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 12m on average. Another popular route from Illinois to Butte is flying from Moline to Bozeman, which will take roughly 5h 44m. 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 June 2026, 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.

$319 Cheap Flights from Illinois to Butte in 2026

Find the cheapest flights from Illinois to Butte

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:51 pm - 10:26 pm

ORD

BTM

5h 35m

1 stop

9:48 am - 7:30 pm

BTM

ORD

8h 42m

1 stop

$414United Airlines

Sat, Sep 19 - Wed, Sep 23

5:51 pm - 10:26 pm

ORD

BTM

5h 35m

1 stop

9:48 am - 7:43 am

BTM

ORD

20h 55m

2 stops

$524United Airlines

Sat, Sep 19 - Wed, Sep 23

4:20 pm - 10:27 pm

ORD

BTM

7h 07m

1 stop

10:00 am - 6:46 pm

BTM

ORD

7h 46m

1 stop

$535United Airlines

Sat, Oct 24 - Tue, Oct 27

4:20 pm - 10:27 pm

ORD

BTM

7h 07m

1 stop

10:00 am - 7:59 am

BTM

ORD

20h 59m

2 stops

$549United Airlines

Sat, Oct 24 - Tue, Oct 27

8:40 am - 10:27 pm

ORD

BTM

14h 47m

2 stops

10:00 am - 11:53 am

BTM

ORD

24h 53m

2 stops

$594United Airlines

Sat, Oct 24 - Tue, Oct 27

6:00 am - 10:30 pm

ORD

BTM

17h 30m

1 stop

9:48 am - 8:40 pm

BTM

ORD

9h 52m

1 stop

$643United Airlines

Sat, Jul 18 - Sat, Jul 25

6:30 am - 4:56 pm

STL

BTM

11h 26m

2 stops

6:10 pm - 12:41 am

BTM

STL

5h 31m

1 stop

$652Delta

Mon, Aug 3 - Fri, Aug 7

9:50 pm - 10:30 pm

ORD

BTM

25h 40m

1 stop

10:15 am - 12:44 am

BTM

ORD

13h 29m

1 stop

$682United Airlines

Sat, Jun 27 - Wed, Jul 1

7:08 am - 4:55 pm

STL

BTM

10h 47m

2 stops

6:10 pm - 12:41 am

BTM

STL

5h 31m

1 stop

$724Delta

Tue, Jul 14 - Mon, Jul 20

5:59 pm - 10:30 pm

STL

BTM

29h 31m

2 stops

10:15 am - 11:44 pm

BTM

STL

12h 29m

2 stops

$730United Airlines

Tue, Jul 28 - Fri, Jul 31

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United Airlines flights from Illinois to Butte

Our best United Airlines deals on Illinois to Butte flight tickets

United Airlines

Sep 19

ORD5:51 pmChicago O'Hare Intl

5h 35m

1 stop

BTM10:26 pmButte Silver Bow Co

Sep 23

BTM9:48 amButte Silver Bow Co

8h 42m

1 stop

ORD7:30 pmChicago O'Hare Intl

$414

United Airlines

Sep 19

ORD5:51 pmChicago O'Hare Intl

5h 35m

1 stop

BTM10:26 pmButte Silver Bow Co

Sep 23

BTM9:48 amButte Silver Bow Co

20h 55m

2 stops

ORD7:43 amChicago O'Hare Intl

$524

United Airlines

Oct 24

ORD4:20 pmChicago O'Hare Intl

7h 07m

1 stop

BTM10:27 pmButte Silver Bow Co

Oct 27

BTM10:00 amButte Silver Bow Co

7h 46m

1 stop

ORD6:46 pmChicago O'Hare Intl

$535

Delta flights from Illinois to Butte

Our best Delta deals on Illinois to Butte flight tickets

Delta

Aug 3

STL6:30 amLambert-St Louis

11h 26m

2 stops

BTM4:56 pmButte Silver Bow Co

Aug 7

BTM6:10 pmButte Silver Bow Co

5h 31m

1 stop

STL12:41 amLambert-St Louis

$652

Delta

Jul 14

STL7:08 amLambert-St Louis

10h 47m

2 stops

BTM4:55 pmButte Silver Bow Co

Jul 20

BTM6:10 pmButte Silver Bow Co

5h 31m

1 stop

STL12:41 amLambert-St Louis

$724

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

ChicagoButte

ORD - BTM

ORDBTM

Chicago O'Hare Intl

Sat 9/19

5:51 pm-10:26 pm

1 stop5h 35m

Butte Silver Bow Co

Wed 9/23

9:48 am-7:30 pm

1 stop8h 42m

$414

ChicagoButte

ORD - BTM

ORDBTM

Chicago O'Hare Intl

Sat 9/19

5:51 pm-10:26 pm

1 stop5h 35m

Butte Silver Bow Co

Wed 9/23

9:48 am-7:43 am

2 stops20h 55m

$524

ChicagoButte

ORD - BTM

ORDBTM

Chicago O'Hare Intl

Sat 10/24

4:20 pm-10:27 pm

1 stop7h 07m

Butte Silver Bow Co

Tue 10/27

10:00 am-6:46 pm

1 stop7h 46m

$535

ChicagoButte

ORD - BTM

ORDBTM

Chicago O'Hare Intl

Sat 10/24

4:20 pm-10:27 pm

1 stop7h 07m

Butte Silver Bow Co

Tue 10/27

10:00 am-7:59 am

2 stops20h 59m

$549

ChicagoButte

ORD - BTM

ORDBTM

Chicago O'Hare Intl

Sat 10/24

8:40 am-10:27 pm

2 stops14h 47m

Butte Silver Bow Co

Tue 10/27

10:00 am-11:53 am

2 stops24h 53m

$594

ChicagoButte

ORD - BTM

ORDBTM

Chicago O'Hare Intl

Sat 7/18

6:00 am-10:30 pm

1 stop17h 30m

Butte Silver Bow Co

Sat 7/25

9:48 am-8:40 pm

1 stop9h 52m

$643

St. LouisButte

STL - BTM

STLBTM

Lambert-St Louis

Mon 8/3

6:30 am-4:56 pm

2 stops11h 26m

Butte Silver Bow Co

Fri 8/7

6:10 pm-12:41 am

1 stop5h 31m

$652

ChicagoButte

ORD - BTM

ORDBTM

Chicago O'Hare Intl

Sat 6/27

9:50 pm-10:30 pm

1 stop25h 40m

Butte Silver Bow Co

Wed 7/1

10:15 am-12:44 am

1 stop13h 29m

$682

St. LouisButte

STL - BTM

STLBTM

Lambert-St Louis

Tue 7/14

7:08 am-4:55 pm

2 stops10h 47m

Butte Silver Bow Co

Mon 7/20

6:10 pm-12:41 am

1 stop5h 31m

$724

St. LouisButte

STL - BTM

STLBTM

Lambert-St Louis

Tue 7/28

5:59 pm-10:30 pm

2 stops29h 31m

Butte Silver Bow Co

Fri 7/31

10:15 am-11:44 pm

2 stops12h 29m

$730

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted 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

Airlines

Other information

What is the cheapest airline that flies from Illinois to Butte Silver Bow Co?

United Airlines and Delta are the most popular carriers operating from Illinois to Butte Silver Bow Co

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 51% 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.

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 35m
Direct flights	None

The fastest flight from Illinois to Butte takes 5h 35m

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

Search flight deals

Frequently asked questions about flying from Illinois to Butte

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 June 2026, 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.