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CA $228 Cheap Flights from Great Falls (GTF) to Chicago (ORD)

View CA $228 flight on Tue, Jan 12, 2027Opens in a new window

Popular airlines from Great Falls, MT (GTF-Great Falls Intl.) to Chicago O'Hare International Airport (ORD)

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Cheap flights from Great Falls (GTF) to Chicago (ORD)

Prices were available within the past 7 days and start at CA $228 for one-way flights and CA $456 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Nov 17 - Fri, Nov 27
GTF
Great Falls
ORD
Chicago
CA $456 Roundtrip, found 11 hours ago
CA $456
Roundtrip
found 11 hours ago
Select Delta flight, departing Tue, Nov 17 from Great Falls to Chicago, returning Fri, Nov 27, priced at CA $456 found 11 hours ago
Delta
Tue, Nov 17 - Tue, Nov 24
GTF
Great Falls
ORD
Chicago
CA $463 Roundtrip, found 14 hours ago
CA $463
Roundtrip
found 14 hours ago
Select Delta flight, departing Tue, Nov 17 from Great Falls to Chicago, returning Tue, Nov 24, priced at CA $463 found 14 hours ago
Alaska Airlines
Tue, Jan 12 - Sun, Jan 17
GTF
Great Falls
ORD
Chicago
CA $497 Roundtrip, found 17 hours ago
CA $497
Roundtrip
found 17 hours ago
Select Alaska Airlines flight, departing Tue, Jan 12 from Great Falls to Chicago, returning Sun, Jan 17, priced at CA $497 found 17 hours ago
Delta
Tue, Nov 17 - Fri, Nov 27
GTF
Great Falls
ORD
Chicago
CA $505 Roundtrip, found 11 hours ago
CA $505
Roundtrip
found 11 hours ago
Select Delta flight, departing Tue, Nov 17 from Great Falls to Chicago, returning Fri, Nov 27, priced at CA $505 found 11 hours ago
Delta
Tue, Nov 17 - Thu, Nov 26
GTF
Great Falls
ORD
Chicago
CA $509 Roundtrip, found 11 hours ago
CA $509
Roundtrip
found 11 hours ago
Select Delta flight, departing Tue, Nov 17 from Great Falls to Chicago, returning Thu, Nov 26, priced at CA $509 found 11 hours ago
Delta
Tue, Nov 17 - Tue, Nov 24
GTF
Great Falls
ORD
Chicago
CA $512 Roundtrip, found 14 hours ago
CA $512
Roundtrip
found 14 hours ago
Select Delta flight, departing Tue, Nov 17 from Great Falls to Chicago, returning Tue, Nov 24, priced at CA $512 found 14 hours ago
Delta
Sun, Nov 22 - Thu, Nov 26
GTF
Great Falls
ORD
Chicago
CA $552 Roundtrip, found 16 hours ago
CA $552
Roundtrip
found 16 hours ago
Select Delta flight, departing Sun, Nov 22 from Great Falls to Chicago, returning Thu, Nov 26, priced at CA $552 found 16 hours ago
Delta
Tue, Nov 17 - Thu, Nov 26
GTF
Great Falls
ORD
Chicago
CA $557 Roundtrip, found 11 hours ago
CA $557
Roundtrip
found 11 hours ago
Select Delta flight, departing Tue, Nov 17 from Great Falls to Chicago, returning Thu, Nov 26, priced at CA $557 found 11 hours ago
Delta
Tue, Nov 17 - Fri, Nov 27
GTF
Great Falls
ORD
Chicago
CA $560 Roundtrip, found 11 hours ago
CA $560
Roundtrip
found 11 hours ago
Select Delta flight, departing Tue, Nov 17 from Great Falls to Chicago, returning Fri, Nov 27, priced at CA $560 found 11 hours ago
United
Tue, Nov 17 - Thu, Nov 26
GTF
Great Falls
ORD
Chicago
CA $580 Roundtrip, found 11 hours ago
CA $580
Roundtrip
found 11 hours ago
Select United flight, departing Tue, Nov 17 from Great Falls to Chicago, returning Thu, Nov 26, priced at CA $580 found 11 hours ago

