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.

$253 Cheap Flights from Butte to Illinois in 2026

Find the cheapest flights from Butte to Illinois

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:15 am - 4:57 pm

BTM

STL

5h 42m

1 stop

4:39 pm - 10:43 pm

STL

BTM

7h 04m

1 stop

$334United Airlines

Thu, Oct 29 - Mon, Nov 2

10:15 am - 4:57 pm

BTM

STL

5h 42m

1 stop

1:08 pm - 10:43 pm

STL

BTM

10h 35m

2 stops

$357United Airlines

Thu, Oct 29 - Mon, Nov 2

10:15 am - 9:40 pm

BTM

STL

10h 25m

2 stops

1:08 pm - 10:43 pm

STL

BTM

10h 35m

2 stops

$385United Airlines

Thu, Oct 29 - Mon, Nov 2

8:37 am - 4:34 pm

BTM

STL

6h 57m

1 stop

4:40 pm - 10:26 pm

STL

BTM

6h 46m

1 stop

$424United Airlines

Tue, Aug 25 - Sat, Aug 29

8:37 am - 4:34 pm

BTM

STL

6h 57m

1 stop

3:32 pm - 10:26 pm

STL

BTM

7h 54m

2 stops

$434United Airlines

Tue, Aug 25 - Sat, Aug 29

8:37 am - 4:34 pm

BTM

STL

6h 57m

1 stop

4:40 pm - 10:26 pm

STL

BTM

6h 46m

1 stop

$444United Airlines

Tue, Aug 25 - Sat, Aug 29

8:37 am - 4:34 pm

BTM

STL

6h 57m

1 stop

3:32 pm - 10:26 pm

STL

BTM

7h 54m

2 stops

$454United Airlines

Tue, Aug 25 - Sat, Aug 29

8:38 am - 10:00 pm

BTM

STL

12h 22m

2 stops

8:40 am - 10:26 pm

STL

BTM

14h 46m

2 stops

$487United Airlines

Sat, Aug 29 - Tue, Sep 1

8:37 am - 2:57 pm

BTM

STL

29h 20m

2 stops

5:30 pm - 10:26 pm

STL

BTM

29h 56m

2 stops

$536United Airlines

Tue, Aug 25 - Sat, Aug 29

8:37 am - 12:02 pm

BTM

STL

26h 25m

3 stops

3:32 pm - 10:26 pm

STL

BTM

7h 54m

2 stops

$558United Airlines

Tue, Aug 25 - Sat, Aug 29

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United Airlines flights from Butte to Illinois

Our best United Airlines deals on Butte to Illinois flight tickets

United Airlines

Oct 29

BTM10:15 amButte Silver Bow Co

5h 42m

1 stop

STL4:57 pmLambert-St Louis

Nov 2

STL4:39 pmLambert-St Louis

7h 04m

1 stop

BTM10:43 pmButte Silver Bow Co

$334

United Airlines

Oct 29

BTM10:15 amButte Silver Bow Co

5h 42m

1 stop

STL4:57 pmLambert-St Louis

Nov 2

STL1:08 pmLambert-St Louis

10h 35m

2 stops

BTM10:43 pmButte Silver Bow Co

$357

United Airlines

Oct 29

BTM10:15 amButte Silver Bow Co

10h 25m

2 stops

STL9:40 pmLambert-St Louis

Nov 2

STL1:08 pmLambert-St Louis

10h 35m

2 stops

BTM10:43 pmButte Silver Bow Co

$385

Delta flights from Butte to Illinois

Our best Delta deals on Butte to Illinois flight tickets

Delta

Aug 2

BTM6:10 pmButte Silver Bow Co

5h 31m

1 stop

STL12:41 amLambert-St Louis

Oct 29

STL6:00 amLambert-St Louis

12h 00m

2 stops

BTM5:00 pmButte Silver Bow Co

$444

Delta

Aug 4

BTM6:10 pmButte Silver Bow Co

5h 31m

1 stop

STL12:41 amLambert-St Louis

Aug 7

STL8:48 amLambert-St Louis

9h 08m

2 stops

BTM4:56 pmButte Silver Bow Co

$724

Delta

Aug 2

BTM6:10 pmButte Silver Bow Co

5h 31m

1 stop

STL12:41 amLambert-St Louis

Aug 8

STL7:00 amLambert-St Louis

10h 56m

2 stops

BTM4:56 pmButte Silver Bow Co

$739

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

ButteSt. Louis

BTM - STL

BTMSTL

Butte Silver Bow Co

Thu 10/29

10:15 am-4:57 pm

1 stop5h 42m

Lambert-St Louis

Mon 11/2

4:39 pm-10:43 pm

1 stop7h 04m

$334

ButteSt. Louis

BTM - STL

BTMSTL

Butte Silver Bow Co

Thu 10/29

10:15 am-4:57 pm

1 stop5h 42m

Lambert-St Louis

Mon 11/2

1:08 pm-10:43 pm

2 stops10h 35m

$357

ButteSt. Louis

BTM - STL

BTMSTL

Butte Silver Bow Co

Thu 10/29

10:15 am-9:40 pm

2 stops10h 25m

Lambert-St Louis

Mon 11/2

1:08 pm-10:43 pm

2 stops10h 35m

$385

ButteSt. Louis

BTM - STL

BTMSTL

Butte Silver Bow Co

Tue 8/25

8:37 am-4:34 pm

1 stop6h 57m

Lambert-St Louis

Sat 8/29

4:40 pm-10:26 pm

1 stop6h 46m

$424

ButteSt. Louis

BTM - STL

BTMSTL

Butte Silver Bow Co

Tue 8/25

8:37 am-4:34 pm

1 stop6h 57m

Lambert-St Louis

Sat 8/29

3:32 pm-10:26 pm

2 stops7h 54m

$434

ButteSt. Louis

BTM - STL

BTMSTL

Butte Silver Bow Co

Tue 8/25

8:37 am-4:34 pm

1 stop6h 57m

Lambert-St Louis

Sat 8/29

4:40 pm-10:26 pm

1 stop6h 46m

$444

ButteSt. Louis

BTM - STL

BTMSTL

Butte Silver Bow Co

Tue 8/25

8:37 am-4:34 pm

1 stop6h 57m

Lambert-St Louis

Sat 8/29

3:32 pm-10:26 pm

2 stops7h 54m

$454

ButteSt. Louis

BTM - STL

BTMSTL

Butte Silver Bow Co

Sat 8/29

8:38 am-10:00 pm

2 stops12h 22m

Lambert-St Louis

Tue 9/1

8:40 am-10:26 pm

2 stops14h 46m

$487

ButteSt. Louis

BTM - STL

BTMSTL

Butte Silver Bow Co

Tue 8/25

8:37 am-2:57 pm

2 stops29h 20m

Lambert-St Louis

Sat 8/29

5:30 pm-10:26 pm

2 stops29h 56m

$536

ButteSt. Louis

BTM - STL

BTMSTL

Butte Silver Bow Co

Tue 8/25

8:37 am-12:02 pm

3 stops26h 25m

Lambert-St Louis

Sat 8/29

3:32 pm-10:26 pm

2 stops7h 54m

$558

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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 and Delta are the most popular carriers operating from Butte Silver Bow Co to Illinois

What airlines fly to Illinois?

United Airlines, American Airlines and Alaska Airlines 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 54% 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	7h 45m
Direct flights	None

The fastest flight from Butte to Illinois takes 7h 45m

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.