Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Chicago to Great Falls 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 Chicago to Great Falls departing on 9/28. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Chicago to Great Falls

Cheap round-trip flights

United Airlines Logo
7:10 am - 1:26 pmORD-GTF
7h 16m1 stop
United Airlines Logo
2:31 pm - 9:30 pmGTF-ORD
5h 59m1 stop
$289United Airlines
Find Deal
dom., oct. 12 - vie., oct. 17
United Airlines Logo
2:53 pm - 9:11 pmORD-GTF
7h 18m1 stop
United Airlines Logo
2:31 pm - 11:59 pmGTF-ORD
8h 28m1 stop
$302United Airlines
Find Deal
mié., oct. 1 - dom., oct. 5
United Airlines Logo
7:10 am - 1:26 pmORD-GTF
7h 16m1 stop
United Airlines Logo
2:31 pm - 11:59 pmGTF-ORD
8h 28m1 stop
$314United Airlines
Find Deal
dom., oct. 12 - lun., oct. 20
Delta Logo
7:20 am - 12:31 pmORD-GTF
6h 11m1 stop
Delta Logo
1:12 pm - 9:24 pmGTF-ORD
7h 12m1 stop
$321Delta
Find Deal
mié., dic. 3 - dom., dic. 7
Delta Logo
9:50 am - 10:30 pmORD-GTF
13h 40m2 stops
Delta Logo
1:12 pm - 9:24 pmGTF-ORD
7h 12m1 stop
$417Delta
Find Deal
mié., dic. 3 - dom., dic. 7
Delta Logo
5:30 am - 5:27 pmORD-GTF
12h 57m2 stops
Delta Logo
5:40 am - 11:50 amGTF-ORD
5h 10m1 stop
$424Delta
Find Deal
mié., oct. 1 - dom., oct. 5
Delta Logo
7:50 am - 12:28 pmORD-GTF
5h 38m1 stop
Delta Logo
6:09 pm - 8:32 amGTF-ORD
13h 23m2 stops
$459Delta
Find Deal
dom., oct. 12 - lun., oct. 20
Alaska Airlines Logo
10:25 am - 6:55 pmORD-GTF
9h 30m2 stops
Alaska Airlines Logo
7:35 pm - 7:17 pmGTF-ORD
22h 42m2 stops
$528Alaska Airlines
Find Deal
mié., dic. 3 - dom., dic. 7
Alaska Airlines Logo
7:00 am - 3:49 pmORD-GTF
9h 49m2 stops
Alaska Airlines Logo
4:29 pm - 5:00 amGTF-ORD
11h 31m2 stops
$908Alaska Airlines
Find Deal
lun., sep. 29 - jue., oct. 2
Alaska Airlines Logo
2:04 pm - 5:35 pmORD-GTF
28h 31m2 stops
Alaska Airlines Logo
6:15 pm - 1:04 pmGTF-ORD
17h 49m2 stops
$933Alaska Airlines
Find Deal
dom., oct. 12 - jue., oct. 16

United Airlines flights from Chicago to Great Falls

Our best United Airlines deals on Chicago to Great Falls flight tickets
United Airlines
Oct 12
ORD7:10 amChicago O'Hare Intl
7h 16m
1 stop
GTF1:26 pmGreat Falls
Oct 17
GTF2:31 pmGreat Falls
5h 59m
1 stop
ORD9:30 pmChicago O'Hare Intl
$289
Find similar
United Airlines
Oct 1
ORD2:53 pmChicago O'Hare Intl
7h 18m
1 stop
GTF9:11 pmGreat Falls
Oct 5
GTF2:31 pmGreat Falls
8h 28m
1 stop
ORD11:59 pmChicago O'Hare Intl
$302
Find similar
United Airlines
Oct 12
ORD7:10 amChicago O'Hare Intl
7h 16m
1 stop
GTF1:26 pmGreat Falls
Oct 20
GTF2:31 pmGreat Falls
8h 28m
1 stop
ORD11:59 pmChicago O'Hare Intl
$314
Find similar

Delta flights from Chicago to Great Falls

Our best Delta deals on Chicago to Great Falls flight tickets
Delta
Dec 3
ORD7:20 amChicago O'Hare Intl
6h 11m
1 stop
GTF12:31 pmGreat Falls
Dec 7
GTF1:12 pmGreat Falls
7h 12m
1 stop
ORD9:24 pmChicago O'Hare Intl
$321
Find similar
Delta
Dec 3
ORD9:50 amChicago O'Hare Intl
13h 40m
2 stops
GTF10:30 pmGreat Falls
Dec 7
GTF1:12 pmGreat Falls
7h 12m
1 stop
ORD9:24 pmChicago O'Hare Intl
$417
Find similar
Delta
Oct 1
ORD5:30 amChicago O'Hare Intl
12h 57m
2 stops
GTF5:27 pmGreat Falls
Oct 5
GTF5:40 amGreat Falls
5h 10m
1 stop
ORD11:50 amChicago O'Hare Intl
$424
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 septiembre 17, 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

dom. 10/12

7:10 am-1:26 pm

1 stop7h 16m

Great Falls

vie. 10/17

2:31 pm-9:30 pm

1 stop5h 59m

$289

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

mié. 10/1

2:53 pm-9:11 pm

1 stop7h 18m

Great Falls

dom. 10/5

2:31 pm-11:59 pm

1 stop8h 28m

$302

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

dom. 10/12

7:10 am-1:26 pm

1 stop7h 16m

Great Falls

lun. 10/20

2:31 pm-11:59 pm

1 stop8h 28m

$314

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

mié. 12/3

7:20 am-12:31 pm

1 stop6h 11m

Great Falls

dom. 12/7

1:12 pm-9:24 pm

1 stop7h 12m

$321

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

mié. 12/3

9:50 am-10:30 pm

2 stops13h 40m

Great Falls

dom. 12/7

1:12 pm-9:24 pm

1 stop7h 12m

$417

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

mié. 10/1

5:30 am-5:27 pm

2 stops12h 57m

Great Falls

dom. 10/5

5:40 am-11:50 am

1 stop5h 10m

$424

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

dom. 10/12

7:50 am-12:28 pm

1 stop5h 38m

Great Falls

lun. 10/20

6:09 pm-8:32 am

2 stops13h 23m

$459

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

mié. 12/3

10:25 am-6:55 pm

2 stops9h 30m

Great Falls

dom. 12/7

7:35 pm-7:17 pm

2 stops22h 42m

$528

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

lun. 9/29

7:00 am-3:49 pm

2 stops9h 49m

Great Falls

jue. 10/2

4:29 pm-5:00 am

2 stops11h 31m

$908

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

dom. 10/12

2:04 pm-5:35 pm

2 stops28h 31m

Great Falls

jue. 10/16

6:15 pm-1:04 pm

2 stops17h 49m

$933

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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 44% 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.
Search flight deals

  • 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 5h 38m.

  • 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 $329Free CancellationRating
7.4
8,926 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.

An easier way to manage your Great Falls trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
vie. 10/17
vie. 10/24
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States