What airlines fly to Butte?

American Airlines, United Airlines and Alaska Airlines are the top three most popular airlines that fly to Butte from Illinois according to our data. American Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Butte. Keep in mind that there are 5 different airlines that fly to Butte on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Butte?

Flight times from Illinois to Butte vary, but if you’re flying out of Chicago and flying into Bozeman (one of the most popular routes), then the duration is 3h 16m on average. Another popular route from Illinois to Butte is flying from Moline to Bozeman, which will take roughly 5h 16m. Keep in mind that layovers or delays could extend your travel time.

When did momondo last update prices for flights from Illinois to Butte Silver Bow Co Airport?

Prices for flights from Illinois to Butte Silver Bow Co Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Illinois to Butte Silver Bow Co Airport?

As of December 2025, there is 1 operator available to choose from for flights from Illinois to Butte Silver Bow Co Airport.

How old do you have to be to fly from Illinois to Butte Silver Bow Co Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois to Butte Silver Bow Co Airport.

What documentation or ID do you need to fly to Butte Silver Bow Co Airport?

The travel and health documents you'll need for your trip to Butte Silver Bow Co Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Butte Silver Bow Co Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$268 Cheap Flights from Illinois to Butte in 2025/26

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Illinois to Butte

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:32 am - 5:11 pm

MDW

BTM

8h 39m2 stops

6:10 pm - 9:53 am

BTM

MDW

14h 43m2 stops

$324Delta

Sun, Jan 18 - Mon, Jan 26

4:15 pm - 10:45 pm

STL

BTM

7h 30m1 stop

9:14 am - 9:13 pm

BTM

STL

10h 59m2 stops

$358United Airlines

Tue, Jan 13 - Sat, Jan 17

8:30 am - 10:45 pm

STL

BTM

15h 15m2 stops

9:14 am - 11:59 pm

BTM

STL

13h 45m2 stops

$363United Airlines

Tue, Jan 13 - Sat, Jan 17

6:00 am - 5:11 pm

MDW

BTM

12h 11m2 stops

6:10 pm - 9:53 am

BTM

MDW

14h 43m2 stops

$389Delta

Mon, Jan 19 - Mon, Jan 26

1:28 pm - 5:11 pm

MDW

BTM

28h 43m2 stops

6:10 pm - 9:53 am

BTM

MDW

14h 43m2 stops

$394Delta

Sat, Jan 17 - Mon, Jan 26

9:32 am - 5:11 pm

MDW

BTM

8h 39m2 stops

6:10 pm - 9:53 am

BTM

MDW

14h 43m2 stops

$413Delta

Sun, Jan 18 - Tue, Jan 27

3:59 pm - 10:45 pm

ORD

BTM

7h 46m1 stop

9:14 am - 6:46 pm

BTM

ORD

8h 32m1 stop

$424United Airlines

Tue, Jan 13 - Sat, Jan 17

2:13 pm - 10:45 pm

ORD

BTM

33h 32m2 stops

9:14 am - 6:46 pm

BTM

ORD

8h 32m1 stop

$439United Airlines

Tue, Jan 13 - Sat, Jan 17

7:57 pm - 10:45 pm

ORD

BTM

27h 48m2 stops

9:14 am - 6:46 pm

BTM

ORD

8h 32m1 stop

$457United Airlines

Tue, Jan 13 - Sat, Jan 17

6:00 am - 5:11 pm

MDW

BTM

12h 11m2 stops

6:10 pm - 9:53 am

BTM

MDW

14h 43m2 stops

$478Delta

Mon, Jan 19 - Tue, Jan 27

Delta flights from Illinois to Butte

Our best Delta deals on Illinois to Butte flight tickets

Delta

Jan 18

MDW9:32 amChicago Midway

8h 39m

2 stops

BTM5:11 pmButte Silver Bow Co

Jan 26

BTM6:10 pmButte Silver Bow Co

14h 43m

2 stops

MDW9:53 amChicago Midway

$324

Find similar

Delta

Jan 17

ORD5:30 amChicago O'Hare Intl

12h 41m

2 stops

BTM5:11 pmButte Silver Bow Co

Jan 27

BTM6:10 pmButte Silver Bow Co

13h 33m

2 stops

ORD8:43 amChicago O'Hare Intl

$388

Find similar

Delta

Jan 19

MDW6:00 amChicago Midway

12h 11m

2 stops

BTM5:11 pmButte Silver Bow Co

Jan 26

BTM6:10 pmButte Silver Bow Co

14h 43m

2 stops

MDW9:53 amChicago Midway

$389

Find similar

United Airlines flights from Illinois to Butte

Our best United Airlines deals on Illinois to Butte flight tickets

United Airlines

Jan 13

STL4:15 pmLambert-St Louis

7h 30m

1 stop

BTM10:45 pmButte Silver Bow Co

Jan 17

BTM9:14 amButte Silver Bow Co

13h 45m

2 stops

STL11:59 pmLambert-St Louis

$358

Find similar

United Airlines

Jan 13

STL8:30 amLambert-St Louis

15h 15m

2 stops

BTM10:45 pmButte Silver Bow Co

