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Cheap flights from Montrose to St. Louis from $168

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montrose to St. Louis departing on 6/24. 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 Montrose to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
2:21 pm - 9:39 pm
MTJ
-
STL
6h 18m
1 stop
American Airlines Logo
5:29 am - 9:45 am
STL
-
MTJ
5h 16m
1 stop
$335American Airlines
Tue, Jul 14 - Wed, Jul 15
United Airlines Logo
1:43 pm - 8:43 pm
MTJ
-
STL
6h 00m
1 stop
United Airlines Logo
8:46 am - 12:41 pm
STL
-
MTJ
4h 55m
1 stop
$351United Airlines
Sat, May 2 - Tue, May 5
United Airlines Logo
7:00 am - 2:28 pm
MTJ
-
STL
6h 28m
1 stop
United Airlines Logo
11:15 am - 8:18 pm
STL
-
MTJ
10h 03m
2 stops
$356United Airlines
Sat, May 2 - Tue, May 5
American Airlines Logo
2:21 pm - 9:39 pm
MTJ
-
STL
6h 18m
1 stop
American Airlines Logo
5:29 am - 9:45 am
STL
-
MTJ
5h 16m
1 stop
$359American Airlines
Tue, Jul 14 - Wed, Jul 15
United Airlines Logo
1:43 pm - 11:19 pm
MTJ
-
STL
8h 36m
2 stops
United Airlines Logo
11:15 am - 8:18 pm
STL
-
MTJ
10h 03m
2 stops
$361United Airlines
Sat, May 2 - Tue, May 5
United Airlines Logo
1:43 pm - 8:43 pm
MTJ
-
STL
6h 00m
1 stop
United Airlines Logo
4:06 pm - 8:18 pm
STL
-
MTJ
5h 12m
1 stop
$365United Airlines
Sat, May 2 - Tue, May 5
United Airlines Logo
1:43 pm - 8:43 pm
MTJ
-
STL
6h 00m
1 stop
United Airlines Logo
9:21 am - 8:18 pm
STL
-
MTJ
11h 57m
2 stops
$370United Airlines
Sat, May 2 - Tue, May 5
United Airlines Logo
1:43 pm - 11:19 pm
MTJ
-
STL
8h 36m
2 stops
United Airlines Logo
9:21 am - 8:18 pm
STL
-
MTJ
11h 57m
2 stops
$375United Airlines
Sat, May 2 - Tue, May 5
Southwest Logo
8:15 am - 5:40 pm
MTJ
-
STL
8h 25m
2 stops
Southwest Logo
1:45 pm - 7:25 pm
STL
-
MTJ
6h 40m
1 stop
$388Southwest
Tue, Jul 14 - Wed, Jul 15
American Airlines Logo
10:15 am - 6:33 pm
MTJ
-
STL
7h 18m
1 stop
American Airlines Logo
8:25 am - 1:31 pm
STL
-
MTJ
6h 06m
1 stop
$405American Airlines
Fri, Jun 26 - Sat, Jul 4

American Airlines flights from Montrose to St. Louis

Our best American Airlines deals on Montrose to St. Louis flight tickets
American Airlines
Jul 14
MTJ2:21 pmMontrose County
6h 18m
1 stop
STL9:39 pmLambert-St Louis
Jul 15
STL5:29 amLambert-St Louis
5h 16m
1 stop
MTJ9:45 amMontrose County
$335
American Airlines
Jul 14
MTJ2:21 pmMontrose County
6h 18m
1 stop
STL9:39 pmLambert-St Louis
Jul 15
STL5:29 amLambert-St Louis
5h 16m
1 stop
MTJ9:45 amMontrose County
$359
American Airlines
Jun 26
MTJ10:15 amMontrose County
7h 18m
1 stop
STL6:33 pmLambert-St Louis
Jul 4
STL8:25 amLambert-St Louis
6h 06m
1 stop
MTJ1:31 pmMontrose County
$405

