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Cheap flights from St. Louis to Montrose from $219

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 9/11. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Montrose

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
8:36 am - 1:30 pm
STL
-
MTJ
5h 54m
1 stop
American Airlines Logo
2:21 pm - 8:26 pm
MTJ
-
STL
5h 05m
1 stop
$271American Airlines
Tue, Aug 25 - Tue, Sep 1
Southwest Logo
4:05 pm - 7:25 pm
STL
-
MTJ
4h 20m
1 stop
Southwest Logo
9:05 am - 5:55 pm
MTJ
-
STL
7h 50m
2 stops
$276Southwest
Tue, Aug 25 - Tue, Sep 1
Southwest Logo
10:45 am - 7:25 pm
STL
-
MTJ
9h 40m
2 stops
Southwest Logo
9:05 am - 5:55 pm
MTJ
-
STL
7h 50m
2 stops
$281Southwest
Tue, Aug 25 - Tue, Sep 1
United Airlines Logo
9:00 am - 12:35 pm
STL
-
MTJ
4h 35m
1 stop
United Airlines Logo
1:37 pm - 10:59 pm
MTJ
-
STL
8h 22m
2 stops
$290United Airlines
Sat, Oct 17 - Sat, Oct 24
American Airlines Logo
6:36 am - 1:30 pm
STL
-
MTJ
7h 54m
1 stop
American Airlines Logo
2:21 pm - 8:26 pm
MTJ
-
STL
5h 05m
1 stop
$305American Airlines
Wed, Aug 12 - Tue, Aug 18
American Airlines Logo
6:36 am - 1:30 pm
STL
-
MTJ
7h 54m
1 stop
American Airlines Logo
2:21 pm - 12:54 pm
MTJ
-
STL
21h 33m
2 stops
$338American Airlines
Tue, Aug 25 - Tue, Sep 1
Southwest Logo
11:55 am - 7:25 pm
STL
-
MTJ
8h 30m
2 stops
Southwest Logo
9:05 am - 5:55 pm
MTJ
-
STL
7h 50m
2 stops
$345Southwest
Wed, Aug 12 - Tue, Aug 18
Southwest Logo
11:35 am - 7:25 pm
STL
-
MTJ
8h 50m
2 stops
Southwest Logo
9:05 am - 6:45 pm
MTJ
-
STL
8h 40m
1 stop
$346Southwest
Wed, Aug 12 - Tue, Aug 18
United Airlines Logo
9:13 am - 12:41 pm
STL
-
MTJ
4h 28m
1 stop
United Airlines Logo
1:35 pm - 8:59 pm
MTJ
-
STL
6h 24m
1 stop
$351United Airlines
Tue, Dec 8 - Wed, Dec 9
United Airlines Logo
6:30 am - 8:09 pm
STL
-
MTJ
14h 39m
2 stops
United Airlines Logo
7:30 am - 12:43 pm
MTJ
-
STL
4h 13m
1 stop
$378United Airlines
Tue, Dec 8 - Wed, Dec 9

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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
Oct 17
STL9:00 amLambert-St Louis
4h 35m
1 stop
MTJ12:35 pmMontrose County
Oct 24
MTJ1:37 pmMontrose County
8h 22m
2 stops
STL10:59 pmLambert-St Louis
$290
United Airlines
Dec 8
STL9:13 amLambert-St Louis
4h 28m
1 stop
MTJ12:41 pmMontrose County
Dec 9
MTJ1:35 pmMontrose County
6h 24m
1 stop
STL8:59 pmLambert-St Louis
$351
United Airlines
Dec 8
STL6:30 amLambert-St Louis
14h 39m
2 stops
MTJ8:09 pmMontrose County
Dec 9
MTJ7:30 amMontrose County
4h 13m
1 stop
STL12:43 pmLambert-St Louis
$378

Southwest flights from St. Louis to Montrose

Our best Southwest deals on St. Louis to Montrose flight tickets
Southwest
Aug 25
STL4:05 pmLambert-St Louis
4h 20m
1 stop
MTJ7:25 pmMontrose County
Sep 1
MTJ9:05 amMontrose County
7h 50m
2 stops
STL5:55 pmLambert-St Louis
$276
Southwest
Aug 25
STL10:45 amLambert-St Louis
9h 40m
2 stops
MTJ7:25 pmMontrose County
Sep 1
MTJ9:05 amMontrose County
7h 50m
2 stops
STL5:55 pmLambert-St Louis
$281
Southwest
Aug 12
STL11:55 amLambert-St Louis
8h 30m
2 stops
MTJ7:25 pmMontrose County
Aug 18
MTJ9:05 amMontrose County
7h 50m
2 stops
STL5:55 pmLambert-St Louis
$345

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 June 23, 2026.
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

Cheapest round-trip

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Tue 8/25

8:36 am-1:30 pm

1 stop5h 54m

Montrose County

Tue 9/1

2:21 pm-8:26 pm

1 stop5h 05m

$271

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Tue 8/25

4:05 pm-7:25 pm

1 stop4h 20m

Montrose County

Tue 9/1

9:05 am-5:55 pm

2 stops7h 50m

$276

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Tue 8/25

10:45 am-7:25 pm

2 stops9h 40m

Montrose County

Tue 9/1

9:05 am-5:55 pm

2 stops7h 50m

$281

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Sat 10/17

9:00 am-12:35 pm

1 stop4h 35m

Montrose County

Sat 10/24

1:37 pm-10:59 pm

2 stops8h 22m

$290

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Wed 8/12

6:36 am-1:30 pm

1 stop7h 54m

Montrose County

Tue 8/18

2:21 pm-8:26 pm

1 stop5h 05m

$305

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Tue 8/25

6:36 am-1:30 pm

1 stop7h 54m

Montrose County

Tue 9/1

2:21 pm-12:54 pm

2 stops21h 33m

$338

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Wed 8/12

11:55 am-7:25 pm

2 stops8h 30m

Montrose County

Tue 8/18

9:05 am-5:55 pm

2 stops7h 50m

$345

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Wed 8/12

11:35 am-7:25 pm

2 stops8h 50m

Montrose County

Tue 8/18

9:05 am-6:45 pm

1 stop8h 40m

$346
Quickest round-trip

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Tue 12/8

9:13 am-12:41 pm

1 stop4h 28m

Montrose County

Wed 12/9

1:35 pm-8:59 pm

1 stop6h 24m

$351

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Tue 12/8

6:30 am-8:09 pm

2 stops14h 39m

Montrose County

Wed 12/9

7:30 am-12:43 pm

1 stop4h 13m

$378

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 month to fly to Montrose?

If you don’t want to visit Montrose in January, then you should wait until April to fly from St. Louis, when ticket prices are also cheap, with an average price of $327.

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 35m

Direct flights

None
The fastest flight from St. Louis to Montrose takes 4h 35m
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 35m.

  • 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
United AirlinesPriceFrom $210Free CancellationRating
7.4
9,875 reviews
Search United Airlines flights
American AirlinesPriceFrom $236Free CancellationRating
7.1
11,739 reviews
Search American Airlines flights

  • United Airlines Flights From St. Louis to Montrose

    United Airlines flight deals from St. Louis to Montrose start from $210 round-trip. Over the 3 United Airlines flights for this route in a normal week, average airfare is usually $397 round-trip - but some users have found much cheaper deals with momondo.

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 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.

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