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

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 Great Falls. Visit our flight page for the latest deals!>/a>

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Great Falls from Illinois is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

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

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 Great Falls with an airline and back to Illinois with another airline. Visit our flight page for the latest deals!>/a>

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

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 Great Falls from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$184 CHEAP FLIGHTS from Illinois to Great Falls

GTF

KAYAK searches hundreds of travel sites at once for deals on flights to Great Falls

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Cheap Flights from Illinois to Great Falls

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

Round-trip

One-way

Direct

Recent round-trip flight deals from Illinois to Great Falls

Fri, Apr 24 - Sun, Apr 26

2:35 pm - 9:17 pm

ORD

GTF

7h 42m

1 stop

2:30 pm - 11:28 pm

GTF

ORD

7h 58m

1 stop

$318United Airlines

Fri, May 29 - Mon, Jun 1

11:09 am - 10:26 pm

ORD

GTF

12h 17m

2 stops

1:07 pm - 9:50 pm

GTF

ORD

7h 43m

1 stop

$324Delta

Tue, Aug 18 - Wed, Sep 2

4:40 pm - 9:28 pm

STL

GTF

5h 48m

1 stop

2:31 pm - 8:39 pm

GTF

STL

5h 08m

1 stop

$338United Airlines

Fri, May 29 - Mon, Jun 1

7:45 am - 12:27 pm

ORD

GTF

5h 42m

1 stop

1:07 pm - 9:50 pm

GTF

ORD

7h 43m

1 stop

$343Delta

Tue, Aug 18 - Wed, Sep 2

9:16 am - 9:28 pm

STL

GTF

13h 12m

2 stops

2:31 pm - 8:39 pm

GTF

STL

5h 08m

1 stop

$344United Airlines

Thu, Aug 13 - Tue, Aug 18

7:15 am - 12:23 pm

ORD

GTF

6h 08m

1 stop

6:20 pm - 8:34 am

GTF

ORD

13h 14m

2 stops

$349Delta

Mon, Apr 13 - Fri, Apr 17

6:00 am - 4:26 pm

ORD

GTF

11h 26m

1 stop

5:06 pm - 3:13 pm

GTF

ORD

21h 07m

1 stop

$368Alaska Airlines

Sat, Aug 15 - Wed, Aug 26

7:30 am - 12:23 pm

STL

GTF

5h 53m

1 stop

6:20 pm - 8:06 am

GTF

STL

12h 46m

2 stops

$369Delta

Thu, Aug 13 - Tue, Aug 18

6:00 am - 1:32 pm

ORD

GTF

8h 32m

1 stop

2:31 pm - 9:12 pm

GTF

ORD

5h 41m

1 stop

$372United Airlines

Sat, Aug 15 - Wed, Aug 26

4:40 pm - 9:28 pm

STL

GTF

5h 48m

1 stop

6:15 am - 12:40 pm

GTF

STL

5h 25m

1 stop

$378United Airlines

Useful Info

Low season	January
High season	June
Cheapest flight	$184

Best time to beat the crowds but there is an average 38% increase in price.

Most popular time to fly and prices are also 13% lower on average.

Flight from Chicago O'Hare Airport to Great Falls

How does KAYAK find such low prices on flights from Illinois to Great Falls?
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 Great Falls.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Great Falls?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Great Falls 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 Great Falls?
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 Great Falls 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 Great Falls?
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 Great Falls from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Shelby

Everything you need to know for your flight to Great Falls

Airports

Cabin class

Complete your trip

Direct Flights

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Origins

Other airports

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Information on the airport you'll fly into in Great Falls

Great Falls (GTF)

GTF

$184 Find Cheap Flights from Illinois to Great Falls

KAYAK searches hundreds of travel sites at once for deals on flights to Great Falls

Cheap Flights from Illinois to Great Falls

Recent round-trip flight deals from Illinois to Great Falls

Recent one-way flight deals from Illinois to Great Falls

Recent direct flight deals from Illinois to Great Falls

Good to know

FAQs for booking flights from Illinois to Great Falls

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

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 Great Falls.

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Great Falls 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 Great Falls?

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 Great Falls 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 Great Falls?

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 Great Falls from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Great Falls?

Everything you need to know for your flight to Great Falls

Information on the airport you'll fly into in Great Falls

Cabin class types available on flights to Illinois

Complete your trip to Great Falls with a hotel stay or car rental

Find direct flights for Great Falls

Flights to other popular destinations

Flights from domestic origins to Great Falls

Choose which airport to fly into in Great Falls

Find deals for your return flight