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

Prices for flights from Butte Silver Bow Co Airport to Illinois are updated daily.

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

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 Butte Silver Bow Co Airport to Illinois.

What documentation or ID do you need to fly to Illinois?

The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$354 Cheap Flights from Butte to Illinois in 2026

1 adult

0 bags

Find the cheapest flights from Butte to Illinois

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:15 pm - 9:50 pm

BTM

ORD

5h 35m

1 stop

8:36 am - 4:55 pm

ORD

BTM

9h 19m

2 stops

$354Delta

Tue, Jun 2 - Wed, Jun 10

3:15 pm - 9:50 pm

BTM

ORD

5h 35m

1 stop

8:21 pm - 4:55 pm

ORD

BTM

21h 34m

2 stops

$392Delta

Tue, Jun 2 - Tue, Jun 9

9:24 am - 6:59 pm

BTM

ORD

8h 35m

1 stop

5:45 pm - 10:22 pm

ORD

BTM

5h 37m

1 stop

$394United Airlines

Tue, Apr 28 - Sat, May 2

3:15 pm - 6:05 pm

BTM

ORD

25h 50m

2 stops

5:30 am - 4:55 pm

ORD

BTM

12h 25m

2 stops

$402Delta

Tue, Jun 2 - Thu, Jun 11

3:15 pm - 9:50 pm

BTM

ORD

5h 35m

1 stop

6:30 am - 4:55 pm

ORD

BTM

11h 25m

2 stops

$407Delta

Fri, Jun 5 - Tue, Jun 9

6:10 pm - 9:20 pm

BTM

ORD

26h 10m

2 stops

8:36 am - 4:55 pm

ORD

BTM

9h 19m

2 stops

$428Delta

Wed, Jun 3 - Wed, Jun 10

3:15 pm - 9:50 pm

BTM

ORD

5h 35m

1 stop

8:21 pm - 4:55 pm

ORD

BTM

21h 34m

2 stops

$437Delta

Tue, Jun 2 - Mon, Jun 8

10:00 am - 4:31 pm

BTM

STL

5h 31m

1 stop

4:40 pm - 10:27 pm

STL

BTM

6h 47m

1 stop

$439United Airlines

Fri, Aug 14 - Fri, Aug 21

10:10 am - 7:04 pm

BTM

ORD

7h 54m

1 stop

3:00 pm - 10:22 pm

ORD

BTM

8h 22m

1 stop

$439United Airlines

Sat, May 2 - Wed, May 6

3:15 pm - 6:05 pm

BTM

ORD

25h 50m

2 stops

8:21 pm - 4:55 pm

ORD

BTM

21h 34m

2 stops

$440Delta

Tue, Jun 2 - Tue, Jun 9

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United Airlines flights from Butte to Illinois

