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Cheap flights from Great Falls (GTF) to Illinois from $108

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 8/7. 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 17 — Jun 241
From?
To?
Mon 6/17
Mon 6/24
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 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 3,117,830 searches. Prices were last updated on June 12, 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.
Wed 7/246:22 pmGTF - ORD
2 stops12h 08mDelta
Mon 7/295:15 pmORD - GTF
1 stop7h 03mDelta
Deal found 6/11$342
Fri 7/52:15 pmGTF - ORD
1 stop6h 41mUnited Airlines
Thu 7/113:50 pmORD - GTF
1 stop6h 28mUnited Airlines
Deal found 6/11$353
Wed 7/104:11 pmGTF - ORD
1 stop11h 29mAlaska Airlines
Thu 7/189:22 pmORD - GTF
1 stop27h 37mAlaska Airlines
Deal found 6/12$384
Thu 7/412:05 pmGTF - ORD
1 stop8h 39mDelta
Tue 7/95:15 pmORD - GTF
1 stop7h 03mDelta
Deal found 6/10$398
Wed 7/104:11 pmGTF - ORD
2 stops12h 04mAlaska Airlines
Thu 7/189:22 pmORD - GTF
1 stop27h 37mAlaska Airlines
Deal found 6/12$410
Wed 7/247:02 amGTF - ORD
1 stop20h 38mAlaska Airlines
Tue 7/308:40 amORD - GTF
1 stop7h 51mAlaska Airlines
Deal found 6/11$411
Thu 7/112:15 pmGTF - ORD
1 stop7h 40mUnited Airlines
Fri 7/199:08 pmORD - GTF
1 stop25h 10mUnited Airlines
Deal found 6/12$412
Thu 7/114:11 pmGTF - ORD
1 stop6h 28mAlaska Airlines
Thu 7/189:22 pmORD - GTF
1 stop27h 37mAlaska Airlines
Deal found 6/11$421
Wed 7/245:45 amGTF - ORD
1 stop5h 55mDelta
Mon 7/295:15 pmORD - GTF
1 stop7h 03mDelta
Deal found 6/11$428

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 3,117,830 searches. Data last updated June 12, 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.
Mon 10/284:08 pmGTF - ORD
1 stop6h 51mAlaska Airlines
Wed 10/307:00 amORD - GTF
1 stop9h 27mAlaska Airlines
Deal found 6/12$206
Thu 8/156:15 pmGTF - ORD
2 stops12h 15mDelta
Thu 8/291:31 pmORD - GTF
2 stops10h 02mDelta
Deal found 6/11$216
Fri 9/62:30 pmGTF - ORD
1 stop7h 27mUnited Airlines
Sun 9/87:10 amORD - GTF
1 stop7h 16mUnited Airlines
Deal found 6/11$249
Thu 8/156:00 amGTF - ORD
1 stop7h 44mDelta
Thu 8/291:31 pmORD - GTF
2 stops10h 02mDelta
Deal found 6/11$272
Mon 10/284:08 pmGTF - ORD
1 stop6h 51mAlaska Airlines
Wed 10/307:00 amORD - GTF
2 stops17h 59mAlaska Airlines
Deal found 6/12$281
Fri 9/610:30 amGTF - ORD
2 stops24h 33mMultiple Airlines
Sun 9/811:10 pmORD - GTF
1 stop12h 45mMultiple Airlines
Deal found 6/11$289
Fri 9/610:30 amGTF - ORD
3 stops28h 40mMultiple Airlines
Sun 9/811:10 pmORD - GTF
1 stop12h 45mMultiple Airlines
Deal found 6/11$311
Sat 9/285:45 amGTF - ORD
1 stop5h 55mDelta
Mon 9/305:19 pmORD - GTF
1 stop6h 49mDelta
Deal found 6/12$328
Wed 7/246:22 pmGTF - ORD
2 stops12h 08mDelta
Mon 7/295:15 pmORD - GTF
1 stop7h 03mDelta
Deal found 6/11$342

