How does KAYAK find such low prices on flights from Illinois to Butte?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Butte.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Butte?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Butte from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Illinois to Butte?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Butte with an airline and back to Illinois with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Butte?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Butte from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$275 CHEAP FLIGHTS from Illinois to Butte

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Flight Deals

Cheap Flights from Illinois to Butte

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Illinois to Butte

Fri, Jan 29 - Tue, Feb 2

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

7h 04m1 stop Denver Intl

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

8h 25m1 stop Denver Intl

$444United Airlines

Sat, Feb 6 - Tue, Feb 9

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

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

9:30 am - 11:24 pmBTM Butte Silver Bow Co-STL Lambert-St Louis

12h 54m2 stops Denver Intl Chicago O'Hare Intl

$459United Airlines

Sat, Feb 6 - Tue, Feb 9

8:05 am - 6:40 pmSTL Lambert-St Louis-BTM Butte Silver Bow Co

11h 35m2 stops Chicago O'Hare Intl Denver Intl

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

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

$459United Airlines

Fri, Jan 29 - Tue, Feb 2

1:05 pm - 6:40 pmORD Chicago O'Hare Intl-BTM Butte Silver Bow Co

6h 35m1 stop Denver Intl

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

8h 25m1 stop Denver Intl

$479United Airlines

Tue, Sep 29 - Sat, Oct 3

4:39 pm - 10:30 pmSTL Lambert-St Louis-BTM Butte Silver Bow Co

6h 51m1 stop Denver Intl

9:45 am - 4:37 pmBTM Butte Silver Bow Co-STL Lambert-St Louis

5h 52m1 stop Denver Intl

$514United Airlines

Sat, Feb 6 - Tue, Feb 9

8:05 am - 6:40 pmSTL Lambert-St Louis-BTM Butte Silver Bow Co

11h 35m2 stops Chicago O'Hare Intl Denver Intl

9:30 am - 12:43 pmBTM Butte Silver Bow Co-STL Lambert-St Louis

26h 13m1 stop Denver Intl

$523United Airlines

Sat, Feb 6 - Tue, Feb 9

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

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

9:30 am - 12:43 pmBTM Butte Silver Bow Co-STL Lambert-St Louis

26h 13m1 stop Denver Intl

$523United Airlines

Tue, Sep 29 - Sat, Oct 3

4:39 pm - 10:30 pmSTL Lambert-St Louis-BTM Butte Silver Bow Co

6h 51m1 stop Denver Intl

9:45 am - 9:21 pmBTM Butte Silver Bow Co-STL Lambert-St Louis

10h 36m2 stops Denver Intl Chicago O'Hare Intl

$524United Airlines

Fri, Oct 2 - Sat, Oct 10

4:20 pm - 10:30 pmORD Chicago O'Hare Intl-BTM Butte Silver Bow Co

7h 10m1 stop Denver Intl

9:45 am - 11:59 pmBTM Butte Silver Bow Co-ORD Chicago O'Hare Intl

13h 14m1 stop Denver Intl

$563United Airlines

Fri, Jan 29 - Tue, Feb 2

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

7h 04m1 stop Denver Intl

9:30 am - 11:43 amBTM Butte Silver Bow Co-ORD Chicago O'Hare Intl

25h 13m2 stops Denver Intl Minneapolis St Paul

$567United Airlines

Useful Info

Low season	May
High season	May
Cheapest flight	$275

Best time to beat the crowds with an average 5% drop in price.

Most popular time to fly and prices are also 25% lower on average.

Flight from Chicago to Butte

How does KAYAK find such low prices on flights from Illinois to Butte?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Butte.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Butte?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Butte from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Illinois to Butte?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Butte with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Butte?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Butte from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.