How long is the flight from Illinois to Grand Junction?

Departing from Illinois to Grand Junction will take you 4h 54m. Illinois and Grand Junction are separated by a distance of 961 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

In terms of precipitation, rainfall in Grand Junction ranges from 0.5 - 1.2 inches per month. September is typically the wettest month, when rainfall can reach 1.2 in. February is typically the driest time to visit Grand Junction when rainfall is around 0.5 in.

If weather is an important factor for your trip to Grand Junction, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.6 F).

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

Most travelers choose Chicago O'Hare Intl - Grand Junction Regnl, Chicago Midway - Grand Junction Regnl or Lambert-St Louis - Grand Junction Regnl when deciding on the best route from Illinois to Grand Junction.

What is the cheapest time of day to fly from IL to GJT?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Grand Junction as you normally would.

What airport do you fly into for flights to Grand Junction from Illinois?

If you book a flight to Grand Junction from Illinois, you will be flying to Grand Junction Regnl, which is the city’s only airport. Grand Junction Regnl (GJT) is located 4.3 mi from the center of Grand Junction.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Illinois to Grand Junction by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$142+ Flights from Illinois to Grand Junction

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Cheap flight deals from Illinois to Grand Junction

Cheapest flights from Illinois to Grand Junction
Explore the most affordable flight options available from Illinois to Grand Junction. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

Sun 12/148:40 amPIA - GJT

1 stop6h 59mUnited Airlines

Mon 1/56:05 pmGJT - PIA

1 stop25h 42mUnited Airlines

Deal found 12/13

$508

Tue 12/2312:45 pmORD - GJT

1 stop5h 19mUnited Airlines

Fri 12/263:12 pmGJT - ORD

1 stop7h 47mUnited Airlines

Deal found 12/14

$520

Mon 12/298:20 pmORD - GJT

2 stops17h 18mUnited Airlines

Mon 1/53:12 pmGJT - ORD

1 stop6h 48mUnited Airlines

Deal found 12/14

$613

Tue 12/301:55 pmORD - GJT

1 stop7h 36mUnited Airlines

Sat 1/36:05 pmGJT - ORD

1 stop14h 39mUnited Airlines

Deal found 12/14

$668

Mon 12/298:20 pmORD - GJT

2 stops17h 18mUnited Airlines

Sun 1/46:05 pmGJT - ORD

1 stop16h 20mUnited Airlines

Deal found 12/14

$770

Sun 12/289:40 pmORD - GJT

1 stop12h 43mUnited Airlines

Thu 1/111:27 amGJT - ORD

1 stop10h 33mUnited Airlines

Deal found 12/13

$780

Sun 12/285:45 pmSTL - GJT

2 stops16h 38mUnited Airlines

Thu 1/17:00 amGJT - STL

1 stop5h 20mUnited Airlines

Deal found 12/12

$818

Mon 12/296:00 amSTL - GJT

2 stops28h 23mUnited Airlines

Sat 1/36:05 pmGJT - STL

1 stop27h 17mUnited Airlines

Deal found 12/12

$858

Mon 12/296:44 pmSTL - GJT

1 stop16h 20mAmerican Airlines

Sat 1/36:44 pmGJT - STL

2 stops13h 12mAmerican Airlines

Deal found 12/12

$964

Sun 12/282:57 pmCMI - GJT

1 stop8h 09mAmerican Airlines

Thu 1/15:50 amGJT - CMI

1 stop7h 37mAmerican Airlines

Deal found 12/13

$1,020

Tue 12/239:50 amMDW - GJT

2 stops13h 57mDelta

Fri 12/265:51 amGJT - MDW

2 stops10h 28mDelta

Deal found 12/13

$1,799

Best flights from Illinois to Grand Junction
Discover carefully curated flight deals from Illinois to Grand Junction that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 15, 2025.

