$242+ Cheap flights from Great Falls (GTF) to O'Hare Intl (ORD)
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 8/14. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — ORD
Aug 23 — Aug 301
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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Best
Last-minute
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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 July 24, 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 July 24, 2026.
This United Airlines deal was found by Cheapflights users on 7/21. 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 9/42:25 pm
GTF
- ORD
1 stop6h 04m
United Airlines
Mon 9/75:55 am
ORD
- GTF
1 stop8h 34m
United Airlines
Deal found 7/21![United Airlines logo]()
$318
This Delta deal was found by Cheapflights users on 7/19. 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 10/301:13 pm
GTF
- ORD
1 stop7h 47m
Delta
Wed 11/48:05 am
ORD
- GTF
2 stops10h 37m
Delta
Deal found 7/19![Delta logo]()
$324
This Delta deal was found by Cheapflights users on 7/21. 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.
Wed 8/195:40 am
GTF
- ORD
1 stop5h 19m
Delta
Wed 8/267:48 am
ORD
- GTF
1 stop5h 40m
Delta
Deal found 7/21![Delta logo]()
$328
This United Airlines deal was found by Cheapflights users on 7/22. 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.
Thu 8/202:25 pm
GTF
- ORD
1 stop6h 35m
United Airlines
Sun 8/235:55 am
ORD
- GTF
1 stop8h 34m
United Airlines
Deal found 7/22![United Airlines logo]()
$350
This Delta deal was found by Cheapflights users on 7/21. 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.
Sat 8/225:40 am
GTF
- ORD
2 stops12h 19m
Delta
Sat 8/296:00 am
ORD
- GTF
2 stops7h 28m
Delta
Deal found 7/21![Delta logo]()
$369
This Delta deal was found by Cheapflights users on 7/20. 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.
Fri 9/41:08 pm
GTF
- ORD
1 stop7h 25m
Delta
Mon 9/76:00 am
ORD
- GTF
2 stops7h 28m
Delta
Deal found 7/20![Delta logo]()
$389
This Alaska Airlines deal was found by Cheapflights users on 7/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:15 pm
GTF
- ORD
1 stop11h 25m
Alaska Airlines
Fri 10/303:49 pm
ORD
- GTF
1 stop25h 46m
Alaska Airlines
Deal found 7/20![Alaska Airlines logo]()
$393
This Delta deal was found by Cheapflights users on 7/23. 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.
Thu 10/151:13 pm
GTF
- ORD
1 stop7h 47m
Delta
Fri 10/239:59 am
ORD
- GTF
2 stops8h 39m
Delta
Deal found 7/23![Delta logo]()
$474
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 July 24, 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 July 24, 2026.
This Delta deal was found by Cheapflights users on 7/19. 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 10/301:13 pm
GTF
- ORD
1 stop7h 47m
Delta
Wed 11/47:35 am
ORD
- GTF
1 stop5h 58m
Delta
Deal found 7/19![Delta logo]()
$318
This United Airlines deal was found by Cheapflights users on 7/21. 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 9/42:25 pm
GTF
- ORD
1 stop6h 04m
United Airlines
Mon 9/75:55 am
ORD
- GTF
1 stop8h 34m
United Airlines
Deal found 7/21![United Airlines logo]()
$318
This Alaska Airlines deal was found by Cheapflights users on 7/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:15 pm
GTF
- ORD
2 stops25h 52m
Alaska Airlines
Fri 10/2311:15 am
ORD
- GTF
2 stops30h 20m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$589
This Delta deal was found by Cheapflights users on 7/21. 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.
Wed 8/195:40 am
GTF
- ORD
1 stop5h 19m
Delta
Wed 8/267:48 am
ORD
- GTF
1 stop5h 40m
Delta
Deal found 7/21![Delta logo]()
$328
This Delta deal was found by Cheapflights users on 7/21. 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.
Sat 8/225:40 am
GTF
- ORD
2 stops12h 19m
Delta
Sat 8/296:00 am
ORD
- GTF
2 stops7h 28m
Delta
Deal found 7/21![Delta logo]()
$369
This Delta deal was found by Cheapflights users on 7/23. 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.
