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$194+ 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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
MTJ — ORD
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 junio 12, 2025.

Round-trip from

$249
(United Airlines)

One-way from

$194
(American Airlines)

Popular in

December

Cheapest in

August

Average price

$438

Good round-trip deal

$369 or less

Good one-way deal

$248 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. 6% potential increase in price ($25 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in June 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 junio 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/11. 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.
mié. 9/101:43 pmMTJ - PIA
1 stop6h 14mUnited Airlines
mar. 9/168:45 amPIA - MTJ
1 stop6h 43mUnited Airlines
Deal found 6/11$249
This American Airlines deal was found by Cheapflights users on 6/11. 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.
mié. 7/162:37 pmMTJ - ORD
1 stop8h 09mAmerican Airlines
mié. 7/235:00 amORD - MTJ
1 stop5h 57mAmerican Airlines
Deal found 6/11$249
This Southwest deal was found by Cheapflights users on 6/12. 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.
vie. 9/2611:45 amMTJ - MDW
2 stops9h 35mSouthwest
dom. 10/59:05 amMDW - MTJ
1 stop7h 35mSouthwest
Deal found 6/12$314
This Southwest deal was found by Cheapflights users on 6/12. 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.
vie. 8/1511:45 amMTJ - ORD
1 stop10h 20mSouthwest
lun. 8/187:00 amORD - MTJ
1 stop5h 10mSouthwest
Deal found 6/12$329
This United Airlines deal was found by Cheapflights users on 6/12. 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.
vie. 6/273:30 pmMTJ - ORD
1 stop6h 04mUnited Airlines
mar. 7/12:35 pmORD - MTJ
1 stop7h 16mUnited Airlines
Deal found 6/12$331
This United Airlines deal was found by Cheapflights users on 6/9. 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.
mié. 6/251:00 pmMTJ - STL
1 stop8h 15mUnited Airlines
dom. 6/294:45 pmSTL - MTJ
1 stop5h 06mUnited Airlines
Deal found 6/9$377
This American Airlines deal was found by Cheapflights users on 6/9. 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.
mar. 6/172:39 pmMTJ - STL
1 stop5h 15mAmerican Airlines
sáb. 6/215:37 amSTL - MTJ
1 stop5h 03mAmerican Airlines
Deal found 6/9$401
This Southwest deal was found by Cheapflights users on 6/10. 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.
vie. 7/251:55 pmMTJ - STL
2 stops10h 35mSouthwest
vie. 8/15:15 amSTL - MTJ
2 stops9h 00mSouthwest
Deal found 6/10$550

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 junio 12, 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

MontrosePeoria

MTJ - PIA

MTJPIA

Montrose County

mié. 9/10

1:43 pm-8:57 pm

1 stop6h 14m

Greater Peoria

mar. 9/16

8:45 am-2:28 pm

1 stop6h 43m

$249

MontroseChicago

MTJ - ORD

MTJORD

Montrose County

mié. 7/16

2:37 pm-11:46 pm

1 stop8h 09m

Chicago O'Hare Intl

mié. 7/23

5:00 am-9:57 am

1 stop5h 57m

$249

MontroseChicago

MTJ - MDW

MTJMDW

Montrose County

vie. 9/26

11:45 am-10:20 pm

2 stops9h 35m

Chicago Midway

dom. 10/5

9:05 am-3:40 pm

1 stop7h 35m

$314

MontroseChicago

MTJ - ORD

MTJORD

Montrose County

vie. 6/27

3:30 pm-9:10 pm

1 stop4h 40m

Chicago O'Hare Intl

mar. 7/1

2:35 pm-8:51 pm

1 stop7h 16m

$331

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

mié. 6/25

1:00 pm-10:15 pm

1 stop8h 15m

Lambert-St Louis

dom. 6/29

4:45 pm-8:51 pm

1 stop5h 06m

$377

MontroseChicago

MTJ - ORD

MTJORD

Montrose County

mié. 7/9

2:45 pm-11:05 pm

1 stop7h 20m

Chicago O'Hare Intl

vie. 7/11

7:00 am-1:15 pm

1 stop7h 15m

$435

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

mié. 6/25

2:39 pm-8:54 pm

1 stop5h 15m

Lambert-St Louis

dom. 6/29

8:05 pm-9:58 am

2 stops14h 53m

$546

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

vie. 7/25

1:55 pm-1:30 am

2 stops10h 35m

Lambert-St Louis

vie. 8/1

5:15 am-1:15 pm

2 stops9h 00m

$550

MontroseChicago

MTJ - ORD

MTJORD

Montrose County

mié. 8/13

2:37 pm-7:25 am

1 stop15h 48m

$194

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

mar. 6/17

2:39 pm-11:19 pm

1 stop7h 40m

$201

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 15 results
1
2

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 junio 12, 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.

Weekly flight availability from Montrose to Illinois

Explore weekly flight availability from Montrose to Illinois. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated junio 12, 2025.

The most flights from MTJ to USIL are scheduled on a Wednesday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 junio 12, 2025.
To help decide which airline to fly from Montrose to Illinois, see what other customers have to say about Southwest, United Airlines and American Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,287 reviews

Entertainment

7.6

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,287 reviews
Southwest
8.0
Very good
4,287 reviews

Entertainment

7.6

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,790 reviews
Southwest
8.0
Very good
4,287 reviews

Entertainment

7.6

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,287 reviews

Entertainment

7.6

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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.

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

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $194. United Airlines flights start at $226 while deals on Southwest start at $240 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 - Lambert-St Louis 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 $355 for a flight from Montrose to Illinois. The cheapest flight overall is $140 while the most popular route, (Montrose County - Chicago O'Hare Intl) is currently priced at $350.

  • 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.

See more FAQs

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Alternative routes for Montrose to Illinois

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Top 2 airlines flying from Montrose to Illinois

Discover the top 2 airlines 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$216Average$368FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$299Average$446FlexibilityNo cancel feeOn-time69%

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