$203+ Cheap flights from Great Falls (GTF) to O'Hare Intl (ORD)
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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — ORD
Nov 24 — Dec 11
Round-trip
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Great Falls to O'Hare Intl
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Cheapest flights from Great Falls to O'Hare IntlExplore the most affordable flight options available from Great Falls to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
Explore the most affordable flight options available from Great Falls to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
This United Airlines deal was found by Cheapflights users on 10/22. 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 11/132:45 pm -
1 stop5h 45m
Mon 11/163:56 pm -
1 stop6h 42m
Deal found 10/22![United Airlines logo]()
$368
This Expedia deal was found by Cheapflights users on 10/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/135:10 pm -
1 stop11h 30m
Tue 11/179:30 am -
1 stop8h 00m
Deal found 10/22![Alaska Airlines logo]()
$374
This Delta deal was found by Cheapflights users on 10/20. 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.
Sun 11/151:21 pm -
1 stop7h 26m
Sun 11/227:30 am -
1 stop6h 11m
Deal found 10/20![Delta logo]()
$398
This Gotogate deal was found by Cheapflights users on 10/24. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/145:10 pm -
1 stop11h 30m
Sun 11/226:00 am -
1 stop11h 01m
Deal found 10/24![Alaska Airlines logo]()
$408
This Delta deal was found by Cheapflights users on 10/20. 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 11/185:30 am -
2 stops10h 11m
Wed 11/252:44 pm -
2 stops8h 46m
Deal found 10/20![Delta logo]()
$409
This Gotogate deal was found by Cheapflights users on 10/22. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/274:41 pm -
1 stop12h 15m
Tue 12/16:00 am -
1 stop11h 11m
Deal found 10/22![Alaska Airlines logo]()
$411
This Gotogate deal was found by Cheapflights users on 10/22. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/135:10 pm -
1 stop11h 30m
Sun 11/157:00 am -
1 stop10h 30m
Deal found 10/22![Alaska Airlines logo]()
$413
This United Airlines deal was found by Cheapflights users on 10/21. 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 11/62:45 pm -
1 stop7h 01m
Tue 11/102:30 pm -
1 stop8h 08m
Deal found 10/21![United Airlines logo]()
$438
This Delta deal was found by Cheapflights users on 10/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:19 pm -
2 stops15h 06m
Sun 11/227:30 am -
1 stop6h 11m
Deal found 10/24![Delta logo]()
$443
This Delta deal was found by Cheapflights users on 10/21. 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.
Sun 12/206:20 pm -
2 stops13h 32m
Thu 12/317:10 am -
1 stop6h 26m
Deal found 10/21![Delta logo]()
$444
Best flights from Great Falls to O'Hare IntlDiscover carefully curated flight deals from Great Falls to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
Discover carefully curated flight deals from Great Falls to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
This Delta deal was found by Cheapflights users on 10/20. 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 11/186:19 pm -
2 stops13h 22m
Wed 11/257:30 am -
1 stop6h 11m
Deal found 10/20![Delta logo]()
$374
This United Airlines deal was found by Cheapflights users on 10/21. 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 11/62:45 pm -
1 stop7h 01m
Tue 11/102:30 pm -
1 stop8h 08m
Deal found 10/21![United Airlines logo]()
$438
This Delta deal was found by Cheapflights users on 10/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:19 pm -
2 stops15h 06m
Sun 11/227:30 am -
1 stop6h 11m
Deal found 10/24![Delta logo]()
$443
This United Airlines deal was found by Cheapflights users on 10/24. 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.
Sat 11/142:45 pm -
1 stop5h 45m
Wed 11/182:30 pm -
1 stop8h 08m
Deal found 10/24![United Airlines logo]()
$478
This Delta deal was found by Cheapflights users on 10/22. 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.
Fri 11/135:30 am -
2 stops12h 00m
Tue 11/177:30 am -
1 stop6h 11m
Deal found 10/22![Delta logo]()
$464
This United Airlines deal was found by Cheapflights users on 10/20. 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 12/32:47 pm -
1 stop5h 47m
Sun 12/67:00 am -
1 stop7h 49m
Deal found 10/20![United Airlines logo]()
$504
This Delta deal was found by Cheapflights users on 10/23. 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.
