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$109+ Cheap flights from Montrose (MTJ) to Illinois

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 12/23. Fares are subject to change and may not be available on all flights or dates of travel.
MTJ — ORD
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Montrose to Illinois

Keep the following information in mind while searching for Montrose to Illinois flight deals. Data was last updated September 16, 2025.

Round-trip from

$263
(United Airlines)

One-way from

$109
(Delta)

Popular in

December

Cheapest in

September

Average price

$256

Good round-trip deal

$626 or less

Good one-way deal

$335 or less
From Montrose County to Illinois
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One-way flight from Montrose County to Illinois
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Highest demand for flights based on searches. 4% potential increase in price ($17 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Montrose County to Illinois.
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Price to beat on a one-way flight from Montrose County to Illinois.
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Find flight deals from Montrose to Illinois

Cheapest flights from Montrose to Illinois
Explore the most affordable flight options available from Montrose to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This United Airlines deal was found by Cheapflights users on 9/14. 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 10/163:25 pmMTJ - ORD
1 stop7h 34mUnited Airlines
Tue 10/2110:53 amORD - MTJ
1 stop4h 36mUnited Airlines
Deal found 9/14$263
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Sat 11/11:30 pmMTJ - ORD
1 stop5h 10mUnited Airlines
Sat 11/88:47 amORD - MTJ
1 stop4h 42mUnited Airlines
Deal found 9/16$269
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/163:25 pmMTJ - ORD
1 stop7h 34mUnited Airlines
Mon 10/207:10 amORD - MTJ
1 stop6h 36mUnited Airlines
Deal found 9/14$285
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 10/12:38 pmMTJ - PIA
1 stop7h 45mAmerican Airlines
Sat 10/46:54 amPIA - MTJ
1 stop7h 38mAmerican Airlines
Deal found 9/15$299
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Wed 10/12:38 pmMTJ - ORD
1 stop8h 21mAmerican Airlines
Sun 10/56:00 amORD - MTJ
1 stop8h 45mAmerican Airlines
Deal found 9/16$299
This United Airlines deal was found by Cheapflights users on 9/13. 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 10/171:45 pmMTJ - ORD
1 stop5h 40mUnited Airlines
Sun 10/197:10 amORD - MTJ
1 stop6h 36mUnited Airlines
Deal found 9/13$300
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/163:25 pmMTJ - ORD
1 stop7h 34mUnited Airlines
Sun 10/197:10 amORD - MTJ
1 stop6h 36mUnited Airlines
Deal found 9/14$311
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Wed 10/12:38 pmMTJ - STL
1 stop4h 37mAmerican Airlines
Sun 10/58:50 amSTL - MTJ
1 stop5h 55mAmerican Airlines
Deal found 9/16$321
This Southwest deal was found by Cheapflights users on 9/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2512:15 pmMTJ - MDW
1 stop5h 55mSouthwest
Fri 11/285:00 amMDW - MTJ
2 stops7h 05mSouthwest
Deal found 9/15$385
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 10/13:25 pmMTJ - PIA
1 stop4h 40mUnited Airlines
Sat 10/410:48 amPIA - MTJ
2 stops10h 31mUnited Airlines
Deal found 9/15$391
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Tue 9/302:38 pmMTJ - ORD
1 stop8h 21mAmerican Airlines
Sat 10/48:25 amORD - MTJ
1 stop6h 07mAmerican Airlines
Deal found 9/15$395
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 10/13:25 pmMTJ - PIA
1 stop4h 40mUnited Airlines
Sun 10/58:39 amPIA - MTJ
1 stop6h 50mUnited Airlines
Deal found 9/15$399

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montrose 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 September 16, 2025.
Use the filters below to find and compare flights from Montrose to Illinois that are best for you.

