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Cheap flights from Chicago to Great Falls from $195

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 8/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago to Great Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:45 am - 12:35 pm
ORD
-
GTF
5h 50m
1 stop
Delta Logo
5:40 am - 11:55 am
GTF
-
ORD
5h 15m
1 stop
$306Delta
Sun, Sep 13 - Sat, Sep 19
Delta Logo
11:17 am - 10:42 pm
ORD
-
GTF
12h 25m
2 stops
Delta Logo
5:40 am - 11:55 am
GTF
-
ORD
5h 15m
1 stop
$312Delta
Fri, Sep 11 - Wed, Sep 23
Delta Logo
7:45 am - 12:35 pm
ORD
-
GTF
5h 50m
1 stop
Delta Logo
5:40 am - 11:55 am
GTF
-
ORD
5h 15m
1 stop
$316Delta
Sun, Sep 13 - Sat, Sep 19
Delta Logo
2:00 pm - 10:42 pm
MDW
-
GTF
9h 42m
2 stops
Delta Logo
6:21 pm - 9:50 am
GTF
-
MDW
14h 29m
2 stops
$317Delta
Tue, Sep 15 - Mon, Sep 21
Delta Logo
7:45 am - 12:35 pm
ORD
-
GTF
5h 50m
1 stop
Delta Logo
1:15 pm - 9:52 pm
GTF
-
ORD
7h 37m
1 stop
$318Delta
Mon, Sep 14 - Tue, Sep 22
Delta Logo
1:55 pm - 10:42 pm
ORD
-
GTF
9h 47m
2 stops
Delta Logo
1:15 pm - 9:52 pm
GTF
-
ORD
7h 37m
1 stop
$322Delta
Fri, Sep 11 - Tue, Sep 22
Delta Logo
7:05 am - 5:43 pm
ORD
-
GTF
11h 38m
2 stops
Delta Logo
1:10 pm - 9:53 pm
GTF
-
ORD
7h 43m
1 stop
$324Delta
Sat, Oct 24 - Sat, Oct 31
Delta Logo
7:45 am - 12:35 pm
ORD
-
GTF
5h 50m
1 stop
Delta Logo
5:40 am - 11:55 am
GTF
-
ORD
5h 15m
1 stop
$342Delta
Tue, Sep 15 - Sat, Sep 19
Delta Logo
7:45 am - 12:35 pm
ORD
-
GTF
5h 50m
1 stop
Delta Logo
1:15 pm - 9:52 pm
GTF
-
ORD
7h 37m
1 stop
$347Delta
Tue, Sep 15 - Tue, Sep 22
Delta Logo
7:45 am - 12:35 pm
ORD
-
GTF
5h 50m
1 stop
Delta Logo
1:15 pm - 9:52 pm
GTF
-
ORD
7h 37m
1 stop
$348Delta
Tue, Sep 15 - Tue, Sep 22

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United Airlines flights from Chicago to Great Falls

Our best United Airlines deals on Chicago to Great Falls flight tickets
United Airlines
Aug 20
ORD5:55 amChicago O'Hare Intl
8h 34m
1 stop
GTF1:29 pmGreat Falls
Aug 22
GTF2:25 pmGreat Falls
6h 27m
1 stop
ORD9:52 pmChicago O'Hare Intl
$366
United Airlines
Sep 12
ORD4:20 pmChicago O'Hare Intl
5h 52m
1 stop
GTF9:12 pmGreat Falls
Sep 21
GTF2:25 pmGreat Falls
6h 35m
1 stop
ORD10:00 pmChicago O'Hare Intl
$408
United Airlines
Sep 8
ORD6:00 amChicago O'Hare Intl
8h 29m
1 stop
GTF1:29 pmGreat Falls
Sep 16
GTF2:25 pmGreat Falls
6h 35m
1 stop
ORD10:00 pmChicago O'Hare Intl
$423

