How long is the flight from Chicago to Great Falls?

Departing from Chicago to Great Falls will take you 10h 17m. 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 14% below the average price you’ll pay for this route.

In terms of precipitation, rainfall in Great Falls ranges from 0.5 - 2.5 inches per month. June is typically the wettest month, when rainfall can reach 2.5 in. January is typically the driest time to visit Great Falls when rainfall is around 0.5 in.

If weather is an important factor for your trip to Great Falls, 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 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

What is the cheapest time of day to fly from CHI to GTF?

When flying from Chicago to Great Falls, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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.

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.

$265+ Flights from Chicago to Great Falls

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Cheap 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 December 28, 2025.

Wed 12/312:31 pmORD - GTF

1 stop9h 15mUnited Airlines

Mon 1/52:35 pmGTF - ORD

1 stop7h 25mUnited Airlines

Deal found 12/26

$569

Wed 12/317:19 pmORD - GTF

2 stops24h 22mAlaska Airlines

Mon 1/57:21 pmGTF - ORD

1 stop10h 08mAlaska Airlines

Deal found 12/26

$633

Best flights from Chicago to Great Falls
Discover carefully curated flight deals from Chicago to Great Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.

Thu 2/267:00 amORD - GTF

1 stop10h 17mAlaska Airlines

Sun 3/14:57 pmGTF - ORD

1 stop18h 04mAlaska Airlines

Deal found 12/27

$274

Fri 1/235:30 amORD - GTF

2 stops13h 00mDelta

Fri 1/301:12 pmGTF - ORD

1 stop7h 40mDelta

Deal found 12/26

$308

Sun 1/117:00 amORD - GTF

1 stop7h 48mUnited Airlines

Thu 1/152:29 pmGTF - ORD

1 stop8h 30mUnited Airlines

Deal found 12/27

$389

Wed 2/48:00 amORD - GTF

1 stop10h 19mAlaska Airlines

Sat 2/75:59 pmGTF - ORD

1 stop19h 39mAlaska Airlines

Deal found 12/26

$303

Fri 1/238:00 amORD - GTF

1 stop10h 19mAlaska Airlines

Fri 1/305:59 pmGTF - ORD

1 stop19h 39mAlaska Airlines

Deal found 12/26

$383

Wed 12/313:42 pmORD - GTF

1 stop8h 04mUnited Airlines

Mon 1/52:35 pmGTF - ORD

1 stop5h 44mUnited Airlines

Deal found 12/25

$608

Sun 1/116:06 pmORD - GTF

1 stop24h 13mAlaska Airlines

Thu 1/155:59 pmGTF - ORD

2 stops18h 11mAlaska Airlines

Deal found 12/27

$591

Wed 12/317:19 pmORD - GTF

2 stops24h 22mAlaska Airlines

Mon 1/57:21 pmGTF - ORD

1 stop10h 08mAlaska Airlines

Deal found 12/26

$633

Fri 1/236:00 amMDW - GTF

2 stops12h 30mDelta

Fri 1/305:30 amGTF - MDW

2 stops12h 06mDelta

Deal found 12/26

$914

Sun 1/111:28 pmMDW - GTF

2 stops10h 02mDelta

Thu 1/155:30 amGTF - MDW

2 stops12h 02mDelta

Deal found 12/27

$1,129

Last-minute flights from Chicago to Great Falls
Discover last-minute flight deals from Chicago to Great Falls. Data last updated December 28, 2025 and is based on user searches.

