$226+ 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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — ORD
Jul 31 — Aug 71

Leverage Cheapflights for Your Next Trip

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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
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

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 26, 2024.

Popular in

June

Cheapest in

January

Average price

$534

Round-trip from

$226
(Delta)
High demand for flights, 35% potential price rise
Best time to find cheap flights, 50% potential price drop
Average for round-trip flights in July 2024
From Great Falls to Chicago O'Hare Intl

What is the cheapest day to fly round-trip from Great Falls to Chicago O'Hare Intl Airport?

Travelers have found that booking a Monday departure is the best way to save up to 106% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

What is the cheapest month to fly from Great Falls to Chicago O'Hare Intl Airport?

Our data shows that January tends to be the cheapest month to fly to Chicago O'Hare Intl Airport from Great Falls. Users have commonly found prices around $385 for the month, but tickets can be as low as $217. Due to multiple factors, prepare for potentially higher prices in June.

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

When flying from Great Falls to Chicago O'Hare Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 2% versus a flight at noon.

Cheap Great Falls to O'Hare Intl flights in July & August 2024

Find cheap flight options from Great Falls to O'Hare Intl specifically for the months of July and August 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,751,780 searches. Prices were last updated on July 26, 2024.
Scroll through some of the best deals on flights from Great Falls to Chicago in 2024. Check back soon for alternative fares.
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/226:06 amGTF - ORD
1 stop7h 38mDelta
Mon 8/265:15 pmORD - GTF
1 stop7h 02mDelta
Deal found 7/26$226
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/225:45 amGTF - ORD
1 stop5h 55mDelta
Mon 8/261:31 pmORD - GTF
2 stops10h 02mDelta
Deal found 7/26$231
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/226:15 pmGTF - ORD
2 stops12h 15mDelta
Mon 8/261:31 pmORD - GTF
2 stops10h 02mDelta
Deal found 7/26$236
This Delta deal was found by Cheapflights users on 7/25. 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 8/175:45 amGTF - ORD
1 stop5h 55mDelta
Mon 8/195:15 pmORD - GTF
1 stop7h 02mDelta
Deal found 7/25$277
This Delta deal was found by Cheapflights users on 7/25. 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 8/175:45 amGTF - ORD
1 stop5h 55mDelta
Mon 8/193:50 pmORD - GTF
2 stops7h 43mDelta
Deal found 7/25$362
This United deal was found by Cheapflights users on 7/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1712:30 pmGTF - ORD
Nonstop3h 14mUnited Airlines
Mon 8/194:09 pmORD - GTF
1 stop6h 08mUnited Airlines
Deal found 7/25$429
This United 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/262:15 pmGTF - ORD
1 stop5h 50mUnited Airlines
Wed 7/312:36 pmORD - GTF
1 stop7h 42mUnited Airlines
Deal found 7/26$538
This United deal was found by Cheapflights users on 7/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/172:15 pmGTF - ORD
2 stops16h 12mUnited Airlines
Mon 8/198:00 pmORD - GTF
2 stops18h 26mUnited Airlines
Deal found 7/25$560
This Delta deal was found by Cheapflights users on 7/25. 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 7/265:45 amGTF - ORD
1 stop5h 55mDelta
Wed 7/311:31 pmORD - GTF
2 stops10h 02mDelta
Deal found 7/25$578

Great Falls to O'Hare Intl 2024 flight deals

Discover exclusive flight deals for travel between Great Falls and O'Hare Intl in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,751,780 searches. Data last updated July 26, 2024.
Scroll through some of the best deals on flights from Great Falls to Chicago in 2024. Check back soon for alternative fares.
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/226:06 amGTF - ORD
1 stop7h 38mDelta
Mon 8/265:15 pmORD - GTF
1 stop7h 02mDelta
Deal found 7/26$226
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/225:45 amGTF - ORD
1 stop5h 55mDelta
Mon 8/261:31 pmORD - GTF
2 stops10h 02mDelta
Deal found 7/26$231
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/226:15 pmGTF - ORD
2 stops12h 15mDelta
Mon 8/261:31 pmORD - GTF
2 stops10h 02mDelta
Deal found 7/26$236
This Delta deal was found by Cheapflights users on 7/25. 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 8/175:45 amGTF - ORD
1 stop5h 55mDelta
Mon 8/195:15 pmORD - GTF
1 stop7h 02mDelta
Deal found 7/25$277
This Alaska Airlines deal was found by Cheapflights users on 7/25. 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.
Mon 10/286:00 amGTF - ORD
1 stop29h 09mAlaska Airlines
Wed 10/305:54 pmORD - GTF
1 stop7h 05mAlaska Airlines
Deal found 7/25$284
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/284:08 pmGTF - ORD
1 stop6h 51mAlaska Airlines
Wed 10/305:54 pmORD - GTF
1 stop7h 05mAlaska Airlines
Deal found 7/26$299
This Delta deal was found by Cheapflights users on 7/25. 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 9/285:45 amGTF - ORD
1 stop5h 35mDelta
Mon 9/305:19 pmORD - GTF
1 stop6h 56mDelta
Deal found 7/25$328
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/285:45 amGTF - ORD
2 stops10h 09mDelta
Mon 9/305:19 pmORD - GTF
1 stop6h 56mDelta
Deal found 7/26$333
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2811:40 amGTF - ORD
2 stops11h 19mDelta
Wed 10/303:40 pmORD - GTF
1 stop5h 36mDelta
Deal found 7/26$348

Find flights from Great Falls to O'Hare Intl within your budget

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 2,751,780 searches. Data last updated July 26, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$226 - $429