Alaska Airlines flights from Chicago to Great Falls

Our best Alaska Airlines deals on Chicago to Great Falls flight tickets
Alaska Airlines
Sep 13
ORD6:00 amChicago O'Hare Intl
11h 39m
1 stop
GTF4:39 pmGreat Falls
Sep 21
GTF5:19 pmGreat Falls
12h 01m
1 stop
ORD6:20 amChicago O'Hare Intl
$378
Alaska Airlines
Sep 11
ORD8:00 amChicago O'Hare Intl
9h 39m
1 stop
GTF4:39 pmGreat Falls
Sep 22
GTF5:19 pmGreat Falls
12h 01m
1 stop
ORD6:20 amChicago O'Hare Intl
$413
Alaska Airlines
Aug 11
ORD6:00 amChicago O'Hare Intl
11h 29m
1 stop
GTF4:29 pmGreat Falls
Aug 16
GTF5:09 pmGreat Falls
26h 19m
2 stops
ORD8:28 pmChicago O'Hare Intl
$424

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 June 27, 2026.
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

Cheapest round-trip
Quickest round-trip

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Sun 9/13

7:45 am-12:35 pm

1 stop5h 50m

Great Falls

Sat 9/19

5:40 am-11:55 am

1 stop5h 15m

$306

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Fri 9/11

11:17 am-10:42 pm

2 stops12h 25m

Great Falls

Wed 9/23

5:40 am-11:55 am

1 stop5h 15m

$312

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Sun 9/13

7:45 am-12:35 pm

1 stop5h 50m

Great Falls

Sat 9/19

5:40 am-11:55 am

1 stop5h 15m

$316

ChicagoGreat Falls

MDW - GTF

MDWGTF

Chicago Midway

Tue 9/15

2:00 pm-10:42 pm

2 stops9h 42m

Great Falls

Mon 9/21

6:21 pm-9:50 am

2 stops14h 29m

$317

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Mon 9/14

7:45 am-12:35 pm

1 stop5h 50m

Great Falls

Tue 9/22

1:15 pm-9:52 pm

1 stop7h 37m

$318

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Fri 9/11

1:55 pm-10:42 pm

2 stops9h 47m

Great Falls

Tue 9/22

1:15 pm-9:52 pm

1 stop7h 37m

$322

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Sat 10/24

7:05 am-5:43 pm

2 stops11h 38m

Great Falls

Sat 10/31

1:10 pm-9:53 pm

1 stop7h 43m

$324

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Tue 9/15

7:45 am-12:35 pm

1 stop5h 50m

Great Falls

Sat 9/19

5:40 am-11:55 am

1 stop5h 15m

$342

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Tue 9/15

7:45 am-12:35 pm

1 stop5h 50m

Great Falls

Tue 9/22

1:15 pm-9:52 pm

1 stop7h 37m

$347

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Tue 9/15

7:45 am-12:35 pm

1 stop5h 50m

Great Falls

Tue 9/22

1:15 pm-9:52 pm

1 stop7h 37m

$348

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 month to fly to Great Falls?

The month of April is another great option to travel to Great Falls, with average flight prices from Chicago averaging around $226.

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 is only 1 cabin class 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 61% 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

Fastest flight time

3h 46m

Direct flights

Wed, Thu, Fri and Sun

Airports in Great Falls

1 airport
The fastest flight from Chicago to Great Falls takes 3h 46m
Direct flights go from Chicago to Great Falls on Wednesday, Thursday, Friday and Sunday. There are no airlines offering direct flights.
There is 1 airport in Great Falls. From Chicago there are direct flights to Great Falls (GTF).
Search flight deals

Frequently asked questions about flying 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 46m.

  • 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 $275Free CancellationRating
7.4
9,893 reviews
Search United Airlines flights
DeltaPriceFrom $318Free CancellationRating
7.8
8,453 reviews
Search Delta flights

  • United Airlines Flights From Chicago to Great Falls

    United Airlines operates around 1 flight from Chicago to Great Falls every week. The average price of these flights found in the last 72 hours has been $470, but momondo users have found United Airlines deals from Chicago to Great Falls from as low as $275 round-trip. United Airlines has been scored 7.4/10 in 9,896 reviews.

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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