Wed 12/312:31 pmORD - GTF

1 stop9h 15mUnited Airlines

Mon 1/52:35 pmGTF - ORD

1 stop7h 25mUnited Airlines

Deal found 12/26

$569

Wed 12/317:19 pmORD - GTF

2 stops24h 22mAlaska Airlines

Mon 1/57:21 pmGTF - ORD

1 stop10h 08mAlaska Airlines

Deal found 12/26

$633

Sun 1/117:00 amORD - GTF

1 stop7h 48mUnited Airlines

Thu 1/152:29 pmGTF - ORD

1 stop8h 30mUnited Airlines

Deal found 12/27

$389

Sun 1/116:06 pmORD - GTF

1 stop24h 13mAlaska Airlines

Thu 1/155:59 pmGTF - ORD

2 stops18h 11mAlaska Airlines

Deal found 12/27

$591

Sun 1/111:28 pmMDW - GTF

2 stops10h 02mDelta

Thu 1/155:30 amGTF - MDW

2 stops12h 02mDelta

Deal found 12/27

$1,129

Mon 1/121:55 pmORD - GTF

2 stops9h 35mDelta

Fri 1/161:15 pmGTF - ORD

1 stop7h 37mDelta

Deal found 12/27

$332

Mon 1/126:06 pmORD - GTF

1 stop24h 13mAlaska Airlines

Fri 1/165:59 pmGTF - ORD

1 stop19h 39mAlaska Airlines

Deal found 12/27

$357

Mon 1/127:58 pmORD - GTF

2 stops18h 50mUnited Airlines

Fri 1/166:10 amGTF - ORD

2 stops24h 39mUnited Airlines

Deal found 12/27

$638

Fri 1/235:30 amORD - GTF

2 stops13h 00mDelta

Fri 1/301:12 pmGTF - ORD

1 stop7h 40mDelta

Deal found 12/26

$308

Fri 1/238:00 amORD - GTF

1 stop10h 19mAlaska Airlines

Fri 1/305:59 pmGTF - ORD

1 stop19h 39mAlaska Airlines

Deal found 12/26

$383

Fri 1/236:00 amMDW - GTF

2 stops12h 30mDelta

Fri 1/305:30 amGTF - MDW

2 stops12h 06mDelta

Deal found 12/26

$914

One-way flights from Chicago to Great Falls
Search for one-way flight options from Chicago to Great Falls. Find affordable one-way fares based on user searches. Data last updated December 28, 2025.

Thu 1/17:10 amORD - GTF

1 stop7h 29mUnited Airlines

Deal found 12/27

$265

Thu 1/110:01 amORD - GTF

2 stops33h 40mAlaska Airlines

Deal found 12/27

$326

Thu 1/11:34 pmORD - GTF

3 stops33h 06mMultiple Airlines

Deal found 12/27

$675

Find flight deals from Chicago to Great Falls

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$274 (Alaska Airlines)
One-way from	$265 (United Airlines)
Popular in	August
Cheapest in	December
Average price	$248

Provider with most accurate pricing for Chicago (CHI)-Great Falls flight deals.

Search Deals

Provider most trusted by Cheapflights users for Chicago (CHI)-Great Falls flights.

Search Deals

From Chicago (CHI) to Great Falls

Search Deals

One-way flight from Chicago (CHI) to Great Falls

Search Deals

Highest demand for flights based on searches. 7% potential increase in price ($30 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Thu 2/26

7:00 am-4:17 pm

1 stop10h 17m

Great Falls

Sun 3/1

4:57 pm-12:01 pm

1 stop18h 04m

$274

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Wed 2/4

8:00 am-5:19 pm

1 stop10h 19m

Great Falls

Sat 2/7

5:59 pm-2:38 pm

1 stop19h 39m

$303

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Fri 1/23

5:30 am-5:30 pm

2 stops13h 00m

Great Falls

Fri 1/30

1:12 pm-9:52 pm

1 stop7h 40m

$308

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Fri 1/23

8:00 am-5:19 pm

1 stop10h 19m

Great Falls

Fri 1/30

5:59 pm-2:38 pm

1 stop19h 39m

$383

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Sun 1/11

7:00 am-1:48 pm

1 stop7h 48m

Great Falls

Thu 1/15

2:29 pm-11:59 pm

1 stop8h 30m

$389

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Sun 1/11

6:06 pm-5:19 pm

1 stop24h 13m

Great Falls

Thu 1/15

5:59 pm-1:10 pm

2 stops18h 11m

$591

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Wed 12/31

3:42 pm-10:46 pm

1 stop8h 04m

Great Falls

Mon 1/5

2:35 pm-9:19 pm

1 stop5h 44m

$608

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Wed 12/31

7:19 pm-6:41 pm

2 stops24h 22m

Great Falls

Mon 1/5

7:21 pm-6:29 am

1 stop10h 08m

$633

ChicagoGreat Falls

MDW - GTF

MDWGTF

Chicago Midway

Fri 1/23

6:00 am-5:30 pm

2 stops12h 30m

Great Falls

Fri 1/30

5:30 am-6:36 pm

2 stops12h 06m

$914

ChicagoGreat Falls

MDW - GTF

MDWGTF

Chicago Midway

Sun 1/11

1:28 pm-10:30 pm

2 stops10h 02m

Great Falls

Thu 1/15

5:30 am-6:32 pm

2 stops12h 02m

$1,129

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/27

Showing 1-10 of 13 results

Compare providers for flights from Chicago to Great Falls

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 December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust 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

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

8,019 reviews

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

8,019 reviews

Delta

7.9

Good

8,019 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

United Airlines

7.4

Good

9,113 reviews

Delta

7.9

Good

8,019 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Related info for your journey

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 10h 17m. 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 14% 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

Shelby

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Chicago to Great Falls

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$328	Average$507	FlexibilityNo cancel fee	On-time69%

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$265+ 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 1/1. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Chicago to Great Falls with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Chicago to Great Falls

Cheapest flights from Chicago to Great FallsExplore 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 December 28, 2025.

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 December 28, 2025.

Find flight deals from Chicago to Great Falls

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

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 December.

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.

Cheapflights Insights

Everything you need to know about your flight from Chicago to Great Falls

Reviews of airlines servicing Great Falls

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.

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?

How long is the flight from Chicago to Great Falls?

What is the cheapest airline to fly from Chicago to Great Falls round-trip?

Can I find deals for flights from Chicago to Great Falls that include hotel bookings?

How can I find direct flights from Chicago to Great Falls?

Can I find deals for business class flights from Chicago to Great Falls?

Traveling to a place near Great Falls?

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 Chicago to Great Falls

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Chicago to Great Falls

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Travel Smart

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 December 28, 2025.