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Cheap flights from Chicago to Great Falls from $174

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 12/8. 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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Cheap round-trip flights

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Alaska Airlines Logo
10:00 am - 6:55 pmORD-GTF
9h 55m1 stop
Alaska Airlines Logo
7:35 pm - 6:21 amGTF-ORD
9h 46m1 stop
$244Alaska Airlines
Find Deal
Wed, Dec 10 - Sat, Dec 13
Multiple Airlines Logo
9:22 pm - 9:31 pmORD-GTF
25h 09m2 stops
Multiple Airlines Logo
9:22 pm - 5:32 amGTF-ORD
7h 10m1 stop
$265Multiple Airlines
Find Deal
Thu, Nov 13 - Mon, Nov 17
Delta Logo
8:50 am - 5:28 pmORD-GTF
9h 38m2 stops
Delta Logo
6:10 pm - 8:42 amGTF-ORD
13h 32m2 stops
$275Delta
Find Deal
Wed, Dec 10 - Sat, Dec 13
Alaska Airlines Logo
6:00 am - 7:02 pmORD-GTF
14h 02m1 stop
Alaska Airlines Logo
7:42 pm - 6:28 amGTF-ORD
9h 46m1 stop
$278Alaska Airlines
Find Deal
Fri, Nov 21 - Sun, Nov 23
Alaska Airlines Logo
10:00 am - 6:10 pmORD-GTF
9h 10m1 stop
Alaska Airlines Logo
7:35 pm - 6:21 amGTF-ORD
9h 46m1 stop
$296Alaska Airlines
Find Deal
Tue, Nov 18 - Sat, Dec 6
Delta Logo
7:20 am - 12:32 pmORD-GTF
6h 12m1 stop
Delta Logo
6:10 pm - 8:42 amGTF-ORD
13h 32m2 stops
$302Delta
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Tue, Nov 18 - Sat, Dec 6
Hawaiian Airlines Logo
7:00 am - 3:20 pmORD-GTF
9h 20m1 stop
Hawaiian Airlines Logo
4:00 pm - 11:58 pmGTF-ORD
6h 58m1 stop
$408Hawaiian Airlines
Find Deal
Fri, Apr 17 - Mon, Apr 20
Hawaiian Airlines Logo
7:00 am - 3:20 pmORD-GTF
9h 20m1 stop
Hawaiian Airlines Logo
4:00 pm - 11:58 pmGTF-ORD
6h 58m1 stop
$411Hawaiian Airlines
Find Deal
Fri, Apr 17 - Mon, Apr 20
United Airlines Logo
7:10 am - 1:39 pmORD-GTF
7h 29m1 stop
United Airlines Logo
2:35 pm - 11:00 pmGTF-ORD
7h 25m1 stop
$587United Airlines
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Thu, Dec 18 - Fri, Dec 26
United Airlines Logo
8:00 pm - 1:33 pmORD-GTF
18h 33m1 stop
United Airlines Logo
6:20 am - 2:48 pmGTF-ORD
7h 28m1 stop
$610United Airlines
Find Deal
Sun, Nov 23 - Thu, Nov 27

Alaska Airlines flights from Chicago to Great Falls

Our best Alaska Airlines deals on Chicago to Great Falls flight tickets
Alaska Airlines
Dec 10
ORD10:00 amChicago O'Hare Intl
9h 55m
1 stop
GTF6:55 pmGreat Falls
Dec 13
GTF7:35 pmGreat Falls
9h 46m
1 stop
ORD6:21 amChicago O'Hare Intl
$244
Find similar
Alaska Airlines
Nov 21
ORD6:00 amChicago O'Hare Intl
14h 02m
1 stop
GTF7:02 pmGreat Falls
Nov 23
GTF7:42 pmGreat Falls
9h 46m
1 stop
ORD6:28 amChicago O'Hare Intl
$278
Find similar
Alaska Airlines
Nov 18
ORD10:00 amChicago O'Hare Intl
9h 10m
1 stop
GTF6:10 pmGreat Falls
Dec 6
GTF7:35 pmGreat Falls
9h 46m
1 stop
ORD6:21 amChicago O'Hare Intl
$296
Find similar

