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Cheap flights from Great Falls (GTF) to Illinois from $109

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 5/29. 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
May 14 — May 211
From?
To?
Tue 5/14
Tue 5/21
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 $338. 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 June.

When is the cheapest time to fly from Great Falls to Illinois (GTF - 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 Alaska Airlines flights from Great Falls to Illinois

Explore cheap flight options specifically provided by Alaska 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 2,717,708 searches. Data last updated May 9, 2024.
Take a peek at the cheapest Alaska Airlines flights we've detected traveling from Great Falls to Illinois. Make sure to check back often as deals are often changing.
Mon 10/284:08 pmGTF - ORD
1 stop6h 51mAlaska Airlines
Wed 10/307:00 amORD - GTF
2 stops17h 59mAlaska Airlines
Deal found 5/8$371
Mon 10/286:00 amGTF - ORD
2 stops22h 28mAlaska Airlines
Wed 10/306:20 amORD - GTF
1 stop18h 39mAlaska Airlines
Deal found 5/8$374
Mon 10/284:08 pmGTF - ORD
1 stop6h 51mAlaska Airlines
Wed 10/305:54 pmORD - GTF
1 stop7h 05mAlaska Airlines
Deal found 5/9$403
Wed 10/163:48 pmGTF - ORD
2 stops12h 42mAlaska Airlines
Sun 10/207:00 amORD - GTF
2 stops17h 59mAlaska Airlines
Deal found 5/8$409
Sat 6/14:06 pmGTF - ORD
1 stop27h 18mAlaska Airlines
Sat 6/88:00 amORD - GTF
2 stops16h 55mAlaska Airlines
Deal found 5/8$429
Wed 10/163:48 pmGTF - ORD
2 stops12h 42mAlaska Airlines
Sun 10/208:40 amORD - GTF
1 stop16h 19mAlaska Airlines
Deal found 5/8$434
Wed 10/163:48 pmGTF - ORD
1 stop7h 11mAlaska Airlines
Sun 10/206:00 amORD - GTF
1 stop18h 59mAlaska Airlines
Deal found 5/8$446
Sat 9/284:31 pmGTF - ORD
1 stop11h 09mAlaska Airlines
Mon 9/305:59 pmORD - GTF
1 stop22h 09mAlaska Airlines
Deal found 5/8$469
Mon 7/17:02 amGTF - ORD
2 stops22h 18mAlaska Airlines
Thu 7/118:00 amORD - GTF
2 stops16h 59mAlaska Airlines
Deal found 5/8$480

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 2,717,708 searches. Data last updated May 9, 2024.
Take a gander at the lowest prices we've found on United Airlines flights from Great Falls to Illinois. Deals are refreshing constantly so come back soon for more options.
Sat 6/112:30 pmGTF - ORD
Nonstop3h 14mUnited Airlines
Sat 6/88:50 amORD - GTF
Nonstop3h 35mUnited Airlines
Deal found 5/8$279
Sat 6/12:25 pmGTF - ORD
1 stop8h 34mUnited Airlines
Sat 6/88:50 amORD - GTF
Nonstop3h 35mUnited Airlines
Deal found 5/8$288
Thu 8/222:25 pmGTF - ORD
1 stop7h 32mUnited Airlines
Mon 8/267:10 amORD - GTF
1 stop7h 16mUnited Airlines
Deal found 5/8$298
Sat 6/12:25 pmGTF - ORD
1 stop8h 34mUnited Airlines
Sat 6/82:35 pmORD - GTF
1 stop7h 28mUnited Airlines
Deal found 5/8$353
Sat 5/2512:30 pmGTF - ORD
Nonstop3h 14mUnited Airlines
Sun 5/262:35 pmORD - GTF
1 stop7h 28mUnited Airlines
Deal found 5/8$363
Thu 8/222:25 pmGTF - ORD
2 stops23h 13mUnited Airlines
Mon 8/262:30 pmORD - GTF
1 stop7h 47mUnited Airlines
Deal found 5/8$396
Sat 5/256:45 amGTF - ORD
1 stop7h 10mUnited Airlines
Sun 5/262:35 pmORD - GTF
1 stop7h 28mUnited Airlines
Deal found 5/8$428
Mon 7/17:00 amGTF - ORD
1 stop13h 56mUnited Airlines
Thu 7/118:32 pmORD - GTF
1 stop17h 46mUnited Airlines
Deal found 5/8$545

