How long is the flight from Illinois to Grand Junction?

Departing from Illinois to Grand Junction will take you 6h 10m. 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, Lambert-St Louis - Grand Junction Regnl or Chicago Midway - Grand Junction Regnl when deciding on the best route from Illinois to Grand Junction.

What is the cheapest month to fly from Illinois to Grand Junction?

Due to multiple factors, expect to potentially pay more when booking in November. For low rates, September can be a great choice for travel to Grand Junction. Flights to Grand Junction from Illinois in September are about $500 on average during September, but can be found for as low as $267.

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.

$172+ Flights from Illinois to Grand Junction

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Cheap flight deals from Illinois to Grand Junction

Round-trip from	$269 (United Airlines)
One-way from	$172 (Kiwi.com)
Popular in	November
Cheapest in	September
Average price	$364

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. 8% potential increase in price ($46 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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Find 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 September 13, 2025.

Fri 10/316:15 pmORD - GJT

1 stop4h 43mUnited Airlines

Tue 11/41:35 pmGJT - ORD

1 stop5h 05mUnited Airlines

Deal found 9/12

$269

Sat 10/115:15 amSTL - GJT

1 stop5h 26mUnited Airlines

Sat 10/185:30 amGJT - STL

1 stop6h 14mUnited Airlines

Deal found 9/11

$269

Wed 12/109:00 amSTL - GJT

1 stop6h 39mUnited Airlines

Sat 12/131:37 pmGJT - STL

2 stops8h 08mUnited Airlines

Deal found 9/12

$289

Sat 9/272:17 pmORD - GJT

1 stop6h 55mUnited Airlines

Wed 10/16:13 pmGJT - ORD

1 stop4h 46mUnited Airlines

Deal found 9/12

$299

Fri 10/174:50 pmSTL - GJT

1 stop4h 32mUnited Airlines

Mon 10/206:13 pmGJT - STL

1 stop4h 45mUnited Airlines

Deal found 9/11

$306

Wed 11/125:18 amORD - GJT

1 stop5h 48mAmerican Airlines

Sun 11/164:32 pmGJT - ORD

1 stop5h 59mAmerican Airlines

Deal found 9/11

$314

Fri 10/317:50 amORD - GJT

1 stop5h 47mDelta

Tue 11/45:55 amGJT - ORD

2 stops9h 55mDelta

Deal found 9/12

$319

Sat 11/153:37 pmMLI - GJT

1 stop6h 10mAmerican Airlines

Tue 11/184:55 pmGJT - MLI

1 stop5h 08mAmerican Airlines

Deal found 9/12

$339

Thu 10/95:01 amORD - GJT

1 stop6h 45mUnited Airlines

Tue 10/211:35 pmGJT - ORD

1 stop5h 20mUnited Airlines

Deal found 9/11

$349

Sat 11/153:55 pmMLI - GJT

2 stops7h 03mUnited Airlines

Tue 11/185:30 amGJT - MLI

2 stops8h 50mUnited Airlines

Deal found 9/12

$349

Sat 9/275:15 amSTL - GJT

1 stop5h 26mUnited Airlines

Wed 10/15:30 amGJT - STL

1 stop6h 14mUnited Airlines

Deal found 9/12

$369

Sat 9/279:00 amMLI - GJT

1 stop4h 28mUnited Airlines

Wed 10/11:35 pmGJT - MLI

2 stops8h 08mUnited Airlines

Deal found 9/11

$374

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 September 13, 2025.

