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.

$328 Cheap Flights from Butte to Illinois in 2026/27

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.

9:30 am - 6:55 pmBTM Butte Silver Bow Co-ORD Chicago O'Hare Intl

8h 25m1 stop Denver Intl

12:36 pm - 6:40 pmORD Chicago O'Hare Intl-BTM Butte Silver Bow Co

7h 04m1 stop Denver Intl

$444United Airlines

Sat, Jan 30 - Tue, Feb 2

9:30 am - 11:20 pmBTM Butte Silver Bow Co-MLI Moline Quad-City

12h 50m2 stops Denver Intl Chicago O'Hare Intl

8:15 am - 6:40 pmMLI Moline Quad-City-BTM Butte Silver Bow Co

11h 25m2 stops Chicago O'Hare Intl Denver Intl

$449United Airlines

Sat, Jan 30 - Wed, Feb 3

9:30 am - 4:26 pmBTM Butte Silver Bow Co-STL Lambert-St Louis

5h 56m1 stop Denver Intl

7:30 am - 6:40 pmSTL Lambert-St Louis-BTM Butte Silver Bow Co

12h 10m2 stops Chicago O'Hare Intl Denver Intl

$454United Airlines

Sat, Jan 30 - Wed, Feb 3

9:30 am - 9:47 pmBTM Butte Silver Bow Co-STL Lambert-St Louis

11h 17m2 stops Denver Intl Chicago O'Hare Intl

7:30 am - 6:40 pmSTL Lambert-St Louis-BTM Butte Silver Bow Co

12h 10m2 stops Chicago O'Hare Intl Denver Intl

$459United Airlines

Sat, Jan 30 - Wed, Feb 3

9:30 am - 6:55 pmBTM Butte Silver Bow Co-ORD Chicago O'Hare Intl

8h 25m1 stop Denver Intl

12:36 pm - 6:40 pmORD Chicago O'Hare Intl-BTM Butte Silver Bow Co

7h 04m1 stop Denver Intl

$464United Airlines

Sat, Jan 30 - Tue, Feb 2

9:30 am - 11:20 pmBTM Butte Silver Bow Co-MLI Moline Quad-City

12h 50m2 stops Denver Intl Chicago O'Hare Intl

8:15 am - 6:40 pmMLI Moline Quad-City-BTM Butte Silver Bow Co

11h 25m2 stops Chicago O'Hare Intl Denver Intl

$469United Airlines

Sat, Jan 30 - Wed, Feb 3

9:30 am - 4:26 pmBTM Butte Silver Bow Co-STL Lambert-St Louis

5h 56m1 stop Denver Intl

7:30 am - 6:40 pmSTL Lambert-St Louis-BTM Butte Silver Bow Co

12h 10m2 stops Chicago O'Hare Intl Denver Intl

$474United Airlines

Sat, Jan 30 - Wed, Feb 3

9:30 am - 9:47 pmBTM Butte Silver Bow Co-STL Lambert-St Louis

11h 17m2 stops Denver Intl Chicago O'Hare Intl

7:30 am - 6:40 pmSTL Lambert-St Louis-BTM Butte Silver Bow Co

12h 10m2 stops Chicago O'Hare Intl Denver Intl

$479United Airlines

Sat, Jan 30 - Wed, Feb 3

9:30 am - 4:26 pmBTM Butte Silver Bow Co-STL Lambert-St Louis

5h 56m1 stop Denver Intl

9:22 am - 6:40 pmSTL Lambert-St Louis-BTM Butte Silver Bow Co

10h 18m2 stops Chicago O'Hare Intl Denver Intl

$489United Airlines

Sat, Jan 30 - Wed, Feb 3

9:30 am - 4:26 pmBTM Butte Silver Bow Co-STL Lambert-St Louis

5h 56m1 stop Denver Intl

3:00 pm - 6:40 pmSTL Lambert-St Louis-BTM Butte Silver Bow Co

28h 40m1 stop Denver Intl

$497United Airlines

Sat, Jan 30 - Wed, Feb 3

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

United Airlines flights from Butte to Illinois

Our best United Airlines deals on Butte to Illinois flight tickets

United Airlines

Jan 30

BTM9:30 amButte Silver Bow Co

8h 25m

1 stop

ORD6:55 pmChicago O'Hare Intl

Feb 2

ORD12:36 pmChicago O'Hare Intl

7h 04m

1 stop

BTM6:40 pmButte Silver Bow Co

$444

United Airlines

Jan 30

BTM9:30 amButte Silver Bow Co

12h 50m

2 stops

