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$128+ 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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — CHI
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Cheap 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 October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$274
(Hawaiian Airlines)

One-way from

$128
(Kiwi.com)

Popular in

August

Cheapest in

December

Average price

$567
Provider with most accurate pricing for Great Falls-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Great Falls-Chicago (CHI) flights.
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From Great Falls to Chicago (CHI)
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One-way flight from Great Falls to Chicago (CHI)
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Highest demand for flights based on searches. 27% potential increase in price ($222 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease ($52 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 October 29, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2110:56 amGTF - ORD
1 stop17h 36mMultiple Airlines
Mon 12/19:22 pmORD - GTF
2 stops38h 00mMultiple Airlines
Deal found 10/28$288
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/78:53 pmGTF - MDW
1 stop16h 59mMultiple Airlines
Sun 12/2110:50 pmMDW - GTF
2 stops23h 45mMultiple Airlines
Deal found 10/29$293
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/48:53 pmGTF - MDW
1 stop16h 59mMultiple Airlines
Sun 12/2110:50 pmMDW - GTF
2 stops23h 45mMultiple Airlines
Deal found 10/29$297
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/78:53 pmGTF - ORD
2 stops26h 20mMultiple Airlines
Sun 12/2110:49 pmORD - GTF
1 stop23h 46mMultiple Airlines
Deal found 10/29$305
This Delta deal was found by Cheapflights users on 10/27. 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 11/141:12 pmGTF - ORD
1 stop7h 13mDelta
Sat 11/157:20 amORD - GTF
1 stop6h 12mDelta
Deal found 10/27$322
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:12 amGTF - ORD
2 stops19h 52mMultiple Airlines
Sun 12/2110:49 pmORD - GTF
1 stop23h 46mMultiple Airlines
Deal found 10/29$333
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:44 pmGTF - ORD
2 stops35h 59mMultiple Airlines
Sun 12/2110:49 pmORD - GTF
1 stop23h 46mMultiple Airlines
Deal found 10/29$335
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/810:25 pmGTF - ORD
2 stops30h 39mMultiple Airlines
Sun 12/2110:49 pmORD - GTF
1 stop23h 46mMultiple Airlines
Deal found 10/28$339
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1011:17 amGTF - ORD
2 stops17h 47mMultiple Airlines
Sun 12/2110:49 pmORD - GTF
1 stop23h 46mMultiple Airlines
Deal found 10/28$344
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/78:53 pmGTF - ORD
1 stop22h 24mMultiple Airlines
Sat 12/209:55 pmORD - GTF
1 stop12h 43mMultiple Airlines
Deal found 10/29$350
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/48:53 pmGTF - ORD
1 stop23h 02mMultiple Airlines
Sat 12/209:55 pmORD - GTF
1 stop12h 43mMultiple Airlines
Deal found 10/29$354
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Fri 11/142:30 pmGTF - ORD
2 stops20h 35mUnited Airlines
Sat 11/152:40 pmORD - GTF
1 stop8h 59mUnited Airlines
Deal found 10/27$364

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 October 29, 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

Mon 3/9

4:00 pm-11:59 pm

1 stop6h 59m

Chicago O'Hare Intl

Fri 3/13

7:45 am-3:20 pm

1 stop8h 35m

$274

Great FallsChicago

GTF - MDW

GTFMDW

Great Falls

Sun 12/7

8:53 pm-2:52 pm

1 stop16h 59m

Chicago Midway

Sun 12/21

10:50 pm-9:35 pm

2 stops23h 45m

$293

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Fri 11/14

1:12 pm-9:25 pm

1 stop7h 13m

Chicago O'Hare Intl

Sat 11/15

7:20 am-12:32 pm

1 stop6h 12m

$322

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Fri 11/14

2:30 pm-12:05 pm

2 stops20h 35m

Chicago O'Hare Intl

Sat 11/15

2:40 pm-10:39 pm

1 stop8h 59m

$364

Great FallsChicago

GTF - MDW

GTFMDW

Great Falls

Sun 12/7

8:53 pm-2:52 pm

1 stop16h 59m

Chicago Midway

Mon 12/22

6:12 am-9:35 pm

2 stops16h 23m

$367

Great FallsChicago

GTF - MDW

GTFMDW

Great Falls

Thu 12/4

8:53 pm-2:52 pm

1 stop16h 59m

Chicago Midway

Mon 12/22

6:12 am-9:35 pm

2 stops16h 23m

$371

Great FallsChicago

GTF - MDW

GTFMDW

Great Falls

Fri 11/21

10:56 am-12:13 am

2 stops36h 17m

Chicago Midway

Mon 12/1

6:20 am-5:54 pm

1 stop12h 34m

$407

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Sun 12/7

7:35 pm-6:21 am

1 stop9h 46m

Chicago O'Hare Intl

Thu 12/25

6:00 am-6:41 pm

1 stop13h 41m

$409

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Sat 12/6

7:35 pm-6:21 am

1 stop9h 46m

Chicago O'Hare Intl

Thu 12/25

6:00 am-6:41 pm

1 stop13h 41m

$409

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Thu 12/4

8:53 pm-2:40 pm

2 stops16h 47m

Chicago O'Hare Intl

Sat 12/20

9:55 pm-9:38 am

1 stop12h 43m

$409

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 27 results
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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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice 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 October 29, 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
7,992 reviews

Overall

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,992 reviews
Delta
7.9
Good
7,992 reviews

Overall

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,999 reviews
Delta
7.9
Good
7,992 reviews

Overall

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 Hawaiian Airlines, Delta, and United Airlines fly from Great Falls to Chicago in about 6h 59m. The time it takes to get you to your destination can typically vary by up to 13h 36m. 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. This flight start at 51% lower than the current average price 3 months from now.

  • 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
Merrillville
Lansing
Hammond
Porter
Benton Harbor

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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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$277Average$591FlexibilityNo cancel feeOn-time69%

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