What is the cheapest airline that flies from Illinois to Grand Junction Regnl?

United Airlines, American Airlines, and Delta are the most popular carriers operating from Illinois to Grand Junction Regnl

How long does it take to fly to Grand Junction?

The flight from Illinois to Grand Junction depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Chicago (a popular airport in Illinois) to Montrose (the most popular airport in Grand Junction), then the flight time is 3h 26m on average. If you fly from Peoria (another popular airport in Illinois) to Montrose, then the average flight time is 4h 55m.

What airlines fly to Grand Junction?

United Airlines, American Airlines and Southwest are the top three most popular airlines that fly to Grand Junction from Illinois according to our data. United Airlines is the first choice among our users, with 59% of people opting to fly with this airline when traveling to Grand Junction. Keep in mind that there are 3 different airlines that fly to Grand Junction on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Illinois to Grand Junction Regnl Airport?

Prices for flights from Illinois to Grand Junction Regnl Airport are updated daily.

How many operators does momondo search for flights from Illinois to Grand Junction Regnl Airport?

The number of operators available for flights from Illinois to Grand Junction Regnl Airport is 2 as of September 2025.

How old do you have to be to fly from Illinois to Grand Junction Regnl Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois to Grand Junction Regnl Airport.

What documentation or ID do you need to fly to Grand Junction Regnl Airport?

The required travel and health documents for your Grand Junction Regnl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Grand Junction Regnl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$153 Cheap Flights from Illinois to Grand Junction in 2025/26

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Find the cheapest flights from Illinois to Grand Junction

