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Cheap flights from Chicago O'Hare Intl Airport to Great Falls from $82

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 O'Hare Intl Airport to Great Falls departing on 4/9. 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 Chicago O'Hare Intl Airport to Great Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:20 am - 12:24 pm
ORD
-
GTF
6h 04m1 stop
Delta Logo
1:09 pm - 9:35 pm
GTF
-
ORD
7h 26m1 stop
$164Delta
Thu, Apr 9 - Mon, Apr 20
Alaska Airlines Logo
8:00 am - 5:19 pm
ORD
-
GTF
10h 19m1 stop
Alaska Airlines Logo
5:59 pm - 2:38 pm
GTF
-
ORD
19h 39m1 stop
$254Alaska Airlines
Thu, Jan 29 - Thu, Feb 5
Delta Logo
7:15 am - 12:23 pm
ORD
-
GTF
6h 08m1 stop
Delta Logo
1:10 pm - 9:58 pm
GTF
-
ORD
7h 48m1 stop
$255Delta
Thu, May 7 - Tue, May 12
Alaska Airlines Logo
5:29 pm - 5:48 pm
ORD
-
GTF
25h 19m1 stop
Alaska Airlines Logo
6:28 pm - 2:05 pm
GTF
-
ORD
18h 37m1 stop
$264Alaska Airlines
Tue, Feb 17 - Sat, Feb 21
Delta Logo
7:20 am - 12:24 pm
ORD
-
GTF
6h 04m1 stop
Delta Logo
6:20 pm - 8:35 am
GTF
-
ORD
13h 15m2 stops
$282Delta
Thu, Apr 9 - Mon, Apr 20
Delta Logo
7:15 am - 12:23 pm
ORD
-
GTF
6h 08m1 stop
Delta Logo
1:10 pm - 9:58 pm
GTF
-
ORD
7h 48m1 stop
$290Delta
Thu, May 7 - Tue, May 12
Delta Logo
5:30 am - 5:30 pm
ORD
-
GTF
13h 00m2 stops
Delta Logo
1:12 pm - 9:52 pm
GTF
-
ORD
7h 40m1 stop
$302Delta
Thu, Jan 29 - Thu, Feb 5
Alaska Airlines Logo
8:00 am - 5:19 pm
ORD
-
GTF
10h 19m1 stop
Alaska Airlines Logo
5:59 pm - 2:38 pm
GTF
-
ORD
19h 39m1 stop
$303Alaska Airlines
Wed, Jan 28 - Thu, Jan 29
Alaska Airlines Logo
8:00 am - 5:19 pm
ORD
-
GTF
10h 19m1 stop
Alaska Airlines Logo
5:59 pm - 2:38 pm
GTF
-
ORD
19h 39m1 stop
$318Alaska Airlines
Thu, Jan 22 - Mon, Jan 26
Alaska Airlines Logo
3:43 pm - 6:12 pm
ORD
-
GTF
27h 29m2 stops
Alaska Airlines Logo
6:52 pm - 6:40 am
GTF
-
ORD
10h 48m1 stop
$319Alaska Airlines
Tue, May 19 - Sat, May 23

Delta flights from Chicago O'Hare Intl Airport to Great Falls

Our best Delta deals on Chicago O'Hare Intl Airport to Great Falls flight tickets
Delta
Apr 9
ORD7:20 amChicago O'Hare Intl
6h 04m
1 stop
GTF12:24 pmGreat Falls
Apr 20
GTF1:09 pmGreat Falls
7h 26m
1 stop
ORD9:35 pmChicago O'Hare Intl
$164
Delta
May 7
ORD7:15 amChicago O'Hare Intl
6h 08m
1 stop
GTF12:23 pmGreat Falls
May 12
GTF1:10 pmGreat Falls
7h 48m
1 stop
ORD9:58 pmChicago O'Hare Intl
$219
Delta
May 7
ORD7:15 amChicago O'Hare Intl
6h 08m
1 stop
GTF12:23 pmGreat Falls
May 12
GTF1:10 pmGreat Falls
7h 48m
1 stop
ORD9:58 pmChicago O'Hare Intl
$255

