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$281+ Cheap flights from Grand Junction (GJT) to Illinois

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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
GJT — ORD
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Grand Junction to Illinois

Cheapest flights from Grand Junction to Illinois
Explore the most affordable flight options available from Grand Junction to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2511:27 amGJT - ORD
1 stop6h 28mUnited Airlines
Mon 12/297:55 pmORD - GJT
2 stops17h 43mUnited Airlines
Deal found 12/10$572
This United Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/161:37 pmGJT - PIA
1 stop6h 19mUnited Airlines
Tue 12/308:35 amPIA - GJT
1 stop5h 03mUnited Airlines
Deal found 12/11$640
This United Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2611:27 amGJT - PIA
2 stops9h 12mUnited Airlines
Tue 12/308:35 amPIA - GJT
1 stop7h 02mUnited Airlines
Deal found 12/11$721
This American Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/267:00 amGJT - SPI
2 stops9h 44mAmerican Airlines
Tue 12/306:14 pmSPI - GJT
2 stops16h 50mAmerican Airlines
Deal found 12/11$765
This American Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/254:32 pmGJT - ORD
2 stops13h 37mAmerican Airlines
Mon 12/293:14 pmORD - GJT
2 stops7h 52mAmerican Airlines
Deal found 12/10$979

Find flight deals from Grand Junction to Illinois

Keep the following information in mind while searching for Grand Junction to Illinois flight deals. Data was last updated December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$281
(United Airlines)

Popular in

June

Cheapest in

January

Average price

$308
Provider with most accurate pricing for Grand Junction Regnl-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Grand Junction Regnl-Chicago (CHI) flights.
Search Deals
From Grand Junction Regnl to Illinois
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Grand Junction 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 2,558,603 searches. Data last updated December 12, 2025.
Use the filters below to find and compare flights from Grand Junction to Illinois that are best for you.

Fly from

Grand Junction

Fly to

Illinois

Route

Depart

Return

Price

Grand JunctionSt. Louis

GJT - STL

GJTSTL

Grand Junction Regnl

Sat 1/24

7:00 am-1:16 pm

1 stop5h 16m

Lambert-St Louis

Tue 1/27

4:15 pm-8:38 pm

1 stop5h 23m

$281

Grand JunctionChicago

GJT - ORD

GJTORD

Grand Junction Regnl

Sat 1/24

5:30 am-1:22 pm

1 stop6h 52m

Chicago O'Hare Intl

Tue 1/27

8:45 am-12:40 pm

1 stop4h 55m

$291

Grand JunctionPeoria

GJT - PIA

GJTPIA

Grand Junction Regnl

Fri 1/23

1:38 pm-8:47 pm

1 stop6h 09m

Greater Peoria

Tue 1/27

8:35 am-12:40 pm

1 stop5h 05m

$291

Grand JunctionChicago

GJT - ORD

GJTORD

Grand Junction Regnl

Thu 1/1

6:05 pm-11:59 pm

1 stop4h 54m

Chicago O'Hare Intl

Wed 1/7

1:55 pm-8:38 pm

1 stop7h 43m

$345

Grand JunctionSt. Louis

GJT - STL

GJTSTL

Grand Junction Regnl

Fri 1/2

7:00 am-1:20 pm

1 stop5h 20m

Lambert-St Louis

Sun 1/4

2:45 pm-8:31 pm

1 stop6h 46m

$499

Grand JunctionChicago

GJT - ORD

GJTORD

Grand Junction Regnl

Thu 12/25

11:27 am-6:55 pm

1 stop6h 28m

Chicago O'Hare Intl

Mon 12/29

7:55 pm-12:38 pm

2 stops17h 43m

$572

Grand JunctionPeoria

GJT - PIA

GJTPIA

Grand Junction Regnl

Fri 12/26

11:27 am-9:39 pm

2 stops9h 12m

Greater Peoria

Tue 12/30

8:35 am-2:37 pm

1 stop7h 02m

$721

Grand JunctionSpringfield

GJT - SPI

GJTSPI

Grand Junction Regnl

Fri 12/26

7:00 am-5:44 pm

2 stops9h 44m

Springfield Capital

Tue 12/30

6:14 pm-10:04 am

2 stops16h 50m

$765

Grand JunctionChicago

GJT - ORD

GJTORD

Grand Junction Regnl

Thu 12/25

4:32 pm-7:09 am

2 stops13h 37m

Chicago O'Hare Intl

Mon 12/29

3:14 pm-10:06 pm

2 stops7h 52m

$979

Grand JunctionChicago

GJT - MDW

GJTMDW

Grand Junction Regnl

Sat 1/10

7:40 am-10:07 pm

2 stops13h 27m

Chicago Midway

Sun 1/11

1:28 pm-10:02 pm

2 stops9h 34m

$1,658

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 11 results
1
2

Best time to book a flight from Grand Junction to Illinois

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

Cheapflights Insights

Everything you need to know about your flight from Grand Junction to Illinois

What is the cheapest month to book a flight from Grand Junction to Illinois?

Currently, August is the cheapest month in which you can book a flight from Grand Junction to Illinois (average of $183). Flying from Grand Junction to Illinois in April is currently the most expensive (average of $401). 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.

How much does it cost to fly round-trip from Grand Junction to Illinois?

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 December 12, 2025.
Peruse reviews from past customers who have flown with United Airlines and American Airlines from Grand Junction to Illinois to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,095 reviews

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
9,095 reviews
United Airlines
7.4
Good
9,095 reviews

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.2
Good
11,050 reviews
United Airlines
7.4
Good
9,095 reviews

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Grand Junction 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 Grand Junction to Illinois?

    Located just 4.3 mi from the city center, Grand Junction Regnl (GJT) is the airport most travelers will use when flying to Illinois from Grand Junction.

  • How long is the flight from Grand Junction to Illinois?

    A quick flight from Grand Junction to Illinois can take about 5h 16m. United Airlines provides one of the quickest options available for as low as $281. Grand Junction and Illinois are separated by a distance of 974 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Grand Junction to Illinois?

    While some choose either Grand Junction Regnl - Lambert-St Louis or Grand Junction Regnl - Bloomington-Normal, Grand Junction Regnl - Chicago O'Hare Intl is the most popular route from Grand Junction to Illinois.

  • Can I find deals for flights from Grand Junction to Illinois that include hotel bookings?

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

  • How can I find direct flights from Grand Junction to Illinois?

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

  • Can I find deals for business class flights from Grand Junction to Illinois?

    Yes. Cheapflights offers flight deals from Grand Junction 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.

  • What is the cheapest month to book a flight from Grand Junction to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Grand Junction to Illinois (average of $183). Flying from Grand Junction to Illinois in April is currently the most expensive (average of $401). 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.

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Top 2 airlines flying from Grand Junction to Illinois

Discover the top 2 airlines that operate flights from Grand Junction 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 2,558,603 searches. Data last updated December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$248Average$422FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$263Average$497FlexibilityNo cancel feeOn-time69%

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