HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Great Falls (GTF) to Illinois from $211

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 8/15. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
GTF — ORD
Jun 12 — Jun 191
From?
To?
Wed 6/12
Wed 6/19
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

What is the cheapest month to fly from Great Falls to Illinois?

January can be a great time to fly to Illinois from Great Falls with a flight ticket averaging about $376. Cheapflights users have found deals in the month of January for as cheap as $217. The most expensive prices can be found in the month of May.

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

When flying from Great Falls to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Great Falls to Illinois flights in June & July 2024

Find cheap flight options from Great Falls to Illinois specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,048,502 searches. Prices were last updated on June 7, 2024.
Scroll through some of the best deals on flights from Great Falls to Illinois in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Tue 6/184:11 pmGTF - ORD
1 stop6h 28mAlaska Airlines
Sat 6/223:10 pmORD - GTF
1 stop9h 49mAlaska Airlines
Deal found 6/6$498
Wed 6/192:17 pmGTF - ORD
1 stop5h 47mUnited Airlines
Sun 6/235:04 amORD - GTF
1 stop16h 59mUnited Airlines
Deal found 6/6$587
Tue 6/182:17 pmGTF - ORD
1 stop7h 38mUnited Airlines
Sat 6/228:45 amORD - GTF
2 stops13h 18mUnited Airlines
Deal found 6/6$592
Tue 6/186:45 amGTF - ORD
1 stop7h 10mUnited Airlines
Sat 6/228:50 amORD - GTF
Nonstop3h 35mUnited Airlines
Deal found 6/6$597
Thu 6/202:17 pmGTF - ORD
1 stop7h 38mUnited Airlines
Sun 6/2312:48 pmORD - GTF
2 stops9h 15mUnited Airlines
Deal found 6/6$662
Thu 6/204:11 pmGTF - ORD
1 stop6h 28mAlaska Airlines
Sun 6/236:00 amORD - GTF
1 stop18h 59mAlaska Airlines
Deal found 6/6$670
Wed 6/192:17 pmGTF - ORD
1 stop7h 38mUnited Airlines
Sun 6/237:00 amORD - GTF
2 stops15h 03mUnited Airlines
Deal found 6/6$732
Thu 6/202:17 pmGTF - ORD
2 stops18h 38mUnited Airlines
Sun 6/2312:48 pmORD - GTF
2 stops9h 15mUnited Airlines
Deal found 6/6$852
Tue 6/186:15 pmGTF - ORD
2 stops12h 17mDelta
Sat 6/2212:35 pmORD - GTF
2 stops11h 13mDelta
Deal found 6/6$1,118

Great Falls to Illinois 2024 flight deals

Discover exclusive flight deals for travel between Great Falls and Illinois in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,048,502 searches. Data last updated June 7, 2024.
Scroll through some of the best deals on flights from Great Falls to Illinois in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Thu 8/156:15 pmGTF - ORD
2 stops12h 15mDelta
Sat 8/1712:32 pmORD - GTF
1 stop5h 26mDelta
Deal found 6/6$211
Thu 8/226:15 pmGTF - ORD
2 stops12h 15mDelta
Mon 8/261:31 pmORD - GTF
2 stops10h 02mDelta
Deal found 6/5$216
Thu 8/226:00 amGTF - ORD
1 stop7h 44mDelta
Mon 8/261:31 pmORD - GTF
2 stops10h 02mDelta
Deal found 6/5$217
Thu 8/222:25 pmGTF - ORD
1 stop7h 32mUnited Airlines
Mon 8/264:09 pmORD - GTF
1 stop6h 08mUnited Airlines
Deal found 6/5$218
Thu 8/226:00 amGTF - MDW
1 stop6h 43mDelta
Mon 8/267:20 pmMDW - GTF
1 stop4h 57mDelta
Deal found 6/5$267
Thu 8/156:00 amGTF - ORD
1 stop7h 44mDelta
Sat 8/1712:32 pmORD - GTF
1 stop5h 26mDelta
Deal found 6/6$267
Mon 10/286:05 amGTF - ORD
1 stop7h 51mDelta
Wed 10/303:50 pmORD - GTF
1 stop8h 01mDelta
Deal found 6/6$277
Thu 8/156:15 pmGTF - ORD
2 stops12h 15mDelta
Sat 8/177:10 amORD - GTF
2 stops10h 48mDelta
Deal found 6/6$287
Thu 8/152:15 pmGTF - ORD
1 stop7h 40mUnited Airlines
Sat 8/178:50 amORD - GTF
Nonstop3h 35mUnited Airlines
Deal found 6/6$289