Wed 10/155:01 amORD - GJT

1 stop6h 45mUnited Airlines

Sat 10/185:30 amGJT - ORD

1 stop4h 58mUnited Airlines

Deal found 9/11

$269

Sat 11/153:37 pmMLI - GJT

1 stop6h 10mAmerican Airlines

Tue 11/184:55 pmGJT - MLI

1 stop5h 08mAmerican Airlines

Deal found 9/12

$339

Tue 11/116:15 pmORD - GJT

1 stop4h 43mUnited Airlines

Sat 11/155:30 amGJT - ORD

1 stop4h 53mUnited Airlines

Deal found 9/12

$269

Sat 10/115:15 amSTL - GJT

1 stop5h 26mUnited Airlines

Sat 10/185:30 amGJT - STL

1 stop6h 14mUnited Airlines

Deal found 9/11

$269

Sat 3/71:00 pmMDW - GJT

2 stops10h 30mDelta

Tue 3/105:56 amGJT - MDW

2 stops11h 12mDelta

Deal found 9/11

$600

Wed 12/109:00 amSTL - GJT

1 stop6h 39mUnited Airlines

Sat 12/131:37 pmGJT - STL

2 stops8h 08mUnited Airlines

Deal found 9/12

$289

Wed 11/1210:25 amORD - GJT

2 stops8h 56mAmerican Airlines

Sun 11/164:32 pmGJT - ORD

1 stop5h 59mAmerican Airlines

Deal found 9/11

$364

Sat 9/272:17 pmORD - GJT

1 stop6h 55mUnited Airlines

Wed 10/16:13 pmGJT - ORD

1 stop4h 46mUnited Airlines

Deal found 9/12

$299

Fri 10/174:50 pmSTL - GJT

1 stop4h 32mUnited Airlines

Mon 10/206:13 pmGJT - STL

1 stop4h 45mUnited Airlines

Deal found 9/11

$306

Fri 10/32:17 pmORD - GJT

1 stop7h 05mUnited Airlines

Sun 10/55:30 amGJT - ORD

1 stop4h 58mUnited Airlines

Deal found 9/12

$314

Sat 11/153:15 pmCMI - GJT

1 stop6h 32mAmerican Airlines

Tue 11/185:30 amGJT - CMI

1 stop8h 11mAmerican Airlines

Deal found 9/10

$490

Sat 11/153:55 pmMLI - GJT

2 stops7h 03mUnited Airlines

Tue 11/185:30 amGJT - MLI

2 stops8h 50mUnited Airlines

Deal found 9/12

$349

Last-minute flights from Illinois to Grand Junction
Discover last-minute flight deals from Illinois to Grand Junction. Data last updated September 13, 2025 and is based on user searches.

Sat 9/205:00 amORD - GJT

1 stop5h 40mUnited Airlines

Fri 9/261:35 pmGJT - ORD

1 stop5h 20mUnited Airlines

Deal found 9/10

$424

Sat 9/272:17 pmORD - GJT

1 stop6h 55mUnited Airlines

Wed 10/16:13 pmGJT - ORD

1 stop4h 46mUnited Airlines

Deal found 9/12

$299

Sat 9/275:15 amSTL - GJT

1 stop5h 26mUnited Airlines

Wed 10/15:30 amGJT - STL

1 stop6h 14mUnited Airlines

Deal found 9/12

$369

Sat 9/279:00 amMLI - GJT

1 stop4h 28mUnited Airlines

Wed 10/11:35 pmGJT - MLI

2 stops8h 08mUnited Airlines

Deal found 9/11

$374

Fri 10/32:17 pmORD - GJT

1 stop7h 05mUnited Airlines

Sun 10/55:30 amGJT - ORD

1 stop4h 58mUnited Airlines

Deal found 9/12

$314

Sat 10/44:09 pmORD - GJT

1 stop7h 02mUnited Airlines

Mon 10/66:13 pmGJT - ORD

1 stop4h 46mUnited Airlines

Deal found 9/12

$394

Thu 10/95:01 amORD - GJT

1 stop6h 45mUnited Airlines

Tue 10/211:35 pmGJT - ORD

1 stop5h 20mUnited Airlines

Deal found 9/11

$349

Sat 10/115:15 amSTL - GJT

1 stop5h 26mUnited Airlines

Sat 10/185:30 amGJT - STL

1 stop6h 14mUnited Airlines

Deal found 9/11

$269

Fri 10/174:50 pmSTL - GJT

1 stop4h 32mUnited Airlines

Mon 10/206:13 pmGJT - STL

1 stop4h 45mUnited Airlines

Deal found 9/11

$306

Fri 10/313:55 pmORD - GJT

1 stop7h 03mUnited Airlines

Wed 11/51:35 pmGJT - ORD

1 stop5h 05mUnited Airlines

Deal found 9/11

$269

Fri 10/317:50 amORD - GJT

1 stop5h 47mDelta

Tue 11/45:55 amGJT - ORD

2 stops9h 55mDelta

Deal found 9/12

$319

Fri 10/3112:03 pmORD - GJT

2 stops10h 36mAmerican Airlines

Wed 11/52:09 pmGJT - ORD

1 stop5h 59mAmerican Airlines

Deal found 9/11

$410

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 September 13, 2025.

