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$200+ 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 3/28. Fares are subject to change and may not be available on all flights or dates of travel.
MTJ — ORD
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/3112:25 pmMTJ - ORD
Nonstop3h 09mUnited Airlines
Sun 1/48:50 amORD - MTJ
Nonstop3h 49mUnited Airlines
Deal found 12/16$359
This Delta deal was found by Cheapflights users on 12/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/223:08 pmMTJ - STL
1 stop7h 34mDelta
Tue 12/237:00 amSTL - MTJ
1 stop8h 12mDelta
Deal found 12/16$374
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Mon 12/221:34 pmMTJ - STL
2 stops8h 09mUnited Airlines
Thu 12/256:00 amSTL - MTJ
1 stop7h 21mUnited Airlines
Deal found 12/16$379
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/2412:25 pmMTJ - STL
1 stop5h 53mUnited Airlines
Thu 12/259:00 amSTL - MTJ
1 stop4h 38mUnited Airlines
Deal found 12/16$389
This Delta deal was found by Cheapflights users on 12/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/203:08 pmMTJ - STL
1 stop7h 34mDelta
Mon 12/227:00 amSTL - MTJ
1 stop8h 12mDelta
Deal found 12/16$429
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/2012:25 pmMTJ - ORD
Nonstop3h 09mUnited Airlines
Wed 12/248:50 amORD - MTJ
Nonstop3h 49mUnited Airlines
Deal found 12/17$434
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Fri 12/191:15 pmMTJ - STL
1 stop7h 46mUnited Airlines
Wed 12/249:00 amSTL - MTJ
1 stop6h 44mUnited Airlines
Deal found 12/16$444
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Fri 12/191:22 pmMTJ - STL
2 stops7h 21mUnited Airlines
Thu 12/259:00 amSTL - MTJ
1 stop4h 38mUnited Airlines
Deal found 12/16$449
This Delta deal was found by Cheapflights users on 12/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/203:08 pmMTJ - ORD
1 stop7h 54mDelta
Wed 12/245:30 amORD - MTJ
1 stop9h 42mDelta
Deal found 12/16$454
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/177:15 amMTJ - STL
2 stops10h 58mUnited Airlines
Wed 12/246:30 amSTL - MTJ
2 stops7h 08mUnited Airlines
Deal found 12/16$454
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/2412:25 pmMTJ - ORD
Nonstop3h 09mUnited Airlines
Thu 12/257:10 amORD - MTJ
1 stop6h 28mUnited Airlines
Deal found 12/16$469
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Tue 12/231:34 pmMTJ - ORD
1 stop6h 45mUnited Airlines
Thu 12/258:45 amORD - MTJ
1 stop4h 53mUnited Airlines
Deal found 12/16$479

Find flight deals from Montrose to Illinois

Keep the following information in mind while searching for Montrose to Illinois flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$229
(United Airlines)

One-way from

$200
(Southwest)

Popular in

November

Cheapest in

September

Average price

$473

Good round-trip deal

$359 or less

Good one-way deal

$233 or less
Provider with most accurate pricing for Montrose County-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Montrose County-Chicago (CHI) flights.
Search Deals
From Montrose County to Illinois
Search Deals
One-way flight from Montrose County to Illinois
Search Deals
Highest demand for flights based on searches. 28% potential increase in price ($174 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Montrose County to Illinois.
Search Deals
Price to beat on a one-way flight from Montrose County to Illinois.
Search Deals

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 December 18, 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

Fri 2/20

12:45 pm-4:49 pm

Nonstop3h 04m

Chicago O'Hare Intl

Tue 2/24

9:15 am-12:02 pm

Nonstop3h 47m

$229

MontroseChicago

MTJ - ORD

MTJORD

Montrose County

Wed 1/7

2:05 pm-11:59 pm

1 stop8h 54m

Chicago O'Hare Intl

Sun 1/11

5:30 am-1:08 pm

1 stop8h 38m

$274

MontrosePeoria

MTJ - PIA

MTJPIA

Montrose County

Thu 1/22

3:28 pm-8:47 pm

1 stop4h 19m

Greater Peoria

Sun 1/25

8:35 am-12:30 pm

1 stop4h 55m

$281

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

Fri 1/16

1:40 pm-10:00 pm

1 stop7h 20m

Lambert-St Louis

Tue 1/20

4:15 pm-8:17 pm

1 stop5h 02m

$281

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

Thu 1/15

1:32 pm-8:58 pm

1 stop6h 26m

Lambert-St Louis

Mon 1/19

2:45 pm-8:17 pm

1 stop6h 32m

$281

MontroseChicago

MTJ - MDW

MTJMDW

Montrose County

Fri 2/20

11:15 am-7:30 pm

1 stop7h 15m

Chicago Midway

Tue 2/24

7:50 pm-12:00 pm

2 stops17h 10m

$285

MontroseChicago

MTJ - ORD

MTJORD

Montrose County

Wed 1/14

1:05 pm-5:14 pm

Nonstop3h 09m

Chicago O'Hare Intl

Sun 1/18

7:00 am-12:30 pm

1 stop6h 30m

$319

MontroseChicago

MTJ - ORD

MTJORD

Montrose County

Thu 2/5

3:28 pm-11:59 pm

1 stop7h 31m

Chicago O'Hare Intl

Mon 2/9

7:00 am-12:30 pm

1 stop6h 30m

$329

MontroseChicago

MTJ - ORD

MTJORD

Montrose County

Wed 12/31

12:25 pm-4:34 pm

Nonstop3h 09m

Chicago O'Hare Intl

Sun 1/4

8:50 am-11:39 am

Nonstop3h 49m

$359

MontroseChicago

MTJ - ORD

MTJORD

Montrose County

Thu 1/1

7:00 am-1:19 pm

1 stop5h 19m

Chicago O'Hare Intl

Mon 1/5

8:50 am-11:39 am

Nonstop3h 49m

$378

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 29 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 $183). Flying from Montrose 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.

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 18, 2025.
Get a feel of what it's like to fly with 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.
United Airlines
7.4
Good
9,091 reviews

Overall

7.4

Crew

8.1

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

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
9,091 reviews
United Airlines
7.4
Good
9,091 reviews

Overall

7.4

Crew

8.1

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

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 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, Delta, and Southwest can get you from Montrose to Illinois in just under 3h 04m. Your travel time can differ by up to 5h 50m. Montrose and Illinois are separated by a distance of 1078 mi. This flight may include one or multiple stops.

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

    Most travelers choose Montrose County - Chicago O'Hare Intl, Montrose County - Lambert-St Louis or Montrose County - Chicago Midway 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 $391 for a flight from Montrose to Illinois. The cheapest flight overall is $124 while the most popular route, (Montrose County - Chicago O'Hare Intl) is currently priced at $309.

  • 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 $183). Flying from Montrose 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 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$299Average$461FlexibilityNo cancel feeOn-time69%

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