HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Great Falls

$179+ Cheap flights from Chicago (CHI) to Great Falls (GTF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — GTF
Dec 17 — Dec 241
Wed 12/17
Wed 12/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Chicago to Great Falls with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Chicago to Great Falls

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Great Falls (GTF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$307
(Delta)

One-way from

$179
(Alaska Airlines)

Popular in

August

Cheapest in

December

Average price

$274
Provider with most accurate pricing for Chicago (CHI)-Great Falls flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Great Falls flights.
Search Deals
From Chicago (CHI) to Great Falls
Search Deals
One-way flight from Chicago (CHI) to Great Falls
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from Chicago to Great Falls

Cheapest flights from Chicago to Great Falls
Explore the most affordable flight options available from Chicago to Great Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 17, 2025.

This Delta deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/57:20 amORD - GTF
1 stop6h 11mDelta
Tue 12/96:10 pmGTF - ORD
2 stops13h 29mDelta
Deal found 11/16$307
This Delta deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/56:00 amMDW - GTF
2 stops12h 28mDelta
Tue 12/91:12 pmGTF - MDW
2 stops9h 35mDelta
Deal found 11/16$333
This Delta deal was found by Cheapflights users on 11/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/135:29 pmORD - GTF
1 stop6h 53mDelta
Sat 1/105:30 amGTF - ORD
1 stop6h 46mDelta
Deal found 11/15$353
This Delta deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/46:00 amMDW - GTF
2 stops12h 28mDelta
Mon 12/86:10 pmGTF - MDW
2 stops14h 44mDelta
Deal found 11/16$414
This Alaska Airlines deal was found by Cheapflights users on 11/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/133:05 pmORD - GTF
2 stops28h 50mAlaska Airlines
Sat 1/105:59 pmGTF - ORD
2 stops28h 38mAlaska Airlines
Deal found 11/15$508
This United Airlines deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/217:10 amORD - GTF
1 stop7h 23mUnited Airlines
Sat 11/296:20 amGTF - ORD
2 stops12h 51mUnited Airlines
Deal found 11/17$879

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated November 17, 2025.
Use the filters below to find and compare flights from Chicago to Great Falls that are best for you.

