Cheap flights from St. Louis to Montrose from $141

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Montrose departing on 1/14. 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 St. Louis to Montrose

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
5:40 am - 11:40 am
STL
-
MTJ
7h 00m1 stop
Southwest Logo
3:05 pm - 9:35 pm
MTJ
-
STL
5h 30m1 stop
$211Southwest
Mon, Feb 23 - Sat, Feb 28
Delta Logo
7:10 am - 1:08 pm
STL
-
MTJ
6h 58m1 stop
Delta Logo
2:05 pm - 8:37 pm
MTJ
-
STL
5h 32m1 stop
$228Delta
Sat, Jan 24 - Thu, Jan 29
Southwest Logo
7:00 am - 12:10 pm
STL
-
MTJ
6h 10m1 stop
Southwest Logo
12:40 pm - 5:30 pm
MTJ
-
STL
3h 50m1 stop
$265Southwest
Sat, Feb 7 - Tue, Feb 10
Delta Logo
7:00 am - 2:12 pm
STL
-
MTJ
8h 12m1 stop
Delta Logo
3:08 pm - 11:42 pm
MTJ
-
STL
7h 34m1 stop
$269Delta
Wed, Dec 24 - Sun, Dec 28
United Airlines Logo
6:00 am - 1:01 pm
STL
-
MTJ
8h 01m1 stop
United Airlines Logo
1:40 pm - 10:00 pm
MTJ
-
STL
7h 20m1 stop
$281United Airlines
Sat, Jan 10 - Wed, Jan 14
United Airlines Logo
8:30 am - 8:17 pm
STL
-
MTJ
12h 47m2 stops
United Airlines Logo
3:28 pm - 8:58 pm
MTJ
-
STL
4h 30m1 stop
$286United Airlines
Sat, Jan 10 - Wed, Jan 14
United Airlines Logo
1:15 pm - 8:17 pm
STL
-
MTJ
8h 02m2 stops
United Airlines Logo
1:32 pm - 10:58 pm
MTJ
-
STL
8h 26m2 stops
$291United Airlines
Sat, Jan 10 - Wed, Jan 14
Southwest Logo
7:00 am - 12:10 pm
STL
-
MTJ
6h 10m1 stop
Southwest Logo
12:40 pm - 10:20 pm
MTJ
-
STL
8h 40m2 stops
$314Southwest
Sat, Feb 7 - Tue, Feb 10
United Airlines Logo
8:41 am - 12:27 pm
STL
-
MTJ
4h 46m1 stop
United Airlines Logo
7:15 am - 1:14 pm
MTJ
-
STL
4h 59m1 stop
$322United Airlines
Mon, Feb 23 - Sat, Feb 28
United Airlines Logo
8:30 am - 8:21 pm
STL
-
MTJ
12h 51m2 stops
United Airlines Logo
7:15 am - 1:14 pm
MTJ
-
STL
4h 59m1 stop
$327United Airlines
Mon, Feb 23 - Sat, Feb 28

Delta flights from St. Louis to Montrose

Our best Delta deals on St. Louis to Montrose flight tickets
Delta
Jan 24
STL7:10 amLambert-St Louis
6h 58m
1 stop
MTJ1:08 pmMontrose County
Jan 29
MTJ2:05 pmMontrose County
5h 32m
1 stop
STL8:37 pmLambert-St Louis
Delta
Dec 24
STL7:00 amLambert-St Louis
8h 12m
1 stop
MTJ2:12 pmMontrose County
Dec 28
MTJ3:08 pmMontrose County
7h 34m
1 stop
STL11:42 pmLambert-St Louis

United Airlines flights from St. Louis to Montrose

Our best United Airlines deals on St. Louis to Montrose flight tickets
United Airlines
Jan 10
STL6:00 amLambert-St Louis
8h 01m
1 stop
MTJ1:01 pmMontrose County
Jan 14
MTJ1:40 pmMontrose County
7h 20m
1 stop
STL10:00 pmLambert-St Louis
United Airlines
Jan 10
STL8:30 amLambert-St Louis
12h 47m
2 stops
MTJ8:17 pmMontrose County
Jan 14
MTJ3:28 pmMontrose County
4h 30m
1 stop
STL8:58 pmLambert-St Louis
United Airlines
Jan 10
STL1:15 pmLambert-St Louis
8h 02m
2 stops
MTJ8:17 pmMontrose County
Jan 14
MTJ1:32 pmMontrose County
8h 26m
2 stops
STL10:58 pmLambert-St Louis

