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Montrose

$189+ Cheap flights from Illinois to Montrose (MTJ)

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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MTJ
Jul 10 — Jul 171
Fri 7/10
Fri 7/17
1 adult, Economy
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Cheap flight deals from Illinois to Montrose

Cheapest flights from Illinois to Montrose
Explore the most affordable flight options available from Illinois to Montrose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 10, 2026.

This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:36 am
STL
-
MTJ
1 stop7h 54m
American Airlines
Wed 8/262:21 pm
MTJ
-
STL
1 stop5h 05m
American Airlines
Deal found 6/10$211
This American Airlines deal was found by Cheapflights users on 6/6. 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 8/146:36 am
STL
-
MTJ
1 stop7h 54m
American Airlines
Sat 8/222:21 pm
MTJ
-
STL
1 stop5h 05m
American Airlines
Deal found 6/6$285
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.
Tue 11/174:30 pm
STL
-
MTJ
1 stop4h 39m
United Airlines
Wed 11/187:30 am
MTJ
-
STL
1 stop4h 13m
United Airlines
Deal found 6/9$291
This United Airlines deal was found by Cheapflights users on 6/8. 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 8/299:15 am
ORD
-
MTJ
Nonstop3h 33m
United Airlines
Sat 9/512:40 pm
MTJ
-
ORD
Nonstop3h 10m
United Airlines
Deal found 6/8$299
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.
Sat 8/227:00 am
ORD
-
MTJ
1 stop7h 30m
American Airlines
Wed 8/262:21 pm
MTJ
-
ORD
1 stop8h 09m
American Airlines
Deal found 6/9$309
This United Airlines deal was found by Cheapflights users on 6/8. 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 7/49:04 am
ORD
-
MTJ
Nonstop3h 39m
United Airlines
Sat 7/113:25 pm
MTJ
-
ORD
1 stop6h 24m
United Airlines
Deal found 6/8$318
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:00 am
ORD
-
MTJ
1 stop8h 30m
American Airlines
Tue 8/182:21 pm
MTJ
-
ORD
2 stops15h 47m
American Airlines
Deal found 6/10$344
This Southwest deal was found by Cheapflights users on 6/6. 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 8/142:00 pm
STL
-
MTJ
1 stop6h 20m
Southwest
Fri 8/219:10 am
MTJ
-
STL
1 stop5h 05m
Southwest
Deal found 6/6$349
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.
Fri 8/286:00 am
ORD
-
MTJ
1 stop8h 30m
American Airlines
Fri 9/42:21 pm
MTJ
-
ORD
1 stop8h 09m
American Airlines
Deal found 6/9$349
This American Airlines deal was found by Cheapflights users on 6/6. 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.
Thu 8/136:36 am
STL
-
MTJ
1 stop7h 54m
American Airlines
Thu 8/202:21 pm
MTJ
-
STL
1 stop7h 20m
American Airlines
Deal found 6/6$355
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/219:15 am
ORD
-
MTJ
Nonstop3h 33m
United Airlines
Sun 8/2312:40 pm
MTJ
-
ORD
Nonstop3h 10m
United Airlines
Deal found 6/10$367
This United Airlines deal was found by Cheapflights users on 6/7. 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 6/96:30 am
MLI
-
MTJ
2 stops9h 14m
United Airlines
Sun 6/1412:31 pm
MTJ
-
MLI
1 stop7h 51m
United Airlines
Deal found 6/7$575

Find flight deals from Illinois to Montrose

Keep the following information in mind while searching for Illinois to Montrose flight deals. Data was last updated June 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$211
(American Airlines)

One-way from

$189
(American Airlines)

Popular in

June

Cheapest in

January

Average price

$598

Good round-trip deal

$339 or less
Provider with most accurate pricing for Chicago (CHI)-Montrose County flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Montrose County flights.
Search Deals
From Illinois to Montrose County
Search Deals
One-way flight from Illinois to Montrose County
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Illinois to Montrose County.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Montrose 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 June 10, 2026.
Use the filters below to find and compare flights from Illinois to Montrose that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Tue 11/17