Our best United Airlines deals on Butte to Illinois flight tickets

United Airlines

Apr 28

BTM9:24 amButte Silver Bow Co

8h 35m

1 stop

ORD6:59 pmChicago O'Hare Intl

May 2

ORD5:45 pmChicago O'Hare Intl

5h 37m

1 stop

BTM10:22 pmButte Silver Bow Co

$394

United Airlines

May 2

BTM10:10 amButte Silver Bow Co

7h 54m

1 stop

ORD7:04 pmChicago O'Hare Intl

May 6

ORD3:00 pmChicago O'Hare Intl

8h 22m

1 stop

BTM10:22 pmButte Silver Bow Co

$439

United Airlines

Apr 28

BTM9:24 amButte Silver Bow Co

12h 38m

2 stops

MLI11:02 pmMoline Quad-City

May 2

MLI3:47 pmMoline Quad-City

7h 35m

2 stops

BTM10:22 pmButte Silver Bow Co

$469

Delta flights from Butte to Illinois

Our best Delta deals on Butte to Illinois flight tickets

Delta

Jun 2

BTM3:15 pmButte Silver Bow Co

5h 35m

1 stop

ORD9:50 pmChicago O'Hare Intl

Jun 10

ORD8:36 amChicago O'Hare Intl

9h 19m

2 stops

BTM4:55 pmButte Silver Bow Co

$354

Delta

Jun 2

BTM3:15 pmButte Silver Bow Co

5h 35m

1 stop

ORD9:50 pmChicago O'Hare Intl

Jun 9

ORD8:21 pmChicago O'Hare Intl

21h 34m

2 stops

BTM4:55 pmButte Silver Bow Co

$392

Delta

Jun 2

BTM3:15 pmButte Silver Bow Co

25h 50m

2 stops

ORD6:05 pmChicago O'Hare Intl

Jun 11

ORD5:30 amChicago O'Hare Intl

12h 25m

2 stops

BTM4:55 pmButte Silver Bow Co

$402

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ButteChicago

BTM - ORD

BTMORD

Butte Silver Bow Co

Tue 6/2

3:15 pm-9:50 pm

1 stop5h 35m

Chicago O'Hare Intl

Wed 6/10

8:36 am-4:55 pm

2 stops9h 19m

$354

ButteChicago

BTM - ORD

BTMORD

Butte Silver Bow Co

Tue 6/2

3:15 pm-9:50 pm

1 stop5h 35m

Chicago O'Hare Intl

Tue 6/9

8:21 pm-4:55 pm

2 stops21h 34m

$392

ButteChicago

BTM - ORD

BTMORD

Butte Silver Bow Co

Tue 4/28

9:24 am-6:59 pm

1 stop8h 35m

Chicago O'Hare Intl

Sat 5/2

5:45 pm-10:22 pm

1 stop5h 37m

$394

ButteChicago

BTM - ORD

BTMORD

Butte Silver Bow Co

Tue 6/2

3:15 pm-6:05 pm

2 stops25h 50m

Chicago O'Hare Intl

Thu 6/11

5:30 am-4:55 pm

2 stops12h 25m

$402

ButteChicago

BTM - ORD

BTMORD

Butte Silver Bow Co

Fri 6/5

3:15 pm-9:50 pm

1 stop5h 35m

Chicago O'Hare Intl

Tue 6/9

6:30 am-4:55 pm

2 stops11h 25m

$407

ButteChicago

BTM - ORD

BTMORD

Butte Silver Bow Co

Wed 6/3

6:10 pm-9:20 pm

2 stops26h 10m

Chicago O'Hare Intl

Wed 6/10

8:36 am-4:55 pm

2 stops9h 19m

$428

ButteChicago

BTM - ORD

BTMORD

Butte Silver Bow Co

Tue 6/2

3:15 pm-9:50 pm

1 stop5h 35m

Chicago O'Hare Intl

Mon 6/8

8:21 pm-4:55 pm

2 stops21h 34m

$437

Quickest round-trip

ButteSt. Louis

BTM - STL

BTMSTL

Butte Silver Bow Co

Fri 8/14

10:00 am-4:31 pm

1 stop5h 31m

Lambert-St Louis

Fri 8/21

4:40 pm-10:27 pm

1 stop6h 47m

$439

ButteChicago

BTM - ORD

BTMORD

Butte Silver Bow Co

Sat 5/2

10:10 am-7:04 pm

1 stop7h 54m

Chicago O'Hare Intl

Wed 5/6

3:00 pm-10:22 pm

1 stop8h 22m

$439

ButteChicago

BTM - ORD

BTMORD

Butte Silver Bow Co

Tue 6/2

3:15 pm-6:05 pm

2 stops25h 50m

Chicago O'Hare Intl

Tue 6/9

8:21 pm-4:55 pm

2 stops21h 34m

$440

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first

How to get the cheapest flight ticket from Butte to Illinois

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

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

United Airlines is the most popular carrier operating from Butte Silver Bow Co to Illinois

What airlines fly to Illinois?

American Airlines, United Airlines and Alaska Airlines are the top three most popular airlines that fly to Illinois from Butte according to our data. American Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 4 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

Cheap Butte to Illinois flight deals and tips

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

Fastest flight time	5h 15m
Direct flights	None

The fastest flight from Butte to Illinois takes 5h 15m

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

Search flight deals

Frequently asked questions about flying from Butte to Illinois

When did momondo last update prices for flights from Butte Silver Bow Co Airport to Illinois?
Prices for flights from Butte Silver Bow Co Airport to Illinois are updated daily.
How old do you have to be to fly from Butte Silver Bow Co Airport to Illinois?
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 Butte Silver Bow Co Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Butte to Illinois. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. All flights to Illinois from Butte on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Butte to Illinois flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Butte to Illinois flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.