HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Chicago

$122+ Cheap flights from Great Falls (GTF) to Chicago (CHI)

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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — CHI
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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 January 29, 2026.

This Delta deal was found by Cheapflights users on 1/27. 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 3/191:05 pm
GTF
-
ORD
1 stop7h 29m
Delta
Wed 3/256:15 am
ORD
-
GTF
2 stops12h 27m
Delta
Deal found 1/27$250
This United Airlines deal was found by Cheapflights users on 1/28. 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 3/202:30 pm
GTF
-
ORD
1 stop8h 22m
United Airlines
Tue 3/247:00 am
ORD
-
GTF
1 stop7h 33m
United Airlines
Deal found 1/28$258
This United Airlines deal was found by Cheapflights users on 1/27. 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 3/192:30 pm
GTF
-
ORD
1 stop5h 59m
United Airlines
Wed 3/257:00 am
ORD
-
GTF
1 stop7h 33m
United Airlines
Deal found 1/27$280
This United Airlines deal was found by Cheapflights users on 1/28. 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.
Tue 6/22:29 pm
GTF
-
ORD
1 stop7h 15m
United Airlines
Tue 6/167:00 am
ORD
-
GTF
1 stop7h 33m
United Airlines
Deal found 1/28$324
This Delta deal was found by Cheapflights users on 1/27. 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 2/201:15 pm
GTF
-
ORD
1 stop7h 37m
Delta
Fri 2/277:15 am
ORD
-
GTF
1 stop6h 15m
Delta
Deal found 1/27$373
This Delta deal was found by Cheapflights users on 1/28. 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 2/271:15 pm
GTF
-
ORD
1 stop7h 37m
Delta
Mon 3/27:15 am
ORD
-
GTF
1 stop6h 15m
Delta
Deal found 1/28$396
This Delta deal was found by Cheapflights users on 1/28. 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 7/246:20 pm
GTF
-
ORD
2 stops12h 06m
Delta
Mon 7/277:15 am
ORD
-
GTF
1 stop6h 08m
Delta
Deal found 1/28$402
This Alaska Airlines deal was found by Cheapflights users on 1/28. 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.
Fri 2/274:57 pm
GTF
-
ORD
2 stops19h 14m
Alaska Airlines
Mon 3/25:29 pm
ORD
-
GTF
1 stop23h 48m
Alaska Airlines
Deal found 1/28$412
This United Airlines deal was found by Cheapflights users on 1/27. 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 2/112:29 pm
GTF
-
ORD
1 stop5h 46m
United Airlines
Sun 2/157:10 am
ORD
-
GTF
1 stop7h 33m
United Airlines
Deal found 1/27$413
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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.
Tue 2/174:57 pm
GTF
-
ORD
1 stop29h 59m
Alaska Airlines
Mon 2/237:00 am
ORD
-
GTF
1 stop10h 17m
Alaska Airlines
Deal found 1/27$415
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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.
Fri 2/204:57 pm
GTF
-
ORD
2 stops19h 14m
Alaska Airlines
Fri 2/273:54 pm
ORD
-
GTF
1 stop26h 54m
Alaska Airlines
Deal found 1/27$432
This Delta deal was found by Cheapflights users on 1/27. 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 2/175:20 am
GTF
-
MDW
2 stops11h 17m
Delta
Mon 2/2310:49 am
MDW
-
GTF
2 stops12h 40m
Delta
Deal found 1/27$464

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$250
(Delta)

One-way from

$122
(Delta)

Good round-trip deal

$593 or less
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
One-way flight from Great Falls to Chicago (CHI)
Search Deals
Price to beat on a round-trip flight 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 January 29, 2026.
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

Fri 3/20

2:30 pm-11:52 pm

1 stop8h 22m

Chicago O'Hare Intl

Tue 3/24

7:00 am-1:33 pm

1 stop7h 33m

$258

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Tue 6/2

2:29 pm-10:44 pm

1 stop7h 15m

Chicago O'Hare Intl

Tue 6/16

7:00 am-1:33 pm

1 stop7h 33m

$324

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Fri 2/20

1:15 pm-9:52 pm

1 stop7h 37m

Chicago O'Hare Intl

Fri 2/27

7:15 am-12:30 pm

1 stop6h 15m

$373

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Fri 2/27

4:57 pm-1:11 pm

2 stops19h 14m

Chicago O'Hare Intl

Mon 3/2

5:29 pm-4:17 pm

1 stop23h 48m

$412

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Wed 2/11

2:29 pm-9:15 pm

1 stop5h 46m

Chicago O'Hare Intl

Sun 2/15

7:10 am-1:43 pm

1 stop7h 33m

$413

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Tue 2/17

4:57 pm-1:11 pm

2 stops19h 14m

Chicago O'Hare Intl

Mon 2/23

7:00 am-4:17 pm

1 stop10h 17m

$441

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Thu 7/9

6:20 pm-7:26 am

2 stops12h 06m

Chicago O'Hare Intl

Mon 7/13

7:15 am-12:23 pm

1 stop6h 08m

$462

Great FallsChicago

GTF - MDW

GTFMDW

Great Falls

Tue 2/17

5:20 am-5:37 pm

2 stops11h 17m

Chicago Midway

Mon 2/23

10:49 am-10:29 pm

2 stops12h 40m

$464

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Fri 7/24

1:10 pm-9:58 pm

1 stop7h 48m

Chicago O'Hare Intl

Mon 7/27

7:15 am-12:23 pm

1 stop6h 08m

$468

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Fri 3/20

5:06 pm-11:59 pm

1 stop29h 53m

Chicago O'Hare Intl

Tue 3/24

2:09 pm-4:26 pm

2 stops27h 17m

$477

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 24 results
1
2
3

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 January.
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 Great Falls-Chicago flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Great Falls-Chicago flight deals on Cheapflights vs. FlightHub >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 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 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 January 29, 2026.
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
8,128 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Overall

7.9

Food

7.2

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
8,128 reviews
Delta
7.9
Good
8,128 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Overall

7.9

Food

7.2

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
9,215 reviews
Delta
7.9
Good
8,128 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Overall

7.9

Food

7.2

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 United Airlines, Delta, and Alaska Airlines fly from Great Falls to Chicago in about 7h 37m. The time it takes to get you to your destination can typically vary by up to 11h 37m. 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.

  • What are the cheapest flights from Great Falls to Chicago?

    On average you can expect to pay $593 for a flight from Great Falls to Chicago. The cheapest flight overall is $551 while the most popular route, (Great Falls - Chicago O'Hare Intl) is currently priced at $250.

  • 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
Missoula to O'Hare Intl flights
Bozeman to Midway flights
Billings to O'Hare Intl flights
Great Falls to O'Hare Intl flights
Billings to Midway flights
Kalispell to O'Hare Intl flights
Missoula to Midway flights
Bozeman to St. Louis flights
Great Falls to Midway flights
Helena to O'Hare Intl flights
Kalispell to St. Louis flights
Bozeman to Moline flights
Missoula to St. Louis flights
Billings to St. Louis flights
Kalispell to Midway flights
Butte to O'Hare Intl flights
Butte to Midway flights
Helena to Midway flights
Billings to Evansville flights
Missoula to Peoria flights
Cody to O'Hare Intl flights
Butte to St. Louis flights
Helena to Moline flights
Missoula to Moline flights
Billings to Moline flights
Kalispell to Peoria flights
Helena to St. Louis flights
Bozeman to Dubuque flights
Kalispell to Moline flights
Cody to Springfield flights
Missoula to Dubuque flights
Cody to Bloomington 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 January 29, 2026.
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.