HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Chicago

$352+ Cheap flights from Great Falls (GTF) to Chicago (CHI)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/14. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — CHI
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Great Falls to Chicago 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 Great Falls to Chicago

Cheapest flights from Great Falls to Chicago
Explore the most affordable flight options available from Great Falls to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/10. 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.
Wed 12/102:35 pmGTF - ORD
1 stop5h 33mUnited Airlines
Thu 12/112:40 pmORD - GTF
1 stop7h 52mUnited Airlines
Deal found 12/10$530
This Delta deal was found by Cheapflights users on 12/10. 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.
Wed 12/106:10 pmGTF - ORD
2 stops13h 29mDelta
Thu 12/111:20 pmORD - GTF
2 stops10h 10mDelta
Deal found 12/10$541
This United Airlines deal was found by Cheapflights users on 12/9. 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 12/256:15 amGTF - ORD
1 stop7h 40mUnited Airlines
Mon 12/299:40 pmORD - GTF
1 stop26h 06mUnited Airlines
Deal found 12/9$681
This Delta deal was found by Cheapflights users on 12/9. 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 12/251:11 pmGTF - ORD
2 stops9h 51mDelta
Mon 12/296:35 amORD - GTF
2 stops12h 03mDelta
Deal found 12/9$1,079
This Delta deal was found by Cheapflights users on 12/9. 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 12/255:30 amGTF - MDW
2 stops10h 49mDelta
Mon 12/299:29 amMDW - GTF
2 stops9h 09mDelta
Deal found 12/9$1,640

Find flight deals from Great Falls to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Great Falls (GTF) to Chicago (CHI). 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$352
(Alaska Airlines)
Provider with most accurate pricing for Great Falls-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Great Falls-Chicago (CHI) flights.
Search Deals
From Great Falls to Chicago (CHI)
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Great Falls to Chicago 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 December 12, 2025.
Use the filters below to find and compare flights from Great Falls to Chicago that are best for you.

Fly from

Great Falls

Fly to

Chicago

Route

Depart

Return

Price

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Sat 2/14

6:28 pm-11:56 pm

1 stop28h 28m

Chicago O'Hare Intl

Wed 2/18

7:00 am-5:48 pm

1 stop11h 48m

$352

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Thu 12/25

6:15 am-2:55 pm

1 stop7h 40m

Chicago O'Hare Intl

Mon 12/29

9:40 pm-10:46 pm

1 stop26h 06m

$681

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Thu 12/25

1:11 pm-12:02 am

2 stops9h 51m

Chicago O'Hare Intl

Mon 12/29

6:35 am-5:38 pm

2 stops12h 03m

$1,079

Great FallsChicago

GTF - MDW

GTFMDW

Great Falls

Tue 5/12

5:30 am-6:31 pm

2 stops12h 01m

Chicago Midway

Sun 5/17

1:00 pm-10:44 pm

2 stops10h 44m

$1,219

Great FallsChicago

GTF - MDW

GTFMDW

Great Falls

Thu 12/25

5:30 am-5:19 pm

2 stops10h 49m

Chicago Midway

Mon 12/29

9:29 am-5:38 pm

2 stops9h 09m

$1,640

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Compare providers for flights from Great Falls to Chicago

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 Great Falls to Chicago in December.
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 Great Falls-Chicago flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Great Falls-Chicago flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Great Falls-Chicago flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Great Falls-Chicago 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 Great Falls-Chicago 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 Great Falls to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Great Falls 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 Great Falls to Chicago
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated December 12, 2025.
See what other customers who have flown with Delta and United Airlines from Great Falls to Chicago have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.3

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
8,007 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.3

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
9,095 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.3

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 Great Falls to Chicago. 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 from for flights from Great Falls to Chicago?

    For a flight from Great Falls to Chicago, you will be flying from Great Falls. Great Falls (GTF) is just 3.5 mi from the center of the city. Great Falls is the only Great Falls airport and it handles 0 outbound flights to Chicago per day. 1 airline has flights to Chicago from Great Falls on a regular basis.

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

    Airlines like Alaska Airlines, United Airlines, and Delta fly from Great Falls to Chicago in about 7h 40m. The time it takes to get you to your destination can typically vary by up to 20h 48m. The distance between Great Falls and Chicago is about 1207 mi. This flight may include one or multiple stops.

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

    Cheapflights users have booked flights from Great Falls to Chicago round-trip from $277.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Great Falls to Chicago 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 Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lansing
Merrillville
Hammond
Porter
Benton Harbor

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 Great Falls to Chicago

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

Top airline flying from Great Falls to Chicago

Discover the top airline that operate flights from Great Falls to Chicago. 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$277Average$591FlexibilityNo 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.