United Airlines flights from Montrose to St. Louis

Our best United Airlines deals on Montrose to St. Louis flight tickets
United Airlines
May 2
MTJ1:43 pmMontrose County
6h 00m
1 stop
STL8:43 pmLambert-St Louis
May 5
STL8:46 amLambert-St Louis
4h 55m
1 stop
MTJ12:41 pmMontrose County
$351
United Airlines
May 2
MTJ7:00 amMontrose County
6h 28m
1 stop
STL2:28 pmLambert-St Louis
May 5
STL11:15 amLambert-St Louis
10h 03m
2 stops
MTJ8:18 pmMontrose County
$356
United Airlines
May 2
MTJ1:43 pmMontrose County
8h 36m
2 stops
STL11:19 pmLambert-St Louis
May 5
STL11:15 amLambert-St Louis
10h 03m
2 stops
MTJ8:18 pmMontrose County
$361

momondo Fare Finder

 
Customize your flight search to find flights from Montrose to St. Louis 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 April 14, 2026.
Use the filters below to find and compare flights from Montrose to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

Tue 7/14

2:21 pm-9:39 pm

1 stop6h 18m

Lambert-St Louis

Wed 7/15

5:29 am-9:45 am

1 stop5h 16m

$335
Quickest round-trip

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

Sat 5/2

1:43 pm-8:43 pm

1 stop6h 00m

Lambert-St Louis

Tue 5/5

8:46 am-12:41 pm

1 stop4h 55m

$351

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

Sat 5/2

7:00 am-2:28 pm

1 stop6h 28m

Lambert-St Louis

Tue 5/5

11:15 am-8:18 pm

2 stops10h 03m

$356

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

Tue 7/14

2:21 pm-9:39 pm

1 stop6h 18m

Lambert-St Louis

Wed 7/15

5:29 am-9:45 am

1 stop5h 16m

$359

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

Sat 5/2

1:43 pm-11:19 pm

2 stops8h 36m

Lambert-St Louis

Tue 5/5

11:15 am-8:18 pm

2 stops10h 03m

$361

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

Sat 5/2

1:43 pm-8:43 pm

1 stop6h 00m

Lambert-St Louis

Tue 5/5

4:06 pm-8:18 pm

1 stop5h 12m

$365

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

Sat 5/2

1:43 pm-8:43 pm

1 stop6h 00m

Lambert-St Louis

Tue 5/5

9:21 am-8:18 pm

2 stops11h 57m

$370

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

Sat 5/2

1:43 pm-11:19 pm

2 stops8h 36m

Lambert-St Louis

Tue 5/5

9:21 am-8:18 pm

2 stops11h 57m

$375

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

Tue 7/14

8:15 am-5:40 pm

2 stops8h 25m

Lambert-St Louis

Wed 7/15

1:45 pm-7:25 pm

1 stop6h 40m

$388

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

Fri 6/26

10:15 am-6:33 pm

1 stop7h 18m

Lambert-St Louis

Sat 7/4

8:25 am-1:31 pm

1 stop6h 06m

$405

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to St. Louis from

How to get the cheapest flight ticket from Montrose to St. Louis

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

American Airlines, Southwest, and United Airlines are the most popular carriers operating from Montrose County to Lambert-St Louis

When to book flights from Montrose to St. Louis

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

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

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

Fastest flight time

6h 13m

Direct flights

None
The fastest flight from Montrose to St. Louis takes 6h 13m
There are no direct flights from Montrose to St. Louis. There are no popular flight routes from Montrose to St. Louis.
Search flight deals

Frequently asked questions about flying from Montrose to St. Louis

  • How far is Montrose County to Lambert-St Louis by plane?

    Lambert-St Louis is 953.1 mi away from Montrose County. In terms of flight time, this usually takes a little over 6h 13m.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Montrose County Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Best airlines flying from Montrose to St. Louis

Compare and see reviews for airlines that fly from Montrose to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $182Free CancellationRating
7.4
9,581 reviews
Search United Airlines flights
American AirlinesPriceFrom $274Free CancellationRating
7.1
11,573 reviews
Search American Airlines flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Maryland Heights
O'Fallon
Florissant
St. Peters
Collinsville
Alton
Wentzville
Fenton
Farmington
Clayton
Festus
Eureka
Litchfield
Edwardsville
Shrewsbury
Grafton

Why use momondo?

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

Finding the right flight to St. Louis from Montrose is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to St. Louis quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to St. Louis from Montrose with this policy.

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

Once you have performed a search for Montrose to St. Louis 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 Montrose to St. Louis right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to St. Louis from Montrose. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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