HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$450+ Cheap flights from Butte (BTM) to Illinois

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
BTM — ORD
fev 26 — mar 51
qui 2/26
qui 3/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Butte to Illinois with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 janeiro 27, 2026.

This United Airlines deal was found by Cheapflights users on 1/24. 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.
qua 2/49:14 am
BTM
-
STL
1 stop6h 41m
United Airlines
sáb 2/74:15 pm
STL
-
BTM
1 stop7h 30m
United Airlines
Deal found 1/24$450
This United Airlines deal was found by Cheapflights users on 1/26. 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.
qua 2/119:14 am
BTM
-
ORD
1 stop8h 32m
United Airlines
dom 2/154:05 pm
ORD
-
BTM
1 stop7h 21m
United Airlines
Deal found 1/26$455
This United Airlines deal was found by Cheapflights users on 1/26. 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.
ter 2/2410:00 am
BTM
-
ORD
1 stop7h 55m
United Airlines
sáb 2/288:07 pm
ORD
-
BTM
1 stop27h 19m
United Airlines
Deal found 1/26$467
This United Airlines deal was found by Cheapflights users on 1/24. 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.
qua 1/289:14 am
BTM
-
MLI
2 stops11h 22m
United Airlines
sáb 1/3110:47 am
MLI
-
BTM
2 stops12h 58m
United Airlines
Deal found 1/24$500
This Delta deal was found by Cheapflights users on 1/26. 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.
qua 2/116:10 pm
BTM
-
ORD
2 stops13h 28m
Delta
dom 2/156:15 am
ORD
-
BTM
2 stops11h 54m
Delta
Deal found 1/26$500
This United Airlines deal was found by Cheapflights users on 1/25. 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.
seg 6/1510:00 am
BTM
-
ORD
1 stop22h 43m
United Airlines
seg 6/225:15 am
ORD
-
BTM
1 stop18h 07m
United Airlines
Deal found 1/25$527
This United Airlines deal was found by Cheapflights users on 1/25. 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.
seg 6/1510:00 am
BTM
-
ORD
1 stop11h 25m
United Airlines
ter 6/239:05 am
ORD
-
BTM
2 stops14h 17m
United Airlines
Deal found 1/25$553
This United Airlines deal was found by Cheapflights users on 1/25. 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.
seg 6/1510:00 am
BTM
-
ORD
1 stop22h 43m
United Airlines
sáb 6/209:45 pm
ORD
-
BTM
1 stop25h 37m
United Airlines
Deal found 1/25$572
This Delta deal was found by Cheapflights users on 1/25. 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.
seg 6/156:10 pm
BTM
-
MDW
2 stops22h 55m
Delta
sáb 6/209:20 am
MDW
-
BTM
2 stops8h 35m
Delta
Deal found 1/25$581
This Delta deal was found by Cheapflights users on 1/25. 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.
ter 6/166:10 pm
BTM
-
MDW
2 stops17h 57m
Delta
sáb 6/209:20 am
MDW
-
BTM
2 stops8h 35m
Delta
Deal found 1/25$599
This United Airlines deal was found by Cheapflights users on 1/26. 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.
qui 6/1810:00 am
BTM
-
STL
1 stop9h 59m
United Airlines
seg 6/225:20 am
STL
-
BTM
1 stop18h 02m
United Airlines
Deal found 1/26$629
This Delta deal was found by Cheapflights users on 1/25. 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.
seg 6/156:10 pm
BTM
-
MDW
2 stops14h 41m
Delta
ter 6/236:00 am
MDW
-
BTM
2 stops11h 55m
Delta
Deal found 1/25$850

Find flight deals from Butte to Illinois

Keep the following information in mind while searching for Butte to Illinois flight deals. Data was last updated janeiro 27, 2026.