Thu 10/151:13 pm
GTF
- ORD
1 stop7h 47m
Delta
Fri 10/239:59 am
ORD
- GTF
2 stops8h 39m
Delta
Deal found 7/23![Delta logo]()
$474
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:18 pm
GTF
- ORD
2 stops19h 04m
Alaska Airlines
Wed 8/262:18 pm
ORD
- GTF
2 stops27h 20m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$616
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:15 pm
GTF
- ORD
1 stop11h 25m
Alaska Airlines
Sun 10/187:49 pm
ORD
- GTF
2 stops21h 46m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$645
Last-minute flights from Great Falls to O'Hare IntlDiscover last-minute flight deals from Great Falls to O'Hare Intl. Data last updated July 24, 2026 and is based on user searches.
Discover last-minute flight deals from Great Falls to O'Hare Intl. Data last updated July 24, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 7/21. 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.
Sat 7/2512:30 pm
GTF
- ORD
Nonstop3h 18m
United Airlines
Sat 8/19:00 am
ORD
- GTF
Nonstop3h 46m
United Airlines
Deal found 7/21![United Airlines logo]()
$539
This Delta deal was found by Cheapflights users on 7/23. 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.
Sat 7/255:40 am
GTF
- ORD
1 stop5h 20m
Delta
Sat 8/15:00 pm
ORD
- GTF
1 stop6h 37m
Delta
Deal found 7/23![Delta logo]()
$613
This United Airlines deal was found by Cheapflights users on 7/22. 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.
Wed 7/2912:30 pm
GTF
- ORD
Nonstop3h 18m
United Airlines
Sat 8/19:00 am
ORD
- GTF
Nonstop3h 46m
United Airlines
Deal found 7/22![United Airlines logo]()
$564
This Delta deal was found by Cheapflights users on 7/21. 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.
Wed 8/195:40 am
GTF
- ORD
1 stop5h 19m
Delta
Wed 8/267:48 am
ORD
- GTF
1 stop5h 40m
Delta
Deal found 7/21![Delta logo]()
$328
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:18 pm
GTF
- ORD
2 stops19h 04m
Alaska Airlines
Wed 8/262:18 pm
ORD
- GTF
2 stops27h 20m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$616
This United Airlines deal was found by Cheapflights users on 7/22. 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.
Thu 8/202:25 pm
GTF
- ORD
1 stop6h 35m
United Airlines
Sun 8/235:55 am
ORD
- GTF
1 stop8h 34m
United Airlines
Deal found 7/22![United Airlines logo]()
$350
This Delta deal was found by Cheapflights users on 7/22. 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.
Thu 8/205:40 am
GTF
- ORD
1 stop5h 19m
Delta
Sun 8/236:00 am
ORD
- GTF
2 stops7h 28m
Delta
Deal found 7/22![Delta logo]()
$509
This Gotogate deal was found by Cheapflights users on 7/22. 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.
Thu 8/205:18 pm
GTF
- ORD
2 stops19h 04m
Alaska Airlines
Sun 8/238:17 pm
ORD
- GTF
2 stops21h 21m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$575
This Delta deal was found by Cheapflights users on 7/21. 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.
Sat 8/225:40 am
GTF
- ORD
2 stops12h 19m
Delta
Sat 8/296:00 am
ORD
- GTF
2 stops7h 28m
Delta
Deal found 7/21![Delta logo]()
$369
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 July 24, 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 July 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/19. 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.
Fri 8/1410:19 am
GTF
- ORD
1 stop18h 18m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$242
This Expedia deal was found by Cheapflights users on 7/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/105:19 pm
GTF
- ORD
2 stops25h 56m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 7/19. 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.
Thu 8/139:18 pm
GTF
- ORD
2 stops22h 34m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$254
This Delta deal was found by Cheapflights users on 7/19. 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 8/101:08 pm
GTF
- ORD
1 stop7h 25m
Delta
Deal found 7/19![Delta logo]()
$288
This Delta deal was found by Cheapflights users on 7/23. 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.
Wed 8/265:40 am
GTF
- ORD
1 stop5h 19m
Delta
Deal found 7/23![Delta logo]()
$293
This Delta deal was found by Cheapflights users on 7/19. 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 8/156:18 pm
GTF
- ORD
2 stops14h 55m
Delta
Deal found 7/19![Delta logo]()
$294
This Delta deal was found by Cheapflights users on 7/19. 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 8/121:08 pm
GTF
- ORD
1 stop7h 25m
Delta
Deal found 7/19![Delta logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 7/19. 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.
