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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 8/22. 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 5 — Jun 121
From?
To?
Wed 6/5
Wed 6/12
1 adult, Economy
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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 United Airlines flights from Great Falls to Illinois

Explore cheap flight options specifically provided by United Airlines for the route between Great Falls and Illinois. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 31, 2024.
Take a peek at the cheapest United Airlines flights we've detected traveling from Great Falls to Illinois. Make sure to check back often as deals are often changing.
Sat 8/1712:30 pmGTF - ORD
Nonstop3h 14mUnited Airlines
Sat 8/242:30 pmORD - GTF
1 stop7h 47mUnited Airlines
Deal found 5/31$344
Thu 8/152:15 pmGTF - ORD
1 stop5h 50mUnited Airlines
Thu 8/295:15 amORD - GTF
1 stop17h 02mUnited Airlines
Deal found 5/31$406
Wed 10/96:45 amGTF - ORD
1 stop12h 14mUnited Airlines
Tue 10/153:55 pmORD - GTF
1 stop6h 43mUnited Airlines
Deal found 5/31$467
Fri 10/112:25 pmGTF - ORD
1 stop7h 53mUnited Airlines
Tue 10/153:55 pmORD - GTF
1 stop6h 43mUnited Airlines
Deal found 5/31$488
Fri 10/112:25 pmGTF - ORD
1 stop7h 53mUnited Airlines
Wed 10/1611:02 amORD - GTF
1 stop11h 36mUnited Airlines
Deal found 5/31$507
Mon 10/287:00 amGTF - ORD
2 stops15h 59mUnited Airlines
Wed 10/305:45 amORD - GTF
2 stops16h 15mUnited Airlines
Deal found 5/31$523
Sat 10/122:25 pmGTF - ORD
1 stop5h 41mUnited Airlines
Tue 10/158:50 amORD - GTF
1 stop13h 48mUnited Airlines
Deal found 5/31$551
Sun 6/92:17 pmGTF - ORD
1 stop7h 38mUnited Airlines
Fri 6/149:31 pmORD - GTF
1 stop24h 32mUnited Airlines
Deal found 5/30$587
Sat 10/122:25 pmGTF - ORD
1 stop5h 41mUnited Airlines
Mon 10/1411:02 amORD - GTF
1 stop11h 36mUnited Airlines
Deal found 5/31$646

Cheap Delta flights from Great Falls to Illinois

Explore cheap flight options specifically provided by Delta for the route between Great Falls and Illinois. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 31, 2024.
Take a gander at the lowest prices we've found on Delta flights from Great Falls to Illinois. Deals are refreshing constantly so come back soon for more options.
Thu 8/226:00 amGTF - ORD
1 stop7h 44mDelta
Mon 8/261:31 pmORD - GTF
2 stops10h 46mDelta
Deal found 5/31$211
Thu 8/226:15 pmGTF - ORD
2 stops12h 15mDelta
Mon 8/261:31 pmORD - GTF
2 stops10h 46mDelta
Deal found 5/31$216
Thu 8/226:00 amGTF - ORD
1 stop7h 44mDelta
Mon 8/265:15 pmORD - GTF
1 stop7h 02mDelta
Deal found 5/31$232
Sat 10/1212:30 pmGTF - ORD
1 stop8h 17mDelta
Tue 10/157:26 amORD - GTF
2 stops16h 11mDelta
Deal found 5/31$256
Sat 10/1212:30 pmGTF - ORD
1 stop8h 17mDelta
Tue 10/153:50 pmORD - GTF
1 stop8h 01mDelta
Deal found 5/31$267
Thu 8/156:15 pmGTF - ORD
2 stops12h 15mDelta
Thu 8/291:31 pmORD - GTF
2 stops10h 02mDelta
Deal found 5/31$277
Sat 10/1212:30 pmGTF - ORD
1 stop8h 17mDelta
Wed 10/163:50 pmORD - GTF
1 stop8h 01mDelta
Deal found 5/31$297
Thu 8/156:00 amGTF - ORD
1 stop7h 44mDelta
Thu 8/291:31 pmORD - GTF
2 stops10h 02mDelta
Deal found 5/31$302
Sat 10/1212:30 pmGTF - ORD
1 stop8h 17mDelta
Mon 10/146:50 pmORD - GTF
2 stops17h 49mDelta
Deal found 5/31$349