One-way flights to Illinois from Great Falls

Search for one-way flight options from Great Falls to Illinois. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,048,502 searches. Data last updated June 7, 2024.
Some of the best available deals we've found on one-way flights from Great Falls to Illinois. Those needing a return flight from Great Falls to Illinois can use the search form above.
Thu 7/252:15 pmGTF - ORD
1 stop6h 41mUnited Airlines
Deal found 6/5$249
Thu 7/254:11 pmGTF - ORD
2 stops12h 04mAlaska Airlines
Deal found 6/5$277

Find flights from Great Falls to Illinois within your budget

Customize your flight search to find flights from Great Falls to Illinois 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 3,048,502 searches. Data last updated June 7, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$211 - $359

Route

Depart

Return

Price

Great FallsChicago O'Hare Intl

GTF - ORD

GTFORD

Great Falls

Thu 8/15

2 stops12h 15m

Chicago O'Hare Intl

Sat 8/17

1 stop5h 26m

$211

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

$216

Great FallsChicago O'Hare Intl

GTF - ORD

GTFORD

Great Falls

Thu 8/22

1 stop7h 44m

Chicago O'Hare Intl

Mon 8/26

2 stops10h 02m

$217

Great FallsChicago O'Hare Intl

GTF - ORD

GTFORD

Great Falls

Thu 8/22

1 stop7h 32m

Chicago O'Hare Intl

Mon 8/26

1 stop6h 08m

$218

Great FallsChicago Midway

GTF - MDW

GTFMDW

Great Falls

Thu 8/22

1 stop6h 43m

Chicago Midway

Mon 8/26

1 stop4h 57m

$267

Great FallsChicago O'Hare Intl

GTF - ORD

GTFORD

Great Falls

Thu 8/15

1 stop7h 44m

Chicago O'Hare Intl

Sat 8/17

1 stop5h 26m

$267

Great FallsChicago O'Hare Intl

GTF - ORD

GTFORD

Great Falls

Thu 8/15

1 stop7h 40m

Chicago O'Hare Intl

Sat 8/17

Nonstop3h 35m

$289

Great FallsChicago O'Hare Intl

GTF - ORD

GTFORD

Great Falls

Sat 9/28

1 stop20h 37m

Chicago O'Hare Intl

Mon 9/30

1 stop6h 47m

$351

Great FallsChicago O'Hare Intl

GTF - ORD

GTFORD

Great Falls

Sat 9/28

1 stop20h 37m

Chicago O'Hare Intl

Mon 9/30

2 stops17h 46m

$359

Flights are sorted by cheapest first

Deals found on 6/6

No data available for this route at this time. Please check back soon.

Best time to book a flight from Great Falls to Illinois

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

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated June 7, 2024.
Read through reviews of airlines operating flights from Great Falls to Illinois, such as Delta, United Airlines and Alaska Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,223 reviews

Overall

8.1

Food

7.3

Boarding

8.2

Entertainment

7.3

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Alaska Airlines
8.1
Very good
9,223 reviews
Alaska Airlines
8.1
Very good
9,223 reviews

Overall

8.1

Food

7.3

Boarding

8.2

Entertainment

7.3

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Delta
8.0
Very good
10,363 reviews
Alaska Airlines
8.1
Very good
9,223 reviews

Overall

8.1

Food

7.3

Boarding

8.2

Entertainment

7.3

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

United Airlines
7.4
Good
10,696 reviews
Alaska Airlines
8.1
Very good
9,223 reviews

Overall

8.1

Food

7.3

Boarding

8.2

Entertainment

7.3

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Related info for your journey

Find useful and relevant information for your journey from Great Falls to Illinois. 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 Illinois?

    Great Falls (GTF) is the airport you will fly out of if you book a flight from Great Falls to Illinois. It is only a 3.5 mi journey to Great Falls (GTF) from Great Falls’s city center.

  • Can I find flights from Great Falls to Illinois for under $300 on Cheapflights?

