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$226+ Cheap flights from O'Hare Intl (ORD) to Great Falls (GTF)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — GTF
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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Cheap flight deals from O'Hare Intl to Great Falls

Cheapest flights from O'Hare Intl to Great Falls
Explore the most affordable flight options available from O'Hare Intl to Great Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 26, 2026.

This Delta deal was found by Cheapflights users on 1/25. 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.
Wed 4/17:20 am
ORD
-
GTF
1 stop6h 04m
Delta
Wed 4/85:30 am
GTF
-
ORD
1 stop5h 48m
Delta
Deal found 1/25$226
This Alaska Airlines deal was found by Cheapflights users on 1/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/77:00 am
ORD
-
GTF
1 stop11h 48m
Alaska Airlines
Sun 3/154:57 pm
GTF
-
ORD
1 stop18h 04m
Alaska Airlines
Deal found 1/25$235
This Delta deal was found by Cheapflights users on 1/25. 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.
Mon 2/237:15 am
ORD
-
GTF
1 stop6h 15m
Delta
Mon 3/26:20 pm
GTF
-
ORD
2 stops13h 30m
Delta
Deal found 1/25$322
This Alaska Airlines deal was found by Cheapflights users on 1/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/235:29 pm
ORD
-
GTF
1 stop23h 48m
Alaska Airlines
Mon 3/24:57 pm
GTF
-
ORD
1 stop20h 14m
Alaska Airlines
Deal found 1/25$323
This United Airlines deal was found by Cheapflights users on 1/26. 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 6/192:33 pm
ORD
-
GTF
1 stop7h 46m
United Airlines
Tue 6/232:29 pm
GTF
-
ORD
1 stop7h 15m
United Airlines
Deal found 1/26$335
This United Airlines deal was found by Cheapflights users on 1/24. 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.
Wed 6/107:00 am
ORD
-
GTF
1 stop7h 33m
United Airlines
Mon 6/152:29 pm
GTF
-
ORD
1 stop7h 15m
United Airlines
Deal found 1/24$336
This Delta deal was found by Cheapflights users on 1/25. 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.
Thu 5/77:15 am
ORD
-
GTF
1 stop6h 08m
Delta
Tue 5/121:10 pm
GTF
-
ORD
1 stop7h 48m
Delta
Deal found 1/25$358
This Delta deal was found by Cheapflights users on 1/26. 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 8/197:15 am
ORD
-
GTF
1 stop6h 08m
Delta
Mon 8/241:10 pm
GTF
-
ORD
1 stop7h 48m
Delta
Deal found 1/26$373

Find flight deals from O'Hare Intl to Great Falls

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) 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 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$226
(Delta)

Popular in

February

Cheapest in

April

Average price

$413
Provider with most accurate pricing for Chicago O'Hare Intl-Great Falls flight deals.
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Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Great Falls flights.
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From Chicago O'Hare Intl to Great Falls
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($86 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl 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 26, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Great Falls that are best for you.

Fly from

O'Hare Intl

Fly to

Great Falls

Route

Depart

Return

Price

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Wed 4/1

7:20 am-12:24 pm

1 stop6h 04m

Great Falls

Wed 4/8

5:30 am-12:18 pm

1 stop5h 48m

$226

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Sat 3/7

7:00 am-5:48 pm

1 stop11h 48m

Great Falls

Sun 3/15

4:57 pm-12:01 pm

1 stop18h 04m

$235

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Mon 2/23

7:15 am-12:30 pm

1 stop6h 15m

Great Falls

Mon 3/2

6:20 pm-8:50 am

2 stops13h 30m

$322

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Mon 2/23

5:29 pm-4:17 pm

1 stop23h 48m

Great Falls

Mon 3/2

4:57 pm-2:11 pm

1 stop20h 14m

$323

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Sat 3/7

5:15 pm-10:29 pm

1 stop6h 14m

Great Falls

Sun 3/15

6:22 pm-10:00 am

2 stops14h 38m

$439

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Sat 1/31

8:00 am-5:19 pm

1 stop10h 19m

Great Falls

Sun 2/1

5:59 pm-2:38 pm

1 stop19h 39m

$479

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Sun 2/15

7:00 am-4:17 pm

1 stop10h 17m

$232

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Sun 2/15

12:56 pm-9:52 am

2 stops21h 56m

$301

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Compare providers for flights from O'Hare Intl 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 O'Hare Intl to Great Falls in January.
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 Chicago O'Hare Intl Airport-Great Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-Great Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Great Falls flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Great Falls 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 Chicago O'Hare Intl Airport-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 O'Hare Intl to Great Falls

Have a flexible travel schedule? Discover the best time to fly to Great Falls from O'Hare Intl 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.

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 26, 2026.
Read reviews from past customers who have flown United Airlines from Chicago O'Hare Intl Airport to Great Falls. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,199 reviews

Crew

8.1

Boarding

7.7

Overall

7.4

Comfort

7.3

Food

6.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,199 reviews
United Airlines
7.4
Good
9,199 reviews

Crew

8.1

Boarding

7.7

Overall

7.4

Comfort

7.3

Food

6.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl 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 O'Hare Intl?

    Most people fly into Great Falls (GTF) if they book a flight to Great Falls from Chicago O'Hare Intl. On average, Great Falls has 0 inbound flights from Chicago O'Hare Intl per day from 1 airline. Great Falls is conveniently located just 3.5 mi from Great Falls’s city center.

  • How long is the flight from Chicago O'Hare Intl Airport to Great Falls?

    For as low as $226, Delta can have you in Great Falls from Chicago O'Hare Intl Airport in 6h 04m. Chicago O'Hare Intl Airport and Great Falls are separated by a distance of 1207 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Chicago O'Hare Intl Airport to Great Falls round-trip?

    Currently priced at $328, United Airlines will fly you from Chicago O'Hare Intl Airport to Great Falls and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Users have found that United Airlines is 30% cheaper than the other options available to this destination.

  • Can I find deals for flights from O'Hare Intl to Great Falls that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Great Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Great Falls?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Great Falls.

  • Can I find deals for business class flights from O'Hare Intl to Great Falls?

    Yes. Cheapflights offers flight deals from O'Hare Intl 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.

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Top airline flying from O'Hare Intl to Great Falls

Discover the top airline that operate flights from O'Hare Intl 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 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$328Average$507FlexibilityNo cancel feeOn-time69%

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