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Cheap flights from St. Louis to Montrose from $171

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 6/10. 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.
United Airlines Logo
4:48 pm - 8:10 pm
STL
-
MTJ
4h 22m
1 stop
United Airlines Logo
3:25 pm - 11:57 pm
MTJ
-
STL
7h 32m
1 stop
$354United Airlines
Fri, May 22 - Tue, May 26
United Airlines Logo
4:40 pm - 8:12 pm
STL
-
MTJ
4h 32m
1 stop
United Airlines Logo
3:23 pm - 8:39 pm
MTJ
-
STL
4h 16m
1 stop
$360United Airlines
Tue, Aug 25 - Wed, Aug 26
United Airlines Logo
7:01 am - 8:12 pm
STL
-
MTJ
14h 11m
2 stops
United Airlines Logo
3:23 pm - 8:39 pm
MTJ
-
STL
4h 16m
1 stop
$370United Airlines
Tue, Aug 25 - Wed, Aug 26
United Airlines Logo
6:00 am - 11:43 am
STL
-
MTJ
6h 43m
1 stop
United Airlines Logo
12:31 pm - 9:26 pm
MTJ
-
STL
7h 55m
1 stop
$393United Airlines
Wed, Jul 1 - Tue, Jul 7
United Airlines Logo
7:30 am - 2:27 pm
STL
-
MTJ
7h 57m
2 stops
United Airlines Logo
1:40 pm - 9:22 pm
MTJ
-
STL
6h 42m
2 stops
$459United Airlines
Tue, Aug 25 - Wed, Aug 26
American Airlines Logo
7:12 am - 12:02 pm
STL
-
MTJ
5h 50m
1 stop
American Airlines Logo
2:21 pm - 9:42 pm
MTJ
-
STL
6h 21m
1 stop
$476American Airlines
Wed, May 20 - Sun, May 24
United Airlines Logo
5:10 am - 2:44 pm
STL
-
MTJ
10h 34m
1 stop
United Airlines Logo
3:25 pm - 11:57 pm
MTJ
-
STL
7h 32m
1 stop
$484United Airlines
Wed, Jun 3 - Wed, Jun 10
United Airlines Logo
7:22 am - 2:44 pm
STL
-
MTJ
8h 22m
2 stops
United Airlines Logo
3:25 pm - 9:10 pm
MTJ
-
STL
4h 45m
1 stop
$510United Airlines
Wed, Jun 3 - Wed, Jun 10
United Airlines Logo
6:00 am - 11:43 am
STL
-
MTJ
6h 43m
1 stop
United Airlines Logo
1:30 pm - 8:43 pm
MTJ
-
STL
6h 13m
1 stop
$520United Airlines
Fri, Jul 10 - Fri, Jul 17
American Airlines Logo
6:51 pm - 1:34 pm
STL
-
MTJ
19h 43m
1 stop
American Airlines Logo
2:21 pm - 10:00 pm
MTJ
-
STL
6h 39m
1 stop
$543American Airlines
Thu, Sep 24 - Sat, Sep 26

United Airlines flights from St. Louis to Montrose

Our best United Airlines deals on St. Louis to Montrose flight tickets
United Airlines
May 22
STL4:48 pmLambert-St Louis
4h 22m
1 stop
MTJ8:10 pmMontrose County
May 26
MTJ3:25 pmMontrose County
7h 32m
1 stop
STL11:57 pmLambert-St Louis
$354
United Airlines
Aug 25
STL4:40 pmLambert-St Louis
4h 32m
1 stop
MTJ8:12 pmMontrose County
Aug 26
MTJ3:23 pmMontrose County
4h 16m
1 stop
STL8:39 pmLambert-St Louis
$360
United Airlines
Aug 25
STL7:01 amLambert-St Louis
14h 11m
2 stops
MTJ8:12 pmMontrose County
Aug 26
MTJ3:23 pmMontrose County
4h 16m
1 stop
STL8:39 pmLambert-St Louis
$370

Southwest flights from St. Louis to Montrose

Our best Southwest deals on St. Louis to Montrose flight tickets
Southwest
May 22
STL11:15 amLambert-St Louis
8h 55m
2 stops
MTJ7:10 pmMontrose County
May 26
MTJ8:45 amMontrose County
4h 05m
1 stop
STL1:50 pmLambert-St Louis
$589
Southwest
May 22
STL11:15 amLambert-St Louis
8h 55m
2 stops
MTJ7:10 pmMontrose County
May 26
MTJ8:45 amMontrose County
8h 10m
2 stops
STL5:55 pmLambert-St Louis
$594
Southwest
May 20
STL10:15 amLambert-St Louis
10h 40m
2 stops
MTJ7:55 pmMontrose County
May 24
MTJ9:15 amMontrose County
7h 15m
2 stops
STL5:30 pmLambert-St Louis
$728

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 May 7, 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

Fri 5/22

4:48 pm-8:10 pm

1 stop4h 22m

Montrose County

Tue 5/26

3:25 pm-11:57 pm

1 stop7h 32m

$354
Quickest round-trip

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Tue 8/25

4:40 pm-8:12 pm

1 stop4h 32m

Montrose County

Wed 8/26

3:23 pm-8:39 pm

1 stop4h 16m

$360

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Tue 8/25

7:01 am-8:12 pm

2 stops14h 11m

Montrose County

Wed 8/26

3:23 pm-8:39 pm

1 stop4h 16m

$370

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Wed 7/1

6:00 am-11:43 am

1 stop6h 43m

Montrose County

Tue 7/7

12:31 pm-9:26 pm

1 stop7h 55m

$393

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Tue 8/25

7:30 am-2:27 pm

2 stops7h 57m

Montrose County

Wed 8/26

1:40 pm-9:22 pm

2 stops6h 42m

$459

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Wed 5/20

7:12 am-12:02 pm

1 stop5h 50m

Montrose County

Sun 5/24

2:21 pm-9:42 pm

1 stop6h 21m

$476

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Wed 6/3

5:10 am-2:44 pm

1 stop10h 34m

Montrose County

Wed 6/10

3:25 pm-11:57 pm

1 stop7h 32m

$484

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Wed 6/3

7:22 am-2:44 pm

2 stops8h 22m

Montrose County

Wed 6/10

3:25 pm-9:10 pm

1 stop4h 45m

$510

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Fri 7/10

6:00 am-11:43 am

1 stop6h 43m

Montrose County

Fri 7/17

1:30 pm-8:43 pm

1 stop6h 13m

$520

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Thu 9/24

6:51 pm-1:34 pm

1 stop19h 43m

Montrose County

Sat 9/26

2:21 pm-10:00 pm

1 stop6h 39m

$543

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 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 December to fly from St. Louis, when ticket prices are also cheap, with an average price of $325.

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 32m

Direct flights

None
The fastest flight from St. Louis to Montrose takes 4h 32m
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 32m.

  • 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
9,690 reviews
Search United Airlines flights
American AirlinesPriceFrom $236Free CancellationRating
7.1
11,669 reviews
Search American Airlines flights

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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