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Cheap flights from Illinois to Montrose from $191

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Montrose departing on 1/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Illinois to Montrose

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
6:20 am - 12:00 pmSTL-MTJ
6h 40m1 stop
Southwest Logo
9:50 am - 4:55 pmMTJ-STL
6h 05m1 stop
$209Southwest
Find Deal
Tue, Feb 3 - Sat, Feb 7
Delta Logo
6:00 am - 1:19 pmSTL-MTJ
8h 19m1 stop
Delta Logo
2:17 pm - 11:40 pmMTJ-STL
8h 23m1 stop
$217Delta
Find Deal
Tue, Mar 24 - Wed, Mar 25
Southwest Logo
6:05 am - 12:00 pmSTL-MTJ
6h 55m2 stops
Southwest Logo
9:50 am - 4:55 pmMTJ-STL
6h 05m1 stop
$256Southwest
Find Deal
Tue, Feb 3 - Sat, Feb 7
American Airlines Logo
8:49 pm - 12:02 pmORD-MTJ
16h 13m2 stops
American Airlines Logo
2:57 pm - 7:27 amMTJ-ORD
15h 30m2 stops
$292American Airlines
Find Deal
Sun, Jan 25 - Thu, Jan 29
United Airlines Logo
1:51 pm - 8:10 pmORD-MTJ
7h 19m1 stop
United Airlines Logo
7:15 am - 1:15 pmMTJ-ORD
5h 00m1 stop
$309United Airlines
Find Deal
Sat, Dec 6 - Sat, Dec 13
American Airlines Logo
6:54 am - 12:04 pmORD-MTJ
6h 10m1 stop
American Airlines Logo
2:57 pm - 10:38 pmMTJ-ORD
6h 41m1 stop
$315American Airlines
Find Deal
Fri, Jan 23 - Wed, Jan 28
Southwest Logo
6:05 am - 12:00 pmSTL-MTJ
6h 55m2 stops
Southwest Logo
9:50 am - 8:50 pmMTJ-STL
10h 00m2 stops
$316Southwest
Find Deal
Tue, Feb 3 - Sat, Feb 7
United Airlines Logo
11:25 am - 8:16 pmSTL-MTJ
9h 51m2 stops
United Airlines Logo
1:35 pm - 8:54 pmMTJ-STL
6h 19m1 stop
$327United Airlines
Find Deal
Tue, Mar 24 - Wed, Mar 25
American Airlines Logo
8:49 pm - 12:02 pmORD-MTJ
16h 13m2 stops
American Airlines Logo
12:44 pm - 11:44 pmMTJ-ORD
10h 00m1 stop
$331American Airlines
Find Deal
Sun, Jan 25 - Thu, Jan 29
United Airlines Logo
10:55 am - 8:08 pmPIA-MTJ
10h 13m2 stops
United Airlines Logo
1:35 pm - 9:16 pmMTJ-PIA
6h 41m2 stops
$340United Airlines
Find Deal
Sat, Apr 4 - Wed, Apr 8

Southwest flights from Illinois to Montrose

Our best Southwest deals on Illinois to Montrose flight tickets
Southwest
Feb 3
STL6:20 amLambert-St Louis
6h 40m
1 stop
MTJ12:00 pmMontrose County
Feb 7
MTJ9:50 amMontrose County
6h 05m
1 stop
STL4:55 pmLambert-St Louis
$209
Find similar
Southwest
Feb 3
STL6:05 amLambert-St Louis
6h 55m
2 stops
MTJ12:00 pmMontrose County
Feb 7
MTJ9:50 amMontrose County
6h 05m
1 stop
STL4:55 pmLambert-St Louis
$256
Find similar
Southwest
Feb 3
STL6:05 amLambert-St Louis
6h 55m
2 stops
MTJ12:00 pmMontrose County
Feb 7
MTJ9:50 amMontrose County
10h 00m
2 stops
STL8:50 pmLambert-St Louis
$316
Find similar

Delta flights from Illinois to Montrose

Our best Delta deals on Illinois to Montrose flight tickets
Delta
Mar 24
STL6:00 amLambert-St Louis
8h 19m
1 stop
MTJ1:19 pmMontrose County
Mar 25
MTJ2:17 pmMontrose County
8h 23m
1 stop
STL11:40 pmLambert-St Louis
$217
Find similar
Delta
Jan 3
ORD5:30 amChicago O'Hare Intl
9h 42m
1 stop
MTJ2:12 pmMontrose County
Jan 17
MTJ2:05 pmMontrose County
8h 52m
1 stop
ORD11:57 pmChicago O'Hare Intl
$354
Find similar
Delta
Mar 10
BMI6:01 amBloomington-Normal
8h 18m
1 stop
MTJ1:19 pmMontrose County
Mar 11
MTJ2:17 pmMontrose County
7h 09m
1 stop
BMI10:26 pmBloomington-Normal
$371
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated November 6, 2025.
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

