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Great Falls

$152+ Cheap flights from Illinois 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 1/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — GTF
Nov 9 — Nov 161
Sat 11/9
Sat 11/16
1 adult, Economy
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Find flight deals from Illinois to Great Falls

Cheapest flights from Illinois to Great Falls
Explore the most affordable flight options available from Illinois to Great Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2024.

This United deal was found by Cheapflights users on 11/3. 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.
Sun 12/159:36 pmORD - GTF
1 stop17h 11mUnited Airlines
Thu 12/192:25 pmGTF - ORD
1 stop8h 34mUnited Airlines
Deal found 11/3$479
This Delta deal was found by Cheapflights users on 11/3. 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 12/65:25 pmORD - GTF
1 stop7h 05mDelta
Fri 12/135:50 amGTF - ORD
1 stop7h 53mDelta
Deal found 11/3$506
This Delta deal was found by Cheapflights users on 11/3. 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 11/236:00 amSTL - GTF
2 stops12h 49mDelta
Wed 11/276:29 pmGTF - STL
1 stop5h 13mDelta
Deal found 11/3$561
This Delta deal was found by Cheapflights users on 11/2. 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 12/27:17 pmMDW - GTF
1 stop5h 02mDelta
Fri 12/65:50 amGTF - MDW
1 stop6h 41mDelta
Deal found 11/2$668
This Alaska Airlines deal was found by Cheapflights users on 11/3. 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.
Sat 11/167:00 amORD - GTF
1 stop9h 27mAlaska Airlines
Sat 11/234:07 pmGTF - ORD
1 stop11h 23mAlaska Airlines
Deal found 11/3$689
This United Airlines deal was found by Cheapflights users on 11/3. 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 11/167:00 amSTL - GTF
2 stops15h 37mUnited Airlines
Thu 11/216:30 amGTF - STL
2 stops8h 09mUnited Airlines
Deal found 11/3$712
This Alaska Airlines deal was found by Cheapflights users on 11/3. 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.
Sat 11/167:00 amSTL - GTF
1 stop9h 27mAlaska Airlines
Thu 11/214:08 pmGTF - STL
1 stop6h 51mAlaska Airlines
Deal found 11/3$716
This United Airlines deal was found by Cheapflights users on 11/3. 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 11/235:15 pmPIA - GTF
2 stops29h 22mUnited Airlines
Fri 11/296:30 amGTF - PIA
2 stops33h 10mUnited Airlines
Deal found 11/3$1,000
This Delta deal was found by Cheapflights users on 11/3. 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 11/236:00 amBMI - GTF
2 stops12h 49mDelta
Fri 11/295:50 amGTF - BMI
2 stops8h 19mDelta
Deal found 11/3$1,759

Find flights from Illinois to Great Falls within your budget

Customize your flight search to find flights from Illinois 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 2,455,398 searches. Data last updated November 4, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Sat 1/4

7:30 am-12:59 pm

1 stop6h 29m

$152

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Fri 1/24

6:55 pm-4:13 pm

2 stops22h 18m

$187

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Fri 1/24

2:39 pm-9:35 pm

1 stop7h 56m

$212

ChicagoGreat Falls

MDW - GTF

MDWGTF

Chicago Midway

Fri 1/24

6:59 pm-11:19 pm

1 stop5h 20m

$204

St. LouisGreat Falls

STL - GTF

STLGTF

Lambert-St Louis

Tue 11/26

1:39 pm-9:37 pm

1 stop8h 58m

$307

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Sun 1/5

7:30 am-12:59 pm

1 stop6h 29m

Great Falls

Sat 1/11

12:07 pm-9:27 pm

1 stop8h 20m

$356

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Sun 12/15

9:36 pm-1:47 pm

1 stop17h 11m

Great Falls

Thu 12/19

2:25 pm-11:59 pm

1 stop8h 34m

$479

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Sat 11/16

7:00 am-3:27 pm

1 stop9h 27m

Great Falls

Sat 11/23

4:07 pm-4:30 am

1 stop11h 23m

$689

St. LouisGreat Falls

STL - GTF

STLGTF

Lambert-St Louis

Fri 3/14

4:30 pm-9:00 pm

1 stop5h 30m

Great Falls

Wed 3/19

2:15 pm-9:02 pm

1 stop5h 47m

$554

St. LouisGreat Falls

STL - GTF

STLGTF

Lambert-St Louis

Sat 11/23

6:00 am-5:49 pm

2 stops12h 49m

Great Falls

Wed 11/27

6:29 pm-12:42 am

1 stop5h 13m

$561

Flights are sorted by cheapest first

Deals found on 11/3

Showing 1-10 of 14 results
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Best time to book a flight from Illinois to Great Falls

Have a flexible travel schedule? Discover the best time to fly to Great Falls from Illinois 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.

