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Cheap flights from Montrose to Illinois from $159

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montrose to Illinois departing on 3/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Montrose to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
1:43 pm - 8:43 pm
MTJ
-
STL
6h 00m
1 stop
United Airlines Logo
4:06 pm - 8:18 pm
STL
-
MTJ
5h 12m
1 stop
$235United Airlines
Fri, May 15 - Tue, May 19
United Airlines Logo
3:39 pm - 11:52 pm
MTJ
-
ORD
7h 13m
1 stop
United Airlines Logo
9:15 am - 12:02 pm
ORD
-
MTJ
3h 47mnonstop
$239United Airlines
Fri, Mar 20 - Tue, Mar 24
United Airlines Logo
3:39 pm - 11:34 pm
MTJ
-
STL
6h 55m
1 stop
United Airlines Logo
6:00 am - 12:46 pm
STL
-
MTJ
7h 46m
1 stop
$239United Airlines
Fri, Mar 6 - Tue, Mar 10
United Airlines Logo
3:39 pm - 8:41 pm
MTJ
-
STL
4h 02m
1 stop
United Airlines Logo
6:25 am - 2:37 pm
STL
-
MTJ
9h 12m
2 stops
$244United Airlines
Fri, Mar 6 - Tue, Mar 10
American Airlines Logo
12:14 pm - 8:40 pm
MTJ
-
ORD
7h 26m
1 stop
American Airlines Logo
10:30 pm - 11:34 am
ORD
-
MTJ
14h 04m
2 stops
$268American Airlines
Tue, Mar 24 - Tue, Mar 31
American Airlines Logo
12:42 pm - 7:30 pm
MTJ
-
STL
5h 48m
1 stop
American Airlines Logo
5:20 am - 11:58 am
STL
-
MTJ
7h 38m
1 stop
$276American Airlines
Tue, May 12 - Tue, May 19
Southwest Logo
8:45 am - 5:55 pm
MTJ
-
STL
8h 10m
2 stops
Southwest Logo
12:40 pm - 7:55 pm
STL
-
MTJ
8h 15m
2 stops
$329Southwest
Tue, May 12 - Tue, May 19
Southwest Logo
8:25 am - 2:20 pm
MTJ
-
MDW
4h 55m
1 stop
Southwest Logo
1:55 pm - 6:50 pm
MDW
-
MTJ
5h 55m
1 stop
$374Southwest
Fri, Apr 10 - Sat, Apr 11
Delta Logo
2:13 pm - 10:31 pm
MTJ
-
MDW
7h 18m
1 stop
Delta Logo
6:00 am - 12:49 pm
MDW
-
MTJ
7h 49m
1 stop
$419Delta
Wed, Mar 4 - Sun, Mar 8
Delta Logo
1:44 pm - 10:31 pm
MTJ
-
MDW
7h 47m
1 stop
Delta Logo
6:00 am - 12:49 pm
MDW
-
MTJ
7h 49m
1 stop
$424Delta
Fri, Mar 20 - Tue, Mar 24

United Airlines flights from Montrose to Illinois

Our best United Airlines deals on Montrose to Illinois flight tickets
United Airlines
May 15
MTJ1:43 pmMontrose County
6h 00m
1 stop
STL8:43 pmLambert-St Louis
May 19
STL4:06 pmLambert-St Louis
5h 12m
1 stop
MTJ8:18 pmMontrose County
$235
United Airlines
Mar 20
MTJ3:39 pmMontrose County
7h 13m
1 stop
ORD11:52 pmChicago O'Hare Intl
Mar 24
ORD9:15 amChicago O'Hare Intl
3h 47m
MTJ12:02 pmMontrose County
$239
United Airlines
Mar 6
MTJ3:39 pmMontrose County
4h 02m
1 stop
STL8:41 pmLambert-St Louis
Mar 10
STL6:25 amLambert-St Louis
9h 12m
2 stops
MTJ2:37 pmMontrose County
$244

Delta flights from Montrose to Illinois

Our best Delta deals on Montrose to Illinois flight tickets
Delta
Mar 4
MTJ2:13 pmMontrose County
8h 43m
1 stop
ORD11:56 pmChicago O'Hare Intl
Mar 8
ORD5:30 amChicago O'Hare Intl
8h 19m
1 stop
MTJ12:49 pmMontrose County
$299
Delta
Mar 4
MTJ2:13 pmMontrose County
7h 18m
1 stop
MDW10:31 pmChicago Midway
Mar 8
MDW6:00 amChicago Midway
7h 49m
1 stop
MTJ12:49 pmMontrose County
$419
Delta
Mar 20
MTJ1:44 pmMontrose County
7h 47m
1 stop
MDW10:31 pmChicago Midway
Mar 24
MDW6:00 amChicago Midway
7h 49m
1 stop
MTJ12:49 pmMontrose County
$488

momondo 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, momondo users made 832,500 searches. Data last updated February 21, 2026.
Use the filters below to find and compare flights from Montrose to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