Jan 17

BTM9:14 amButte Silver Bow Co

10h 59m

2 stops

STL9:13 pmLambert-St Louis

$363

Find similar

United Airlines

Jan 17

ORD3:59 pmChicago O'Hare Intl

7h 46m

1 stop

BTM10:45 pmButte Silver Bow Co

Jan 23

BTM9:14 amButte Silver Bow Co

8h 32m

1 stop

ORD6:46 pmChicago O'Hare Intl

$364

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoButte

MDW - BTM

MDWBTM

Chicago Midway

Sun 1/18

9:32 am-5:11 pm

2 stops8h 39m

Butte Silver Bow Co

Mon 1/26

6:10 pm-9:53 am

2 stops14h 43m

$324

St. LouisButte

STL - BTM

STLBTM

Lambert-St Louis

Tue 1/13

4:15 pm-10:45 pm

1 stop7h 30m

Butte Silver Bow Co

Sat 1/17

9:14 am-9:13 pm

2 stops10h 59m

$358

St. LouisButte

STL - BTM

STLBTM

Lambert-St Louis

Tue 1/13

8:30 am-10:45 pm

2 stops15h 15m

Butte Silver Bow Co

Sat 1/17

9:14 am-11:59 pm

2 stops13h 45m

$363

ChicagoButte

MDW - BTM

MDWBTM

Chicago Midway

Mon 1/19

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

$389

ChicagoButte

MDW - BTM

MDWBTM

Chicago Midway

Sat 1/17

1:28 pm-5:11 pm

2 stops28h 43m

Butte Silver Bow Co

Mon 1/26

6:10 pm-9:53 am

2 stops14h 43m

$394

ChicagoButte

MDW - BTM

MDWBTM

Chicago Midway

Sun 1/18

9:32 am-5:11 pm

2 stops8h 39m

Butte Silver Bow Co

Tue 1/27

6:10 pm-9:53 am

2 stops14h 43m

$413

ChicagoButte

ORD - BTM

ORDBTM

Chicago O'Hare Intl

Tue 1/13

3:59 pm-10:45 pm

1 stop7h 46m

Butte Silver Bow Co

Sat 1/17

9:14 am-6:46 pm

1 stop8h 32m

$424

ChicagoButte

ORD - BTM

ORDBTM

Chicago O'Hare Intl

Tue 1/13

2:13 pm-10:45 pm

2 stops33h 32m

Butte Silver Bow Co

Sat 1/17

9:14 am-6:46 pm

1 stop8h 32m

$439

ChicagoButte

ORD - BTM

ORDBTM

Chicago O'Hare Intl

Tue 1/13

7:57 pm-10:45 pm

2 stops27h 48m

Butte Silver Bow Co

Sat 1/17

9:14 am-6:46 pm

1 stop8h 32m

$457

ChicagoButte

MDW - BTM

MDWBTM

Chicago Midway

Mon 1/19

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

$478

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Illinois to Butte

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest day to depart on your flight to Butte?

Our data shows that Sunday is the least expensive day to fly to Butte. Tickets to fly out on this day can be as low as $406. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Illinois to Butte for around $753.

Cheap Illinois to Butte flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Butte

Fastest flight time	5h 45m
Direct flights	None

The fastest flight from Illinois to Butte takes 5h 45m

There are no direct flights from Illinois to Butte. There are no popular flight routes from Illinois to Butte.

Search flight deals

When did momondo last update prices for flights from Illinois to Butte Silver Bow Co Airport?
Prices for flights from Illinois to Butte Silver Bow Co Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Illinois to Butte Silver Bow Co Airport?
As of December 2025, there is 1 operator available to choose from for flights from Illinois to Butte Silver Bow Co Airport.
How old do you have to be to fly from Illinois to Butte Silver Bow Co Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois to Butte Silver Bow Co Airport.
What documentation or ID do you need to fly to Butte Silver Bow Co Airport?
The travel and health documents you'll need for your trip to Butte Silver Bow Co Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Butte Silver Bow Co Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Dillon

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Butte?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Illinois to Butte for you.

Can I find flights from Illinois to Butte with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Illinois to Butte flights to just show those with flexible booking policies.

How can momondo help me find flights from Illinois to Butte?

momondo provides multiple filters to help you find the best flight to Butte from Illinois. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Illinois to Butte right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Illinois to Butte flights. All you need is a valid email address and we will do the rest; it is that quick and easy.