Cheap flights from Great Falls to Chicago from $151
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Great Falls to Chicago departing on 7/25. 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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United Airlines flights from Great Falls to Chicago
Our best United Airlines deals on Great Falls to Chicago flight tickets
Delta flights from Great Falls to Chicago
Our best Delta deals on Great Falls to Chicago flight tickets
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How to get the cheapest flight ticket from Great Falls to Chicago
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 month to fly to Chicago?
The month of September is, on average, the cheapest month to fly to Chicago from Great Falls, with most prices found around $307. If you’re not able to fly to Chicago in September, then December is your next best option. Flight prices from Great Falls to Chicago during December average around $324.
What is the cheapest day to depart on your flight to Chicago?
The cheapest day to depart on your flight to Chicago is on a Tuesday when prices can be found for as low as $299. This is often the case because there is less demand to fly during this day of the week. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Great Falls to Chicago for around $661.
What is the cheapest time of day to depart on your flight to Chicago?
Our most recent data shows that the best time of day to fly to Chicago is in the afternoon. Flights from Great Falls to Chicago during this time can be as low as $349. In contrast, the most expensive time of day to depart to Chicago is in the morning when prices are around $660.
What is the cheapest Great Falls to Chicago flight route?
Fly from Great Falls to Chicago O'Hare Intl for the best Great Falls - Chicago flight prices
What cabin class options are available on Great Falls to Chicago flights?
There are 3 cabin classes available to choose from on Great Falls to Chicago flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Great Falls to Chicago flights?
You could potentially save up to 67% on your flight if you consider stops on a Great Falls to Chicago flight.
What is the cheapest airline that flies from Great Falls to Chicago?
United Airlines and Delta are the most popular carriers operating from Great Falls to Chicago
What airlines fly to Chicago?
United Airlines, Delta and Alaska Airlines are the top three most popular airlines that fly to Chicago from Great Falls according to our data. United Airlines is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Chicago. Keep in mind that there are 3 different airlines that fly to Chicago on a routine basis, so you have a few additional options to choose from.
When to book flights from Great Falls to Chicago
Cheap Great Falls to Chicago (GTF to CHI) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Great Falls to Chicago
How far is Great Falls to Chicago by plane?
A flight from Great Falls to Chicago will travel around 1219.6 mi. In terms of flight time, this usually takes a little over 5h 08m.
When did momondo last update prices for flights from Great Falls Airport to Chicago?
Prices for flights from Great Falls Airport to Chicago were last updated today.
How many operators does momondo search for flights from Great Falls Airport to Chicago?
As of June 2025, there are 2 operators available to choose from for flights from Great Falls Airport to Chicago.
How old do you have to be to fly from Great Falls Airport to Chicago?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Great Falls Airport to Chicago.
What documentation or ID do you need to fly to Chicago?
The travel and health documents you'll need for your trip to Chicago may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Great Falls to Chicago?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Great Falls to Chicago is Embraer 175 (Enhanced Winglets) (50.00% of total bookings). The next most popular plane model is Embraer 170 (50.00%).
What is the most popular airline from Great Falls to Chicago?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Great Falls to Chicago is Delta (100% of total bookings).
Best airlines flying from Great Falls to Chicago
Compare and see reviews for airlines that fly from Great Falls to Chicago with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $205 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $302 | Free Cancellation | Rating 7.4 8,838 reviews |
Traveling to a place near Chicago?
Book flights to Chicago if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Great Falls to Chicago?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Great Falls to Chicago. momondo saves you time and could save you money on your trip.
Can I find flights from Great Falls to Chicago with flexible booking policies on momondo?
Flights from Great Falls to Chicago with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Great Falls to Chicago?
Once you have performed a search for Great Falls to Chicago 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 Great Falls to Chicago right now. Can momondo alert me if prices change?
Price alerts on flights to Chicago from Great Falls 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.