Cheap Great Falls to Illinois flights in May & June 2024

Find cheap flight options from Great Falls to Illinois specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Prices were last updated on May 31, 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 6/204:11 pmGTF - ORD
1 stop11h 29mAlaska Airlines
Sun 6/236:00 amORD - GTF
1 stop18h 59mAlaska Airlines
Deal found 5/31$587
Thu 6/204:11 pmGTF - ORD
2 stops12h 04mAlaska Airlines
Sun 6/236:00 amORD - GTF
1 stop18h 59mAlaska Airlines
Deal found 5/31$699
Thu 6/206:15 pmGTF - ORD
2 stops12h 17mDelta
Sun 6/237:10 amORD - GTF
2 stops11h 24mDelta
Deal found 5/31$1,038

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 2,784,634 searches. Data last updated May 31, 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 8/226:00 amGTF - ORD
1 stop7h 44mDelta
Mon 8/261:31 pmORD - GTF
2 stops10h 46mDelta
Deal found 5/31$211
Thu 8/226:15 pmGTF - ORD
2 stops12h 15mDelta
Mon 8/261:31 pmORD - GTF
2 stops10h 46mDelta
Deal found 5/31$216
Thu 8/226:00 amGTF - ORD
1 stop7h 44mDelta
Mon 8/265:15 pmORD - GTF
1 stop7h 02mDelta
Deal found 5/31$232
Sat 10/1212:30 pmGTF - ORD
1 stop8h 17mDelta
Tue 10/157:26 amORD - GTF
2 stops16h 11mDelta
Deal found 5/31$256
Thu 8/226:00 amGTF - MDW
1 stop6h 43mDelta
Mon 8/267:20 pmMDW - GTF
1 stop4h 57mDelta
Deal found 5/31$267
Sat 10/1212:30 pmGTF - ORD
1 stop8h 17mDelta
Tue 10/153:50 pmORD - GTF
1 stop8h 01mDelta
Deal found 5/31$267
Sat 8/177:02 amGTF - ORD
1 stop8h 48mAlaska Airlines
Sat 8/247:00 amORD - GTF
2 stops9h 51mAlaska Airlines
Deal found 5/31$271
Thu 8/156:15 pmGTF - ORD
2 stops12h 15mDelta
Thu 8/291:31 pmORD - GTF
2 stops10h 02mDelta
Deal found 5/31$277
Sat 8/177:02 amGTF - ORD
1 stop8h 48mAlaska Airlines
Sat 8/248:40 amORD - GTF
1 stop8h 11mAlaska Airlines
Deal found 5/31$293

Great Falls to Illinois flights leaving soon

Find last-minute flight options from Great Falls to Illinois for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 31, 2024.
Book one of these great deals on flights from Great Falls to Illinois. Users should be sure to double check the price, date, and time of their last-minute flight.
Sun 6/92:17 pmGTF - ORD
1 stop7h 38mUnited Airlines
Fri 6/149:31 pmORD - GTF
1 stop24h 32mUnited Airlines
Deal found 5/30$587
Sun 6/96:00 amGTF - ORD
1 stop7h 59mDelta
Fri 6/149:20 amORD - GTF
2 stops9h 14mDelta
Deal found 5/30$593
Sun 6/96:15 pmGTF - ORD
2 stops12h 17mDelta
Fri 6/149:20 amORD - GTF
2 stops9h 14mDelta
Deal found 5/30$598

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 2,784,634 searches. Data last updated May 31, 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.
Fri 7/196:00 amGTF - MDW
1 stop7h 09mDelta
Deal found 5/30$304
Sat 7/205:45 amGTF - MDW
2 stops10h 19mDelta
Deal found 5/30$309
Fri 7/195:45 amGTF - MDW
2 stops11h 54mDelta
Deal found 5/30$409