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 2,717,708 searches. Prices were last updated on May 9, 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.
Sat 5/2512:30 pmGTF - ORD
Nonstop3h 14mUnited Airlines
Sun 5/262:35 pmORD - GTF
1 stop7h 28mUnited Airlines
Deal found 5/8$363
Sat 5/256:45 amGTF - ORD
1 stop7h 10mUnited Airlines
Sun 5/262:35 pmORD - GTF
1 stop7h 28mUnited Airlines
Deal found 5/8$428
Sat 5/255:45 amGTF - ORD
2 stops10h 04mDelta
Sun 5/265:15 pmORD - GTF
1 stop6h 21mDelta
Deal found 5/8$478
Sat 5/255:45 amGTF - ORD
2 stops10h 04mDelta
Sun 5/266:07 amORD - GTF
2 stops17h 29mDelta
Deal found 5/8$491
Sat 5/255:45 amGTF - MDW
2 stops10h 10mDelta
Sun 5/2611:59 amMDW - GTF
2 stops24h 13mDelta
Deal found 5/8$553
Sat 5/255:45 amGTF - MDW
2 stops10h 10mDelta
Sun 5/2611:59 amMDW - GTF
1 stop9h 01mDelta
Deal found 5/8$660
Sat 5/256:00 amGTF - MDW
1 stop9h 55mDelta
Sun 5/2611:59 amMDW - GTF
1 stop9h 01mDelta
Deal found 5/8$860

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 2,717,708 searches. Data last updated May 9, 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.
Sat 9/2812:30 pmGTF - ORD
1 stop8h 17mDelta
Mon 9/301:35 pmORD - GTF
2 stops10h 02mDelta
Deal found 5/9$358
Sat 5/2512:30 pmGTF - ORD
Nonstop3h 14mUnited Airlines
Sun 5/262:35 pmORD - GTF
1 stop7h 28mUnited Airlines
Deal found 5/8$363
Wed 7/314:11 pmGTF - ORD
2 stops12h 04mAlaska Airlines
Tue 8/69:22 pmORD - GTF
1 stop27h 37mAlaska Airlines
Deal found 5/9$374
Wed 7/314:11 pmGTF - ORD
2 stops12h 04mAlaska Airlines
Tue 8/68:00 amORD - GTF
2 stops16h 59mAlaska Airlines
Deal found 5/9$389
Mon 10/284:08 pmGTF - ORD
1 stop6h 51mAlaska Airlines
Wed 10/305:54 pmORD - GTF
1 stop7h 05mAlaska Airlines
Deal found 5/9$403
Mon 10/2812:30 pmGTF - ORD
1 stop8h 17mDelta
Wed 10/301:35 pmORD - GTF
2 stops10h 16mDelta
Deal found 5/9$413
Sat 5/256:45 amGTF - ORD
1 stop7h 10mUnited Airlines
Sun 5/262:35 pmORD - GTF
1 stop7h 28mUnited Airlines
Deal found 5/8$428
Sat 9/2812:30 pmGTF - ORD
1 stop8h 17mDelta
Mon 9/303:50 pmORD - GTF
1 stop8h 01mDelta
Deal found 5/9$453
Wed 7/312:15 pmGTF - ORD
1 stop7h 40mUnited Airlines
Tue 8/68:32 pmORD - GTF
1 stop17h 46mUnited Airlines
Deal found 5/9$467

Non-stop flights to Illinois from Great Falls

Discover non-stop flight options from Great Falls to Illinois. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,717,708 searches. Data last updated May 9, 2024.
For a shorter flight, select one of these non-stop flights from Great Falls to Illinois. Select from other flights from Great Falls to Illinois by using the search form above.
Sat 6/112:30 pmGTF - ORD
Nonstop3h 14mUnited Airlines
Sat 6/88:50 amORD - GTF
Nonstop3h 35mUnited Airlines
Deal found 5/8$279

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 2,717,708 searches. Data last updated May 9, 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.
Wed 5/2912:00 pmGTF - ORD
1 stop5h 24mDelta
Deal found 5/8$109
Thu 5/305:45 amGTF - ORD
1 stop5h 55mDelta
Deal found 5/8$129
Tue 7/166:15 pmGTF - ORD
2 stops12h 17mDelta
Deal found 5/8$174
Wed 5/294:06 pmGTF - ORD
2 stops11h 34mAlaska Airlines
Deal found 5/8$178
Thu 5/304:06 pmGTF - ORD
2 stops11h 34mAlaska Airlines
Deal found 5/8$207
Tue 7/164:11 pmGTF - ORD
1 stop11h 29mAlaska Airlines
Deal found 5/8$223
Thu 5/306:00 amGTF - MDW
1 stop6h 35mDelta
Deal found 5/9$344
Thu 5/306:00 amGTF - MDW
2 stops10h 58mDelta
Deal found 5/9$414

