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$155+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
MTJ — ORD
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$289
(United Airlines)

One-way from

$155
(Southwest)

Popular in

December

Cheapest in

January

Average price

$339

Good round-trip deal

$488 or less

Good one-way deal

$350 or less
Provider with most accurate pricing for Montrose County-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Montrose County-Chicago (CHI) flights.
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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. 2% potential increase in price ($10 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 28, 2025.

This American Airlines deal was found by Cheapflights users on 3/27. 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.
Sat 6/1410:30 amMTJ - ORD
1 stop7h 05mAmerican Airlines
Mon 6/235:00 amORD - MTJ
1 stop5h 58mAmerican Airlines
Deal found 3/27$309
This United Airlines deal was found by Cheapflights users on 3/27. 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 4/111:30 pmMTJ - ORD
1 stop6h 50mUnited Airlines
Tue 4/157:10 amORD - MTJ
1 stop6h 25mUnited Airlines
Deal found 3/27$339
This Southwest deal was found by Cheapflights users on 3/27. 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.
Sat 5/3111:50 amMTJ - ORD
2 stops10h 50mSouthwest
Sat 6/77:00 amORD - MTJ
1 stop7h 20mSouthwest
Deal found 3/27$354
This Southwest deal was found by Cheapflights users on 3/25. 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.
Sat 5/2411:50 amMTJ - MDW
1 stop6h 00mSouthwest
Sat 5/315:20 amMDW - MTJ
1 stop6h 55mSouthwest
Deal found 3/25$364
This American Airlines deal was found by Cheapflights users on 3/27. 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.
Fri 5/211:57 amMTJ - STL
1 stop6h 32mAmerican Airlines
Mon 5/125:19 amSTL - MTJ
1 stop6h 58mAmerican Airlines
Deal found 3/27$409
This United deal was found by Cheapflights users on 3/27. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/241:40 pmMTJ - STL
1 stop7h 10mUnited Airlines
Sun 4/278:48 amSTL - MTJ
1 stop4h 47mUnited Airlines
Deal found 3/27$425
This Delta deal was found by Cheapflights users on 3/27. 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.
Thu 3/271:52 pmMTJ - MDW
1 stop7h 31mDelta
Sun 3/306:00 amMDW - MTJ
1 stop7h 57mDelta
Deal found 3/27$529

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 March 28, 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

Sat 6/14

10:30 am-6:35 pm

1 stop7h 05m

Chicago O'Hare Intl

Mon 6/23

5:00 am-9:58 am

1 stop5h 58m

$309

MontroseChicago

MTJ - ORD

MTJORD

Montrose County

Fri 4/11

1:30 pm-9:20 pm

1 stop6h 50m

Chicago O'Hare Intl

Tue 4/15

7:10 am-12:35 pm

1 stop6h 25m

$339

MontroseChicago

MTJ - ORD

MTJORD

Montrose County

Sat 5/31

11:50 am-11:40 pm

2 stops10h 50m

Chicago O'Hare Intl

Sat 6/7

7:00 am-1:20 pm

1 stop7h 20m

$354

MontroseChicago

MTJ - MDW

MTJMDW

Montrose County

Sat 5/24

11:50 am-6:50 pm

1 stop6h 00m

Chicago Midway

Sat 5/31

5:20 am-11:15 am

1 stop6h 55m

$364

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

Fri 5/2

11:57 am-7:29 pm

1 stop6h 32m

Lambert-St Louis

Mon 5/12

5:19 am-11:17 am

1 stop6h 58m

$409

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

Thu 4/24

1:40 pm-9:50 pm

1 stop7h 10m

Lambert-St Louis

Sun 4/27

8:48 am-12:35 pm

1 stop4h 47m

$425

MontroseChicago

MTJ - ORD

MTJORD

Montrose County

Thu 4/24

2:45 pm-11:05 pm

1 stop7h 20m

$220

MontroseChicago

MTJ - ORD

MTJORD

Montrose County

Mon 7/7

7:30 am-11:25 am

1 stop26h 55m

$264

MontroseChicago

MTJ - ORD

MTJORD

Montrose County

Sun 7/6

10:49 am-7:39 pm

1 stop7h 50m

$375

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

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 $323). 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 March 28, 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.

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 March 28, 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
8.1
Very good
4,273 reviews

Entertainment

7.6

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 Southwest, which is currently one of the cheapest options available, starting at $155. United Airlines flights start at $264 while deals on American Airlines start at $375 one-way.

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

    Most travelers choose Montrose County - Lambert-St Louis, Montrose County - Chicago O'Hare Intl 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 $445 for a flight from Montrose to Illinois. The cheapest flight overall is $258 while the most popular route, (Montrose County - Lambert-St Louis) is currently priced at $380.

  • 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 $323). 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 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$216Average$373FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$308Average$443FlexibilityNo cancel feeOn-time69%
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