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$129+ 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 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — GTF
Feb 12 — Feb 191
Thu 2/12
Thu 2/19
1 adult, Economy
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Cheap 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 January 13, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$240
(Alaska Airlines)

One-way from

$129
(Alaska Airlines)

Popular in

January

Cheapest in

December

Average price

$1,809
Provider with most accurate pricing for Chicago (CHI)-Great Falls flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Great Falls flights.
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From Chicago (CHI) to Great Falls
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One-way flight from Chicago (CHI) to Great Falls
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Highest demand for flights based on searches. 36% potential increase in price ($286 potential increase over avg. RT price).
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Cheapest flight prices on average. 30% potential price decrease ($119 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find 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 January 13, 2026.

This Alaska Airlines deal was found by Cheapflights users on 1/12. 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 2/245:29 pm
ORD
-
GTF
1 stop25h 19m
Alaska Airlines
Wed 3/46:28 pm
GTF
-
ORD
1 stop16h 33m
Alaska Airlines
Deal found 1/12$240
This Alaska Airlines deal was found by Cheapflights users on 1/12. 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.
Thu 2/127:00 am
ORD
-
GTF
1 stop10h 17m
Alaska Airlines
Fri 2/204:57 pm
GTF
-
ORD
1 stop20h 14m
Alaska Airlines
Deal found 1/12$244
This Delta deal was found by Cheapflights users on 1/11. 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 5/77:15 am
ORD
-
GTF
1 stop6h 08m
Delta
Tue 5/121:10 pm
GTF
-
ORD
1 stop7h 48m
Delta
Deal found 1/11$259
This Delta deal was found by Cheapflights users on 1/12. 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 2/247:15 am
ORD
-
GTF
1 stop6h 15m
Delta
Thu 3/51:15 pm
GTF
-
ORD
1 stop7h 37m
Delta
Deal found 1/12$264
This Delta deal was found by Cheapflights users on 1/12. 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 2/242:05 pm
ORD
-
GTF
2 stops9h 24m
Delta
Wed 3/45:20 am
GTF
-
ORD
1 stop5h 59m
Delta
Deal found 1/12$270
This Hawaiian Airlines deal was found by Cheapflights users on 1/12. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/127:00 am
ORD
-
GTF
1 stop10h 17m
Hawaiian Airlines
Fri 2/204:57 pm
GTF
-
ORD
1 stop20h 14m
Hawaiian Airlines
Deal found 1/12$288
This Alaska Airlines deal was found by Cheapflights users on 1/12. 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.
Thu 2/58:00 am
ORD
-
GTF
1 stop10h 19m
Alaska Airlines
Tue 2/105:59 pm
GTF
-
ORD
1 stop28h 51m
Alaska Airlines
Deal found 1/12$298
This Alaska Airlines deal was found by Cheapflights users on 1/12. 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.
Thu 2/58:00 am
ORD
-
GTF
1 stop10h 19m
Alaska Airlines
Mon 2/95:59 pm
GTF
-
ORD
1 stop22h 11m
Alaska Airlines
Deal found 1/12$308
This Alaska Airlines deal was found by Cheapflights users on 1/12. 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 2/68:00 am
ORD
-
GTF
1 stop10h 19m
Alaska Airlines
Mon 2/95:59 pm
GTF
-
ORD
2 stops18h 11m
Alaska Airlines
Deal found 1/12$314
This Delta deal was found by Cheapflights users on 1/12. 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 2/257:40 am
ORD
-
GTF
2 stops10h 53m
Delta
Thu 3/51:15 pm
GTF
-
ORD
1 stop7h 37m
Delta
Deal found 1/12$324
This Delta deal was found by Cheapflights users on 1/12. 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 2/257:15 am
ORD
-
GTF
1 stop6h 15m
Delta
Wed 3/45:20 am
GTF
-
ORD
1 stop5h 59m
Delta
Deal found 1/12$336
This Alaska Airlines deal was found by Cheapflights users on 1/12. 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.
Thu 2/58:00 am
ORD
-
GTF
1 stop10h 19m
Alaska Airlines
Sun 2/85:59 pm
GTF
-
ORD
1 stop28h 51m
Alaska Airlines
Deal found 1/12$348

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 January 13, 2026.
Use the filters below to find and compare flights from Chicago to Great Falls that are best for you.

Fly from

Chicago

Fly to

Great Falls

Route

Depart

Return

Price

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Thu 2/12

7:00 am-4:17 pm

1 stop10h 17m

Great Falls

Fri 2/20

4:57 pm-2:11 pm

1 stop20h 14m

$244

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Thu 5/7

7:15 am-12:23 pm

1 stop6h 08m

Great Falls

Tue 5/12

1:10 pm-9:58 pm

1 stop7h 48m

$259

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Tue 2/24

7:15 am-12:30 pm

1 stop6h 15m

Great Falls

Tue 3/3

5:20 am-12:19 pm

1 stop5h 59m

$264

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Tue 2/24

7:15 am-12:30 pm

1 stop6h 15m

Great Falls

Thu 3/5

1:15 pm-9:52 pm

1 stop7h 37m

$264

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Tue 2/24

2:05 pm-10:29 pm

2 stops9h 24m

Great Falls

Wed 3/4

5:20 am-12:19 pm

1 stop5h 59m

$270

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Thu 2/12

7:00 am-4:17 pm

1 stop10h 17m

Great Falls

Fri 2/20

4:57 pm-2:11 pm

1 stop20h 14m

$288

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Thu 2/5

8:00 am-5:19 pm

1 stop10h 19m

Great Falls

Tue 2/10

5:59 pm-11:50 pm

1 stop28h 51m

$298

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Fri 2/6

8:00 am-5:19 pm

1 stop10h 19m

Great Falls

Tue 2/10

5:59 pm-11:50 pm

1 stop28h 51m

$298

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Thu 2/5

8:00 am-5:19 pm

1 stop10h 19m

Great Falls

Mon 2/9

5:59 pm-5:10 pm

1 stop22h 11m

$308

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Fri 2/6

8:00 am-5:19 pm

1 stop10h 19m

Great Falls

Mon 2/9

5:59 pm-1:10 pm

2 stops18h 11m

$314

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/12

Showing 1-10 of 26 results
1
2
3

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 January.
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 Chicago-Great Falls flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Chicago-Great Falls flight deals on Cheapflights vs. eDreams >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 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 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 January 13, 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
8,038 reviews

Comfort

7.9

Crew

8.5

Food

7.2

Boarding

8.1

Entertainment

7.8

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
8,038 reviews
Delta
7.9
Good
8,038 reviews

Comfort

7.9

Crew

8.5

Food

7.2

Boarding

8.1

Entertainment

7.8

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
9,149 reviews
Delta
7.9
Good
8,038 reviews

Comfort

7.9

Crew

8.5

Food

7.2

Boarding

8.1

Entertainment

7.8

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 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 6h 08m. 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 35% 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

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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 January 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$328Average$507FlexibilityNo cancel feeOn-time69%

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