Fri 1/98:46 amMLI - GJT

1 stop4h 54mUnited Airlines

Fri 1/161:38 pmGJT - MLI

1 stop5h 56mUnited Airlines

Deal found 12/12

$221

Thu 1/15:25 pmORD - GJT

1 stop7h 01mAmerican Airlines

Sat 1/1711:56 amGJT - ORD

1 stop7h 09mAmerican Airlines

Deal found 12/15

$225

Tue 3/171:09 pmMDW - GJT

2 stops9h 44mDelta

Wed 3/257:41 amGJT - MDW

2 stops9h 59mDelta

Deal found 12/14

$227

Wed 1/76:00 pmSTL - GJT

1 stop5h 27mUnited Airlines

Sat 1/101:38 pmGJT - STL

1 stop6h 20mUnited Airlines

Deal found 12/12

$281

Thu 1/157:00 amORD - GJT

1 stop6h 40mUnited Airlines

Sun 1/186:10 pmGJT - ORD

1 stop4h 49mUnited Airlines

Deal found 12/13

$286

Sat 1/2410:47 amMLI - GJT

2 stops7h 07mUnited Airlines

Tue 1/271:38 pmGJT - MLI

1 stop5h 56mUnited Airlines

Deal found 12/12

$286

Thu 1/811:21 amMDW - GJT

2 stops11h 41mDelta

Tue 1/137:40 amGJT - MDW

2 stops9h 52mDelta

Deal found 12/15

$358

Mon 1/263:23 pmORD - GJT

1 stop7h 07mAmerican Airlines

Thu 1/2911:56 amGJT - ORD

1 stop7h 05mAmerican Airlines

Deal found 12/14

$371

Wed 1/281:55 pmORD - GJT

1 stop7h 43mUnited Airlines

Sat 1/316:10 pmGJT - ORD

1 stop4h 49mUnited Airlines

Deal found 12/12

$291

Sat 1/246:30 amPIA - GJT

2 stops11h 24mUnited Airlines

Tue 1/271:38 pmGJT - PIA

1 stop6h 09mUnited Airlines

Deal found 12/12

$296

Fri 3/135:30 amSTL - GJT

1 stop5h 33mUnited Airlines

Tue 3/176:15 pmGJT - STL

1 stop4h 19mUnited Airlines

Deal found 12/14

$335

Mon 1/2610:46 amMDW - GJT

2 stops12h 16mDelta

Thu 1/297:40 amGJT - MDW

2 stops9h 15mDelta

Deal found 12/14

$539

Thu 2/1211:46 amSTL - GJT

1 stop11h 12mAmerican Airlines

Mon 2/164:43 pmGJT - STL

1 stop15h 09mAmerican Airlines

Deal found 12/12

$708

Thu 4/309:30 amMDW - GJT

2 stops8h 10mDelta

Sat 5/27:41 amGJT - MDW

2 stops9h 24mDelta

Deal found 12/14

$745

Sun 12/282:57 pmCMI - GJT

1 stop8h 09mAmerican Airlines

Thu 1/15:50 amGJT - CMI

1 stop7h 37mAmerican Airlines

Deal found 12/13

$1,020

Sat 5/21:00 pmMDW - GJT

2 stops9h 50mDelta

Mon 5/47:41 amGJT - MDW

2 stops9h 50mDelta

Deal found 12/14

$1,514

Fri 5/11:00 pmMDW - GJT

2 stops9h 50mDelta

Sun 5/37:41 amGJT - MDW

2 stops9h 50mDelta

Deal found 12/14

$1,570

Thu 3/1910:49 amMDW - GJT

2 stops12h 04mDelta

Thu 3/267:41 amGJT - MDW

2 stops9h 14mDelta

Deal found 12/14

$1,691

Fri 3/201:09 pmMDW - GJT

2 stops9h 44mDelta

Fri 3/277:41 amGJT - MDW

2 stops8h 12mDelta

Deal found 12/14

$1,691

Last-minute flights from Illinois to Grand Junction
Discover last-minute flight deals from Illinois to Grand Junction. Data last updated December 15, 2025 and is based on user searches.