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 2,717,708 searches. Data last updated May 9, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$279 - $512

Route

Depart

Return

Price

Great FallsChicago O'Hare Intl

GTF - ORD

GTFORD

Great Falls

Sat 6/1

Nonstop3h 14m

Chicago O'Hare Intl

Sat 6/8

Nonstop3h 35m

$279

Great FallsChicago O'Hare Intl

GTF - ORD

GTFORD

Great Falls

Sat 6/1

1 stop8h 34m

Chicago O'Hare Intl

Sat 6/8

Nonstop3h 35m

$288

Great FallsChicago O'Hare Intl

GTF - ORD

GTFORD

Great Falls

Thu 8/22

1 stop7h 32m

Chicago O'Hare Intl

Mon 8/26

1 stop7h 16m

$298

Great FallsChicago O'Hare Intl

GTF - ORD

GTFORD

Great Falls

Tue 6/25

2 stops11h 34m

Chicago O'Hare Intl

Tue 7/9

2 stops10h 05m

$313

Great FallsChicago O'Hare Intl

GTF - ORD

GTFORD

Great Falls

Sat 9/28

1 stop8h 17m

Chicago O'Hare Intl

Mon 9/30

2 stops10h 21m

$338

Great FallsChicago O'Hare Intl

GTF - ORD

GTFORD

Great Falls

Wed 6/26

2 stops11h 34m

Chicago O'Hare Intl

Wed 7/10

2 stops11h 17m

$348

Great FallsChicago O'Hare Intl

GTF - ORD

GTFORD

Great Falls

Mon 10/28

1 stop6h 51m

Chicago O'Hare Intl

Wed 10/30

2 stops17h 59m

$371

Great FallsChicago O'Hare Intl

GTF - ORD

GTFORD

Great Falls

Mon 10/28

2 stops22h 28m

Chicago O'Hare Intl

Wed 10/30

1 stop18h 39m

$374

Great FallsChicago O'Hare Intl

GTF - ORD

GTFORD

Great Falls

Mon 5/20

2 stops20h 38m

Chicago O'Hare Intl

Thu 5/23

2 stops24h 11m

$512

Flights are sorted by cheapest first

Deals found on 5/8

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

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 9, 2024.
Read through reviews of airlines operating flights from Great Falls to Illinois, such as Alaska Airlines, United Airlines and Delta. 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
9,142 reviews
Check prices

Overall

8.1

Food

7.3

Entertainment

7.3

Comfort

7.9

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Alaska Airlines
8.1
Very good
9,142 reviews
Alaska Airlines
8.1
Very good
9,142 reviews
Check prices

Overall

8.1

Food

7.3

Entertainment

7.3

Comfort

7.9

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Delta
8.0
Very good
10,778 reviews
Alaska Airlines
8.1
Very good
9,142 reviews
Check prices

Overall

8.1

Food

7.3

Entertainment

7.3

Comfort

7.9

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

United Airlines
7.4
Good
11,027 reviews
Alaska Airlines
8.1
Very good
9,142 reviews
Check prices

Overall

8.1

Food

7.3

Entertainment

7.3

Comfort

7.9

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

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 United Airlines for just $279, but on average you can expect to pay $370.

  • Are there nonstop flights from Great Falls to Illinois for under $300 on Cheapflights?

    Cheapflights has at least 1 direct flight from Great Falls to Illinois under $300. A good price for a nonstop flight from Great Falls to Illinois is less than $279.

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

    On average you can expect to pay $515 for a flight from Great Falls to Illinois. The cheapest flight overall is $272 while the most popular route, (Great Falls - Chicago O'Hare Intl) is currently priced at $223.

  • 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 5/9.

See more FAQs

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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 2,717,708 searches. Data last updated May 9, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$159Average$332FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$217Average$376FlexibilityNo 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
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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.

Can Cheapflights find flights from Great Falls to Illinois with no change fees?

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

Can Cheapflights notify me if prices for flights from Great Falls to Illinois become cheaper?

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