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$127+ 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — GTF
Jul 23 — Jul 301
Wed 7/23
Wed 7/30
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 18, 2025.

Round-trip from

$287
(Alaska Airlines)

One-way from

$127
(Alaska 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 ($35 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 18, 2025.

This Alaska Airlines deal was found by Cheapflights users on 7/17. 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.
Wed 9/310:00 amORD - GTF
1 stop6h 49mAlaska Airlines
Fri 9/124:29 pmGTF - ORD
1 stop13h 34mAlaska Airlines
Deal found 7/17$287
This Delta deal was found by Cheapflights users on 7/17. 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 9/37:15 amORD - GTF
2 stops11h 11mDelta
Fri 9/121:05 pmGTF - ORD
1 stop7h 52mDelta
Deal found 7/17$327
This United Airlines deal was found by Cheapflights users on 7/16. 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 8/108:45 amORD - GTF
1 stop5h 51mUnited Airlines
Wed 8/132:35 pmGTF - ORD
1 stop7h 04mUnited Airlines
Deal found 7/16$344

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 18, 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

Wed 9/3

10:00 am-3:49 pm

1 stop6h 49m

Great Falls

Fri 9/12

4:29 pm-7:03 am

1 stop13h 34m

$287

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Wed 9/3

7:15 am-5:26 pm

2 stops11h 11m

Great Falls

Fri 9/12

1:05 pm-9:57 pm

1 stop7h 52m

$327

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Sun 8/10

8:45 am-1:36 pm

1 stop5h 51m

Great Falls

Wed 8/13

2:35 pm-10:39 pm

1 stop7h 04m

$344

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Tue 8/19

8:00 am-4:13 pm

1 stop9h 13m

$127

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Tue 8/19

8:25 am-5:26 pm

2 stops10h 01m

$145

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Sun 8/31

8:49 am-1:37 pm

1 stop5h 48m

$167

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Fri 8/15

8:00 am-4:13 pm

1 stop9h 13m

$234

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/17

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 18, 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 43% 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 18, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta, and Hawaiian 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

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Delta
8.0
Very good
7,959 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Hawaiian Airlines
7.8
Good
2,581 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
United Airlines
7.4
Good
8,864 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

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 $287, Alaska Airlines will fly you from Chicago O'Hare Intl Airport to Great Falls and back. In addition to Alaska Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from $327 and $344, respectively. Users have found that Alaska Airlines is 42% 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 $127 on Alaska Airlines. Other airlines that offer cheap prices include Delta from $145 and United Airlines from $167 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 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$225Average$323FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$248Average$459FlexibilityNo cancel feeOn-time69%

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