Thu 1/15:25 pmORD - GJT

1 stop7h 01mAmerican Airlines

Sat 1/1711:56 amGJT - ORD

1 stop7h 09mAmerican Airlines

Deal found 12/15

$225

Wed 1/76:00 pmSTL - GJT

1 stop5h 27mUnited Airlines

Sat 1/101:38 pmGJT - STL

1 stop6h 20mUnited Airlines

Deal found 12/12

$281

Thu 1/82:36 pmORD - GJT

1 stop7h 02mUnited Airlines

Tue 1/136:10 pmGJT - ORD

1 stop4h 49mUnited Airlines

Deal found 12/15

$211

Thu 1/810:19 amORD - GJT

2 stops9h 00mAmerican Airlines

Tue 1/1311:56 amGJT - ORD

1 stop7h 05mAmerican Airlines

Deal found 12/15

$310

Fri 1/98:45 amSTL - GJT

1 stop4h 55mUnited Airlines

Mon 1/125:30 amGJT - STL

1 stop6h 46mUnited Airlines

Deal found 12/15

$211

Fri 1/98:46 amMLI - GJT

1 stop4h 54mUnited Airlines

Fri 1/161:38 pmGJT - MLI

1 stop5h 56mUnited Airlines

Deal found 12/12

$221

Thu 1/157:00 amORD - GJT

1 stop6h 40mUnited Airlines

Sun 1/186:10 pmGJT - ORD

1 stop4h 49mUnited Airlines

Deal found 12/13

$286

Fri 1/167:00 amORD - GJT

1 stop6h 40mUnited Airlines

Tue 1/206:10 pmGJT - ORD

1 stop4h 49mUnited Airlines

Deal found 12/14

$385

Sat 1/2410:47 amMLI - GJT

2 stops10h 31mUnited Airlines

Tue 1/271:38 pmGJT - MLI

1 stop5h 56mUnited Airlines

Deal found 12/14

$286

Sat 1/246:30 amPIA - GJT

2 stops7h 10mUnited Airlines

Tue 1/271:38 pmGJT - PIA

1 stop6h 09mUnited Airlines

Deal found 12/14

$296

Mon 1/263:23 pmORD - GJT

1 stop7h 07mAmerican Airlines

Thu 1/2911:56 amGJT - ORD

1 stop7h 05mAmerican Airlines

Deal found 12/14

$371

Wed 1/282:36 pmORD - GJT

1 stop7h 02mUnited Airlines

Sat 1/313:21 pmGJT - ORD

1 stop7h 38mUnited Airlines

Deal found 12/14

$291

One-way flights from Illinois to Grand Junction
Search for one-way flight options from Illinois to Grand Junction. Find affordable one-way fares based on user searches. Data last updated December 15, 2025.

Sun 1/1810:41 pmORD - GJT

2 stops36h 48mMultiple Airlines

Deal found 12/13

$142

Mon 1/129:15 amMDW - GJT

3 stops26h 14mMultiple Airlines

Deal found 12/15

$175

Mon 1/125:05 amORD - GJT

1 stop8h 11mAmerican Airlines

Deal found 12/15

$216

Mon 1/121:55 pmORD - GJT

2 stops9h 07mDelta

Deal found 12/15

$221

Mon 1/121:28 pmMDW - GJT

2 stops9h 34mDelta

Deal found 12/15

$221

Thu 3/196:00 amORD - GJT

2 stops11h 40mDelta

Deal found 12/13

$253

Tue 12/235:00 amORD - GJT

1 stop7h 45mAmerican Airlines

Deal found 12/15

$296

Sat 3/218:55 pmORD - GJT

1 stop16h 37mMultiple Airlines

Deal found 12/13

$330

Sat 12/2710:10 pmSTL - GJT

1 stop15h 36mMultiple Airlines

Deal found 12/15

$333

Mon 12/2210:56 amORD - GJT

1 stop7h 08mUnited Airlines

Deal found 12/13

$371

Tue 12/232:01 pmMDW - GJT

3 stops47h 45mMultiple Airlines

Deal found 12/15

$377

Thu 3/194:49 pmORD - GJT

1 stop6h 10mAmerican Airlines

Deal found 12/13

$389

Find flight deals from Illinois to Grand Junction

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$211 (United Airlines)
One-way from	$142 (Kiwi.com)
Popular in	December
Cheapest in	January
Average price	$828

Provider with most accurate pricing for Chicago (CHI)-Grand Junction Regnl flight deals.

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Provider most trusted by Cheapflights users for Chicago (CHI)-Grand Junction Regnl flights.

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From Illinois to Grand Junction Regnl

Search Deals

One-way flight from Illinois to Grand Junction Regnl

Search Deals

Highest demand for flights based on searches. 9% potential increase in price ($53 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($31 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Illinois to Grand Junction that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MolineGrand Junction

