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

American Airlines, Southwest, and United Airlines are the most popular carriers 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 are 2 operators available for flights from Lambert-St Louis Airport to Montrose County Airport as of March 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.

$126 Cheap Flights from St. Louis to Montrose in 2026

Q: What is the typical price of a round-trip flight between St. Louis and Montrose?

Prices are currently low for flights on this route. Typical prices usually range from $324 to $445. The lowest price recently found on this route was $271.

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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.

5:20 am - 11:58 am

STL

MTJ

7h 38m

1 stop

12:42 pm - 7:30 pm

MTJ

STL

5h 48m

1 stop

$271American Airlines

Tue, Apr 28 - Wed, Apr 29

7:12 am - 11:58 am

STL

MTJ

5h 46m

1 stop

12:42 pm - 7:30 pm

MTJ

STL

5h 48m

1 stop

$273American Airlines

Sat, May 2 - Sat, May 9

9:10 am - 8:20 pm

STL

MTJ

12h 10m

2 stops

1:40 pm - 8:54 pm

MTJ

STL

6h 14m

1 stop

$276United Airlines

Tue, Apr 28 - Wed, Apr 29

7:12 am - 11:58 am

STL

MTJ

5h 46m

1 stop

2:21 pm - 9:37 pm

MTJ

STL

6h 16m

1 stop

$285American Airlines

Sun, May 17 - Fri, May 29

6:10 am - 6:50 pm

STL

MTJ

13h 40m

2 stops

8:30 am - 6:05 pm

MTJ

STL

8h 35m

2 stops

$287Southwest

Sat, May 2 - Sat, May 9

6:10 am - 6:50 pm

STL

MTJ

13h 40m

2 stops

8:30 am - 4:30 pm

MTJ

STL

7h 00m

1 stop

$296Southwest

Sat, May 2 - Sat, May 9

8:54 am - 2:31 pm

STL

MTJ

6h 37m

1 stop

3:37 pm - 8:54 pm

MTJ

STL

4h 17m

1 stop

$299United Airlines

Wed, Apr 1 - Sun, Apr 5

10:00 am - 8:20 pm

STL

MTJ

11h 20m

2 stops

1:40 pm - 8:54 pm

MTJ

STL

6h 14m

1 stop

$304United Airlines

Wed, Apr 1 - Sun, Apr 5

9:10 am - 8:20 pm

STL

MTJ

12h 10m

2 stops

1:40 pm - 11:11 pm

MTJ

STL

8h 31m

2 stops

$306United Airlines

Tue, Apr 28 - Wed, Apr 29

5:20 am - 11:58 am

STL

MTJ

7h 38m

1 stop

2:21 pm - 9:37 pm

MTJ

STL

6h 16m

1 stop

$335American Airlines

Thu, Apr 16 - Thu, May 21

United Airlines flights from St. Louis to Montrose

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

United Airlines

Apr 28

STL9:10 amLambert-St Louis

12h 10m

2 stops

MTJ8:20 pmMontrose County

Apr 29

MTJ1:40 pmMontrose County

6h 14m

1 stop

STL8:54 pmLambert-St Louis

$276

United Airlines

Apr 1

STL8:54 amLambert-St Louis

6h 37m

1 stop

MTJ2:31 pmMontrose County

Apr 5

MTJ3:37 pmMontrose County

4h 17m

1 stop

STL8:54 pmLambert-St Louis

$299

United Airlines

Apr 1

STL10:00 amLambert-St Louis

11h 20m

2 stops

MTJ8:20 pmMontrose County

Apr 5

MTJ1:40 pmMontrose County

6h 14m

1 stop

STL8:54 pmLambert-St Louis

$304

Southwest flights from St. Louis to Montrose

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

Southwest

May 2

STL6:10 amLambert-St Louis

13h 40m

2 stops

MTJ6:50 pmMontrose County

May 9

MTJ8:30 amMontrose County

8h 35m

2 stops

STL6:05 pmLambert-St Louis

$287

Southwest

May 2

STL6:10 amLambert-St Louis

13h 40m

2 stops

MTJ6:50 pmMontrose County

May 9

MTJ8:30 amMontrose County

7h 00m

1 stop

STL4:30 pmLambert-St Louis

$296

Southwest

Apr 3

STL6:15 amLambert-St Louis

6h 20m

1 stop

MTJ11:35 amMontrose County

Apr 6

MTJ8:20 amMontrose County

9h 25m

2 stops

STL6:45 pmLambert-St Louis

$380

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Tue 4/28

5:20 am-11:58 am

1 stop7h 38m

Montrose County

Wed 4/29

12:42 pm-7:30 pm

1 stop5h 48m

$271

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Sat 5/2

7:12 am-11:58 am

1 stop5h 46m

Montrose County

Sat 5/9

12:42 pm-7:30 pm

1 stop5h 48m

$273

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Tue 4/28

9:10 am-8:20 pm

2 stops12h 10m

Montrose County

Wed 4/29

1:40 pm-8:54 pm

1 stop6h 14m

$276

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Sun 5/17

7:12 am-11:58 am

1 stop5h 46m

Montrose County

Fri 5/29

2:21 pm-9:37 pm

1 stop6h 16m

$285

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Sat 5/2

6:10 am-6:50 pm

2 stops13h 40m

Montrose County

Sat 5/9

8:30 am-6:05 pm

2 stops8h 35m

$287

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Sat 5/2

6:10 am-6:50 pm

2 stops13h 40m

Montrose County

Sat 5/9

8:30 am-4:30 pm

1 stop7h 00m

$296

Quickest round-trip

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Wed 4/1

8:54 am-2:31 pm

1 stop6h 37m

Montrose County

Sun 4/5

3:37 pm-8:54 pm

1 stop4h 17m

$299

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Wed 4/1

10:00 am-8:20 pm

2 stops11h 20m

Montrose County

Sun 4/5

1:40 pm-8:54 pm

1 stop6h 14m

$304

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Tue 4/28

9:10 am-8:20 pm

2 stops12h 10m

Montrose County

Wed 4/29

1:40 pm-11:11 pm

2 stops8h 31m

$306

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Thu 4/16

5:20 am-11:58 am

1 stop7h 38m

Montrose County

Thu 5/21

2:21 pm-9:37 pm

1 stop6h 16m

$335

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 typical price of a round-trip flight between St. Louis and Montrose?

What is the cheapest month to fly to Montrose?

If you don’t want to visit Montrose in January, then you should wait until June to fly from St. Louis, when ticket prices are also cheap, with an average price of $305.

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	4h 22m
Direct flights	None

The fastest flight from St. Louis to Montrose takes 4h 22m

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

Search flight deals

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 22m.
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 are 2 operators available for flights from Lambert-St Louis Airport to Montrose County Airport as of March 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 66% of the total bookings. Other popular airlines include American Airlines with 34%.

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 9,450 reviews		Search United Airlines flights
American Airlines	PriceFrom $240	Free Cancellation	Rating 7.1 11,480 reviews		Search American 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.