Fri 5/15

1:43 pm-8:43 pm

1 stop6h 00m

Lambert-St Louis

Tue 5/19

4:06 pm-8:18 pm

1 stop5h 12m

$235

MontroseChicago

MTJ - ORD

MTJORD

Montrose County

Fri 3/20

3:39 pm-11:52 pm

1 stop7h 13m

Chicago O'Hare Intl

Tue 3/24

9:15 am-12:02 pm

Nonstop3h 47m

$239

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

Fri 3/6

3:39 pm-11:34 pm

1 stop6h 55m

Lambert-St Louis

Tue 3/10

6:00 am-12:46 pm

1 stop7h 46m

$239

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

Fri 3/6

3:39 pm-8:41 pm

1 stop4h 02m

Lambert-St Louis

Tue 3/10

6:25 am-2:37 pm

2 stops9h 12m

$244

MontroseChicago

MTJ - ORD

MTJORD

Montrose County

Tue 3/24

12:14 pm-8:40 pm

1 stop7h 26m

Chicago O'Hare Intl

Tue 3/31

10:30 pm-11:34 am

2 stops14h 04m

$268

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

Tue 5/12

12:42 pm-7:30 pm

1 stop5h 48m

Lambert-St Louis

Tue 5/19

5:20 am-11:58 am

1 stop7h 38m

$276

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

Tue 5/12

8:45 am-5:55 pm

2 stops8h 10m

Lambert-St Louis

Tue 5/19

12:40 pm-7:55 pm

2 stops8h 15m

$329

MontroseChicago

MTJ - MDW

MTJMDW

Montrose County

Fri 4/10

8:25 am-2:20 pm

1 stop4h 55m

Chicago Midway

Sat 4/11

1:55 pm-6:50 pm

1 stop5h 55m

$374

MontroseChicago

MTJ - MDW

MTJMDW

Montrose County

Wed 3/4

2:13 pm-10:31 pm

1 stop7h 18m

Chicago Midway

Sun 3/8

6:00 am-12:49 pm

1 stop7h 49m

$419

MontroseChicago

MTJ - MDW

MTJMDW

Montrose County

Fri 3/20

1:44 pm-10:31 pm

1 stop7h 47m

Chicago Midway

Tue 3/24

6:00 am-12:49 pm

1 stop7h 49m

$424

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 Illinois from

How to get the cheapest flight ticket from Montrose to Illinois

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 day to depart on your flight to Illinois?

The cheapest day to depart from Montrose to Illinois is on a Friday when prices can be found for as low as $373. Flights from Montrose to Illinois on a Monday will generally be more expensive and average around $626. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our most recent data shows that the best time of day to fly to Illinois is in the afternoon. Flights from Montrose to Illinois during this time can be as low as $382. Flights in the morning are often more expensive with an average ticket price of $503.

What is the cheapest Montrose County to Illinois flight route?

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

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

There are 3 cabin classes available to choose from on Montrose County to Illinois 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 Montrose to Illinois flights?

You could potentially save up to 41% on your flight if you consider stops on a Montrose to Illinois flight.

Cheap Montrose to Illinois flight deals and tips

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

Best Price Found

$235

Fastest flight time

2h 59m

Direct flights

Every day

Airports in Illinois

98 airports
The best one-way flight to Illinois from Montrose in the past 72 hours is $235. The best round-trip flight deal from Montrose to Illinois found on momondo in the last 72 hours is $339.
The fastest flight from Montrose to Illinois takes 2h 59m
Direct flights go from Montrose to Illinois every day.
There are 98 airports in Illinois. From Montrose there are direct flights to Chicago O'Hare Intl (ORD).
Search flight deals

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

    Prices for flights from Montrose County Airport to Illinois were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Montrose County Airport to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Best airlines flying from Montrose to Illinois

Compare and see reviews for airlines that fly from Montrose to Illinois with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $276Free CancellationRating
7.4
9,335 reviews
Search United Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Montrose to Illinois. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Montrose to Illinois.

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

Of course. momondo tracks the price of Montrose to Illinois flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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