Frequently asked questions

How much does a flight from Great Falls, MT (GTF-Great Falls Intl.) to Chicago, IL (ORD-O'Hare Intl.) cost?
You can find one-way and return flights from GTF to ORD with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when GTF to ORD ticket fares go up or down.
What is the cheapest month to fly from Great Falls, MT (GTF-Great Falls Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
The cheapest months to fly from GTF to ORD are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Great Falls, MT (GTF-Great Falls Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
Only one airline offers direct flights from Great Falls Intl. (GTF) to O'Hare Intl. (ORD).United operates 7 direct flights from Great Falls Intl. to O'Hare Intl. every week.
What is the cheapest airline that flies from Great Falls, MT (GTF-Great Falls Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
Delta offers one of the cheapest connecting return flights from Great Falls Intl. (GTF) to O'Hare Intl. (ORD) with a layover in Salt Lake City Intl. (SLC), starting from around CA$364. United is one of the cheapest airlines offering nonstop return flights from Great Falls Intl. (GTF) to O'Hare Intl. (ORD), with tickets starting from around CA$636 for flights that can be booked for departure within the next year. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Great Falls, MT (GTF-Great Falls Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
To find a cheap flight from Great Falls, MT (GTF-Great Falls Intl.) to Chicago, IL (ORD-O'Hare Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Great Falls, MT (GTF-Great Falls Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
The best airline to fly with from Great Falls, MT (GTF-Great Falls Intl.) to Chicago, IL (ORD-O'Hare Intl.) will differ from traveler to traveler. If you like to fly early, United offers early morning flights. If price is the most important factor, United typically offers the lowest fares. Alaska Airlines offers the most daily flights from Great Falls, MT (GTF-Great Falls Intl.) to Chicago, IL (ORD-O'Hare Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Great Falls, MT (GTF-Great Falls Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Great Falls, MT (GTF-Great Falls Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
There are approximately 5 connecting flights per day from Great Falls Intl. (GTF) to O'Hare Intl. (ORD). Some common connection points include Seattle - Tacoma Intl. (SEA), Denver Intl. (DEN), and Salt Lake City Intl. (SLC).
What is the earliest flight from Great Falls, MT (GTF-Great Falls Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
The earliest flight from Great Falls, MT (GTF-Great Falls Intl.) to Chicago, IL (ORD-O'Hare Intl.) typically departs around 5:20 AM. This flight is operated by Delta. This is a seasonal service, active only in February. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Great Falls, MT (GTF-Great Falls Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
You'll typically find the most flights from Great Falls, MT (GTF-Great Falls Intl.) to Chicago, IL (ORD-O'Hare Intl.) on a Monday, with around 6 flights available. This gives you a good selection for your travel plans. Major airlines on this route include Delta, United, and Alaska Airlines. Flight schedules are consistent throughout the week, so you'll have similar options on other days too.
What are the most popular departure times for flights from Great Falls, MT (GTF-Great Falls Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
The most popular departure times for flights from Great Falls Intl. (GTF) to O'Hare Intl. (ORD) are in the afternoon, from 12pm to 3pm. Many major carriers, including United and Delta, offer flights during this window. Many travellers prefer this time because it allows for a relaxed morning before heading to the airport, and you'll arrive in Chicago with plenty of time to settle in.
How long does it take to fly from Great Falls, MT (GTF-Great Falls Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
When flying from Great Falls, MT (GTF-Great Falls Intl.) to Chicago, IL (ORD-O'Hare Intl.), you have a few options. A nonstop flight typically takes around 3 hours 18 minutes, covering a distance of approximately 1,942 kilometres. If you opt for a one-stop flight, your travel time will be longer, usually around 7 hours 48 minutes. Flights with two or more stops will take even longer, with a typical duration of about 9 hours 48 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic.
Can you fly business or first class from Great Falls, MT (GTF-Great Falls Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
You can fly first class between GTF and ORD. First class cabins are available on Alaska Airlines, United, and Delta.
How do I earn miles on a Great Falls, MT (GTF-Great Falls Intl.) to Chicago, IL (ORD-O'Hare Intl.) flight with Expedia?
It's easy to earn miles on a Great Falls, MT (GTF-Great Falls Intl.) to Chicago, IL (ORD-O'Hare Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Chicago, IL (ORD) from Great Falls, MT (GTF)?
If you're planning to travel to Chicago from Great Falls Intl. (GTF), you can fly directly into O'Hare Intl. (ORD). Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), Denver Intl. (DEN), or Salt Lake City Intl. (SLC) before reaching Chicago. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Great Falls, MT (GTF-Great Falls Intl.) to Chicago, IL (ORD-O'Hare Intl.) at the last minute?
Typically, booking a last minute flight from Great Falls, MT (GTF-Great Falls Intl.) to Chicago, IL (ORD-O'Hare Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Great Falls, MT (GTF-Great Falls Intl.) to Chicago, IL (ORD-O'Hare Intl.) flight and hotel package?
Securing a Great Falls, MT (GTF-Great Falls Intl.) to Chicago, IL (ORD-O'Hare Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Great Falls, MT (GTF-Great Falls Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
If you booked your Great Falls, MT (GTF-Great Falls Intl.) to Chicago, IL (ORD-O'Hare Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Great Falls Intl.
Destination airport
O'Hare Intl.
Airlines serving
Alaska Airlines, Delta, United
Roundtrip price
CA $455
Distance
1930 km

Book with confidence

Great Falls to Chicago Flights

The easy way to book your flights from Great Falls to Chicago 

With Expedia, it’s simple to find and book flights to Chicago from Great Falls whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to O'Hare Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Great Falls to Chicago today, tomorrow, or this week.  

 

Save dollars with cheap flights from Great Falls Intl., GTF to O'Hare Intl., ORD 

Sort your search results by price to find great deals on your flight from Great Falls to Chicago—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Chicago from Great Falls currently is just CA $456 rising to CA $580.  

Here are more money-saving tips: 

  • Fly in November when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Chicago  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Chicago from Great Falls 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Chicago with Expedia today.

Great Falls to Chicago Flights

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