Route

Depart

Return

Price

Great FallsChicago O'Hare Intl

GTF - ORD

GTFORD

Great Falls

Thu 8/22

1 stop7h 38m

Chicago O'Hare Intl

Mon 8/26

1 stop7h 02m

$226

Great FallsChicago O'Hare Intl

GTF - ORD

GTFORD

Great Falls

Thu 8/22

1 stop5h 55m

Chicago O'Hare Intl

Mon 8/26

2 stops10h 02m

$231

Great FallsChicago O'Hare Intl

GTF - ORD

GTFORD

Great Falls

Thu 8/22

2 stops12h 15m

Chicago O'Hare Intl

Mon 8/26

2 stops10h 02m

$236

Great FallsChicago O'Hare Intl

GTF - ORD

GTFORD

Great Falls

Sat 8/17

1 stop5h 55m

Chicago O'Hare Intl

Mon 8/19

1 stop7h 02m

$277

Great FallsChicago O'Hare Intl

GTF - ORD

GTFORD

Great Falls

Wed 8/28

1 stop4h 37m

Chicago O'Hare Intl

Tue 9/3

2 stops10h 02m

$282

Great FallsChicago O'Hare Intl

GTF - ORD

GTFORD

Great Falls

Mon 10/28

1 stop29h 09m

Chicago O'Hare Intl

Wed 10/30

1 stop7h 05m

$284

Great FallsChicago O'Hare Intl

GTF - ORD

GTFORD

Great Falls

Mon 10/28

1 stop6h 51m

Chicago O'Hare Intl

Wed 10/30

1 stop7h 05m

$299

Great FallsChicago O'Hare Intl

GTF - ORD

GTFORD

Great Falls

Sat 8/17

Nonstop3h 14m

Chicago O'Hare Intl

Mon 8/19

1 stop6h 08m

$410

Great FallsChicago O'Hare Intl

GTF - ORD

GTFORD

Great Falls

Sat 8/17

Nonstop3h 14m

Chicago O'Hare Intl

Mon 8/19

1 stop6h 08m

$429

Flights are sorted by cheapest first

Deals found on 7/26

What is the cheapest day to fly from Great Falls to Chicago O'Hare Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Great Falls to O'Hare Intl. Price data was last updated on July 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Great Falls to Chicago O'Hare Intl Airport flight should consider departing on Thursday mornings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

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.
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.

Temperature and rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature and rainfall totals by month.

CHI

Temperature

23 - 73.4 °F

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 26, 2024.
To help decide which airline to fly from Great Falls to Chicago, see what other customers have to say about Alaska Airlines, Delta and United Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
9,364 reviews

Food

7.2

Crew

8.6

Overall

8.1

Comfort

7.9

Boarding

8.2

Entertainment

7.2

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

8.1
Very good
9,364 reviews
8.1
Very good
9,364 reviews

Food

7.2

Crew

8.6

Overall

8.1

Comfort

7.9

Boarding

8.2

Entertainment

7.2

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

8.0
Very good
9,615 reviews
8.1
Very good
9,364 reviews

Food

7.2

Crew

8.6

Overall

8.1

Comfort

7.9

Boarding

8.2

Entertainment

7.2

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

7.4
Good
10,000 reviews
8.1
Very good
9,364 reviews

Food

7.2

Crew

8.6

Overall

8.1

Comfort

7.9

Boarding

8.2

Entertainment

7.2

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

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.
  • What airport do you fly from for flights from Great Falls to Chicago O'Hare Intl?

    Located just 3.5 mi from the city center, Great Falls is the airport most travelers will use when flying to Chicago O'Hare Intl from Great Falls. Booking flights from Great Falls (GTF) to Chicago O'Hare Intl should be relatively easy as there are 0 daily outbound flights to Chicago O'Hare Intl from 2 different airlines.

  • Can I find flights from Great Falls to Chicago O'Hare Intl Airport for under $300 on Cheapflights?

    Yes, there are multiple flights from Great Falls to Chicago O'Hare Intl Airport for under $300. The cheapest flight booked recently is on Delta for just $226, but on average you can expect to pay $369.

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

    Currently priced at $226, Delta will fly you from Great Falls to Chicago O'Hare Intl Airport and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Alaska Airlines and United Airlines - these airlines can fly you to your destination from $284 and $410, respectively. Delta is currently priced 47% below the average price you’ll pay for this route.

  • What does GTF to ORD mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Great Falls Airport to Chicago O'Hare Intl Airport flight would often be abbreviated as a GTF to ORD flight.

  • Can I find deals for flights from Great Falls to O'Hare Intl that include extra baggage allowance?

    The amount of baggage you can bring on your Great Falls to O'Hare Intl flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Great Falls to O'Hare Intl with specific airlines?

    Yes, Cheapflights allows you to browse and filter Great Falls to O'Hare Intl flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Great Falls to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Great Falls to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Great Falls to O'Hare Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Great Falls to O'Hare Intl.

  • Can I find deals for business class flights from Great Falls to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Great Falls to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Great Falls to O'Hare Intl that allow pets onboard?

    Many airlines flying from Great Falls to O'Hare Intl offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Great Falls to O'Hare Intl?

    Yes, you can often find last-minute deals on Great Falls to O'Hare Intl flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Great Falls to Chicago O'Hare Intl Airport flight deals updated?

    The Great Falls to Chicago O'Hare Intl Airport flight deals you see on this page were last updated on 7/26.

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

    Currently, February is the cheapest month in which you can book a flight from Great Falls to Chicago O'Hare Intl Airport (average of $245). Flying from Great Falls to Chicago O'Hare Intl Airport in June is currently the most expensive (average of $308). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 2,751,780 searches. Data last updated July 26, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$145Average$307FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$297Average$404FlexibilityNo cancel feeOn-time69%

Search flights from Great Falls to O'Hare Intl by cabin class

Find flights from Great Falls to O'Hare Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.