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$157+ Cheap flights from O'Hare Intl (ORD) 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — GTF
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap 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 July 29, 2025.

Round-trip from

$272
(United Airlines)

One-way from

$157
(United Airlines)

Popular in

December

Cheapest in

April

Average price

$600
From Chicago O'Hare Intl to Great Falls
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One-way flight from Chicago O'Hare Intl to Great Falls
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Highest demand for flights based on searches. 17% potential increase in price ($108 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 July 29, 2025.

This United Airlines deal was found by Cheapflights users on 7/26. 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.
Sun 8/247:15 amORD - GTF
1 stop7h 22mUnited Airlines
Sun 8/317:00 amGTF - ORD
1 stop5h 15mUnited Airlines
Deal found 7/26$272
This Alaska Airlines deal was found by Cheapflights users on 7/27. 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.
Thu 9/188:00 amORD - GTF
1 stop8h 49mAlaska Airlines
Mon 9/224:29 pmGTF - ORD
1 stop13h 34mAlaska Airlines
Deal found 7/27$306
This Mytrip deal was found by Cheapflights users on 7/27. 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.
Thu 9/188:56 pmORD - GTF
3 stops25h 35mMultiple Airlines
Mon 9/224:55 pmGTF - ORD
1 stop10h 54mMultiple Airlines
Deal found 7/27$317
This Delta deal was found by Cheapflights users on 7/29. 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.
Sat 8/3011:15 amORD - GTF
2 stops12h 30mDelta
Sat 9/65:45 amGTF - ORD
2 stops10h 19mDelta
Deal found 7/29$322

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 July 29, 2025.
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

Sun 8/24

7:15 am-1:37 pm

1 stop7h 22m

Great Falls

Sun 8/31

7:00 am-1:15 pm

1 stop5h 15m

$272

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Thu 9/18

8:00 am-3:49 pm

1 stop8h 49m

Great Falls

Mon 9/22

4:29 pm-7:03 am

1 stop13h 34m

$306

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Thu 9/18

8:56 pm-9:31 pm

3 stops25h 35m

Great Falls

Mon 9/22

4:55 pm-4:49 am

1 stop10h 54m

$317

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Sat 8/30

11:15 am-10:45 pm

2 stops12h 30m

Great Falls

Sat 9/6

5:45 am-5:04 pm

2 stops10h 19m

$322

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Wed 8/27

2:53 pm-9:28 pm

1 stop7h 35m

$157

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Wed 8/27

9:47 am-8:34 pm

2 stops11h 47m

$284

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Fri 8/15

8:42 pm-4:13 pm

1 stop20h 31m

$324

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to Great Falls

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

Find hourly flight availability from O'Hare Intl to Great Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2025.

When flying from Chicago O'Hare Intl Airport to Great Falls, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 42% versus a flight in the morning.

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 July 29, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta, and 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,977 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,899 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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 2 airlines. Great Falls is conveniently located just 3.5 mi from Great Falls’s city center.

  • What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Great Falls round-trip?

    Currently priced at $272, 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. Search Cheapflights for deals from Alaska Airlines and Delta - these airlines can fly you to your destination from $306 and $322, respectively. Users have found that United Airlines is 45% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Great Falls one-way?

    One-way options have recently been found by users for as low as $157 on United Airlines. Other airlines that offer cheap prices include Delta from $284 and Alaska Airlines from $324 one-way.

  • 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.

  • What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Great Falls?

    Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Great Falls (average of $367). Flying from Chicago O'Hare Intl Airport to Great Falls in July is currently the most expensive (average of $574). 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.

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Top 2 airlines flying from O'Hare Intl to Great Falls

Discover the top 2 airlines 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$225Average$450FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$248Average$506FlexibilityNo cancel feeOn-time69%

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