MLI11:20 pmMoline Quad-City

Feb 3

MLI8:15 amMoline Quad-City

11h 25m

2 stops

BTM6:40 pmButte Silver Bow Co

$449

United Airlines

Jan 30

BTM9:30 amButte Silver Bow Co

5h 56m

1 stop

STL4:26 pmLambert-St Louis

Feb 3

STL7:30 amLambert-St Louis

12h 10m

2 stops

BTM6:40 pmButte Silver Bow Co

$454

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

ButteChicago

BTM Butte Silver Bow Co - ORD Chicago O'Hare Intl

BTMORD

Butte Silver Bow Co

Sat 1/30

9:30 am-6:55 pm

1 stop8h 25m

Chicago O'Hare Intl

Tue 2/2

12:36 pm-6:40 pm

1 stop7h 04m

$444

ButteMoline

BTM Butte Silver Bow Co - MLI Moline Quad-City

BTMMLI

Butte Silver Bow Co

Sat 1/30

9:30 am-11:20 pm

2 stops12h 50m

Moline Quad-City

Wed 2/3

8:15 am-6:40 pm

2 stops11h 25m

$449

ButteSt. Louis

BTM Butte Silver Bow Co - STL Lambert-St Louis

BTMSTL

Butte Silver Bow Co

Sat 1/30

9:30 am-4:26 pm

1 stop5h 56m

Lambert-St Louis

Wed 2/3

7:30 am-6:40 pm

2 stops12h 10m

$454

ButteSt. Louis

BTM Butte Silver Bow Co - STL Lambert-St Louis

BTMSTL

Butte Silver Bow Co

Sat 1/30

9:30 am-9:47 pm

2 stops11h 17m

Lambert-St Louis

Wed 2/3

7:30 am-6:40 pm

2 stops12h 10m

$459

ButteChicago

BTM Butte Silver Bow Co - ORD Chicago O'Hare Intl

BTMORD

Butte Silver Bow Co

Sat 1/30

9:30 am-6:55 pm

1 stop8h 25m

Chicago O'Hare Intl

Tue 2/2

12:36 pm-6:40 pm

1 stop7h 04m

$464

ButteMoline

BTM Butte Silver Bow Co - MLI Moline Quad-City

BTMMLI

Butte Silver Bow Co

Sat 1/30

9:30 am-11:20 pm

2 stops12h 50m

Moline Quad-City

Wed 2/3

8:15 am-6:40 pm

2 stops11h 25m

$469

ButteSt. Louis

BTM Butte Silver Bow Co - STL Lambert-St Louis

BTMSTL

Butte Silver Bow Co

Sat 1/30

9:30 am-4:26 pm

1 stop5h 56m

Lambert-St Louis

Wed 2/3

7:30 am-6:40 pm

2 stops12h 10m

$474

ButteSt. Louis

BTM Butte Silver Bow Co - STL Lambert-St Louis

BTMSTL

Butte Silver Bow Co

Sat 1/30

9:30 am-9:47 pm

2 stops11h 17m

Lambert-St Louis

Wed 2/3

7:30 am-6:40 pm

2 stops12h 10m

$479

ButteSt. Louis

BTM Butte Silver Bow Co - STL Lambert-St Louis

BTMSTL

Butte Silver Bow Co

Sat 1/30

9:30 am-4:26 pm

1 stop5h 56m

Lambert-St Louis

Wed 2/3

9:22 am-6:40 pm

2 stops10h 18m

$489

ButteSt. Louis

BTM Butte Silver Bow Co - STL Lambert-St Louis

BTMSTL

Butte Silver Bow Co

Sat 1/30

9:30 am-4:26 pm

1 stop5h 56m

Lambert-St Louis

Wed 2/3

3:00 pm-6:40 pm

1 stop28h 40m

$497

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 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?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Illinois from Butte according to our data. United Airlines is the first choice among our users, with 61% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 3 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

Best Price Found	$328
Fastest flight time	5h 34m
Direct flights	None

The best one-way flight to Illinois from Butte in the past 72 hours is $328. The best round-trip flight deal from Butte to Illinois found on momondo in the last 72 hours is $444.

The fastest flight from Butte to Illinois takes 5h 34m

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.