Sun 12/206:20 pm -
2 stops13h 32m
Thu 12/317:10 am -
1 stop6h 26m
Deal found 10/23![Delta logo]()
$464
Last-minute flights from Great Falls to O'Hare IntlDiscover last-minute flight deals from Great Falls to O'Hare Intl. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from Great Falls to O'Hare Intl. Data last updated October 25, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/21. 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 11/62:45 pm -
1 stop7h 01m
Tue 11/102:30 pm -
1 stop8h 08m
Deal found 10/21![United Airlines logo]()
$438
This United Airlines deal was found by Cheapflights users on 10/22. 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 11/132:45 pm -
1 stop5h 45m
Mon 11/163:56 pm -
1 stop6h 42m
Deal found 10/22![United Airlines logo]()
$368
This Expedia deal was found by Cheapflights users on 10/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/135:10 pm -
1 stop11h 30m
Tue 11/179:30 am -
1 stop8h 00m
Deal found 10/22![Alaska Airlines logo]()
$374
This Gotogate deal was found by Cheapflights users on 10/22. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/135:10 pm -
1 stop11h 30m
Sun 11/157:00 am -
1 stop10h 30m
Deal found 10/22![Alaska Airlines logo]()
$413
This Delta deal was found by Cheapflights users on 10/22. 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.
Fri 11/135:30 am -
2 stops9h 48m
Mon 11/167:30 am -
1 stop6h 11m
Deal found 10/22![Delta logo]()
$464
This Gotogate deal was found by Cheapflights users on 10/24. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/145:10 pm -
1 stop11h 30m
Sun 11/226:00 am -
1 stop11h 01m
Deal found 10/24![Alaska Airlines logo]()
$408
This Delta deal was found by Cheapflights users on 10/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:19 pm -
2 stops15h 06m
Sun 11/227:30 am -
1 stop6h 11m
Deal found 10/24![Delta logo]()
$443
This United Airlines deal was found by Cheapflights users on 10/20. 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.
Sat 11/142:45 pm -
1 stop5h 45m
Wed 11/182:30 pm -
1 stop8h 08m
Deal found 10/20![United Airlines logo]()
$478
This Delta deal was found by Cheapflights users on 10/20. 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.
Sun 11/151:21 pm -
1 stop7h 26m
Sun 11/227:30 am -
1 stop6h 11m
Deal found 10/20![Delta logo]()
$398
This Delta deal was found by Cheapflights users on 10/20. 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 11/185:30 am -
2 stops10h 11m
Wed 11/252:44 pm -
2 stops8h 46m
Deal found 10/20![Delta logo]()
$409
This Gotogate deal was found by Cheapflights users on 10/22. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/274:41 pm -
1 stop12h 15m
Tue 12/16:00 am -
1 stop11h 11m
Deal found 10/22![Alaska Airlines logo]()
$411
One-way flights from Great Falls to O'Hare IntlSearch for one-way flight options from Great Falls to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
Search for one-way flight options from Great Falls to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
This Mytrip deal was found by Cheapflights users on 10/20. 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.
Wed 11/185:10 pm -
1 stop11h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Alaska Airlines logo]()
$203
This Mytrip deal was found by Cheapflights users on 10/20. 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 11/25:10 pm -
1 stop11h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Alaska Airlines logo]()
$273
This Trip.com deal was found by Cheapflights users on 10/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/284:08 pm -
2 stops13h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 10/20. 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 11/185:30 am -
2 stops12h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Delta logo]()
$349
This United Airlines deal was found by Cheapflights users on 10/23. 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 1/286:25 am -
1 stop5h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![United Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 10/20. 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 11/35:40 am -
1 stop5h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Delta logo]()
$433
This Delta deal was found by Cheapflights users on 10/20. 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 11/25:40 am -
2 stops7h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Delta logo]()
$509
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/185:10 pm -
3 stops59h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$692
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/25:10 pm -
3 stops48h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$1,032
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/35:10 pm -
3 stops20h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$1,065
Find flight deals from Great Falls to O'Hare Intl
Discover tips and strategies to find the most affordable flight options for your journey from Great Falls (GTF) to O'Hare Intl (ORD). 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 October 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $368 (United Airlines) |
One-way from | $203 (Mytrip) |
Popular in | October |
Cheapest in | February |
Average price | $810 |
Good one-way deal | $484 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Great Falls to O'Hare Intl 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 7,457,451 searches. Data last updated October 25, 2026.