Fly from

Chicago

Fly to

Great Falls

Route

Depart

Return

Price

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Fri 12/5

7:20 am-12:31 pm

1 stop6h 11m

Great Falls

Tue 12/9

6:10 pm-8:39 am

2 stops13h 29m

$307

ChicagoGreat Falls

MDW - GTF

MDWGTF

Chicago Midway

Fri 12/5

6:00 am-5:28 pm

2 stops12h 28m

Great Falls

Tue 12/9

1:12 pm-11:47 pm

2 stops9h 35m

$333

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Sat 12/13

5:29 pm-11:22 pm

1 stop6h 53m

Great Falls

Sat 1/10

5:30 am-1:16 pm

1 stop6h 46m

$353

ChicagoGreat Falls

MDW - GTF

MDWGTF

Chicago Midway

Thu 12/4

6:00 am-5:28 pm

2 stops12h 28m

Great Falls

Mon 12/8

6:10 pm-9:54 am

2 stops14h 44m

$414

ChicagoGreat Falls

MDW - GTF

MDWGTF

Chicago Midway

Fri 4/10

1:00 pm-10:53 pm

2 stops10h 53m

Great Falls

Tue 4/14

6:20 pm-9:51 am

2 stops14h 31m

$464

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Thu 1/1

8:45 am-10:46 pm

1 stop15h 01m

Great Falls

Thu 1/8

2:29 pm-11:58 pm

1 stop8h 29m

$509

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Thu 1/1

3:00 pm-10:30 pm

1 stop8h 30m

Great Falls

Thu 1/8

5:30 am-5:26 pm

2 stops10h 56m

$587

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Thu 1/1

2:12 pm-6:41 pm

2 stops29h 29m

Great Falls

Thu 1/8

5:59 pm-2:29 pm

2 stops19h 30m

$668

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Fri 11/21

2:40 pm-10:39 pm

1 stop8h 59m

Great Falls

Sat 11/29

2:30 pm-11:23 am

1 stop19h 53m

$905

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Fri 11/21

6:00 am-7:02 pm

1 stop14h 02m

Great Falls

Sat 11/29

7:42 pm-7:12 pm

2 stops22h 30m

$1,078

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/16

Showing 1-10 of 15 results
1
2

Compare providers for flights from Chicago to Great Falls

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Great Falls in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago-Great Falls flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Chicago-Great Falls flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Chicago-Great Falls flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Great Falls flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Great Falls flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Chicago to Great Falls

Have a flexible travel schedule? Discover the best time to fly to Great Falls from Chicago with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago to Great Falls

What is the cheapest time of day to fly from CHI to GTF?

Find hourly flight availability from Chicago to Great Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 17, 2025.

One of the essential ways to save on airfare from Chicago to Great Falls is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 12% on airfare.

Reviews of airlines servicing Great Falls

Get insights into the airlines that provide service to Great Falls. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Great Falls. Reviews last updated November 17, 2025.
Peruse reviews from past customers who have flown with Delta and United Airlines from Chicago to Great Falls to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,008 reviews

Overall

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,008 reviews
Delta
7.9
Good
8,008 reviews

Overall

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,014 reviews
Delta
7.9
Good
8,008 reviews

Overall

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Chicago to Great Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Great Falls from Chicago?

    If you book a flight to Great Falls from Chicago, you will be flying to Great Falls, which is the city’s only airport. Great Falls (GTF) is located 3.5 mi from the center of Great Falls. There are 0 flights from Chicago to Great Falls per day from 1 airline.

  • How long is the flight from Chicago to Great Falls?

    Departing from Chicago to Great Falls will take you 6h 11m. Chicago and Great Falls are separated by a distance of 1207 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Chicago to Great Falls round-trip?

    Flying on United Airlines is currently your cheapest option to Great Falls, with prices starting at $328. United Airlines is currently priced 14% below the average price you’ll pay for this route.

  • Can I find deals for flights from Chicago to Great Falls that include hotel bookings?

    Yes. In addition to deals on Chicago to Great Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Great Falls?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Great Falls.

  • Can I find deals for business class flights from Chicago to Great Falls?

    Yes. Cheapflights offers flight deals from Chicago to Great Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Great Falls?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Chicago to Great Falls

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Bozeman flights
O'Hare Intl to Kalispell flights
O'Hare Intl to Missoula flights
Midway to Bozeman flights
St. Louis to Bozeman flights
Midway to Kalispell flights
St. Louis to Kalispell flights
Midway to Missoula flights
O'Hare Intl to Billings flights
O'Hare Intl to Helena flights
O'Hare Intl to Great Falls flights
Midway to Billings flights
St. Louis to Billings flights
O'Hare Intl to Butte flights
St. Louis to Missoula flights
O'Hare Intl to Cody flights
St. Louis to Great Falls flights
Midway to Great Falls flights
St. Louis to Helena flights
Bloomington to Kalispell flights
Moline to Missoula flights
Midway to Helena flights
St. Louis to Cody flights
Moline to Bozeman flights
Champaign to Bozeman flights
Peoria to Helena flights
St. Louis to Butte flights
Bloomington to Missoula flights
Moline to Billings flights
Moline to Kalispell flights
Bloomington to Helena flights
Bloomington to Great Falls flights
O'Hare Intl to West Yellowstone flights
Bloomington to Bozeman flights
Peoria to Bozeman flights
Peoria to Kalispell flights
Peoria to Missoula flights
Champaign to Billings flights
Moline to Cody flights
Springfield to Missoula flights
Springfield to Bozeman flights
Midway to West Yellowstone flights
Peoria to Billings flights
Dubuque to Bozeman flights
Dubuque to Kalispell flights

Top airline flying from Chicago to Great Falls

Discover the top airline that operate flights from Chicago to Great Falls. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$328Average$573FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.