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 46% 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 14m on average. Another popular route from Illinois to Butte is flying from Moline to Bozeman, which will take roughly 6h 09m. Keep in mind that layovers or delays could extend your travel time.

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

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 August 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.

$364 Cheap Flights from Illinois to Butte in 2025

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0 bags

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Find the cheapest flights from Illinois to Butte

Round-trip

One-way

Cheap round-trip flights

8:52 am - 5:03 pmORD-BTM

9h 11m2 stops

6:14 pm - 8:40 amBTM-ORD

13h 26m2 stops

$364Delta

Find Deal

Sat, Sep 13 - Tue, Sep 30

8:08 pm - 10:21 pmORD-BTM

27h 13m1 stop

9:47 am - 6:25 pmBTM-ORD

7h 38m1 stop

$402United Airlines

Find Deal

Sat, Sep 13 - Sat, Sep 27

5:30 pm - 5:05 pmSTL-BTM

24h 35m2 stops

6:10 pm - 12:37 amBTM-STL

5h 27m1 stop

$407Delta

Find Deal

Sat, Dec 13 - Mon, Dec 15

8:08 pm - 10:21 pmORD-BTM

27h 13m1 stop

9:47 am - 6:25 pmBTM-ORD

7h 38m1 stop

$427United Airlines

Find Deal

Sat, Sep 13 - Wed, Oct 1

5:30 pm - 5:05 pmSTL-BTM

24h 35m2 stops

6:10 pm - 12:37 amBTM-STL

5h 27m1 stop

$435Delta

Find Deal

Sat, Dec 13 - Mon, Dec 15

6:30 am - 5:05 pmSTL-BTM

11h 35m2 stops

6:10 pm - 12:37 amBTM-STL

5h 27m1 stop

$442Delta

Find Deal

Sat, Dec 13 - Mon, Dec 15

8:08 pm - 10:21 pmORD-BTM

27h 13m1 stop

9:47 am - 11:59 pmBTM-ORD

13h 12m1 stop

$450United Airlines

Find Deal

Sat, Sep 13 - Tue, Sep 30

8:08 pm - 10:21 pmORD-BTM

27h 13m1 stop

9:47 am - 7:43 amBTM-ORD

20h 56m2 stops

$455United Airlines

Find Deal

Sat, Sep 13 - Wed, Oct 1

9:05 am - 10:29 pmORD-BTM

14h 24m2 stops

10:00 am - 6:55 pmBTM-ORD

7h 55m1 stop

$457United Airlines

Find Deal

Thu, Dec 11 - Sat, Dec 13

8:50 am - 10:21 pmORD-BTM

14h 31m2 stops

9:47 am - 6:25 pmBTM-ORD

7h 38m1 stop

$462United Airlines

Find Deal

Sat, Sep 13 - Sat, Sep 27

Delta flights from Illinois to Butte

Our best Delta deals on Illinois to Butte flight tickets

Delta

Sep 13

ORD8:52 amChicago O'Hare Intl

9h 11m

2 stops

BTM5:03 pmButte Silver Bow Co

Sep 30

BTM6:14 pmButte Silver Bow Co

13h 26m

2 stops

ORD8:40 amChicago O'Hare Intl

$364

Find similar

Delta

Dec 13

STL5:30 pmLambert-St Louis

24h 35m

2 stops

BTM5:05 pmButte Silver Bow Co

Dec 15

BTM6:10 pmButte Silver Bow Co

5h 27m

1 stop

STL12:37 amLambert-St Louis

$407

Find similar

Delta

Dec 13

STL5:30 pmLambert-St Louis

24h 35m

2 stops

BTM5:05 pmButte Silver Bow Co

Dec 15

BTM6:10 pmButte Silver Bow Co

5h 27m

1 stop

STL12:37 amLambert-St Louis

$435

Find similar

United Airlines flights from Illinois to Butte

Our best United Airlines deals on Illinois to Butte flight tickets

United Airlines

Sep 13

ORD8:08 pmChicago O'Hare Intl

27h 13m

1 stop

BTM10:21 pmButte Silver Bow Co

Sep 27

BTM9:47 amButte Silver Bow Co

7h 38m