Sun 10/55:35 amORD - GJT

2 stops12h 57mMultiple Airlines

Deal found 9/12

$172

Sun 10/58:25 amORD - GJT

1 stop8h 35mAmerican Airlines

Deal found 9/12

$216

Sat 10/114:50 pmSTL - GJT

1 stop4h 32mUnited Airlines

Deal found 9/12

$246

Mon 9/223:32 pmCMI - GJT

1 stop6h 37mAmerican Airlines

Deal found 9/11

$330

Tue 9/237:00 amCMI - GJT

1 stop6h 00mAmerican Airlines

Deal found 9/11

$340

Thu 9/184:40 pmSTL - GJT

1 stop4h 36mUnited Airlines

Deal found 9/11

$346

Wed 9/247:12 amCMI - GJT

2 stops12h 13mAmerican Airlines

Deal found 9/11

$421

Fri 9/267:12 amCMI - GJT

2 stops12h 26mAmerican Airlines

Deal found 9/11

$581

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

ChicagoGrand Junction

ORD - GJT

ORDGJT

Chicago O'Hare Intl

Wed 10/15

5:01 am-10:46 am

1 stop6h 45m

Grand Junction Regnl

Sat 10/18

5:30 am-11:28 am

1 stop4h 58m

$269

ChicagoGrand Junction

ORD - GJT

ORDGJT

Chicago O'Hare Intl

Tue 11/11

6:15 pm-9:58 pm

1 stop4h 43m

Grand Junction Regnl

Sat 11/15

5:30 am-11:23 am

1 stop4h 53m

$269

St. LouisGrand Junction

STL - GJT

STLGJT

Lambert-St Louis

Sat 10/11

5:15 am-9:41 am

1 stop5h 26m

Grand Junction Regnl

Sat 10/18

5:30 am-12:44 pm

1 stop6h 14m

$269

St. LouisGrand Junction

STL - GJT

STLGJT

Lambert-St Louis

Wed 12/10

9:00 am-2:39 pm

1 stop6h 39m

Grand Junction Regnl

Sat 12/13

1:37 pm-10:45 pm

2 stops8h 08m

$289

ChicagoGrand Junction

ORD - GJT

ORDGJT

Chicago O'Hare Intl

Sat 9/27

2:17 pm-8:12 pm

1 stop6h 55m

Grand Junction Regnl

Wed 10/1

6:13 pm-11:59 pm

1 stop4h 46m

$299

St. LouisGrand Junction

STL - GJT

STLGJT

Lambert-St Louis

Fri 10/17

4:50 pm-8:22 pm

1 stop4h 32m

Grand Junction Regnl

Mon 10/20

6:13 pm-11:58 pm

1 stop4h 45m

$306

ChicagoGrand Junction

ORD - GJT

ORDGJT

Chicago O'Hare Intl

Fri 10/3

2:17 pm-8:22 pm

1 stop7h 05m

Grand Junction Regnl

Sun 10/5

5:30 am-11:28 am

1 stop4h 58m

$314

MolineGrand Junction

MLI - GJT

MLIGJT

Moline Quad-City

Sat 11/15

3:37 pm-8:47 pm

1 stop6h 10m

Grand Junction Regnl

Tue 11/18

4:55 pm-11:03 pm

1 stop5h 08m

$339

MolineGrand Junction

MLI - GJT

MLIGJT

Moline Quad-City

Sat 11/15

3:55 pm-9:58 pm

2 stops7h 03m

Grand Junction Regnl

Tue 11/18

5:30 am-3:20 pm

2 stops8h 50m

$349

ChicagoGrand Junction

ORD - GJT

ORDGJT

Chicago O'Hare Intl

Wed 11/12

10:25 am-6:21 pm

2 stops8h 56m

Grand Junction Regnl

Sun 11/16

4:32 pm-11:31 pm

1 stop5h 59m

$364

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Showing 1-10 of 36 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, August is the cheapest month in which you can book a flight from Illinois to Grand Junction (average of $404). Flying from Illinois to Grand Junction in March is currently the most expensive (average of $509). 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 6h 10m. 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, Lambert-St Louis - Grand Junction Regnl or Chicago Midway - 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, August is the cheapest month in which you can book a flight from Illinois to Grand Junction (average of $404). Flying from Illinois to Grand Junction in March is currently the most expensive (average of $509). 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
American Airlines	Cheapest$293	Average$466	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$328	Average$480	FlexibilityNo cancel fee	On-time69%

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$172+ 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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap 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 September 13, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find 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 September 13, 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 September 13, 2025.

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?

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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 September 13, 2025.