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$168+ 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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — CHI
Apr 17 — Apr 241
Fri 4/17
Fri 4/24
1 adult, Economy
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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 March 18, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1311:42 am
GTF
-
ORD
1 stop17h 38m
Multiple Airlines
Thu 4/1610:07 pm
ORD
-
GTF
1 stop13h 45m
Multiple Airlines
Deal found 3/17$282
This United Airlines deal was found by Cheapflights users on 3/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/712:30 pm
GTF
-
ORD
Nonstop3h 18m
United Airlines
Thu 7/169:00 am
ORD
-
GTF
Nonstop3h 46m
United Airlines
Deal found 3/16$370
This United Airlines deal was found by Cheapflights users on 3/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/312:30 pm
GTF
-
ORD
1 stop7h 11m
United Airlines
Sat 4/47:00 am
ORD
-
GTF
1 stop7h 31m
United Airlines
Deal found 3/16$378
This United Airlines deal was found by Cheapflights users on 3/13. 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.
Sat 4/252:30 pm
GTF
-
ORD
1 stop5h 47m
United Airlines
Wed 4/292:35 pm
ORD
-
GTF
1 stop7h 42m
United Airlines
Deal found 3/13$398
This United Airlines deal was found by Cheapflights users on 3/17. 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.
Thu 4/232:30 pm
GTF
-
ORD
1 stop7h 58m
United Airlines
Sun 4/267:00 am
ORD
-
GTF
1 stop7h 31m
United Airlines
Deal found 3/17$403
This Delta deal was found by Cheapflights users on 3/16. 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.
Wed 4/296:20 pm
GTF
-
ORD
2 stops13h 17m
Delta
Sun 5/37:35 am
ORD
-
GTF
1 stop5h 52m
Delta
Deal found 3/16$414
This Alaska Airlines deal was found by Cheapflights users on 3/13. 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 4/145:06 pm
GTF
-
ORD
1 stop29h 53m
Alaska Airlines
Fri 4/176:00 am
ORD
-
GTF
1 stop11h 26m
Alaska Airlines
Deal found 3/13$431
This Alaska Airlines deal was found by Cheapflights users on 3/15. 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 4/256:15 pm
GTF
-
ORD
1 stop11h 25m
Alaska Airlines
Wed 4/298:48 pm
ORD
-
GTF
1 stop21h 47m
Alaska Airlines
Deal found 3/15$432
This United Airlines deal was found by Cheapflights users on 3/13. 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.
Sat 3/286:15 am
GTF
-
ORD
1 stop6h 00m
United Airlines
Wed 4/12:05 pm
ORD
-
GTF
1 stop8h 12m
United Airlines
Deal found 3/13$447
This Delta deal was found by Cheapflights users on 3/16. 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.
Wed 4/295:30 am
GTF
-
MDW
2 stops7h 02m
Delta
Sun 5/31:24 pm
MDW
-
GTF
2 stops10h 05m
Delta
Deal found 3/16$649
This Delta deal was found by Cheapflights users on 3/16. 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.
Tue 3/315:30 am
GTF
-
MDW
2 stops11h 24m
Delta
Sat 4/46:00 am
MDW
-
GTF
2 stops12h 42m
Delta
Deal found 3/16$654
This Delta deal was found by Cheapflights users on 3/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/15:30 am
GTF
-
MDW
2 stops10h 52m
Delta
Sun 4/56:00 am
MDW
-
GTF
2 stops12h 42m
Delta
Deal found 3/17$834

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 March 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$282
(Kiwi.com)

One-way from

$168
(Kiwi.com)
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

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 March 18, 2026.
Use the filters below to find and compare flights from Great Falls to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Sat 4/25

2:30 pm-9:17 pm

1 stop5h 47m

Chicago O'Hare Intl

Wed 4/29

2:35 pm-9:17 pm

1 stop7h 42m

$398
Quickest round-trip

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Wed 4/29

1:09 pm-9:18 pm

1 stop7h 09m

Chicago O'Hare Intl

Sun 5/3

7:35 am-12:27 pm

1 stop5h 52m

$428

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Tue 4/14

5:06 pm-11:59 pm

1 stop29h 53m

Chicago O'Hare Intl

Fri 4/17

6:00 am-4:26 pm

1 stop11h 26m

$431

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Sat 4/25

6:15 pm-6:40 am

1 stop11h 25m

Chicago O'Hare Intl

Wed 4/29

8:48 pm-5:35 pm

1 stop21h 47m

$432

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Sat 3/28

6:15 am-1:15 pm

1 stop6h 00m

Chicago O'Hare Intl

Wed 4/1

2:05 pm-9:17 pm

1 stop8h 12m

$447

Great FallsChicago

GTF - MDW

GTFMDW

Great Falls

Wed 4/29

5:30 am-1:32 pm

2 stops7h 02m

Chicago Midway

Sun 5/3

1:24 pm-10:29 pm

2 stops10h 05m

$649

Great FallsChicago

GTF - MDW

GTFMDW

Great Falls

Tue 3/31

5:30 am-5:54 pm

2 stops11h 24m

Chicago Midway

Sat 4/4

6:00 am-5:42 pm

2 stops12h 42m

$654

Great FallsChicago

GTF - MDW

GTFMDW

Great Falls

Wed 4/1

5:30 am-5:22 pm

2 stops10h 52m

Chicago Midway

Sun 4/5

6:00 am-5:42 pm

2 stops12h 42m

$834

Great FallsChicago

GTF - MDW

GTFMDW

Great Falls

Thu 6/18

6:20 pm-8:42 am

2 stops13h 22m

Chicago Midway

Sun 6/21

2:00 pm-10:44 pm

2 stops9h 44m

$919

Great FallsChicago

GTF - MDW

GTFMDW

Great Falls

Sat 3/28

5:30 am-3:25 pm

2 stops8h 55m

Chicago Midway

Wed 4/1

9:35 am-5:42 pm

2 stops9h 07m

$1,034

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/13

Showing 1-10 of 24 resultsSorted by cheapest first
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 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 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 March 18, 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
8,286 reviews

Boarding

8.1

Food

7.2

Entertainment

7.8

Crew

8.5

Comfort

7.9

Overall

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
8,286 reviews
Delta
7.9
Good
8,286 reviews

Boarding

8.1

Food

7.2

Entertainment

7.8

Crew

8.5

Comfort

7.9

Overall

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
9,435 reviews
Delta
7.9
Good
8,286 reviews

Boarding

8.1

Food

7.2

Entertainment

7.8

Crew

8.5

Comfort

7.9

Overall

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 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 5h 47m. The time it takes to get you to your destination can typically vary by up to 24h 06m. 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

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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 March 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$277Average$591FlexibilityNo cancel feeOn-time69%

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