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Tue 2/3

6:20 am-12:00 pm

1 stop6h 40m

Montrose County

Sat 2/7

9:50 am-4:55 pm

1 stop6h 05m

$209

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Tue 3/24

6:00 am-1:19 pm

1 stop8h 19m

Montrose County

Wed 3/25

2:17 pm-11:40 pm

1 stop8h 23m

$217

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Tue 2/3

6:05 am-12:00 pm

2 stops6h 55m

Montrose County

Sat 2/7

9:50 am-4:55 pm

1 stop6h 05m

$256

ChicagoMontrose

ORD - MTJ

ORDMTJ

Chicago O'Hare Intl

Sun 1/25

8:49 pm-12:02 pm

2 stops16h 13m

Montrose County

Thu 1/29

2:57 pm-7:27 am

2 stops15h 30m

$292

ChicagoMontrose

ORD - MTJ

ORDMTJ

Chicago O'Hare Intl

Sat 12/6

1:51 pm-8:10 pm

1 stop7h 19m

Montrose County

Sat 12/13

7:15 am-1:15 pm

1 stop5h 00m

$309

ChicagoMontrose

ORD - MTJ

ORDMTJ

Chicago O'Hare Intl

Fri 1/23

6:54 am-12:04 pm

1 stop6h 10m

Montrose County

Wed 1/28

2:57 pm-10:38 pm

1 stop6h 41m

$315

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Tue 2/3

6:05 am-12:00 pm

2 stops6h 55m

Montrose County

Sat 2/7

9:50 am-8:50 pm

2 stops10h 00m

$316

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Tue 3/24

11:25 am-8:16 pm

2 stops9h 51m

Montrose County

Wed 3/25

1:35 pm-8:54 pm

1 stop6h 19m

$327

ChicagoMontrose

ORD - MTJ

ORDMTJ

Chicago O'Hare Intl

Sun 1/25

8:49 pm-12:02 pm

2 stops16h 13m

Montrose County

Thu 1/29

12:44 pm-11:44 pm

1 stop10h 00m

$331

PeoriaMontrose

PIA - MTJ

PIAMTJ

Greater Peoria

Sat 4/4

10:55 am-8:08 pm

2 stops10h 13m

Montrose County

Wed 4/8

1:35 pm-9:16 pm

2 stops6h 41m

$340

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Montrose from

How to get the cheapest flight ticket from Illinois to Montrose

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Montrose?

If you don’t want to visit Montrose in August, then you should wait until April to fly from Illinois, when ticket prices are also cheap, with an average price of $353.

What is the cheapest day to depart on your flight to Montrose?

On average, the least expensive day to fly to Montrose from Illinois is on a Saturday. momondo users have found tickets for Saturday departures for as low as $499. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Illinois to Montrose for around $889.

What is the cheapest time of day to depart on your flight to Montrose?

According to our data, the cheapest time of day to fly to Montrose is at noon. momondo users have found flights departing from Illinois to Montrose at noon for as low as $356. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Montrose, so prices are often more expensive at around $582 per ticket.

What is the cheapest Illinois to Montrose County flight route?

Fly from Chicago O'Hare Intl to Montrose County for the best Illinois - Montrose County flight prices

What cabin class options are available on Illinois to Montrose County flights?

There are 3 cabin classes available to choose from on Illinois to Montrose County flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Illinois to Montrose flights?

You could potentially save up to 9% on your flight if you consider stops on a Illinois to Montrose flight.

Cheap Illinois to Montrose flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Montrose

Best Price Found

$488

Fastest flight time

3h 42m

Direct flights

Mon, Tue, Wed, Fri, Sat and Sun

Airports in Montrose

1 airport
The best flight deal from Illinois to Montrose found on momondo in the last 72 hours is $488
The fastest flight from Illinois to Montrose takes 3h 42m
Direct flights go from Illinois to Montrose on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport near Montrose: Montrose County (MTJ)
Search flight deals

  • When did momondo last update prices for flights from Illinois to Montrose County Airport?

    Prices for flights from Illinois to Montrose County Airport are updated daily.

  • How many operators does momondo search for flights from Illinois to Montrose County Airport?

  • How old do you have to be to fly from Illinois to Montrose County Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Montrose County Airport.

  • What documentation or ID do you need to fly to Montrose County Airport?

    The required travel and health documents for your Montrose County Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Montrose County Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Illinois to Montrose?

Best airlines flying from Illinois to Montrose

Compare and see reviews for airlines that fly from Illinois to Montrose with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $248Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
United AirlinesPriceFrom $308Free CancellationRating
7.4
9,007 reviews
Search United Airlines flights

Traveling to a place near Montrose?

Book flights to Montrose if you plan to visit one of these locations
Delta

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Montrose?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Montrose from Illinois.

Can I find flights from Illinois to Montrose with flexible booking policies on momondo?

All flight searches from Illinois to Montrose on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Illinois to Montrose?

Once all potential Illinois to Montrose flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Illinois to Montrose right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Illinois to Montrose flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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