What is the cheapest airline that flies from Lambert-St Louis to Montrose County?

Southwest is the most popular carrier operating from Lambert-St Louis to Montrose County

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?

There is 1 operator available for flights from Lambert-St Louis Airport to Montrose County Airport as of October 2026.

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.

$219 Cheap Flights from St. Louis to Montrose in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Montrose

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:50 am - 12:36 pmSTL Lambert-St Louis-MTJ Montrose County

4h 46m1 stop Denver Intl

7:05 am - 12:38 pmMTJ Montrose County-STL Lambert-St Louis

4h 33m1 stop Denver Intl

$401United Airlines

Sun, Nov 22 - Sat, Nov 28

8:00 am - 8:30 pmSTL Lambert-St Louis-MTJ Montrose County

13h 30m2 stops Washington, D.C. Dulles Intl Denver Intl

7:05 am - 12:38 pmMTJ Montrose County-STL Lambert-St Louis

4h 33m1 stop Denver Intl

$419United Airlines

Sun, Nov 22 - Sat, Nov 28

6:15 am - 12:19 pmSTL Lambert-St Louis-MTJ Montrose County

7h 04m1 stop Houston George Bush Intcntl

1:30 pm - 8:38 pmMTJ Montrose County-STL Lambert-St Louis

6h 08m1 stop Denver Intl

$439United Airlines

Tue, Feb 2 - Wed, Feb 3

4:39 pm - 8:30 pmSTL Lambert-St Louis-MTJ Montrose County

4h 51m1 stop Denver Intl

1:40 pm - 8:59 pmMTJ Montrose County-STL Lambert-St Louis

6h 19m1 stop Denver Intl

$439United Airlines

Tue, Nov 10 - Tue, Nov 17

1:08 pm - 8:30 pmSTL Lambert-St Louis-MTJ Montrose County

8h 22m2 stops Chicago O'Hare Intl Denver Intl

1:40 pm - 8:59 pmMTJ Montrose County-STL Lambert-St Louis

6h 19m1 stop Denver Intl

$444United Airlines

Tue, Nov 10 - Tue, Nov 17

6:15 am - 12:19 pmSTL Lambert-St Louis-MTJ Montrose County

7h 04m1 stop Houston George Bush Intcntl

1:30 pm - 11:20 pmMTJ Montrose County-STL Lambert-St Louis

8h 50m2 stops Denver Intl Chicago O'Hare Intl

$444United Airlines

Tue, Feb 2 - Wed, Feb 3

3:00 pm - 7:45 pmSTL Lambert-St Louis-MTJ Montrose County

5h 45m1 stop Denver Intl

4:45 pm - 1:55 amMTJ Montrose County-STL Lambert-St Louis

8h 10m2 stops Denver Intl Las Vegas Harry Reid Intl

$472Southwest

Wed, Mar 10 - Sun, Mar 14

12:50 pm - 7:45 pmSTL Lambert-St Louis-MTJ Montrose County

7h 55m2 stops Austin Bergstrom Denver Intl

4:45 pm - 1:55 amMTJ Montrose County-STL Lambert-St Louis

8h 10m2 stops Denver Intl Las Vegas Harry Reid Intl

$477Southwest

Wed, Mar 10 - Sun, Mar 14

3:00 pm - 7:45 pmSTL Lambert-St Louis-MTJ Montrose County

5h 45m1 stop Denver Intl

10:40 am - 5:45 pmMTJ Montrose County-STL Lambert-St Louis

6h 05m1 stop Denver Intl

$538Southwest

Wed, Mar 10 - Sun, Mar 14

11:40 am - 7:45 pmSTL Lambert-St Louis-MTJ Montrose County

9h 05m2 stops Dallas Love Field Denver Intl

8:55 am - 7:30 pmMTJ Montrose County-STL Lambert-St Louis

9h 35m2 stops Denver Intl Atlanta Hartsfield-Jackson

$846Southwest

Mon, Dec 28 - Fri, Jan 1

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United Airlines flights from St. Louis to Montrose