    Yes, there are multiple flights from Great Falls to Illinois for under $300. The cheapest flight booked recently is on Delta for just $211, but on average you can expect to pay $352.

  • What are the cheapest flights from Great Falls to Illinois?

    On average you can expect to pay $528 for a flight from Great Falls to Illinois. The cheapest flight overall is $209 while the most popular route, (Great Falls - Chicago O'Hare Intl) is currently priced at $211.

  • 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. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Springfield Capital Airport (SPI).

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

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Great Falls to Illinois 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 Illinois that allow pets onboard?

    Many airlines flying from Great Falls to Illinois 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 Illinois?

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

    The Great Falls to Illinois flight deals you see on this page were last updated on 6/6.

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

    Currently, February is the cheapest month in which you can book a flight from Great Falls to Illinois (average of $244). Flying from Great Falls to Illinois in July is currently the most expensive (average of $324). 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.

Alternative routes for Great Falls to Illinois
See prices for flight routes from nearby airports that may be better suited for you.

Bozeman to O'Hare Intl flights
Bozeman to Seattle flights
Missoula to Seattle flights
Billings to Seattle flights
Bozeman to Dallas/Fort Worth flights
Bozeman to Boston flights
Missoula to Minneapolis flights
Bozeman to Denver flights
Missoula to O'Hare Intl flights
Bozeman to San Francisco flights
Kalispell to Seattle flights
Bozeman to Minneapolis flights
Missoula to Dallas/Fort Worth flights
Bozeman to Midway flights
Bozeman to Portland flights
Missoula to Newark flights
Billings to Dallas/Fort Worth flights
Missoula to Boston flights
Bozeman to Los Angeles flights
Kalispell to Denver flights
Missoula to John F Kennedy Intl flights
Missoula to Los Angeles flights
Kalispell to Hobby flights
Bozeman to Newark flights
Missoula to Denver flights
Bozeman to Nashville flights
Billings to Denver flights
Bozeman to Philadelphia flights
Billings to Anchorage flights
Bozeman to LaGuardia flights
Missoula to Ontario flights
Kalispell to Minneapolis flights
Bozeman to Grand Rapids flights
Great Falls to Denver flights
Kalispell to John F Kennedy Intl flights
Bozeman to Salt Lake City flights
Bozeman to Atlanta flights
Billings to O'Hare Intl flights
Kalispell to Newark flights
Bozeman to Honolulu flights
Billings to Valparaiso flights
Missoula to Midway flights
Missoula to Philadelphia flights
Missoula to Las Vegas flights
Missoula to San Diego flights
Kalispell to Dallas/Fort Worth flights
Bozeman to John F Kennedy Intl flights
Missoula to Albuquerque flights
Bozeman to Tampa flights
Billings to Lihue flights

Top 2 airlines flying from Great Falls to Illinois

Discover the top 2 airlines that operate flights from Great Falls to Illinois. 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 3,048,502 searches. Data last updated June 7, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$152Average$307FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$217Average$374FlexibilityNo cancel feeOn-time69%
Denver to Charlotte flights
Austin to Seattle flights
New York to Washington, D.C. flights
San Diego to Hawaii flights
Fort Lauderdale to Los Angeles flights
Dallas to Seattle flights
California to Hawaii flights
USA to Egypt flights
Hartford to Orlando flights
USA to New Zealand flights
New York to Istanbul flights
Great Falls to Indiana flights

Search flights from Great Falls to Illinois by cabin class

Find flights from Great Falls to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Gaziantep
Flights to Miyakojima Hirara
Flights to Figari-Sud Corse
Flights to Mason City
Flights to Komatsu
Flights to Sendai
Flights to Rhinelander Oneida County
Flights to Constanţa Mihail Kogalniceanu
Flights to Brainerd Crow Wing County
Flights to Reus
Flights to Virac
Flights to Neiva La Marguita
Flights to Pellston Emmet County
Flights to Urumqi
Flights to Bastia Poretta
Flights to Samos
Flights to Hyannis Barnstable
Flights to Provincetown
Flights to Alghero-Fertilia
Flights to Laayoune Hassan I
Flights to Devils Lake
Flights to Vava'u Lupepau'U
Flights to Hakodate
Flights to Edremit/Korfez
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.
View all available airlines