Round-trip from

$455
(United Airlines)
From Butte Silver Bow Co to Illinois
Search Deals

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 janeiro 27, 2026.
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

qua 2/11

9:14 am-6:46 pm

1 stop8h 32m

Chicago O'Hare Intl

dom 2/15

4:05 pm-10:26 pm

1 stop7h 21m

$455

ButteChicago

BTM - ORD

BTMORD

Butte Silver Bow Co

ter 2/24

10:00 am-6:55 pm

1 stop7h 55m

Chicago O'Hare Intl

sáb 2/28

8:07 pm-10:26 pm

1 stop27h 19m

$467

ButteChicago

BTM - ORD

BTMORD

Butte Silver Bow Co

qua 2/11

6:10 pm-8:38 am

2 stops13h 28m

Chicago O'Hare Intl

dom 2/15

6:15 am-5:09 pm

2 stops11h 54m

$500

ButteChicago

BTM - ORD

BTMORD

Butte Silver Bow Co

qui 6/18

10:00 am-9:43 am

1 stop22h 43m

Chicago O'Hare Intl

seg 6/22

5:15 am-10:22 pm

1 stop18h 07m

$527

ButteChicago

BTM - ORD

BTMORD

Butte Silver Bow Co

qua 6/17

10:00 am-10:25 pm

1 stop11h 25m

Chicago O'Hare Intl

seg 6/22

5:15 am-10:22 pm

1 stop18h 07m

$527

ButteChicago

BTM - ORD

BTMORD

Butte Silver Bow Co

ter 6/16

10:00 am-10:25 pm

1 stop11h 25m

Chicago O'Hare Intl

qua 6/24

9:45 pm-10:22 pm

1 stop25h 37m

$527

ButteChicago

BTM - ORD

BTMORD

Butte Silver Bow Co

qui 6/18

10:00 am-9:43 am

1 stop22h 43m

Chicago O'Hare Intl

ter 6/23

9:45 pm-10:22 pm

1 stop25h 37m

$527

ButteChicago

BTM - MDW

BTMMDW

Butte Silver Bow Co

seg 6/15

6:10 pm-6:05 pm

2 stops22h 55m

Chicago Midway

sáb 6/20

9:20 am-4:55 pm

2 stops8h 35m

$581

ButteChicago

BTM - MDW

BTMMDW

Butte Silver Bow Co

ter 6/16

6:10 pm-1:07 pm

2 stops17h 57m

Chicago Midway

sáb 6/20

9:20 am-4:55 pm

2 stops8h 35m

$599

ButteChicago

BTM - MDW

BTMMDW

Butte Silver Bow Co

qui 6/18

6:10 pm-8:38 am

2 stops13h 28m

Chicago Midway

sáb 6/20

9:20 am-4:55 pm

2 stops8h 35m

$599

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 22 results
1
2
3

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, October is the cheapest month in which you can book a flight from Butte to Illinois (average of $169). Flying from Butte to Illinois in November is currently the most expensive (average of $298). 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 8h 32m. Your travel time can differ by up to 14h 23m. 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 - 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, October is the cheapest month in which you can book a flight from Butte to Illinois (average of $169). Flying from Butte to Illinois in November is currently the most expensive (average of $298). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Butte to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
Bozeman to Las Vegas flights
Bozeman to Sky Harbor Intl flights
Bozeman to Seattle flights
Billings to Sky Harbor Intl flights
Bozeman to Los Angeles flights
Missoula to Sky Harbor Intl flights
Bozeman to Denver flights
Bozeman to Dallas/Fort Worth flights
Missoula to Seattle flights
Kalispell to Seattle flights
Bozeman to Tucson flights
Bozeman to Newark flights
Bozeman to Orlando flights
Bozeman to San Diego flights
Billings to Seattle flights
Bozeman to San Francisco flights
Helena to Las Vegas flights
Bozeman to Minneapolis flights
Kalispell to Dallas/Fort Worth flights
Missoula to Las Vegas flights
Billings to Dallas/Fort Worth flights
Bozeman to LaGuardia flights
Bozeman to O'Hare Intl flights
Billings to Los Angeles flights
Bozeman to John F Kennedy Intl flights
Bozeman to Atlanta flights
Missoula to Los Angeles flights
Missoula to O'Hare Intl flights
Bozeman to Portland flights
Billings to Las Vegas flights
Missoula to Denver flights
Kalispell to Los Angeles flights
Billings to Pensacola flights
Bozeman to Boston flights
Missoula to San Francisco flights
Helena to Seattle flights
Bozeman to Santa Ana flights
Missoula to Portland flights
Helena to Sky Harbor Intl flights
Great Falls to Seattle flights
Bozeman to Salt Lake City flights
Bozeman to Austin flights
Kalispell to Denver flights
Missoula to San Diego flights
Great Falls to Orlando flights
Kalispell to Sky Harbor Intl flights
Billings to Denver flights
Billings to Saint George flights
Bozeman to Nashville flights
Billings to Ontario flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.