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Cheap flights from Illinois to Great Falls (GTF) from $134

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 7/19. 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.
ORD — GTF
May 25 — Jun 11
From?
To?
Sat 5/25
Sat 6/1
1 adult, Economy
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What is the cheapest month to fly from Illinois to Great Falls?

The best pricing can be found in the month of January. Prices to Great Falls from Illinois average $407. You can even find prices in January for less than $407, as users have found deals to Great Falls from as low as $217. The month of December appears to be one of the more expensive times to travel to Great Falls from Illinois. Flying in the targeted month can save you up to 65%.

When is the cheapest time to fly from Illinois to Great Falls (IL - GTF)?

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.

Cheap Delta flights from Illinois to Great Falls

Explore cheap flight options specifically provided by Delta for the route between Illinois and Great Falls. 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 2,663,308 searches. Data last updated May 20, 2024.
Take a look at some of the lowest-priced Delta flights heading from Illinois to Great Falls. Be sure to come back soon if the deals available don't appeal to you at this time.
Tue 8/131:35 pmORD - GTF
2 stops10h 14mDelta
Mon 8/2612:30 pmGTF - ORD
1 stop8h 26mDelta
Deal found 5/19$223
Tue 8/131:35 pmORD - GTF
2 stops10h 14mDelta
Wed 8/2112:30 pmGTF - ORD
1 stop8h 26mDelta
Deal found 5/19$243
Sat 9/289:30 amORD - GTF
2 stops14h 21mDelta
Tue 10/15:34 pmGTF - ORD
2 stops23h 09mDelta
Deal found 5/18$267
Sat 9/2810:11 amMDW - GTF
2 stops13h 40mDelta
Tue 10/15:45 amGTF - MDW
1 stop6h 17mDelta
Deal found 5/18$278
Tue 7/99:29 amORD - GTF
2 stops9h 13mDelta
Mon 7/226:15 pmGTF - ORD
2 stops12h 15mDelta
Deal found 5/19$283
Sat 9/289:30 amORD - GTF
2 stops14h 21mDelta
Tue 10/15:34 pmGTF - ORD
2 stops23h 09mDelta
Deal found 5/19$287
Sat 9/285:00 pmMDW - GTF
1 stop6h 51mDelta
Tue 10/15:45 amGTF - MDW
1 stop6h 17mDelta
Deal found 5/19$293
Sat 9/2810:11 amMDW - GTF
2 stops13h 40mDelta
Tue 10/15:45 amGTF - MDW
1 stop6h 17mDelta
Deal found 5/19$298
Sat 9/285:00 pmORD - GTF
1 stop6h 37mDelta
Tue 10/112:30 pmGTF - ORD
1 stop8h 17mDelta
Deal found 5/19$303

Cheap United Airlines flights from Illinois to Great Falls

Explore cheap flight options specifically provided by United Airlines for the route between Illinois and Great Falls. 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 2,663,308 searches. Data last updated May 20, 2024.
Have a look at some of the cheapest available United Airlines flights departing from Illinois and landing in Great Falls. Deals are refreshing constantly so come back soon for more options.
Fri 8/93:50 pmORD - GTF
1 stop6h 28mUnited Airlines
Sun 8/252:25 pmGTF - ORD
1 stop6h 33mUnited Airlines
Deal found 5/19$298
Sat 8/103:50 pmORD - GTF
1 stop6h 28mUnited Airlines
Sat 8/1712:30 pmGTF - ORD
Nonstop3h 14mUnited Airlines
Deal found 5/19$344
Sat 8/103:50 pmORD - GTF
1 stop6h 28mUnited Airlines
Sat 8/177:00 amGTF - ORD
1 stop6h 51mUnited Airlines
Deal found 5/19$353
Sat 8/246:45 amPIA - GTF
2 stops7h 41mUnited Airlines
Tue 8/277:00 amGTF - PIA
2 stops7h 01mUnited Airlines
Deal found 5/19$379
Sat 8/246:45 amPIA - GTF
2 stops7h 41mUnited Airlines
Tue 8/277:00 amGTF - PIA
2 stops7h 01mUnited Airlines
Deal found 5/18$403
Mon 8/125:16 amORD - GTF
1 stop17h 02mUnited Airlines
Thu 8/222:25 pmGTF - ORD
1 stop7h 32mUnited Airlines
Deal found 5/19$406
Sat 8/107:25 amORD - GTF
2 stops14h 53mUnited Airlines
Sat 8/172:15 pmGTF - ORD
1 stop5h 49mUnited Airlines
Deal found 5/19$407
Sun 8/117:10 amORD - GTF
1 stop7h 08mUnited Airlines
Mon 8/262:25 pmGTF - ORD
1 stop6h 33mUnited Airlines
Deal found 5/19$413
Sat 8/108:50 amORD - GTF
Nonstop3h 35mUnited Airlines
Sat 8/1712:30 pmGTF - ORD
Nonstop3h 14mUnited Airlines
Deal found 5/19$453