Delta flights from Chicago to Great Falls

Our best Delta deals on Chicago to Great Falls flight tickets
Delta
Dec 10
ORD8:50 amChicago O'Hare Intl
9h 38m
2 stops
GTF5:28 pmGreat Falls
Dec 13
GTF6:10 pmGreat Falls
13h 32m
2 stops
ORD8:42 amChicago O'Hare Intl
$275
Find similar
Delta
Nov 18
ORD7:20 amChicago O'Hare Intl
6h 12m
1 stop
GTF12:32 pmGreat Falls
Dec 6
GTF6:10 pmGreat Falls
13h 32m
2 stops
ORD8:42 amChicago O'Hare Intl
$302
Find similar
Delta
Nov 18
ORD1:14 pmChicago O'Hare Intl
10h 16m
2 stops
GTF10:30 pmGreat Falls
Dec 6
GTF6:10 pmGreat Falls
13h 32m
2 stops
ORD8:42 amChicago O'Hare Intl
$307
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago to Great Falls 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 October 30, 2025.
Use the filters below to find and compare flights from Chicago to Great Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Wed 12/10

10:00 am-6:55 pm

1 stop9h 55m

Great Falls

Sat 12/13

7:35 pm-6:21 am

1 stop9h 46m

$244

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Thu 11/13

9:22 pm-9:31 pm

2 stops25h 09m

Great Falls

Mon 11/17

9:22 pm-5:32 am

1 stop7h 10m

$265

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Wed 12/10

8:50 am-5:28 pm

2 stops9h 38m

Great Falls

Sat 12/13

6:10 pm-8:42 am

2 stops13h 32m

$275

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Fri 11/21

6:00 am-7:02 pm

1 stop14h 02m

Great Falls

Sun 11/23

7:42 pm-6:28 am

1 stop9h 46m

$278

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Tue 11/18

10:00 am-6:10 pm

1 stop9h 10m

Great Falls

Sat 12/6

7:35 pm-6:21 am

1 stop9h 46m

$296

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Tue 11/18

7:20 am-12:32 pm

1 stop6h 12m

Great Falls

Sat 12/6

6:10 pm-8:42 am

2 stops13h 32m

$302

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Fri 4/17

7:00 am-3:20 pm

1 stop9h 20m

Great Falls

Mon 4/20

4:00 pm-11:58 pm

1 stop6h 58m

$408

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Fri 4/17

7:00 am-3:20 pm

1 stop9h 20m

Great Falls

Mon 4/20

4:00 pm-11:58 pm

1 stop6h 58m

$411

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Thu 12/18

7:10 am-1:39 pm

1 stop7h 29m

Great Falls

Fri 12/26

2:35 pm-11:00 pm

1 stop7h 25m

$587

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Sun 11/23

8:00 pm-1:33 pm

1 stop18h 33m

Great Falls

Thu 11/27

6:20 am-2:48 pm

1 stop7h 28m

$610

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Great Falls from

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 $658 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.

Can stopping save me money on Chicago to Great Falls flights?

You could potentially save up to 41% on your flight if you consider stops on a Chicago to Great Falls flight.

When to book flights from Chicago to Great Falls

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

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

Direct flights

None
There are no direct flights from Chicago to Great Falls. There are no popular flight routes from Chicago to Great Falls.
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  • 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 6h 12m.

  • 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?

  • 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?

  • What is the most popular airline from Chicago to Great Falls?

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
United AirlinesPriceFrom $328Free CancellationRating
7.4
8,998 reviews
Search United Airlines flights

Traveling to a place near Great Falls?

Book flights to Great Falls if you plan to visit one of these locations
Shelby

Why use momondo?

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.

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