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 3,117,830 searches. Data last updated June 12, 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 8/76:22 pmGTF - ORD
2 stops12h 08mDelta
Deal found 6/11$108
Tue 7/94:11 pmGTF - ORD
1 stop11h 29mAlaska Airlines
Deal found 6/11$163
Wed 8/75:45 amGTF - ORD
1 stop5h 55mDelta
Deal found 6/11$174
Fri 7/55:45 amGTF - ORD
1 stop5h 58mDelta
Deal found 6/10$234
Tue 7/96:22 pmGTF - ORD
2 stops12h 08mDelta
Deal found 6/11$239
Tue 7/95:45 amGTF - MDW
2 stops11h 54mDelta
Deal found 6/11$289
Fri 7/57:02 amGTF - ORD
2 stops21h 13mAlaska Airlines
Deal found 6/10$302
Tue 7/96:00 amGTF - MDW
1 stop7h 09mDelta
Deal found 6/11$334
Wed 8/75:45 amGTF - MDW
2 stops11h 53mDelta
Deal found 6/11$339

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 3,117,830 searches. Data last updated June 12, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$206 - $311

Route

Depart

Return

Price

Great FallsChicago O'Hare Intl

GTF - ORD

GTFORD

Great Falls

Mon 10/28

1 stop6h 51m

Chicago O'Hare Intl

Wed 10/30

1 stop9h 27m

$206

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 8/15

2 stops12h 15m

Chicago O'Hare Intl

Thu 8/29

2 stops10h 02m

$216

Great FallsChicago O'Hare Intl

GTF - ORD

GTFORD

Great Falls

Fri 9/6

1 stop7h 27m

Chicago O'Hare Intl

Sun 9/8

1 stop7h 16m

$249

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

Mon 10/28

1 stop6h 51m

Chicago O'Hare Intl

Wed 10/30

2 stops17h 59m

$281

Great FallsChicago O'Hare Intl

GTF - ORD

GTFORD

Great Falls

Thu 8/15

1 stop6h 41m

Chicago O'Hare Intl

Sat 8/17

Nonstop3h 35m

$289

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

Fri 9/6

3 stops28h 40m

Chicago O'Hare Intl

Sun 9/8

1 stop12h 45m

$311

Flights are sorted by cheapest first

Deals found on 6/12

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 12, 2024.
Read through reviews of airlines operating flights from Great Falls to Illinois, such as Delta, Alaska Airlines and United 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
9,269 reviews

Comfort

7.9

Overall

8.1

Crew

8.6

Entertainment

7.3

Boarding

8.2

Food

7.3

Reviews

1 / 10

Great airline! I would fly with them again. Overall, very positive experience along every step of the way. I was so jazzed they offer direct flights from Denver to Anchorage! Great customer service.

Alaska Airlines
8.1
Very good
9,269 reviews
Alaska Airlines
8.1
Very good
9,269 reviews

Comfort

7.9

Overall

8.1

Crew

8.6

Entertainment

7.3

Boarding

8.2

Food

7.3

Reviews

1 / 10

Great airline! I would fly with them again. Overall, very positive experience along every step of the way. I was so jazzed they offer direct flights from Denver to Anchorage! Great customer service.

Delta
8.0
Very good
10,000 reviews
Alaska Airlines
8.1
Very good
9,269 reviews

Comfort

7.9

Overall

8.1

Crew

8.6

Entertainment

7.3

Boarding

8.2

Food

7.3

Reviews

1 / 10

Great airline! I would fly with them again. Overall, very positive experience along every step of the way. I was so jazzed they offer direct flights from Denver to Anchorage! Great customer service.

United Airlines
7.4
Good
10,000 reviews
Alaska Airlines
8.1
Very good
9,269 reviews

Comfort

7.9

Overall

8.1

Crew

8.6

Entertainment

7.3

Boarding

8.2

Food

7.3

Reviews

1 / 10

Great airline! I would fly with them again. Overall, very positive experience along every step of the way. I was so jazzed they offer direct flights from Denver to Anchorage! Great customer service.

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 Alaska Airlines for just $206, but on average you can expect to pay $292.

  • 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 6/12.

  • 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 $320). 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 3,117,830 searches. Data last updated June 12, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$152Average$307FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$250Average$376FlexibilityNo cancel feeOn-time69%
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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.
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