Cheap flights from Chicago to Great Falls from $135
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Great Falls departing on 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Chicago to Great Falls
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 day to depart on your flight to Great Falls?
The cheapest day to depart on your flight to Great Falls is on a Friday when prices can be found for as low as $397. This is often the case because there is less demand to fly during this day of the week. On the other hand, Saturday is the most expensive day to depart from Chicago because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $676.
What is the cheapest time of day to depart on your flight to Great Falls?
According to our data, the cheapest time of day to fly to Great Falls is in the afternoon. momondo users have found flights departing from Chicago to Great Falls in the afternoon for as low as $398. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $676 on average. Flights to Great Falls from Chicago in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest Chicago to Great Falls flight route?
Fly from Chicago O'Hare Intl to Great Falls for the best Chicago - Great Falls flight prices
What cabin class options are available on Chicago to Great Falls flights?
There are 2 cabin classes available to choose from on Chicago to Great Falls flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
When to book flights from Chicago to Great Falls
Cheap Chicago to Great Falls (CHI to GTF) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago to Great Falls
How far is Chicago to Great Falls by plane?
There are 1219.6 mi between Chicago and Great Falls. In terms of flight time, this usually takes a little over 3h 44m.
When did momondo last update prices for flights from Chicago to Great Falls Airport?
Prices for flights from Chicago to Great Falls Airport are updated daily.
How many operators does momondo search for flights from Chicago to Great Falls Airport?
The number of operators available for flights from Chicago to Great Falls Airport is 2 as of June 2025.
How old do you have to be to fly from Chicago to Great Falls Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Great Falls Airport.
What documentation or ID do you need to fly to Great Falls Airport?
The required travel and health documents for your Great Falls Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Great Falls Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Chicago to Great Falls?
momondo data reveals that the most frequently booked plane model on the route from Chicago to Great Falls is Embraer 175 (Enhanced Winglets), representing 63.64% of all bookings. The subsequent popular model is Embraer 170 at 36.36%.
What is the most popular airline from Chicago to Great Falls?
momondo data reveals that the most frequently booked airline on the route from Chicago to Great Falls is United Airlines, representing 57% of all bookings. The subsequent popular airline is Delta at 43%.
Best airlines flying from Chicago to Great Falls
Compare and see reviews for airlines that fly from Chicago to Great Falls with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $225 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $248 | Free Cancellation | Rating 7.4 8,790 reviews |
Traveling to a place near Great Falls?
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Why should I use momondo to find a flight deal from Chicago to Great Falls?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Chicago to Great Falls for you.
Can I find flights from Chicago to Great Falls with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Great Falls from Chicago with this policy.
How can momondo help me find flights from Chicago to Great Falls?
momondo provides multiple filters to help you find the best flight to Great Falls from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Chicago to Great Falls right now. Can momondo alert me if prices change?
Price alerts on flights to Great Falls from Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.