HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Great Falls

$133+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — GTF
Apr 6 — Apr 131
Mon 4/6
Mon 4/13
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

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 March 7, 2026.

This Alaska Airlines deal was found by Cheapflights users on 3/3. 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.
Wed 4/226:00 am
ORD
-
GTF
1 stop12h 35m
Alaska Airlines
Fri 4/246:15 pm
GTF
-
ORD
1 stop11h 25m
Alaska Airlines
Deal found 3/3$252
This United Airlines deal was found by Cheapflights users on 3/6. 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 5/82:20 pm
ORD
-
GTF
1 stop7h 58m
United Airlines
Sun 5/102:35 pm
GTF
-
ORD
1 stop8h 22m
United Airlines
Deal found 3/6$278
This Delta deal was found by Cheapflights users on 3/4. 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.
Sun 9/67:15 am
ORD
-
GTF
1 stop6h 08m
Delta
Sat 9/125:30 am
GTF
-
ORD
2 stops10h 18m
Delta
Deal found 3/4$284
This United Airlines deal was found by Cheapflights users on 3/2. 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 4/32:35 pm
ORD
-
GTF
1 stop7h 42m
United Airlines
Mon 4/62:30 pm
GTF
-
ORD
1 stop7h 58m
United Airlines
Deal found 3/2$286
This Delta deal was found by Cheapflights users on 3/2. 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.
Tue 5/268:42 am
ORD
-
GTF
2 stops9h 57m
Delta
Sun 5/315:40 am
GTF
-
ORD
1 stop5h 12m
Delta
Deal found 3/2$294
This Delta deal was found by Cheapflights users on 3/4. 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.
Sun 9/65:00 pm
ORD
-
GTF
1 stop6h 44m
Delta
Tue 9/151:10 pm
GTF
-
ORD
1 stop7h 48m
Delta
Deal found 3/4$308
This United Airlines deal was found by Cheapflights users on 3/2. 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.
Thu 4/22:35 pm
ORD
-
GTF
1 stop7h 42m
United Airlines
Sun 4/52:30 pm
GTF
-
ORD
1 stop7h 58m
United Airlines
Deal found 3/2$316
This United Airlines deal was found by Cheapflights users on 3/5. 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.
Mon 4/202:05 pm
ORD
-
GTF
1 stop8h 12m
United Airlines
Sat 4/252:30 pm
GTF
-
ORD
1 stop5h 47m
United Airlines
Deal found 3/5$334
This United Airlines deal was found by Cheapflights users on 3/3. 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.
Thu 4/22:35 pm
ORD
-
GTF
1 stop7h 42m
United Airlines
Mon 4/62:30 pm
GTF
-
ORD
1 stop7h 24m
United Airlines
Deal found 3/3$336
This Delta deal was found by Cheapflights users on 3/4. 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 9/129:20 am
MDW
-
GTF
2 stops9h 19m
Delta
Tue 9/151:10 pm
GTF
-
MDW
2 stops22h 20m
Delta
Deal found 3/4$421
This Delta deal was found by Cheapflights users on 3/2. 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.
Tue 4/142:12 pm
MDW
-
GTF
2 stops9h 17m
Delta
Tue 4/215:30 am
GTF
-
MDW
2 stops11h 28m
Delta
Deal found 3/2$438
This Delta deal was found by Cheapflights users on 3/4. 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 9/121:00 pm
MDW
-
GTF
2 stops10h 44m
Delta
Wed 9/161:10 pm
GTF
-
MDW
2 stops18h 32m
Delta
Deal found 3/4$441

Find 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 March 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$252
(Alaska Airlines)

One-way from

$133
(Delta)

Popular in

January

Cheapest in

December
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. 36% potential increase in price ($282 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 36% potential price decrease ($132 potential savings vs. average RT price).
Search Deals

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 March 7, 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

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Fri 5/8

2:20 pm-9:18 pm

1 stop7h 58m

Great Falls

Sun 5/10

2:35 pm-11:57 pm

1 stop8h 22m

$278

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Fri 4/3

2:35 pm-9:17 pm

1 stop7h 42m

Great Falls

Mon 4/6

2:30 pm-11:28 pm

1 stop7h 58m

$286

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Tue 5/26

8:42 am-5:39 pm

2 stops9h 57m

Great Falls

Sun 5/31

5:40 am-11:52 am

1 stop5h 12m

$294
Quickest round-trip

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Thu 4/2

2:35 pm-9:17 pm

1 stop7h 42m

Great Falls

Mon 4/6

2:30 pm-10:54 pm

1 stop7h 24m

$336

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Fri 5/8

8:48 pm-5:35 pm

1 stop21h 47m

Great Falls

Sun 5/10

6:15 pm-7:03 pm

2 stops23h 48m

$341

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Tue 4/14

9:50 am-10:29 pm

2 stops13h 39m

Great Falls

Tue 4/21

1:09 pm-9:18 pm

1 stop7h 09m

$343

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Fri 5/22

7:49 pm-6:12 pm

1 stop23h 23m

Great Falls

Mon 5/25

6:52 pm-6:20 am

1 stop10h 28m

$403

ChicagoGreat Falls

MDW - GTF

MDWGTF

Chicago Midway

Tue 4/14

2:12 pm-10:29 pm

2 stops9h 17m

Great Falls

Tue 4/21

5:30 am-5:58 pm

2 stops11h 28m

$438

ChicagoGreat Falls

MDW - GTF

MDWGTF

Chicago Midway

Mon 4/20

2:12 pm-10:29 pm

2 stops9h 17m

Great Falls

Sat 4/25

5:30 am-1:32 pm

2 stops7h 02m

$509

ChicagoGreat Falls

MDW - GTF

MDWGTF

Chicago Midway

Sun 8/2

9:20 am-5:39 pm

2 stops9h 19m

Great Falls

Wed 8/5

6:20 pm-8:42 am

2 stops13h 22m

$815

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/4

Showing 1-10 of 31 resultsSorted by cheapest first
1
2
3
4

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Great Falls flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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
No data available for this route at this time. Please check back soon.

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 March 7, 2026.
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
8,271 reviews

Food

7.2

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

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
8,271 reviews
Delta
7.9
Good
8,271 reviews

Food

7.2

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

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
9,404 reviews
Delta
7.9
Good
8,271 reviews

Food

7.2

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

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 7h 58m. 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 33% 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.

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 March 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$328Average$477FlexibilityNo 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.