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$129+ 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — CHI
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$278
(Delta)

One-way from

$129
(Delta)

Popular in

June

Cheapest in

September

Average price

$518

Good one-way deal

$319 or less
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. 25% potential increase in price ($179 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a one-way flight from Great Falls to Chicago (CHI).
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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 March 28, 2025.

This Delta deal was found by Cheapflights users on 3/25. 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 4/85:56 amGTF - MDW
1 stop7h 21mDelta
Tue 4/151:16 pmMDW - GTF
1 stop8h 17mDelta
Deal found 3/25$278
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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.
Mon 4/286:07 pmGTF - ORD
1 stop10h 58mAlaska Airlines
Thu 5/17:19 pmORD - GTF
1 stop23h 08mAlaska Airlines
Deal found 3/27$307
This United Airlines deal was found by Cheapflights users on 3/27. 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 8/72:35 pmGTF - ORD
1 stop6h 59mUnited Airlines
Thu 8/148:45 amORD - GTF
1 stop13h 28mUnited Airlines
Deal found 3/27$406
This Mytrip deal was found by Cheapflights users on 3/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/285:34 pmGTF - ORD
2 stops29h 46mMultiple Airlines
Thu 5/111:45 amORD - GTF
3 stops29h 59mMultiple Airlines
Deal found 3/27$418
This Delta deal was found by Cheapflights users on 3/27. 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 5/136:00 amGTF - ORD
2 stops11h 37mDelta
Fri 5/168:40 amORD - GTF
2 stops9h 56mDelta
Deal found 3/27$439

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 28, 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 - MDW

GTFMDW

Great Falls

Tue 4/8

5:56 am-2:17 pm

1 stop7h 21m

Chicago Midway

Tue 4/15

1:16 pm-8:33 pm

1 stop8h 17m

$278

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Mon 4/28

6:07 pm-6:05 am

1 stop10h 58m

Chicago O'Hare Intl

Thu 5/1

7:19 pm-5:27 pm

1 stop23h 08m

$307

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Thu 8/7

2:35 pm-10:34 pm

1 stop6h 59m

Chicago O'Hare Intl

Thu 8/14

8:45 am-9:13 pm

1 stop13h 28m

$406

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Mon 4/28

5:34 pm-12:20 am

2 stops29h 46m

Chicago O'Hare Intl

Thu 5/1

11:45 am-4:44 pm

3 stops29h 59m

$418

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Tue 5/13

6:00 am-6:37 pm

2 stops11h 37m

Chicago O'Hare Intl

Fri 5/16

8:40 am-5:36 pm

2 stops9h 56m

$439

Great FallsChicago

GTF - MDW

GTFMDW

Great Falls

Tue 5/13

6:00 am-1:15 pm

1 stop6h 15m

$129

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Sun 6/22

5:45 am-11:53 am

1 stop5h 08m

$129

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Sun 4/27

6:07 pm-6:05 am

1 stop10h 58m

$135

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Mon 4/21

5:34 pm-5:45 am

2 stops35h 11m

$164

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Sat 7/26

6:25 am-12:30 am

1 stop17h 05m

$283

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

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
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 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

Rainfall in Chicago by month

Plan your trip to Chicago by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago when rainfall is around 1.7 in.

Temperature in Chicago by month

Plan your trip to Chicago by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 28, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta and United Airlines from Great Falls to Chicago by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,798 reviews

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,798 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,896 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,603 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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. 3 airlines have flights to Chicago from Great Falls on a regular basis.

  • What are the cheapest airlines flying from Great Falls to Chicago round-trip?

    Cheapflights users have booked flights from Great Falls to Chicago round-trip from $278. Other airlines that can offer you cheap pricing are Alaska Airlines, from $307, and United Airlines, from $406. These flights start at 47% lower than the current average price 3 months from now.

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

    On average you can expect to pay $418 for a flight from Great Falls to Chicago. The cheapest flight overall is $317 while the most popular route, (Great Falls - Chicago O'Hare Intl) is currently priced at $298.

  • 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.

  • What is the cheapest month to book a flight from Great Falls to Chicago?

    Currently, August is the cheapest month in which you can book a flight from Great Falls to Chicago (average of $245). Flying from Great Falls to Chicago in March is currently the most expensive (average of $323). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Great Falls?

Book flights to Great Falls if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Benton Harbor
Porter
Lansing
Valparaiso
Chesterton

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Alternative routes for Great Falls to Chicago

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Top 3 airlines flying from Great Falls to Chicago

Discover the top 3 airlines 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 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$205Average$588FlexibilityNo cancel feeOn-time75%
DeltaCheapest$226Average$408FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$302Average$496FlexibilityNo cancel feeOn-time69%
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