1 stop

ORD6:25 pmChicago O'Hare Intl

$402

Find similar

United Airlines

Sep 13

ORD8:08 pmChicago O'Hare Intl

27h 13m

1 stop

BTM10:21 pmButte Silver Bow Co

Oct 1

BTM9:47 amButte Silver Bow Co

7h 38m

1 stop

ORD6:25 pmChicago O'Hare Intl

$427

Find similar

United Airlines

Sep 13

ORD8:08 pmChicago O'Hare Intl

27h 13m

1 stop

BTM10:21 pmButte Silver Bow Co

Sep 30

BTM9:47 amButte Silver Bow Co

13h 12m

1 stop

ORD11:59 pmChicago O'Hare Intl

$450

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoButte

ORD - BTM

ORDBTM

Chicago O'Hare Intl

Sat 9/13

8:52 am-5:03 pm

2 stops9h 11m

Butte Silver Bow Co

Tue 9/30

6:14 pm-8:40 am

2 stops13h 26m

$364

ChicagoButte

ORD - BTM

ORDBTM

Chicago O'Hare Intl

Sat 9/13

8:08 pm-10:21 pm

1 stop27h 13m

Butte Silver Bow Co

Sat 9/27

9:47 am-6:25 pm

1 stop7h 38m

$402

St. LouisButte

STL - BTM

STLBTM

Lambert-St Louis

Sat 12/13

5:30 pm-5:05 pm

2 stops24h 35m

Butte Silver Bow Co

Mon 12/15

6:10 pm-12:37 am

1 stop5h 27m

$407

ChicagoButte

ORD - BTM

ORDBTM

Chicago O'Hare Intl

Sat 9/13

8:08 pm-10:21 pm

1 stop27h 13m

Butte Silver Bow Co

Wed 10/1

9:47 am-6:25 pm

1 stop7h 38m

$427

St. LouisButte

STL - BTM

STLBTM

Lambert-St Louis

Sat 12/13

5:30 pm-5:05 pm

2 stops24h 35m

Butte Silver Bow Co

Mon 12/15

6:10 pm-12:37 am

1 stop5h 27m

$435

St. LouisButte

STL - BTM

STLBTM

Lambert-St Louis

Sat 12/13

6:30 am-5:05 pm

2 stops11h 35m

Butte Silver Bow Co

Mon 12/15

6:10 pm-12:37 am

1 stop5h 27m

$442

ChicagoButte

ORD - BTM

ORDBTM

Chicago O'Hare Intl

Sat 9/13

8:08 pm-10:21 pm

1 stop27h 13m

Butte Silver Bow Co

Tue 9/30

9:47 am-11:59 pm

1 stop13h 12m

$450

ChicagoButte

ORD - BTM

ORDBTM

Chicago O'Hare Intl

Sat 9/13

8:08 pm-10:21 pm

1 stop27h 13m

Butte Silver Bow Co

Wed 10/1

9:47 am-7:43 am

2 stops20h 56m

$455

ChicagoButte

ORD - BTM

ORDBTM

Chicago O'Hare Intl

Thu 12/11

9:05 am-10:29 pm

2 stops14h 24m

Butte Silver Bow Co

Sat 12/13

10:00 am-6:55 pm

1 stop7h 55m

$457

ChicagoButte

ORD - BTM

ORDBTM

Chicago O'Hare Intl

Sat 9/13

8:50 am-10:21 pm

2 stops14h 31m

Butte Silver Bow Co

Sat 9/27

9:47 am-6:25 pm

1 stop7h 38m

$462

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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

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

Best Price Found	$542
Fastest flight time	6h 41m
Direct flights	None
Airports in Butte	1 airport

The best one-way flight to Butte from Illinois in the past 72 hours is $542. The best round-trip flight deal from Illinois to Butte found on momondo in the last 72 hours is $364.

The fastest flight from Illinois to Butte takes 6h 41m

There are no direct flights from Illinois to Butte. Popular non-direct routes for this connection are Lambert-St Louis Airport - Butte Silver Bow Co Airport and Chicago O'Hare Intl Airport - Butte Silver Bow Co Airport.

There is 1 airport near Butte: Butte Silver Bow Co (BTM)

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 August 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.