Cheap Illinois to Great Falls flights in May & June 2024

Find cheap flight options from Illinois to Great Falls specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,663,308 searches. Prices were last updated on May 20, 2024.
These are some of the most attractive deals on flights from Illinois to Great Falls in 2024. More deals are always being added, so be sure to check back regularly.
Tue 6/112:35 pmORD - GTF
1 stop7h 28mUnited Airlines
Tue 6/182:17 pmGTF - ORD
1 stop7h 38mUnited Airlines
Deal found 5/20$353
Tue 6/118:00 amORD - GTF
2 stops16h 55mAlaska Airlines
Tue 6/184:11 pmGTF - ORD
1 stop6h 28mAlaska Airlines
Deal found 5/20$372
Tue 6/111:25 pmORD - GTF
2 stops10h 23mDelta
Tue 6/186:15 pmGTF - ORD
2 stops12h 17mDelta
Deal found 5/20$598
Fri 5/245:44 pmORD - GTF
1 stop6h 23mDelta
Tue 5/2812:00 pmGTF - ORD
1 stop5h 24mDelta
Deal found 5/19$608
Fri 5/247:10 pmMDW - GTF
1 stop4h 57mDelta
Tue 5/286:00 amGTF - MDW
1 stop6h 35mDelta
Deal found 5/19$608
Fri 5/2412:29 pmORD - GTF
2 stops11h 07mDelta
Tue 5/286:00 amGTF - ORD
1 stop7h 42mDelta
Deal found 5/19$613
Fri 5/242:15 pmMDW - GTF
2 stops9h 21mDelta
Tue 5/286:00 amGTF - MDW
1 stop6h 35mDelta
Deal found 5/19$703
Fri 5/243:50 pmORD - GTF
2 stops7h 46mDelta
Tue 5/285:45 amGTF - ORD
2 stops11h 32mDelta
Deal found 5/19$908
Fri 5/242:15 pmMDW - GTF
2 stops9h 21mDelta
Tue 5/286:00 amGTF - MDW
2 stops8h 50mDelta
Deal found 5/19$1,268

Illinois to Great Falls 2024 flight deals

Discover exclusive flight deals for travel between Illinois and Great Falls in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,663,308 searches. Data last updated May 20, 2024.
These are some of the most attractive deals on flights from Illinois to Great Falls in 2024. More deals are always being added, so be sure to check back regularly.
Tue 8/131:35 pmORD - GTF
2 stops10h 14mDelta
Tue 8/2712:30 pmGTF - ORD
1 stop8h 26mDelta
Deal found 5/19$223
Tue 8/131:35 pmORD - GTF
2 stops10h 14mDelta
Wed 8/2112:30 pmGTF - ORD
1 stop8h 26mDelta
Deal found 5/19$243
Sat 9/289:30 amORD - GTF
2 stops14h 21mDelta
Tue 10/15:34 pmGTF - ORD
2 stops23h 09mDelta
Deal found 5/18$267
Sat 8/101:35 pmORD - GTF
2 stops10h 14mDelta
Mon 8/2612:30 pmGTF - ORD
1 stop8h 26mDelta
Deal found 5/19$278
Sat 9/2810:11 amMDW - GTF
2 stops13h 40mDelta
Tue 10/15:45 amGTF - MDW
1 stop6h 17mDelta
Deal found 5/18$278
Tue 7/99:29 amORD - GTF
2 stops9h 13mDelta
Mon 7/226:15 pmGTF - ORD
2 stops12h 15mDelta
Deal found 5/20$283
Sat 9/289:30 amORD - GTF
2 stops14h 21mDelta
Tue 10/15:34 pmGTF - ORD
2 stops23h 09mDelta
Deal found 5/19$287
Sat 9/285:00 pmMDW - GTF
1 stop6h 51mDelta
Tue 10/15:45 amGTF - MDW
1 stop6h 17mDelta
Deal found 5/19$293
Fri 8/93:50 pmORD - GTF
1 stop6h 28mUnited Airlines
Sun 8/252:25 pmGTF - ORD
1 stop6h 33mUnited Airlines
Deal found 5/19$298

Non-stop flights to Great Falls from Illinois

Discover non-stop flight options from Illinois to Great Falls. 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 2,663,308 searches. Data last updated May 20, 2024.
To help reduce your travel time, choose from one of these non-stop flights from Illinois to Great Falls. Select from other flights from Illinois to Great Falls by using the search form above.
Sat 8/108:50 amORD - GTF
Nonstop3h 35mUnited Airlines
Sat 8/1712:30 pmGTF - ORD
Nonstop3h 14mUnited Airlines
Deal found 5/19$453

