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 10m on average. Another popular route from Illinois to Butte is flying from Moline to Bozeman, which will take roughly 5h 48m. 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 May 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

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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.

7:45 am - 2:40 pm

ORD

BTM

7h 55m

1 stop

3:15 pm - 9:50 pm

BTM

ORD

5h 35m

1 stop

$324Delta

Mon, May 25 - Mon, Jun 1

9:49 am - 4:55 pm

MDW

BTM

8h 06m

2 stops

6:10 pm - 6:18 pm

BTM

MDW

23h 08m

2 stops

$466Delta

Sat, Jul 18 - Mon, Jul 20

8:27 am - 4:55 pm

ORD

BTM

9h 28m

2 stops

6:10 pm - 8:30 am

BTM

ORD

13h 20m

2 stops

$466Delta

Sat, Jul 18 - Tue, Jul 21

6:30 am - 4:57 pm

STL

BTM

11h 27m

2 stops

6:10 pm - 12:43 am

BTM

STL

5h 33m

1 stop

$474Delta

Mon, Jun 22 - Mon, Jun 29

6:30 am - 4:57 pm

STL

BTM

11h 27m

2 stops

6:10 pm - 12:43 am

BTM

STL

5h 33m

1 stop

$514Delta

Mon, Jun 22 - Mon, Jun 29

9:49 am - 4:55 pm

MDW

BTM

8h 06m

2 stops

6:10 pm - 6:18 pm

BTM

MDW

23h 08m

2 stops

$531Delta

Fri, Jul 17 - Tue, Jul 21

6:00 am - 10:30 pm

ORD

BTM

17h 30m

1 stop

10:15 am - 12:44 am

BTM

ORD

13h 29m

1 stop

$568United Airlines

Fri, Jul 17 - Tue, Jul 21

4:52 pm - 10:30 pm

STL

BTM

6h 38m

1 stop

10:15 am - 4:33 pm

BTM

STL

5h 18m

1 stop

$597United Airlines

Mon, Jun 22 - Mon, Jun 29

5:45 pm - 10:27 pm

ORD

BTM

5h 42m

1 stop

10:00 am - 6:27 pm

BTM

ORD

7h 27m

1 stop

$602United Airlines

Sat, Aug 29 - Tue, Sep 1

9:50 pm - 10:30 pm

ORD

BTM

25h 40m

1 stop

10:15 am - 9:39 pm

BTM

ORD

10h 24m

1 stop

$603United Airlines

Wed, Jul 8 - Wed, Jul 15

Delta flights from Illinois to Butte

Our best Delta deals on Illinois to Butte flight tickets

Delta

May 25

ORD7:45 amChicago O'Hare Intl

7h 55m

1 stop

BTM2:40 pmButte Silver Bow Co

Jun 1

BTM3:15 pmButte Silver Bow Co

5h 35m

1 stop

ORD9:50 pmChicago O'Hare Intl

$324

Delta

Jun 22

STL6:30 amLambert-St Louis

11h 27m

2 stops

BTM4:57 pmButte Silver Bow Co

Jun 29

BTM6:10 pmButte Silver Bow Co

5h 33m

1 stop

STL12:43 amLambert-St Louis

$474

Delta

Jun 22

STL6:30 amLambert-St Louis

11h 27m

2 stops

BTM4:57 pmButte Silver Bow Co

Jun 29

BTM6:10 pmButte Silver Bow Co

5h 33m

1 stop

STL12:43 amLambert-St Louis

$514

United Airlines flights from Illinois to Butte

Our best United Airlines deals on Illinois to Butte flight tickets

United Airlines

Jun 22

STL4:52 pmLambert-St Louis

6h 38m

1 stop

BTM10:30 pmButte Silver Bow Co

Jun 29

BTM10:15 amButte Silver Bow Co

5h 18m

1 stop

STL4:33 pmLambert-St Louis

$597

United Airlines

Aug 29

ORD5:45 pmChicago O'Hare Intl

5h 42m

1 stop

BTM10:27 pmButte Silver Bow Co

Sep 1

BTM10:00 amButte Silver Bow Co

7h 27m

1 stop

ORD6:27 pmChicago O'Hare Intl

$602

United Airlines

Jul 8

ORD9:50 pmChicago O'Hare Intl

25h 40m

1 stop

BTM10:30 pmButte Silver Bow Co

Jul 15

BTM10:15 amButte Silver Bow Co

10h 24m

1 stop

ORD9:39 pmChicago O'Hare Intl

$603

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoButte

ORD - BTM

ORDBTM

Chicago O'Hare Intl

Mon 5/25

7:45 am-2:40 pm

1 stop7h 55m

Butte Silver Bow Co

Mon 6/1

3:15 pm-9:50 pm

1 stop5h 35m

$324

ChicagoButte

MDW - BTM

MDWBTM

Chicago Midway

Sat 7/18

9:49 am-4:55 pm

2 stops8h 06m

Butte Silver Bow Co

Mon 7/20

6:10 pm-6:18 pm

2 stops23h 08m

$466

ChicagoButte

ORD - BTM

ORDBTM

Chicago O'Hare Intl

Sat 7/18

8:27 am-4:55 pm

2 stops9h 28m

Butte Silver Bow Co

Tue 7/21

6:10 pm-8:30 am

2 stops13h 20m

$466

St. LouisButte

STL - BTM

STLBTM

Lambert-St Louis

Mon 6/22

6:30 am-4:57 pm

2 stops11h 27m

Butte Silver Bow Co

Mon 6/29

6:10 pm-12:43 am

1 stop5h 33m

$474

St. LouisButte

STL - BTM

STLBTM

Lambert-St Louis

Mon 6/22

6:30 am-4:57 pm

2 stops11h 27m

Butte Silver Bow Co

Mon 6/29

6:10 pm-12:43 am

1 stop5h 33m

$514

ChicagoButte

MDW - BTM

MDWBTM

Chicago Midway

Fri 7/17

9:49 am-4:55 pm

2 stops8h 06m

Butte Silver Bow Co

Tue 7/21

6:10 pm-6:18 pm

2 stops23h 08m

$531

ChicagoButte

ORD - BTM

ORDBTM

Chicago O'Hare Intl

Fri 7/17

6:00 am-10:30 pm

1 stop17h 30m

Butte Silver Bow Co

Tue 7/21

10:15 am-12:44 am

1 stop13h 29m

$568

Quickest round-trip

St. LouisButte

STL - BTM

STLBTM

Lambert-St Louis

Mon 6/22

4:52 pm-10:30 pm

1 stop6h 38m

Butte Silver Bow Co

Mon 6/29

10:15 am-4:33 pm

1 stop5h 18m

$597

ChicagoButte

ORD - BTM

ORDBTM

Chicago O'Hare Intl

Sat 8/29

5:45 pm-10:27 pm

1 stop5h 42m

Butte Silver Bow Co

Tue 9/1

10:00 am-6:27 pm

1 stop7h 27m

$602

ChicagoButte

ORD - BTM

ORDBTM

Chicago O'Hare Intl

Wed 7/8

9:50 pm-10:30 pm

1 stop25h 40m

Butte Silver Bow Co

Wed 7/15

10:15 am-9:39 pm

1 stop10h 24m

$603

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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 55% 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 23m
Direct flights	None

The fastest flight from Illinois to Butte takes 5h 23m

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 May 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.