Use the filters below to find and compare flights from Great Falls to Chicago O'Hare Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Great FallsChicago
GTF Great Falls - ORD Chicago O'Hare Intl
GTFORD
Great Falls
Thu 1/28
4:08 pm-6:10 am
2 stops13h 02m
Chicago O'Hare Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$317
Great FallsChicago
GTF Great Falls - ORD Chicago O'Hare Intl
GTFORD
Great Falls
Wed 11/18
5:30 am-6:30 pm
2 stops12h 00m
Chicago O'Hare Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$349
Great FallsChicago
GTF Great Falls - ORD Chicago O'Hare Intl
GTFORD
Great Falls
Wed 11/18
6:19 pm-8:41 am
2 stops13h 22m
Chicago O'Hare Intl
Wed 11/25
7:30 am-12:41 pm
1 stop6h 11m
$374
Great FallsChicago
GTF Great Falls - ORD Chicago O'Hare Intl
GTFORD
Great Falls
Thu 1/28
6:25 am-1:11 pm
1 stop5h 46m
Chicago O'Hare Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$399
Quickest round-trip
Great FallsChicago
GTF Great Falls - ORD Chicago O'Hare Intl
GTFORD
Great Falls
Tue 11/3
5:40 am-11:55 am
1 stop5h 15m
Chicago O'Hare Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$433
Great FallsChicago
GTF Great Falls - ORD Chicago O'Hare Intl
GTFORD
Great Falls
Fri 11/6
2:45 pm-10:46 pm
1 stop7h 01m
Chicago O'Hare Intl
Tue 11/10
2:30 pm-9:38 pm
1 stop8h 08m
$438
Great FallsChicago
GTF Great Falls - ORD Chicago O'Hare Intl
GTFORD
Great Falls
Sat 11/14
6:19 pm-10:25 am
2 stops15h 06m
Chicago O'Hare Intl
Sun 11/22
7:30 am-12:41 pm
1 stop6h 11m
$443
Great FallsChicago
GTF Great Falls - ORD Chicago O'Hare Intl
GTFORD
Great Falls
Fri 11/13
5:30 am-6:30 pm
2 stops12h 00m
Chicago O'Hare Intl
Tue 11/17
7:30 am-12:41 pm
1 stop6h 11m
$464
Great FallsChicago
GTF Great Falls - ORD Chicago O'Hare Intl
GTFORD
Great Falls
Sun 12/20
6:20 pm-8:52 am
2 stops13h 32m
Chicago O'Hare Intl
Thu 12/31
7:10 am-12:36 pm
1 stop6h 26m
$464
Great FallsChicago
GTF Great Falls - ORD Chicago O'Hare Intl
GTFORD
Great Falls
Sat 11/14
2:45 pm-9:30 pm
1 stop5h 45m
Chicago O'Hare Intl
Wed 11/18
2:30 pm-9:38 pm
1 stop8h 08m
$478
Showing 1-10 of 13 resultsSorted by cheapest first
Compare providers for flights from Great Falls to O'Hare Intl
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 O'Hare Intl in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Great Falls-Chicago O'Hare Intl Airport 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 O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Great Falls-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Great Falls-Chicago O'Hare Intl Airport 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 O'Hare Intl Airport 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 O'Hare Intl
Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Great Falls with our price prediction graph.
GTF-ORD
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 O'Hare Intl
Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated October 25, 2026.
Peruse reviews from past customers who have flown with Delta and United Airlines from Great Falls to Chicago O'Hare Intl Airport 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.
Boarding
8.1
Food
7.2
Overall
7.8
Comfort
7.8
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Boarding
8.1
Food
7.2
Overall
7.8
Comfort
7.8
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Boarding
8.1
Food
7.2
Overall
7.8
Comfort
7.8
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Related info for your journey
Find useful and relevant information for your journey from Great Falls to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Chicago O'Hare Intl Airport?
Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locationsBenton Harbor
Rosemont
Naperville
Lake Geneva
Des Plaines
Glenview
Schaumburg
Oak Brook
Aurora
Oakbrook Terrace
Delavan
Libertyville
Rockford
Hoffman Estates
Beloit
Gurnee
Orland Park
South Holland
Elgin
Racine
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Other flights to O'Hare Intl
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Great Falls and O'Hare Intl flights
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Other flights from Great Falls
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Top 2 airlines flying from Great Falls to O'Hare Intl
Discover the top 2 airlines that operate flights from Great Falls to O'Hare Intl. 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 7,457,451 searches. Data last updated October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$300 | Average$468 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$323 | Average$538 | FlexibilityNo cancel fee | On-timeN/A |