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Cheap flights from Great Falls to Chicago from $264

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Great Falls to Chicago departing on 4/25. 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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0 bags

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Find the cheapest flights from Great Falls to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
2:30 pm - 9:13 pmGTF-ORD
5h 43m1 stop
United Airlines Logo
2:18 pm - 9:17 pmORD-GTF
7h 59m1 stop
$264United Airlines
Find Deal
Sat, Apr 25 - Tue, Apr 28
Delta Logo
5:30 am - 12:40 pmGTF-ORD
6h 10m1 stop
Delta Logo
7:20 am - 12:31 pmORD-GTF
6h 11m1 stop
$276Delta
Find Deal
Sun, Dec 7 - Wed, Dec 17
Delta Logo
6:10 pm - 8:39 amGTF-ORD
13h 29m2 stops
Delta Logo
7:20 am - 12:31 pmORD-GTF
6h 11m1 stop
$282Delta
Find Deal
Fri, Dec 5 - Wed, Dec 17
Delta Logo
1:10 pm - 9:58 pmGTF-ORD
7h 48m1 stop
Delta Logo
7:15 am - 12:23 pmORD-GTF
6h 08m1 stop
$290Delta
Find Deal
Fri, Apr 24 - Wed, Apr 29
Delta Logo
1:12 pm - 9:21 pmGTF-ORD
7h 09m1 stop
Delta Logo
7:20 am - 12:31 pmORD-GTF
6h 11m1 stop
$300Delta
Find Deal
Fri, Dec 5 - Wed, Dec 17
Multiple Airlines Logo
11:12 am - 12:12 amGTF-ORD
36h 00m2 stops
Multiple Airlines Logo
10:49 pm - 9:35 pmORD-GTF
23h 46m1 stop
$304Multiple Airlines
Find Deal
Wed, Dec 3 - Sun, Dec 21
Alaska Airlines Logo
7:35 pm - 6:21 amGTF-ORD
9h 46m1 stop
Alaska Airlines Logo
10:00 am - 6:55 pmORD-GTF
9h 55m1 stop
$316Alaska Airlines
Find Deal
Sun, Dec 7 - Tue, Dec 16
Delta Logo
1:10 pm - 9:58 pmGTF-ORD
7h 48m1 stop
Delta Logo
7:15 am - 12:23 pmORD-GTF
6h 08m1 stop
$322Delta
Find Deal
Fri, Apr 24 - Tue, Apr 28
Multiple Airlines Logo
11:12 am - 12:12 amGTF-ORD
36h 00m2 stops
Multiple Airlines Logo
3:27 pm - 9:35 pmORD-GTF
31h 08m1 stop
$324Multiple Airlines
Find Deal
Wed, Dec 3 - Thu, Dec 18
Multiple Airlines Logo
11:17 am - 11:42 amGTF-ORD
23h 25m1 stop
Multiple Airlines Logo
12:39 pm - 9:35 pmORD-GTF
33h 56m2 stops
$332Multiple Airlines
Find Deal
Thu, Dec 4 - Thu, Dec 18

Delta flights from Great Falls to Chicago

Our best Delta deals on Great Falls to Chicago flight tickets
Delta
Dec 7
GTF5:30 amGreat Falls
6h 10m
1 stop
ORD12:40 pmChicago O'Hare Intl
Dec 17
ORD7:20 amChicago O'Hare Intl
6h 11m
1 stop
GTF12:31 pmGreat Falls
$276
Find similar
Delta
Dec 5
GTF6:10 pmGreat Falls
13h 29m
2 stops
ORD8:39 amChicago O'Hare Intl
Dec 17
ORD7:20 amChicago O'Hare Intl
6h 11m
1 stop
GTF12:31 pmGreat Falls
$282
Find similar
Delta
Apr 24
GTF1:10 pmGreat Falls
7h 48m
1 stop
ORD9:58 pmChicago O'Hare Intl
Apr 29
ORD7:15 amChicago O'Hare Intl
6h 08m
1 stop
GTF12:23 pmGreat Falls
$290
Find similar

