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$165+ 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 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
MTJ — ORD
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$309
(American Airlines)

One-way from

$165
(American Airlines)

Popular in

December

Cheapest in

August

Average price

$444

Good round-trip deal

$411 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. 3% potential increase in price ($16 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Price to beat on a round-trip 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 May 1, 2025.

This American Airlines deal was found by Cheapflights users on 4/30. 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 7/112:37 pmMTJ - ORD
1 stop7h 15mAmerican Airlines
Sun 7/135:00 amORD - MTJ
1 stop5h 44mAmerican Airlines
Deal found 4/30$309
This United Airlines deal was found by Cheapflights users on 4/30. 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 5/217:15 amMTJ - STL
1 stop4h 30mUnited Airlines
Wed 5/286:30 amSTL - MTJ
1 stop5h 43mUnited Airlines
Deal found 4/30$341
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Sun 5/187:15 amMTJ - ORD
1 stop5h 00mUnited Airlines
Sat 5/248:45 amORD - MTJ
Nonstop3h 28mUnited Airlines
Deal found 4/30$394
This Southwest deal was found by Cheapflights users on 4/30. 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.
Fri 7/111:55 pmMTJ - MDW
2 stops10h 10mSouthwest
Sun 7/136:25 amMDW - MTJ
2 stops9h 05mSouthwest
Deal found 4/30$418
This Southwest deal was found by Cheapflights users on 4/30. 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.
Fri 7/111:55 pmMTJ - ORD
1 stop8h 10mSouthwest
Sun 7/137:30 amORD - MTJ
2 stops8h 00mSouthwest
Deal found 4/30$439
This American Airlines deal was found by Cheapflights users on 4/30. 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 4/30$590
This United Airlines deal was found by Cheapflights users on 4/30. 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 5/151:35 pmMTJ - PIA
1 stop6h 16mUnited Airlines
Mon 5/195:25 pmPIA - MTJ
2 stops20h 10mUnited Airlines
Deal found 4/30$699

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 May 1, 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 7/11

2:37 pm-10:52 pm

1 stop7h 15m

Chicago O'Hare Intl

Sun 7/13

5:00 am-9:44 am

1 stop5h 44m

$309

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

Wed 5/21

7:15 am-12:45 pm

1 stop4h 30m

Lambert-St Louis

Wed 5/28

6:30 am-11:13 am

1 stop5h 43m

$341

MontroseChicago

MTJ - ORD

MTJORD

Montrose County

Sun 5/18

7:15 am-1:15 pm

1 stop5h 00m

Chicago O'Hare Intl

Sat 5/24

8:45 am-11:13 am

Nonstop3h 28m

$394

MontroseChicago

MTJ - MDW

MTJMDW

Montrose County

Fri 7/11

1:55 pm-1:05 am

2 stops10h 10m

Chicago Midway

Sun 7/13

6:25 am-2:30 pm

2 stops9h 05m

$418

MontroseChicago

MTJ - ORD

MTJORD

Montrose County

Fri 7/11

1:55 pm-11:05 pm

1 stop8h 10m

Chicago O'Hare Intl

Sun 7/13

7:30 am-2:30 pm

2 stops8h 00m

$439

MontrosePeoria

MTJ - PIA

MTJPIA

Montrose County

Thu 5/15

1:35 pm-8:51 pm

1 stop6h 16m

Greater Peoria

Mon 5/19

5:25 pm-12:35 pm

2 stops20h 10m

$699

MontroseChicago

MTJ - ORD

MTJORD

Montrose County

Tue 7/1

10:38 am-6:35 pm

1 stop6h 57m

$165

MontrosePeoria

MTJ - PIA

MTJPIA

Montrose County

Wed 6/11

3:26 pm-8:51 pm

1 stop4h 25m

$241

MontroseChicago

MTJ - ORD

MTJORD

Montrose County

Mon 7/7

7:30 am-9:41 am

1 stop25h 11m

$250

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

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.

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 May 1, 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
4,294 reviews

Food

7.1

Boarding

8.2

Crew

8.6

Entertainment

7.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very good
4,294 reviews
Southwest
8.0
Very good
4,294 reviews

Food

7.1

Boarding

8.2

Crew

8.6

Entertainment

7.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
United Airlines
7.4
Good
8,696 reviews
Southwest
8.0
Very good
4,294 reviews

Food

7.1

Boarding

8.2

Crew

8.6

Entertainment

7.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,294 reviews

Food

7.1

Boarding

8.2

Crew

8.6

Entertainment

7.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

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 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 $543 for a flight from Montrose to Illinois. The cheapest flight overall is $276 while the most popular route, (Montrose County - Chicago O'Hare Intl) is currently priced at $289.

  • 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 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$216Average$368FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$308Average$447FlexibilityNo cancel feeOn-time69%

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