Round-trip

One-way

Last minute

Cheap round-trip flights

5:15 am - 9:41 amSTL-GJT

5h 26m1 stop

6:13 pm - 11:58 pmGJT-STL

4h 45m1 stop

$269United Airlines

Find Deal

Sat, Oct 18 - Wed, Oct 22

5:15 am - 9:41 amSTL-GJT

5h 26m1 stop

5:30 am - 3:44 pmGJT-STL

9h 14m2 stops

$274United Airlines

Find Deal

Sat, Oct 18 - Wed, Oct 22

9:43 am - 9:39 pmSTL-GJT

12h 56m2 stops

5:00 am - 3:41 pmGJT-STL

9h 41m2 stops

$279American Airlines

Find Deal

Sat, Oct 25 - Wed, Oct 29

6:28 pm - 10:11 pmORD-GJT

4h 43m1 stop

3:18 pm - 11:59 pmGJT-ORD

7h 41m1 stop

$299United Airlines

Find Deal

Tue, Oct 7 - Sat, Oct 11

4:50 pm - 8:22 pmSTL-GJT

4h 32m1 stop

6:13 pm - 11:58 pmGJT-STL

4h 45m1 stop

$313United Airlines

Find Deal

Fri, Oct 17 - Wed, Oct 22

5:18 am - 10:06 amORD-GJT

5h 48m1 stop

4:32 pm - 12:28 amGJT-ORD

6h 56m1 stop

$314American Airlines

Find Deal

Wed, Nov 12 - Sun, Nov 16

4:50 pm - 8:22 pmSTL-GJT

4h 32m1 stop

5:30 am - 3:44 pmGJT-STL

9h 14m2 stops

$318United Airlines

Find Deal

Fri, Oct 17 - Wed, Oct 22

7:37 am - 10:29 pmORD-GJT

15h 52m2 stops

5:55 am - 12:24 pmGJT-ORD

5h 29m1 stop

$444Delta

Find Deal

Thu, Oct 16 - Wed, Oct 22

7:50 am - 12:37 pmORD-GJT

5h 47m1 stop

5:55 am - 3:00 pmGJT-ORD

8h 05m2 stops

$495Delta

Find Deal

Wed, Oct 15 - Sat, Oct 18

10:54 am - 12:36 pmORD-GJT

26h 42m2 stops

1:16 pm - 6:25 amGJT-ORD

16h 09m1 stop

$646Multiple Airlines

Find Deal

Wed, Nov 26 - Sun, Nov 30

United Airlines flights from Illinois to Grand Junction

Our best United Airlines deals on Illinois to Grand Junction flight tickets

United Airlines

Oct 18

STL5:15 amLambert-St Louis

5h 26m

1 stop

GJT9:41 amGrand Junction Regnl

Oct 22

GJT6:13 pmGrand Junction Regnl

4h 45m

1 stop

STL11:58 pmLambert-St Louis

$269

Find similar

United Airlines

Oct 18

STL5:15 amLambert-St Louis

5h 26m

1 stop

GJT9:41 amGrand Junction Regnl

Oct 22

GJT5:30 amGrand Junction Regnl

9h 14m

2 stops

STL3:44 pmLambert-St Louis

$274

Find similar

United Airlines

Oct 7

ORD6:28 pmChicago O'Hare Intl

4h 43m

1 stop

GJT10:11 pmGrand Junction Regnl

Oct 11

GJT3:18 pmGrand Junction Regnl

7h 41m

1 stop

ORD11:59 pmChicago O'Hare Intl

$299

Find similar

American Airlines flights from Illinois to Grand Junction

Our best American Airlines deals on Illinois to Grand Junction flight tickets

American Airlines

Oct 25

STL9:43 amLambert-St Louis

12h 56m

2 stops

GJT9:39 pmGrand Junction Regnl

Oct 29

GJT5:00 amGrand Junction Regnl

9h 41m

2 stops

STL3:41 pmLambert-St Louis

$279

Find similar

American Airlines

Nov 12

ORD5:18 amChicago O'Hare Intl

5h 48m

1 stop

GJT10:06 amGrand Junction Regnl

Nov 16

GJT4:32 pmGrand Junction Regnl

6h 56m

1 stop

ORD12:28 amChicago O'Hare Intl

$314

Find similar

American Airlines

Nov 12

ORD10:25 amChicago O'Hare Intl

8h 56m

2 stops

GJT6:21 pmGrand Junction Regnl

Nov 16

GJT4:32 pmGrand Junction Regnl

6h 56m

1 stop

ORD12:28 amChicago O'Hare Intl

$319

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisGrand Junction

STL - GJT

STLGJT

Lambert-St Louis

Sat 10/18

5:15 am-9:41 am

1 stop5h 26m

Grand Junction Regnl

Wed 10/22

6:13 pm-11:58 pm

1 stop4h 45m

$269

St. LouisGrand Junction

STL - GJT

STLGJT

Lambert-St Louis

Sat 10/18

5:15 am-9:41 am

1 stop5h 26m

Grand Junction Regnl

Wed 10/22

5:30 am-3:44 pm

2 stops9h 14m

$274

St. LouisGrand Junction

STL - GJT

STLGJT

Lambert-St Louis

Sat 10/25

9:43 am-9:39 pm

2 stops12h 56m

Grand Junction Regnl

Wed 10/29

5:00 am-3:41 pm

2 stops9h 41m

$279

ChicagoGrand Junction

ORD - GJT

ORDGJT

Chicago O'Hare Intl

Tue 10/7

6:28 pm-10:11 pm

1 stop4h 43m

Grand Junction Regnl

Sat 10/11

3:18 pm-11:59 pm

1 stop7h 41m

$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

Wed 10/22

6:13 pm-11:58 pm

1 stop4h 45m

$313

ChicagoGrand Junction

ORD - GJT

ORDGJT

Chicago O'Hare Intl

Wed 11/12

5:18 am-10:06 am

1 stop5h 48m

Grand Junction Regnl

Sun 11/16

4:32 pm-12:28 am

1 stop6h 56m

$314

St. LouisGrand Junction

STL - GJT

STLGJT

Lambert-St Louis

Fri 10/17

4:50 pm-8:22 pm

1 stop4h 32m

Grand Junction Regnl

Wed 10/22

5:30 am-3:44 pm

2 stops9h 14m

$318

ChicagoGrand Junction

ORD - GJT

ORDGJT

Chicago O'Hare Intl

Thu 10/16

7:37 am-10:29 pm

2 stops15h 52m

Grand Junction Regnl

Wed 10/22

5:55 am-12:24 pm

1 stop5h 29m

$444

ChicagoGrand Junction

ORD - GJT

ORDGJT

Chicago O'Hare Intl

Wed 10/15

7:50 am-12:37 pm

1 stop5h 47m

Grand Junction Regnl

Sat 10/18

5:55 am-3:00 pm

2 stops8h 05m

$495

ChicagoGrand Junction

ORD - GJT

ORDGJT

Chicago O'Hare Intl

Wed 11/26

10:54 am-12:36 pm

2 stops26h 42m

Grand Junction Regnl

Sun 11/30

1:16 pm-6:25 am

1 stop16h 09m

$646

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Illinois to Grand Junction

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Grand Junction?

The cheapest month to fly to Grand Junction from Illinois is in September. Flight prices, which tend to average around $399, are often lower during this time because this is during the off-season. If you aren’t able to travel to Grand Junction during the month of September, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $435.

What is the cheapest day to depart on your flight to Grand Junction?

On average, the least expensive day to fly to Grand Junction from Illinois is on a Saturday. momondo users have found tickets for Saturday departures for as low as $459. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Illinois to Grand Junction on a Sunday will generally be more expensive and average around $600. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Grand Junction?

According to our data, the cheapest time of day to fly to Grand Junction is in the afternoon. momondo users have found flights departing from Illinois to Grand Junction in the afternoon for as low as $499. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights at noon are often more expensive with an average ticket price of $577.

Cheap Illinois to Grand Junction flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Grand Junction

Direct flights	None

There are no direct flights from Illinois to Grand Junction. There are no popular flight routes from Illinois to Grand Junction.

Search flight deals

When did momondo last update prices for flights from Illinois to Grand Junction Regnl Airport?
Prices for flights from Illinois to Grand Junction Regnl Airport are updated daily.
How many operators does momondo search for flights from Illinois to Grand Junction Regnl Airport?
The number of operators available for flights from Illinois to Grand Junction Regnl Airport is 2 as of September 2025.
How old do you have to be to fly from Illinois to Grand Junction Regnl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois to Grand Junction Regnl Airport.
What documentation or ID do you need to fly to Grand Junction Regnl Airport?
The required travel and health documents for your Grand Junction Regnl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Grand Junction Regnl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Illinois to Grand Junction

Compare and see reviews for airlines that fly from Illinois to Grand Junction with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $293	Free Cancellation	Rating 7.2 10,000 reviews		Search American Airlines flights
United Airlines	PriceFrom $328	Free Cancellation	Rating 7.4 8,922 reviews		Search United Airlines flights

Fruita

Parachute

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Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Grand Junction?

Finding the right flight to Grand Junction from Illinois is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Grand Junction quick and easy, saving you time and money.

Can I find flights from Illinois to Grand Junction with flexible booking policies on momondo?

Yes. All flights to Grand Junction from Illinois on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Illinois to Grand Junction?

Once you have performed a search for Illinois to Grand Junction flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Illinois to Grand Junction right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Illinois to Grand Junction now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Grand Junction and let you know when they change.