MLI - GJT

MLIGJT

Moline Quad-City

Fri 1/9

8:46 am-12:40 pm

1 stop4h 54m

Grand Junction Regnl

Fri 1/16

1:38 pm-8:34 pm

1 stop5h 56m

$221

ChicagoGrand Junction

ORD - GJT

ORDGJT

Chicago O'Hare Intl

Thu 1/1

5:25 pm-11:26 pm

1 stop7h 01m

Grand Junction Regnl

Sat 1/17

11:56 am-8:05 pm

1 stop7h 09m

$225

ChicagoGrand Junction

MDW - GJT

MDWGJT

Chicago Midway

Tue 3/17

1:09 pm-9:53 pm

2 stops9h 44m

Grand Junction Regnl

Wed 3/25

7:41 am-6:40 pm

2 stops9h 59m

$227

St. LouisGrand Junction

STL - GJT

STLGJT

Lambert-St Louis

Wed 1/7

6:00 pm-10:27 pm

1 stop5h 27m

Grand Junction Regnl

Sat 1/10

1:38 pm-8:58 pm

1 stop6h 20m

$281

ChicagoGrand Junction

ORD - GJT

ORDGJT

Chicago O'Hare Intl

Thu 1/15

7:00 am-12:40 pm

1 stop6h 40m

Grand Junction Regnl

Sun 1/18

6:10 pm-11:59 pm

1 stop4h 49m

$286

MolineGrand Junction

MLI - GJT

MLIGJT

Moline Quad-City

Sat 1/24

10:47 am-4:54 pm

2 stops7h 07m

Grand Junction Regnl

Tue 1/27

1:38 pm-8:34 pm

1 stop5h 56m

$286

ChicagoGrand Junction

ORD - GJT

ORDGJT

Chicago O'Hare Intl

Wed 1/28

1:55 pm-8:38 pm

1 stop7h 43m

Grand Junction Regnl

Sat 1/31

6:10 pm-11:59 pm

1 stop4h 49m

$291

PeoriaGrand Junction

PIA - GJT

PIAGJT

Greater Peoria

Sat 1/24

6:30 am-4:54 pm

2 stops11h 24m

Grand Junction Regnl

Tue 1/27

1:38 pm-8:47 pm

1 stop6h 09m

$296

St. LouisGrand Junction

STL - GJT

STLGJT

Lambert-St Louis

Fri 3/13

5:30 am-10:03 am

1 stop5h 33m

Grand Junction Regnl

Tue 3/17

6:15 pm-11:34 pm

1 stop4h 19m

$335

ChicagoGrand Junction

MDW - GJT

MDWGJT

Chicago Midway

Thu 1/8

11:21 am-10:02 pm

2 stops11h 41m

Grand Junction Regnl

Tue 1/13

7:40 am-6:32 pm

2 stops9h 52m

$358

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Showing 1-10 of 32 results

Best time to book a flight from Illinois to Grand Junction

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

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

Currently, February is the cheapest month in which you can book a flight from Illinois to Grand Junction (average of $191). Flying from Illinois to Grand Junction in April is currently the most expensive (average of $344). 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.

Related info for your journey

What airport do you fly into for flights to Grand Junction from Illinois?
If you book a flight to Grand Junction from Illinois, you will be flying to Grand Junction Regnl, which is the city’s only airport. Grand Junction Regnl (GJT) is located 4.3 mi from the center of Grand Junction.
How long is the flight from Illinois to Grand Junction?
Departing from Illinois to Grand Junction will take you 4h 54m. Illinois and Grand Junction are separated by a distance of 961 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 Illinois to Grand Junction?
Most travelers choose Chicago O'Hare Intl - Grand Junction Regnl, Chicago Midway - Grand Junction Regnl or Lambert-St Louis - Grand Junction Regnl when deciding on the best route from Illinois to Grand Junction.
Can I find deals for flights from Illinois to Grand Junction that include hotel bookings?
Yes. In addition to deals on Illinois to Grand Junction flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Illinois to Grand Junction?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Grand Junction.
Can I find deals for business class flights from Illinois to Grand Junction?
Yes. Cheapflights offers flight deals from Illinois to Grand Junction 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 Illinois to Grand Junction?
Currently, February is the cheapest month in which you can book a flight from Illinois to Grand Junction (average of $191). Flying from Illinois to Grand Junction in April is currently the most expensive (average of $344). 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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Top 2 airlines flying from Illinois to Grand Junction

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$222	Average$450	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$248	Average$444	FlexibilityNo cancel fee	On-time71%

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$142+ Cheap flights from Illinois to Grand Junction (GJT)

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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Illinois to Grand Junction with Cheapflights

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Cheap flight deals from Illinois to Grand Junction

Cheapest flights from Illinois to Grand JunctionExplore the most affordable flight options available from Illinois to Grand Junction. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

Explore the most affordable flight options available from Illinois to Grand Junction. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

Find flight deals from Illinois to Grand Junction

Keep the following information in mind while searching for Illinois to Grand Junction flight deals. Data was last updated December 15, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Illinois to Grand Junction that are best for you.

Best time to book a flight from Illinois to Grand Junction

Have a flexible travel schedule? Discover the best time to fly to Grand Junction from Illinois with our price prediction graph.

Cheapflights Insights

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

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

Related info for your journey

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

How long is the flight from Illinois to Grand Junction?

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

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

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

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

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

Traveling to a place near Grand Junction?

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Alternative routes for Illinois to Grand Junction

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Top 2 airlines flying from Illinois to Grand Junction

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Cheapest flights from Illinois to Grand Junction
Explore the most affordable flight options available from Illinois to Grand Junction. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.