Our best United Airlines deals on St. Louis to Montrose flight tickets

United Airlines

Nov 22

STL8:50 amLambert-St Louis

4h 46m

1 stop

MTJ12:36 pmMontrose County

Nov 28

MTJ7:05 amMontrose County

4h 33m

1 stop

STL12:38 pmLambert-St Louis

$401

United Airlines

Nov 22

STL8:00 amLambert-St Louis

13h 30m

2 stops

MTJ8:30 pmMontrose County

Nov 28

MTJ7:05 amMontrose County

4h 33m

1 stop

STL12:38 pmLambert-St Louis

$419

United Airlines

Feb 2

STL6:15 amLambert-St Louis

7h 04m

1 stop

MTJ12:19 pmMontrose County

Feb 3

MTJ1:30 pmMontrose County

6h 08m

1 stop

STL8:38 pmLambert-St Louis

$439

Southwest flights from St. Louis to Montrose

Our best Southwest deals on St. Louis to Montrose flight tickets

Southwest

Mar 10

STL3:00 pmLambert-St Louis

5h 45m

1 stop

MTJ7:45 pmMontrose County

Mar 14

MTJ4:45 pmMontrose County

8h 10m

2 stops

STL1:55 amLambert-St Louis

$472

Southwest

Mar 10

STL12:50 pmLambert-St Louis

7h 55m

2 stops

MTJ7:45 pmMontrose County

Mar 14

MTJ4:45 pmMontrose County

8h 10m

2 stops

STL1:55 amLambert-St Louis

$477

Southwest

Mar 10

STL3:00 pmLambert-St Louis

5h 45m

1 stop

MTJ7:45 pmMontrose County

Mar 14

MTJ10:40 amMontrose County

6h 05m

1 stop

STL5:45 pmLambert-St Louis

$538

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

St. LouisMontrose

STL Lambert-St Louis - MTJ Montrose County

STLMTJ

Lambert-St Louis

Sun 11/22

8:50 am-12:36 pm

1 stop4h 46m

Montrose County

Sat 11/28

7:05 am-12:38 pm

1 stop4h 33m

$401

St. LouisMontrose

STL Lambert-St Louis - MTJ Montrose County

STLMTJ

Lambert-St Louis

Sun 11/22

8:00 am-8:30 pm

2 stops13h 30m

Montrose County

Sat 11/28

7:05 am-12:38 pm

1 stop4h 33m

$419

St. LouisMontrose

STL Lambert-St Louis - MTJ Montrose County

STLMTJ

Lambert-St Louis

Tue 2/2

6:15 am-12:19 pm

1 stop7h 04m

Montrose County

Wed 2/3

1:30 pm-8:38 pm

1 stop6h 08m

$439

St. LouisMontrose

STL Lambert-St Louis - MTJ Montrose County

STLMTJ

Lambert-St Louis

Tue 11/10

4:39 pm-8:30 pm

1 stop4h 51m

Montrose County

Tue 11/17

1:40 pm-8:59 pm

1 stop6h 19m

$439

St. LouisMontrose

STL Lambert-St Louis - MTJ Montrose County

STLMTJ

Lambert-St Louis

Tue 11/10

1:08 pm-8:30 pm

2 stops8h 22m

Montrose County

Tue 11/17

1:40 pm-8:59 pm

1 stop6h 19m

$444

St. LouisMontrose

STL Lambert-St Louis - MTJ Montrose County

STLMTJ

Lambert-St Louis

Tue 2/2

6:15 am-12:19 pm

1 stop7h 04m

Montrose County

Wed 2/3

1:30 pm-11:20 pm

2 stops8h 50m

$444

St. LouisMontrose

STL Lambert-St Louis - MTJ Montrose County

STLMTJ

Lambert-St Louis

Wed 3/10

3:00 pm-7:45 pm

1 stop5h 45m

Montrose County

Sun 3/14

4:45 pm-1:55 am

2 stops8h 10m

$472

St. LouisMontrose

STL Lambert-St Louis - MTJ Montrose County

STLMTJ

Lambert-St Louis

Wed 3/10

12:50 pm-7:45 pm

2 stops7h 55m

Montrose County

Sun 3/14

4:45 pm-1:55 am

2 stops8h 10m

$477

St. LouisMontrose

STL Lambert-St Louis - MTJ Montrose County

STLMTJ

Lambert-St Louis

Wed 3/10

3:00 pm-7:45 pm

1 stop5h 45m

Montrose County

Sun 3/14

10:40 am-5:45 pm

1 stop6h 05m

$538

St. LouisMontrose

STL Lambert-St Louis - MTJ Montrose County

STLMTJ

Lambert-St Louis

Mon 12/28

11:40 am-7:45 pm

2 stops9h 05m

Montrose County

Fri 1/1

8:55 am-7:30 pm

2 stops9h 35m

$846

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest month to fly to Montrose?

If you don’t want to visit Montrose in September, then you should wait until January to fly from St. Louis, when ticket prices are also cheap, with an average price of $275.

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

Best Price Found	$219
Fastest flight time	4h 46m
Direct flights	None

The best one-way flight to Montrose from St. Louis in the past 72 hours is $219. The best round-trip flight deal from St. Louis to Montrose found on momondo in the last 72 hours is $401.

The fastest flight from St. Louis to Montrose takes 4h 46m

There are no direct flights from St. Louis to Montrose. There are no popular flight routes from St. Louis to Montrose.

Search flight deals

Frequently asked questions about flying 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 4h 46m.
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?
There is 1 operator available for flights from Lambert-St Louis Airport to Montrose County Airport as of October 2026.
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?
Based on momondo bookings for flights between St. Louis and Montrose, the leading airline is United Airlines, making up 100% of the total bookings.

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
United Airlines	PriceFrom $210	Free Cancellation	Rating 7.4 10,382 reviews		Search United Airlines flights

Delta

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Montrose?

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.