CA $162 Cheap Flights from Chicago (ORD) to Great Falls (GTF)

View CA $162 flight on Tue, Oct. 28, 2025Opens in a new window

Popular airlines from Chicago O'Hare International Airport (ORD) to Great Falls, MT (GTF-Great Falls Intl.)

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Cheap flights from Chicago (ORD) to Great Falls (GTF)

Prices were available within the past 7 days and start at CA $162 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from Chicago (ORD) to Great Falls (GTF)

November is typically the cheapest month to fly

From CA $325 - CA $1,170 per traveller.

Graph displaying average flight prices per month

Flight from Chicago to Great Falls (ORD - GTF) route information
Origin airport
O'Hare Intl.
Destination airport
Great Falls Intl.
Roundtrip price
CA $829
Distance
1930 km

Chicago to Great Falls Flights

The easy way to book your flights from Chicago to Great Falls 

With Expedia, it’s simple to find and book flights to Great Falls from Chicago whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Great Falls Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Chicago to Great Falls today, tomorrow, or this week.  

 

Save dollars with cheap flights from O'Hare Intl., ORD to Great Falls Intl., GTF 

Sort your search results by price to find great deals on your flight from Chicago to Great Falls—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Great Falls from Chicago currently is just rising to .  

Here are more money-saving tips: 

  • Fly in when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Great Falls  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Great Falls from Chicago 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Great Falls with Expedia today.

Frequently asked questions

How much is a flight from O'Hare Airport to GTF?
The lowest price advertised for a round-trip journey from O'Hare Intl. Airport (ORD) to Great Falls Intl. Airport is . But you better act quick. This price is based on fares offered within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from O'Hare Airport to Great Falls Intl. Airport (GTF)?
Every air carrier has its own set of terms and conditions. If you do decide to cancel, follow the easy instructions on our Customer Service Portal.
How do I find cheap flights from ORD to Great Falls Intl. Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without charging a fee. All you pay is the fare difference. When looking for O'Hare Airport to Great Falls Intl. Airport flights, you'll find a "No change fees" box for you to select.
How many hours is the flight from O'Hare Airport to Great Falls Intl. Airport?
Lasting around 5 hours and 20 minutes, the flight between O'Hare Airport and GTF is a great opportunity to do some last-minute trip planning. Why not use this time to hone your itinerary for Great Falls?
How far is the flight from O'Hare Intl. Airport (ORD) to GTF?
The flight distance between O'Hare Airport and Great Falls Intl. Airport (GTF) is 1,950 kilometres. Pack yourself a snack, a drink and something to read. Keep yourself occupied and the hours will fly by.
Which airlines fly direct from ORD to Great Falls Intl. Airport?
Flying straight from O'Hare Intl. Airport (ORD) to Great Falls Intl. Airport (GTF) is easy with United Airlines (UA). This leading carrier operates 0 flights each month.
Are ORD to Great Falls Intl. Airport (GTF) flight tickets cheaper when they're purchased at the last minute?
Booking your trip from ORD to Great Falls Intl. Airport at the last minute could save you some cash. However, it could end up costing you a whole lot more! If you'd rather play it safe, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to 12 months in advance. If your preferred carrier hasn't released tickets yet, check back often as deals are updated all the time on Expedia.

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