Alaska Airlines flights from Great Falls to Chicago

Our best Alaska Airlines deals on Great Falls to Chicago flight tickets
Alaska Airlines
Dec 7
GTF7:35 pmGreat Falls
9h 46m
1 stop
ORD6:21 amChicago O'Hare Intl
Dec 16
ORD10:00 amChicago O'Hare Intl
9h 55m
1 stop
GTF6:55 pmGreat Falls
$316
Find similar
Alaska Airlines
Dec 6
GTF7:35 pmGreat Falls
9h 46m
1 stop
ORD6:21 amChicago O'Hare Intl
Dec 16
ORD10:00 amChicago O'Hare Intl
9h 55m
1 stop
GTF6:55 pmGreat Falls
$355
Find similar
Alaska Airlines
Dec 5
GTF7:35 pmGreat Falls
20h 20m
1 stop
ORD4:55 pmChicago O'Hare Intl
Dec 16
ORD10:00 amChicago O'Hare Intl
9h 55m
1 stop
GTF6:55 pmGreat Falls
$373
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Great Falls to Chicago that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 13, 2025.
Use the filters below to find and compare flights from Great Falls to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Sat 4/25

2:30 pm-9:13 pm

1 stop5h 43m

Chicago O'Hare Intl

Tue 4/28

2:18 pm-9:17 pm

1 stop7h 59m

$264

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Sun 12/7

5:30 am-12:40 pm

1 stop6h 10m

Chicago O'Hare Intl

Wed 12/17

7:20 am-12:31 pm

1 stop6h 11m

$276

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Fri 12/5

6:10 pm-8:39 am

2 stops13h 29m

Chicago O'Hare Intl

Wed 12/17

7:20 am-12:31 pm

1 stop6h 11m

$282

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Fri 4/24

1:10 pm-9:58 pm

1 stop7h 48m

Chicago O'Hare Intl

Wed 4/29

7:15 am-12:23 pm

1 stop6h 08m

$290

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Fri 12/5

1:12 pm-9:21 pm

1 stop7h 09m

Chicago O'Hare Intl

Wed 12/17

7:20 am-12:31 pm

1 stop6h 11m

$300

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Wed 12/3

11:12 am-12:12 am

2 stops36h 00m

Chicago O'Hare Intl

Sun 12/21

10:49 pm-9:35 pm

1 stop23h 46m

$304

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Sun 12/7

7:35 pm-6:21 am

1 stop9h 46m

Chicago O'Hare Intl

Tue 12/16

10:00 am-6:55 pm

1 stop9h 55m

$316

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Fri 4/24

1:10 pm-9:58 pm

1 stop7h 48m

Chicago O'Hare Intl

Tue 4/28

7:15 am-12:23 pm

1 stop6h 08m

$322

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Wed 12/3

11:12 am-12:12 am

2 stops36h 00m

Chicago O'Hare Intl

Thu 12/18

3:27 pm-9:35 pm

1 stop31h 08m

$324

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Thu 12/4

11:17 am-11:42 am

1 stop23h 25m

Chicago O'Hare Intl

Thu 12/18

12:39 pm-9:35 pm

2 stops33h 56m

$332

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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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 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 42% on your flight if you consider stops on a Great Falls to Chicago flight.

When to book flights from Great Falls to Chicago

Are you open to changing your travel dates? Check out the ideal times to fly from Great Falls to Chicago according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

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

Direct flights

None
There are no direct flights from Great Falls to Chicago. There are no popular flight routes from Great Falls to Chicago.
Search flight deals

  • 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 43m.

  • 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?

  • 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 airline from Great Falls to Chicago?

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
United AirlinesPriceFrom $277Free CancellationRating
7.4
9,017 reviews
Search United Airlines flights

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Benton Harbor
Saint Joseph
Portage
Lansing
Schererville
Valparaiso
Crown Point
Munster
Chesterton
Monticello
Porter
Griffith
Saint John

Why 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.

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Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago
Chicago Midway Airport
Chicago O'Hare Intl Airport
Chicago Greater Rockford Airport