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 2,784,634 searches. Data last updated May 31, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$211 - $471

Route

Depart

Return

Price

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 46m

$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 46m

$216

Great FallsChicago O'Hare Intl

GTF - ORD

GTFORD

Great Falls

Thu 8/22

1 stop7h 44m

Chicago O'Hare Intl

Mon 8/26

1 stop7h 02m

$232

Great FallsChicago O'Hare Intl

GTF - ORD

GTFORD

Great Falls

Sat 10/12

1 stop8h 17m

Chicago O'Hare Intl

Tue 10/15

2 stops16h 11m

$256

Great FallsChicago O'Hare Intl

GTF - ORD

GTFORD

Great Falls

Sat 8/17

1 stop8h 48m

Chicago O'Hare Intl

Sat 8/24

2 stops9h 51m

$271

Great FallsChicago O'Hare Intl

GTF - ORD

GTFORD

Great Falls

Sat 8/17

1 stop8h 48m

Chicago O'Hare Intl

Sat 8/24

1 stop8h 11m

$293

Great FallsChicago O'Hare Intl

GTF - ORD

GTFORD

Great Falls

Mon 10/28

2 stops22h 28m

Chicago O'Hare Intl

Wed 10/30

1 stop9h 27m

$316

Great FallsChicago O'Hare Intl

GTF - ORD

GTFORD

Great Falls

Sat 8/17

Nonstop3h 14m

Chicago O'Hare Intl

Sat 8/24

1 stop7h 47m

$344

Great FallsChicago O'Hare Intl

GTF - ORD

GTFORD

Great Falls

Mon 7/29

2 stops20h 18m

Chicago O'Hare Intl

Sun 8/4

2 stops20h 22m

$471

Flights are sorted by cheapest first

Deals found on 5/31

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 May 31, 2024.
Read through reviews of airlines operating flights from Great Falls to Illinois, such as United Airlines, Delta 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
9,197 reviews
Check prices

Overall

8.1

Boarding

8.2

Food

7.3

Crew

8.6

Entertainment

7.3

Comfort

7.9

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
9,197 reviews
Alaska Airlines
8.1
Very good
9,197 reviews
Check prices

Overall

8.1

Boarding

8.2

Food

7.3

Crew

8.6

Entertainment

7.3

Comfort

7.9

Reviews

1 / 10

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

Delta
8.0
Very good
10,419 reviews
Alaska Airlines
8.1
Very good
9,197 reviews
Check prices

Overall

8.1

Boarding

8.2

Food

7.3

Crew

8.6

Entertainment

7.3

Comfort

7.9

Reviews

1 / 10

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

United Airlines
7.4
Good
10,763 reviews
Alaska Airlines
8.1
Very good
9,197 reviews
Check prices

Overall

8.1

Boarding

8.2

Food

7.3

Crew

8.6

Entertainment

7.3

Comfort

7.9

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 $319.

  • Are there last-minute flights available from Great Falls to Illinois for under $600?

    There are currently 3+ open flights from Great Falls to Illinois within the next 7 days for less than $600.

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

    On average you can expect to pay $513 for a flight from Great Falls to Illinois. The cheapest flight overall is $268 while the most popular route, (Great Falls - Chicago O'Hare Intl) is currently priced at $206.

  • 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 5/31.

  • 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 June is currently the most expensive (average of $326). 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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Alternative routes for Great Falls to Illinois
See prices for flight routes from nearby airports that may be better suited for you.

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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 2,784,634 searches. Data last updated May 31, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$152Average$307FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$217Average$374FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
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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

Hourly flight availability from Great Falls to Illinois

Find hourly flight availability from Great Falls to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 31, 2024.
0%of flight departuresEarly morningMidnight to 6 am
100%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

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How does Cheapflights help users find flights from Great Falls to Illinois?

When you search for this flight from Great Falls to Illinois, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Great Falls to Illinois?

Millions of users choose and trust Cheapflights to book the best flight deals from Great Falls to Illinois for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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Users can book flights with no change fees policies with our dedicated filters. Book flights from Great Falls to Illinois flexibly with Cheapflights today.

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