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis 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 December 10, 2025.
Use the filters below to find and compare flights from St. Louis to Montrose that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Mon 2/23

5:40 am-11:40 am

1 stop7h 00m

Montrose County

Sat 2/28

3:05 pm-9:35 pm

1 stop5h 30m

$211

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Sat 1/24

7:10 am-1:08 pm

1 stop6h 58m

Montrose County

Thu 1/29

2:05 pm-8:37 pm

1 stop5h 32m

$228

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Sat 2/7

7:00 am-12:10 pm

1 stop6h 10m

Montrose County

Tue 2/10

12:40 pm-5:30 pm

1 stop3h 50m

$265

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Wed 12/24

7:00 am-2:12 pm

1 stop8h 12m

Montrose County

Sun 12/28

3:08 pm-11:42 pm

1 stop7h 34m

$269

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Sat 1/10

6:00 am-1:01 pm

1 stop8h 01m

Montrose County

Wed 1/14

1:40 pm-10:00 pm

1 stop7h 20m

$281

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Sat 1/10

8:30 am-8:17 pm

2 stops12h 47m

Montrose County

Wed 1/14

3:28 pm-8:58 pm

1 stop4h 30m

$286

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Sat 1/10

1:15 pm-8:17 pm

2 stops8h 02m

Montrose County

Wed 1/14

1:32 pm-10:58 pm

2 stops8h 26m

$291

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Sat 2/7

7:00 am-12:10 pm

1 stop6h 10m

Montrose County

Tue 2/10

12:40 pm-10:20 pm

2 stops8h 40m

$314

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Mon 2/23

8:41 am-12:27 pm

1 stop4h 46m

Montrose County

Sat 2/28

7:15 am-1:14 pm

1 stop4h 59m

$322

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Mon 2/23

8:30 am-8:21 pm

2 stops12h 51m

Montrose County

Sat 2/28

7:15 am-1:14 pm

1 stop4h 59m

$327

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Montrose from

How to get the cheapest flight ticket from St. Louis 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 typical price of a round-trip flight between St. Louis and Montrose?

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

On average, the least expensive day to fly to Montrose from St. Louis is on a Friday. momondo users have found tickets for Friday departures for as low as $353. 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 St. Louis to Montrose for around $601.

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 in the morning. momondo users have found flights departing from St. Louis to Montrose in the morning for as low as $442. 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 afternoon is when there is more demand to fly to Montrose, so prices are often more expensive at around $521 per ticket.

When to book flights from St. Louis to Montrose

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Montrose according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Montrose (STL to MTJ) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Montrose

Fastest flight time

6h 10m

Direct flights

None
The fastest flight from St. Louis to Montrose takes 6h 10m
There are no direct flights from St. Louis to Montrose. There are no popular flight routes from St. Louis to Montrose.
  • How far is Lambert-St Louis to Montrose County by plane?

    Lambert-St Louis and Montrose County are 953.1 mi apart from one another. A reasonable flight in good conditions will take 6h 10m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Montrose County Airport?

    Prices for flights from Lambert-St Louis Airport to Montrose County Airport are updated daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Montrose County Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Montrose County Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Montrose County Airport.

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

    The travel and health documents you'll need for your trip to Montrose County Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Montrose County Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from St. Louis to Montrose?

Best airlines flying from St. Louis to Montrose

Compare and see reviews for airlines that fly from St. Louis to Montrose with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $240Free CancellationRating
7.2
11,048 reviews
Search American Airlines flights
United AirlinesPriceFrom $270Free CancellationRating
7.4
9,092 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

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We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to Montrose for you.

Can I find flights from St. Louis to Montrose with flexible booking policies on momondo?

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

How can momondo help me find flights from St. Louis to Montrose?

Once you have performed a search for St. Louis to Montrose flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from St. Louis to Montrose now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Montrose and let you know when they change.

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1 adult
Fri 1/9
Fri 1/16

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