Travel insights for flights from Illinois to Great Falls

Get recent, data-driven insights about flights from Illinois to Great Falls including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Illinois to Great Falls?

Currently, January is the cheapest month in which you can book a flight from Illinois to Great Falls (average of $371). Flying from Illinois to Great Falls in June is currently the most expensive (average of $579). 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.

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

Find hourly flight availability from Illinois 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 November 4, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Great Falls as you normally would.

Rainfall in Great Falls by month

Plan your trip to Great Falls by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Great Falls ranges from 0.5 - 2.5 inches per month. June is typically the wettest month, when rainfall can reach 2.5 in. January is typically the driest time to visit Great Falls when rainfall is around 0.5 in.

Temperature in Great Falls by month

Plan your trip to Great Falls by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Great Falls, 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 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

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 November 4, 2024.
Peruse reviews from past customers who have flown with United Airlines, Alaska Airlines and Delta from Illinois to Great Falls to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,423 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Food

7.2

Overall

8.0

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Alaska Airlines
8.0
Very good
9,423 reviews
Alaska Airlines
8.0
Very good
9,423 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Food

7.2

Overall

8.0

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Delta
8.0
Very good
8,829 reviews
Alaska Airlines
8.0
Very good
9,423 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Food

7.2

Overall

8.0

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

United Airlines
7.4
Good
9,226 reviews
Alaska Airlines
8.0
Very good
9,423 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Food

7.2

Overall

8.0

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Related info for your journey

Find useful and relevant information for your journey from Illinois 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 Illinois?

    Great Falls (GTF), located 3.5 mi from the city center, is the airport you fly into when you book flights from Illinois to Great Falls.

  • Can I find flights from Illinois to Great Falls for under $400 on Cheapflights?

    Yes, there are multiple flights from Illinois to Great Falls for under $400. The cheapest flight booked recently is on Delta for just $356, but on average you can expect to pay $753.

  • Are there last-minute flights available from Illinois to Great Falls for under $900?

    There are currently 2+ open flights from Illinois to Great Falls within the next 7 days for less than $900.

  • What are the cheapest airlines to fly from Illinois to Great Falls one-way?

    The cheapest airlines for a one-way flight from Illinois to Great Falls are Delta ($152), Alaska Airlines ($187), and United Airlines ($212).

  • What are the most popular routes from Illinois to Great Falls?

    While some choose either Lambert-St Louis - Great Falls or Chicago Midway - Great Falls, Chicago O'Hare Intl - Great Falls is the most popular route from Illinois to Great Falls.

  • What does ORD to GTF mean?

    This is defined as Chicago O'Hare Intl Airport (ORD) and Great Falls Airport (GTF). Codes like Great Falls Airport are often used to just call airports uniquely. Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Champaign University-Willard Airport (CMI) are some additional IATA codes for airports related to your trip.

  • Can I find deals for flights from Illinois to Great Falls that include extra baggage allowance?

    The amount of baggage you can bring on your Illinois to Great Falls 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 Illinois to Great Falls with specific airlines?

    Yes, Cheapflights allows you to browse and filter Illinois to Great Falls 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 Illinois to Great Falls that include hotel bookings?

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

  • How can I find direct flights from Illinois to Great Falls?

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

  • Can I find deals for business class flights from Illinois to Great Falls?

    Yes. Cheapflights offers flight deals from Illinois 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.

  • Can I find deals for flights from Illinois to Great Falls that allow pets onboard?

    Many airlines flying from Illinois to Great Falls 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 Illinois to Great Falls?

    Yes, you can often find last-minute deals on Illinois to Great Falls 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 Illinois to Great Falls flight deals updated?

    The Illinois to Great Falls flight deals you see on this page were last updated on 11/3.

  • What is the cheapest month to book a flight from Illinois to Great Falls?

    Currently, January is the cheapest month in which you can book a flight from Illinois to Great Falls (average of $371). Flying from Illinois to Great Falls in June is currently the most expensive (average of $579). 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

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Top 2 airlines flying from Illinois to Great Falls

Discover the top 2 airlines that operate flights from Illinois 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 2,455,398 searches. Data last updated November 4, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$182Average$397FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$248Average$417FlexibilityNo cancel feeOn-time69%
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