta
Deal found 7/2$564
This Delta deal was found by Cheapflights users on 7/1. 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 8/266:14 pmBTM - MLI
2 stops21h 05mDelta
Sat 8/304:59 pmMLI - BTM
2 stops25h 07mDelta
Deal found 7/1$598
This Delta deal was found by Cheapflights users on 7/2. 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 10/156:10 pmBTM - ORD
2 stops14h 53mDelta
Tue 10/218:55 amORD - BTM
2 stops9h 10mDelta
Deal found 7/2$1,059

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 July 3, 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

ButteMoline

BTM - MLI

BTMMLI

Butte Silver Bow Co

Tue 8/26

9:45 am-9:12 pm

2 stops10h 27m

Moline Quad-City

Sat 8/30

10:45 am-10:21 pm

2 stops12h 36m

$440

ButteChicago

BTM - ORD

BTMORD

Butte Silver Bow Co

Wed 10/15

9:47 am-11:59 pm

1 stop13h 12m

Chicago O'Hare Intl

Tue 10/21

2:53 pm-10:21 pm

1 stop8h 28m

$442

ButteChicago

BTM - MDW

BTMMDW

Butte Silver Bow Co

Sat 10/4

6:10 pm-9:40 am

2 stops14h 30m

Chicago Midway

Tue 10/7

9:20 am-5:05 pm

2 stops8h 45m

$564

ButteMoline

BTM - MLI

BTMMLI

Butte Silver Bow Co

Tue 8/26

6:14 pm-4:19 pm

2 stops21h 05m

Moline Quad-City

Sat 8/30

4:59 pm-5:06 pm

2 stops25h 07m

$598

ButteChicago

BTM - ORD

BTMORD

Butte Silver Bow Co

Wed 10/15

6:10 pm-8:34 am

2 stops13h 24m

Chicago O'Hare Intl

Tue 10/21

6:00 am-5:05 pm

2 stops12h 05m

$1,059

ButteChicago

BTM - ORD

BTMORD

Butte Silver Bow Co

Thu 12/4

10:00 am-8:58 pm

1 stop9h 58m

$317

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

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.

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 July 3, 2025.
Read through reviews of airlines operating flights from Butte to Illinois, such as Delta and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,861 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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 - Chicago Midway or Butte Silver Bow Co - Moline Quad-City.

  • 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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