Fly from

Montrose

Fly to

Illinois

Route

Depart

Return

Price

MontroseChicago

MTJ - ORD

MTJORD

Montrose County

Thu 10/16

3:25 pm-11:59 pm

1 stop7h 34m

Chicago O'Hare Intl

Tue 10/21

10:53 am-2:29 pm

1 stop4h 36m

$263

MontroseChicago

MTJ - ORD

MTJORD

Montrose County

Sat 11/1

1:30 pm-7:40 pm

1 stop5h 10m

Chicago O'Hare Intl

Sat 11/8

8:47 am-12:29 pm

1 stop4h 42m

$269

MontroseChicago

MTJ - ORD

MTJORD

Montrose County

Thu 10/16

3:25 pm-11:59 pm

1 stop7h 34m

Chicago O'Hare Intl

Mon 10/20

7:10 am-12:46 pm

1 stop6h 36m

$285

MontroseChicago

MTJ - ORD

MTJORD

Montrose County

Thu 10/16

3:25 pm-11:59 pm

1 stop7h 34m

Chicago O'Hare Intl

Sun 10/19

7:10 am-12:46 pm

1 stop6h 36m

$311

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

Wed 10/1

2:38 pm-8:15 pm

1 stop4h 37m

Lambert-St Louis

Sun 10/5

8:50 am-1:45 pm

1 stop5h 55m

$321

MontroseChicago

MTJ - MDW

MTJMDW

Montrose County

Tue 11/25

12:15 pm-7:10 pm

1 stop5h 55m

Chicago Midway

Fri 11/28

5:00 am-11:05 am

2 stops7h 05m

$385

MontrosePeoria

MTJ - PIA

MTJPIA

Montrose County

Wed 10/1

3:25 pm-9:05 pm

1 stop4h 40m

Greater Peoria

Sat 10/4

10:48 am-8:19 pm

2 stops10h 31m

$391

MontroseChicago

MTJ - ORD

MTJORD

Montrose County

Tue 9/30

2:38 pm-11:59 pm

1 stop8h 21m

Chicago O'Hare Intl

Sat 10/4

8:25 am-1:32 pm

1 stop6h 07m

$395

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

Wed 10/1

7:30 am-12:44 pm

1 stop4h 14m

Lambert-St Louis

Sun 10/5

5:00 am-12:46 pm

2 stops8h 46m

$401

MontroseChicago

MTJ - ORD

MTJORD

Montrose County

Sat 11/1

7:30 am-1:46 pm

1 stop5h 16m

Chicago O'Hare Intl

Sat 11/8

8:00 am-7:19 pm

2 stops12h 19m

$407

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 33 results
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Best time to book a flight from Montrose to Illinois

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

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

Currently, August is the cheapest month in which you can book a flight from Montrose to Illinois (average of $245). Flying from Montrose to Illinois in March is currently the most expensive (average of $321). 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.

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

Find hourly flight availability from Montrose to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

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

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 September 16, 2025.
Get a feel of what it's like to fly with Southwest and United Airlines from Montrose to Illinois by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,924 reviews
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

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

    Montrose County (MTJ), located 2.3 mi from the city center, is the airport you fly out of when you book flights from Montrose to Illinois.

  • How long is the flight from Montrose to Illinois?

    United Airlines, American Airlines, and Southwest can get you from Montrose to Illinois in just under 4h 37m. Your travel time can differ by up to 2h 57m. Montrose and Illinois are separated by a distance of 944 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Montrose to Illinois one-way?

    To fly one-way, consider booking your trip with Southwest, which is currently one of the cheapest options available, starting at $196. United Airlines flights start at $235 while deals on Delta start at $334 one-way.

  • What are the most popular routes from Montrose to Illinois?

    Most travelers choose Montrose County - Chicago O'Hare Intl, Montrose County - Chicago Midway or Montrose County - Greater Peoria when deciding on the best route from Montrose to Illinois.

  • What are the cheapest flights from Montrose to Illinois?

    On average you can expect to pay $480 for a flight from Montrose to Illinois. The cheapest flight overall is $233 while the most popular route, (Montrose County - Chicago O'Hare Intl) is currently priced at $263.

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

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

  • How can I find direct flights from Montrose to Illinois?

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

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

    Yes. Cheapflights offers flight deals from Montrose 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 Montrose to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Montrose to Illinois (average of $245). Flying from Montrose to Illinois in March is currently the most expensive (average of $321). 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 airline flying from Montrose to Illinois

Discover the top airline that operate flights from Montrose 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$299Average$440FlexibilityNo cancel feeOn-time69%

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