Alaska Airlines flights from Chicago O'Hare Intl Airport to Great Falls

Our best Alaska Airlines deals on Chicago O'Hare Intl Airport to Great Falls flight tickets
Alaska Airlines
Jan 29
ORD8:00 amChicago O'Hare Intl
10h 19m
1 stop
GTF5:19 pmGreat Falls
Feb 5
GTF5:59 pmGreat Falls
19h 39m
1 stop
ORD2:38 pmChicago O'Hare Intl
$254
Alaska Airlines
Feb 17
ORD5:29 pmChicago O'Hare Intl
25h 19m
1 stop
GTF5:48 pmGreat Falls
Feb 21
GTF6:28 pmGreat Falls
18h 37m
1 stop
ORD2:05 pmChicago O'Hare Intl
$264
Alaska Airlines
Jan 28
ORD8:00 amChicago O'Hare Intl
10h 19m
1 stop
GTF5:19 pmGreat Falls
Jan 29
GTF5:59 pmGreat Falls
19h 39m
1 stop
ORD2:38 pmChicago O'Hare Intl
$303

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport 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 January 8, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport 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

Thu 4/9

7:20 am-12:24 pm

1 stop6h 04m

Great Falls

Mon 4/20

1:09 pm-9:35 pm

1 stop7h 26m

$164

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Thu 1/29

8:00 am-5:19 pm

1 stop10h 19m

Great Falls

Thu 2/5

5:59 pm-2:38 pm

1 stop19h 39m

$254

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Thu 5/7

7:15 am-12:23 pm

1 stop6h 08m

Great Falls

Tue 5/12

1:10 pm-9:58 pm

1 stop7h 48m

$255

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Tue 2/17

5:29 pm-5:48 pm

1 stop25h 19m

Great Falls

Sat 2/21

6:28 pm-2:05 pm

1 stop18h 37m

$264

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Thu 4/9

7:20 am-12:24 pm

1 stop6h 04m

Great Falls

Mon 4/20

6:20 pm-8:35 am

2 stops13h 15m

$282

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Thu 5/7

7:15 am-12:23 pm

1 stop6h 08m

Great Falls

Tue 5/12

1:10 pm-9:58 pm

1 stop7h 48m

$290

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Thu 1/29

5:30 am-5:30 pm

2 stops13h 00m

Great Falls

Thu 2/5

1:12 pm-9:52 pm

1 stop7h 40m

$302

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Wed 1/28

8:00 am-5:19 pm

1 stop10h 19m

Great Falls

Thu 1/29

5:59 pm-2:38 pm

1 stop19h 39m

$303

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Thu 1/22

8:00 am-5:19 pm

1 stop10h 19m

Great Falls

Mon 1/26

5:59 pm-2:38 pm

1 stop19h 39m

$318

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Tue 5/19

3:43 pm-6:12 pm

2 stops27h 29m

Great Falls

Sat 5/23

6:52 pm-6:40 am

1 stop10h 48m

$319

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Chicago O'Hare Intl Airport 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 Chicago O'Hare Intl to Great Falls flight route?

Fly from Chicago O'Hare Intl to Great Falls for the best Chicago O'Hare Intl - Great Falls flight prices

What cabin class options are available on Chicago O'Hare Intl to Great Falls flights?

There are 2 cabin classes available to choose from on Chicago O'Hare Intl 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 O'Hare Intl Airport to Great Falls flights?

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

When to book flights from Chicago O'Hare Intl Airport to Great Falls

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

Cheap Chicago O'Hare Intl Airport to Great Falls (ORD to GTF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Great Falls

Fastest flight time

6h 04m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Great Falls takes 6h 04m
There are no direct flights from Chicago O'Hare Intl Airport to Great Falls. There are no popular flight routes from Chicago O'Hare Intl Airport to Great Falls.
Search flight deals

  • How far is Chicago O'Hare Intl to Great Falls by plane?

    There are 1203.7 mi between Chicago O'Hare Intl and Great Falls. 6h 04m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Great Falls Airport?

    Prices for flights from Chicago O'Hare Intl Airport to Great Falls Airport were last updated today.

  • How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Great Falls Airport?

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Great Falls Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Great Falls Airport.

  • What documentation or ID do you need to fly to Great Falls Airport?

    The necessary travel and health documents for your Great Falls Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Chicago O'Hare Intl Airport to Great Falls?

  • What is the most popular airline from Chicago O'Hare Intl Airport to Great Falls?

Best airlines flying from Chicago O'Hare Intl Airport to Great Falls

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Great Falls with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $328Free CancellationRating
7.4
9,139 reviews
Search United Airlines flights

Traveling to a place near Great Falls?

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Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Great Falls?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Great Falls from Chicago.

Can I find flights from Chicago to Great Falls with flexible booking policies on momondo?

Flights from Chicago to Great Falls 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 Chicago to Great Falls?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Great Falls from Chicago.

I’m not ready to book a flight from Chicago to Great Falls right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Chicago to Great Falls now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Great Falls and let you know when they change.

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