4:30 pm-8:09 pm

1 stop4h 39m

Montrose County

Wed 11/18

1:35 pm-8:59 pm

1 stop6h 24m

$291

ChicagoMontrose

ORD - MTJ

ORDMTJ

Chicago O'Hare Intl

Thu 11/5

6:00 am-12:41 pm

1 stop7h 41m

Montrose County

Sat 11/7

1:35 pm-8:30 pm

1 stop5h 55m

$398
Quickest round-trip

ChicagoMontrose

ORD - MTJ

ORDMTJ

Chicago O'Hare Intl

Sat 7/4

9:04 am-11:43 am

Nonstop3h 39m

Montrose County

Sat 7/11

12:31 pm-4:49 pm

Nonstop3h 18m

$452

ChicagoMontrose

ORD - MTJ

ORDMTJ

Chicago O'Hare Intl

Mon 6/22

9:04 am-11:43 am

Nonstop3h 39m

Montrose County

Sat 6/27

1:30 pm-8:40 pm

1 stop6h 10m

$486

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Wed 8/26

8:00 am-2:27 pm

2 stops7h 27m

Montrose County

Wed 9/2

1:42 pm-10:00 pm

2 stops7h 18m

$489

ChicagoMontrose

ORD - MTJ

ORDMTJ

Chicago O'Hare Intl

Fri 7/24

5:00 am-8:10 pm

1 stop16h 10m

Montrose County

Thu 7/30

12:31 pm-4:49 pm

Nonstop3h 18m

$562

ChicagoMontrose

ORD - MTJ

ORDMTJ

Chicago O'Hare Intl

Thu 6/25

9:04 am-11:43 am

Nonstop3h 39m

Montrose County

Thu 7/2

3:25 pm-11:19 pm

1 stop6h 54m

$563

ChicagoMontrose

ORD - MTJ

ORDMTJ

Chicago O'Hare Intl

Wed 10/7

7:00 am-12:35 pm

1 stop6h 35m

Montrose County

Sun 10/11

3:23 pm-10:46 pm

1 stop6h 23m

$573

ChicagoMontrose

ORD - MTJ

ORDMTJ

Chicago O'Hare Intl

Thu 7/30

5:00 am-8:10 pm

1 stop16h 10m

Montrose County

Mon 8/3

12:31 pm-4:49 pm

Nonstop3h 18m

$597

ChicagoMontrose

ORD - MTJ

ORDMTJ

Chicago O'Hare Intl

Fri 8/7

9:50 pm-12:34 pm

1 stop15h 44m

Montrose County

Sun 8/9

7:25 am-12:44 am

1 stop16h 19m

$661

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/5

Showing 1-10 of 25 resultsSorted by cheapest first
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Best time to book a flight from Illinois to Montrose

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

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

Currently, September is the cheapest month in which you can book a flight from Illinois to Montrose (average of $198). Flying from Illinois to Montrose in November is currently the most expensive (average of $376). 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 IL to MTJ?

Find hourly flight availability from Illinois to Montrose. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 10, 2026.

When flying from Illinois to Montrose, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Illinois to Montrose?

Related info for your journey

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

    Montrose County (MTJ) is the airport you will fly into if you book a flight from Illinois to Montrose. It is only a 2.3 mi journey from Montrose County (MTJ) to Montrose’s city center.

  • How long is the flight from Illinois to Montrose?

    There are many flights that can get you from Illinois to Montrose in 4h 39m. Fly via United Airlines to get the fastest option. Airlines will cover a distance of 944 mi.

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

    When deciding which route to take from Illinois to Montrose consider Chicago O'Hare Intl - Montrose County, Lambert-St Louis - Montrose County or Greater Peoria - Montrose County as they are the most popular.

  • What are the cheapest flights from Illinois to Montrose?

    While on average a flight from Illinois to Montrose is generally $483, our data shows the cheapest flight currently is $289. When looking at the most popular route, (Chicago O'Hare Intl - Montrose County), you can expect to pay $299 for that flight.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Illinois to Montrose (average of $198). Flying from Illinois to Montrose in November is currently the most expensive (average of $376). 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 airline flying from Illinois to Montrose

Discover the top airline that operate flights from Illinois to Montrose. 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 June 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$269Average$483FlexibilityNo cancel feeOn-time69%

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