One-way flights to Great Falls from Illinois

Search for one-way flight options from Illinois to Great Falls. 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 2,663,308 searches. Data last updated May 20, 2024.
Users traveling one-way from Illinois to Great Falls can select one of these great deals. For those needing a return trip from Illinois, there is a search form available above.
Fri 7/191:31 pmORD - GTF
2 stops10h 02mDelta
Deal found 5/19$134
Tue 8/67:22 pmORD - GTF
1 stop29h 37mAlaska Airlines
Deal found 5/19$163
Thu 7/111:31 pmORD - GTF
2 stops10h 46mDelta
Deal found 5/19$169
Thu 7/111:31 pmORD - GTF
2 stops10h 46mDelta
Deal found 5/20$199
Tue 8/61:10 pmMDW - GTF
2 stops10h 23mDelta
Deal found 5/19$199
Fri 7/1910:14 amORD - GTF
1 stop7h 27mMultiple Airlines
Deal found 5/19$205
Sat 5/253:50 pmORD - GTF
1 stop5h 10mDelta
Deal found 5/19$224
Thu 7/117:22 pmORD - GTF
1 stop29h 37mAlaska Airlines
Deal found 5/20$233
Tue 8/66:35 amORD - GTF
2 stops18h 24mAlaska Airlines
Deal found 5/19$272

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 2,663,308 searches. Data last updated May 20, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$223 - $344

Route

Depart

Return

Price

Chicago O'Hare IntlGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Tue 8/13

2 stops10h 14m

Great Falls

Mon 8/26

1 stop8h 26m

$223

Chicago O'Hare IntlGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Tue 8/13

2 stops10h 14m

Great Falls

Wed 8/21

1 stop8h 26m

$243

Chicago O'Hare IntlGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Sat 9/28

2 stops14h 21m

Great Falls

Tue 10/1

2 stops23h 09m

$267

Chicago O'Hare IntlGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Sat 8/10

2 stops10h 14m

Great Falls

Tue 8/27

1 stop8h 26m

$278

Chicago O'Hare IntlGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Fri 8/9

1 stop6h 28m

Great Falls

Sun 8/25

1 stop6h 33m

$298

Chicago O'Hare IntlGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Wed 8/7

1 stop7h 09m

Great Falls

Tue 8/27

1 stop11h 09m

$310

Chicago O'Hare IntlGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Wed 8/7

1 stop7h 09m

Great Falls

Mon 8/26

2 stops11h 59m

$311

Chicago O'Hare IntlGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Wed 8/7

1 stop7h 09m

Great Falls

Fri 8/23

2 stops21h 30m

$326

Chicago O'Hare IntlGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

Sat 8/10

1 stop6h 28m

Great Falls

Sat 8/17

Nonstop3h 14m

$344

Flights are sorted by cheapest first

Deals found on 5/19

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

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 May 20, 2024.
Peruse reviews from past customers who have flown with Delta, United Airlines and Alaska Airlines 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
8.1
Very good
9,163 reviews
Check prices

Comfort

7.9

Entertainment

7.3

Boarding

8.2

Crew

8.6

Overall

8.1

Food

7.3

Reviews

1 / 10

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

Alaska Airlines
8.1
Very good
9,163 reviews
Alaska Airlines
8.1
Very good
9,163 reviews
Check prices

Comfort

7.9

Entertainment

7.3

Boarding

8.2

Crew

8.6

Overall

8.1

Food

7.3

Reviews

1 / 10

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

Delta
8.0
Very good
10,615 reviews
Alaska Airlines
8.1
Very good
9,163 reviews
Check prices

Comfort

7.9

Entertainment

7.3

Boarding

8.2

Crew

8.6

Overall

8.1

Food

7.3

Reviews

1 / 10

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

United Airlines
7.4
Good
10,894 reviews
Alaska Airlines
8.1
Very good
9,163 reviews
Check prices

Comfort

7.9

Entertainment

7.3

Boarding

8.2

Crew

8.6

Overall

8.1

Food

7.3

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 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 $300 on Cheapflights?

    Yes, there are multiple flights from Illinois to Great Falls for under $300. The cheapest flight booked recently is on Delta for just $223, but on average you can expect to pay $296.

  • Are there nonstop flights from Illinois to Great Falls for under $500 on Cheapflights?

    Cheapflights has at least 1 direct flight from Illinois to Great Falls under $500. A good price for a nonstop flight from Illinois to Great Falls is less than $453.

  • 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 ($134), Alaska Airlines ($163), and United Airlines ($518).

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

    While some choose either Chicago Midway - Great Falls or Lambert-St Louis - 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), Springfield Capital Airport (SPI) 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 5/20.

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 2,663,308 searches. Data last updated May 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$217Average$314FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$217Average$367FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
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Search flights from Illinois to Great Falls by cabin class

Find flights from Illinois to Great Falls, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Deals for Illinois to Great Falls flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights simply makes it quick and affordable to book flights from Illinois to Great Falls by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Yes! Cheapflights helps users easily find flights from Illinois to Great Falls with no change fees.

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

Yes, Cheapflights offers price alerts on Illinois to Great Falls flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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