Cheap flights from Great Falls to Chicago from $210
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 10/27. 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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Fly from
Fly to
Route
Depart
Return
Great FallsChicago
GTF Great Falls - ORD Chicago O'Hare Intl
GTFORD
Great Falls
Mon 11/9
1:21 pm-9:47 pm
1 stop7h 26m
Chicago O'Hare Intl
Wed 12/9
7:25 am-12:39 pm
1 stop6h 14m
Great FallsChicago
GTF Great Falls - ORD Chicago O'Hare Intl
GTFORD
Great Falls
Mon 10/26
1:18 pm-10:05 pm
1 stop7h 47m
Chicago O'Hare Intl
Sat 11/14
4:00 pm-10:30 pm
1 stop7h 30m
Great FallsChicago
GTF Great Falls - ORD Chicago O'Hare Intl
GTFORD
Great Falls
Wed 11/11
2:45 pm-11:59 pm
1 stop8h 14m
Chicago O'Hare Intl
Tue 12/8
4:20 pm-9:13 pm
1 stop5h 53m
Great FallsChicago
GTF Great Falls - ORD Chicago O'Hare Intl
GTFORD
Great Falls
Tue 10/27
6:30 am-2:55 pm
1 stop7h 25m
Chicago O'Hare Intl
Tue 11/17
8:40 am-1:49 pm
1 stop6h 09m
Great FallsChicago
GTF Great Falls - ORD Chicago O'Hare Intl
GTFORD
Great Falls
Thu 11/19
1:21 pm-9:47 pm
1 stop7h 26m
Chicago O'Hare Intl
Thu 11/26
2:44 pm-7:40 pm
1 stop5h 56m
Great FallsChicago
GTF Great Falls - ORD Chicago O'Hare Intl
GTFORD
Great Falls
Thu 10/29
1:18 pm-10:05 pm
1 stop7h 47m
Chicago O'Hare Intl
Wed 11/4
7:35 am-12:38 pm
1 stop6h 03m
Great FallsChicago
GTF Great Falls - ORD Chicago O'Hare Intl
GTFORD
Great Falls
Tue 11/10
6:30 am-1:15 pm
1 stop5h 45m
Chicago O'Hare Intl
Sat 11/14
4:20 pm-9:38 pm
1 stop6h 18m
Great FallsChicago
GTF Great Falls - ORD Chicago O'Hare Intl
GTFORD
Great Falls
Fri 11/13
5:10 pm-5:40 am
1 stop11h 30m
Chicago O'Hare Intl
Mon 11/16
6:35 pm-4:30 pm
1 stop22h 55m
Great FallsChicago
GTF Great Falls - ORD Chicago O'Hare Intl
GTFORD
Great Falls
Fri 11/13
5:10 pm-5:40 am
1 stop11h 30m
Chicago O'Hare Intl
Mon 11/16
7:57 pm-4:30 pm
2 stops21h 33m
Great FallsChicago
GTF Great Falls - ORD Chicago O'Hare Intl
GTFORD
Great Falls
Thu 11/12
5:10 pm-5:40 am
1 stop11h 30m
Chicago O'Hare Intl
Fri 12/11
9:00 am-4:11 pm
1 stop8h 11m
See travel insights to Chicago from
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 January is, on average, the cheapest month to fly to Chicago from Great Falls, with most prices found around $0. If you’re not able to fly to Chicago in January, then September is your next best option. Flight prices from Great Falls to Chicago during September average around $328.
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 Saturday when prices can be found for as low as $576. This is often the case because there is less demand to fly during this day of the week. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Great Falls to Chicago for around $603.
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.
Which airport is the most popular layover for flights between Great Falls and Chicago?
Salt Lake City (SLC) was the most common stop: 85% of momondo users choosing 1-stop flights on this route connected there.
Which layover airport offers the lowest fares from Great Falls to Chicago?
Flights via Salt Lake City (SLC) offer the lowest average round-trip price of $328.
Which layover airport has the shortest travel time from Great Falls to Chicago?
Flights connecting via Denver (DEN) have the shortest average one-way travel time: 6h 33m.
Which layover airport has the shortest connection time from Great Falls to Chicago?
Denver (DEN) has the shortest average layover time for this route: 1h 29m.
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
Frequently asked questions about flying 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 45m.
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 October 2026, 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) (100.00% of total bookings).
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 (53% of total bookings). The next most popular airline is United Airlines (47%).
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 $300 | Free Cancellation | Rating 7.4 10,324 reviews | |||
| PriceFrom $323 | Free Cancellation | Rating 7.8 8,646 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.