Sun 8/99:18 pm
GTF
- ORD
2 stops26h 15m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$320
This Alaska Airlines deal was found by Cheapflights users on 7/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/65:09 pm
GTF
- ORD
1 stop12h 11m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$365
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 July 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $318 (United Airlines) |
One-way from | $242 (Kiwi.com) |
Popular in | September |
Cheapest in | February |
Average price | $693 |
Good round-trip deal | $608 or less |
Good one-way deal | $368 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 2,558,603 searches. Data last updated July 24, 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 - ORD
GTFORD
Great Falls
Fri 10/30
1:13 pm-10:00 pm
1 stop7h 47m
Chicago O'Hare Intl
Wed 11/4
7:35 am-12:33 pm
1 stop5h 58m
$318
Great FallsChicago
GTF - ORD
GTFORD
Great Falls
Fri 9/4
2:25 pm-9:29 pm
1 stop6h 04m
Chicago O'Hare Intl
Mon 9/7
5:55 am-1:29 pm
1 stop8h 34m
$318
Quickest round-trip
Great FallsChicago
GTF - ORD
GTFORD
Great Falls
Wed 8/19
5:40 am-11:59 am
1 stop5h 19m
Chicago O'Hare Intl
Wed 8/26
7:48 am-12:28 pm
1 stop5h 40m
$328
Great FallsChicago
GTF - ORD
GTFORD
Great Falls
Sat 8/22
5:40 am-6:59 pm
2 stops12h 19m
Chicago O'Hare Intl
Sat 8/29
6:00 am-12:28 pm
2 stops7h 28m
$369
Great FallsChicago
GTF - ORD
GTFORD
Great Falls
Thu 10/15
1:13 pm-10:00 pm
1 stop7h 47m
Chicago O'Hare Intl
Fri 10/23
9:59 am-5:38 pm
2 stops8h 39m
$474
Great FallsChicago
GTF - ORD
GTFORD
Great Falls
Thu 10/15
5:15 pm-8:07 pm
2 stops25h 52m
Chicago O'Hare Intl
Fri 10/23
11:15 am-4:35 pm
2 stops30h 20m
$589
Great FallsChicago
GTF - ORD
GTFORD
Great Falls
Wed 8/19
5:18 pm-1:22 pm
2 stops19h 04m
Chicago O'Hare Intl
Wed 8/26
2:18 pm-4:38 pm
2 stops27h 20m
$616
Great FallsChicago
GTF - ORD
GTFORD
Great Falls
Wed 10/14
5:15 pm-5:40 am
1 stop11h 25m
Chicago O'Hare Intl
Sun 10/18
7:49 pm-4:35 pm
2 stops21h 46m
$645
Cheapest one-way
Great FallsChicago
GTF - ORD
GTFORD
Great Falls
Thu 9/10
5:19 pm-8:15 pm
2 stops25h 56m
$250
Great FallsChicago
GTF - ORD
GTFORD
Great Falls
Wed 8/26
5:18 pm-8:28 pm
2 stops26h 10m
$255
Showing 1-10 of 18 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 July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 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.
Cheapflights Insights
Everything you need to know about your flight from Great Falls to Chicago O'Hare Intl Airport
What is the cheapest time of day to fly from GTF to ORD?
Find hourly flight availability from Great Falls to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 24, 2026.
When flying from Great Falls to Chicago O'Hare Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How much does it cost to fly round-trip from Great Falls to Chicago O'Hare Intl Airport?
Airfare is below average for this route at the moment.
Great Falls to Chicago O'Hare Intl Airport flights typically cost between $470 and $542 in September.The cheapest round-trip price found within the last 5 days was $318 on United Airlines (Sep 4-Sep 7).
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 July 24, 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
Overall
7.8
Comfort
7.8
Food
7.2
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Overall
7.8
Comfort
7.8
Food
7.2
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Overall
7.8
Comfort
7.8
Food
7.2
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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
Schaumburg
Lake Geneva
Naperville
Oak Brook
Delavan
Oakbrook Terrace
Gurnee
South Holland
Libertyville
Orland Park
Hoffman Estates
Beloit
Downers Grove
Rockford
Racine
Great Lakes
Janesville
Joliet
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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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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 2,558,603 searches. Data last updated July 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$270 | Average$603 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$277 | Average$581 | FlexibilityNo cancel fee | On-time69% |