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?

There are 2 operators available for flights from Montrose County Airport to Lambert-St Louis Airport as of November 2025.

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.

$299 Cheap Flights from Montrose to St. Louis in 2025/26

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Find the cheapest flights from Montrose to St. Louis

Round-trip

One-way

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Cheap round-trip flights

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1:35 pm - 8:45 pmMTJ-STL

6h 10m1 stop

10:00 am - 8:23 pmSTL-MTJ

11h 23m2 stops

$402United Airlines

Find Deal

Tue, Apr 7 - Wed, Apr 8

12:48 pm - 6:17 pmMTJ-STL

4h 29m1 stop

5:34 am - 11:11 amSTL-MTJ

6h 37m1 stop

$411American Airlines

Find Deal

Tue, Apr 7 - Wed, Apr 8

1:35 pm - 8:45 pmMTJ-STL

6h 10m1 stop

11:25 am - 8:23 pmSTL-MTJ

9h 58m2 stops

$441United Airlines

Find Deal

Tue, Apr 7 - Wed, Apr 8

7:30 am - 11:50 pmMTJ-STL

15h 20m2 stops

11:25 am - 8:23 pmSTL-MTJ

9h 58m2 stops

$446United Airlines

Find Deal

Tue, Apr 7 - Wed, Apr 8

1:35 pm - 10:59 pmMTJ-STL

8h 24m2 stops

10:00 am - 8:23 pmSTL-MTJ

11h 23m2 stops

$491United Airlines

Find Deal

Tue, Apr 7 - Wed, Apr 8

7:15 am - 12:38 pmMTJ-STL

4h 23m1 stop

4:43 pm - 8:20 pmSTL-MTJ

4h 37m1 stop

$503United Airlines

Find Deal

Thu, Nov 27 - Mon, Dec 1

7:15 am - 12:38 pmMTJ-STL

4h 23m1 stop

5:24 pm - 12:32 pmSTL-MTJ

20h 08m2 stops

$547United Airlines

Find Deal

Thu, Nov 27 - Mon, Dec 1

7:15 am - 12:38 pmMTJ-STL

4h 23m1 stop

5:24 pm - 12:32 pmSTL-MTJ

20h 08m3 stops

$576United Airlines

Find Deal

Thu, Nov 27 - Mon, Dec 1

1:15 pm - 10:01 pmMTJ-STL

7h 46m1 stop

6:35 pm - 8:26 pmSTL-MTJ

26h 51m2 stops

$668United Airlines

Find Deal

Fri, Dec 19 - Fri, Dec 26

1:22 pm - 10:43 pmMTJ-STL

8h 21m2 stops

6:35 pm - 8:26 pmSTL-MTJ

26h 51m2 stops

$896United Airlines

Find Deal

Fri, Dec 19 - Fri, Dec 26

Southwest flights from Montrose to St. Louis

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

Southwest

Nov 15

MTJ11:05 amMontrose County

4h 45m

1 stop

STL4:50 pmLambert-St Louis

Nov 17

STL5:35 amLambert-St Louis

6h 45m

1 stop

MTJ11:20 amMontrose County

$429

Find similar

Southwest

Nov 15

MTJ11:05 amMontrose County

4h 45m

1 stop

STL4:50 pmLambert-St Louis

Nov 17

STL8:15 pmLambert-St Louis

16h 05m

2 stops

MTJ11:20 amMontrose County

$465

Find similar

Southwest

Nov 22

MTJ12:10 pmMontrose County

9h 40m

2 stops

STL10:50 pmLambert-St Louis

Nov 27

STL5:45 amLambert-St Louis

4h 55m

1 stop

MTJ9:40 amMontrose County

$489

Find similar

United Airlines flights from Montrose to St. Louis

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

United Airlines

Nov 21

MTJ1:30 pmMontrose County

7h 24m

1 stop

STL9:54 pmLambert-St Louis

Nov 27

STL9:00 amLambert-St Louis

4h 29m

1 stop

MTJ12:29 pmMontrose County

$374

Find similar

United Airlines

Nov 22

MTJ7:15 amMontrose County

4h 24m

1 stop

STL12:39 pmLambert-St Louis

Nov 27

STL9:00 amLambert-St Louis

4h 29m

1 stop

MTJ12:29 pmMontrose County

$379

Find similar

United Airlines

Apr 7

MTJ1:35 pmMontrose County

6h 10m

1 stop

STL8:45 pmLambert-St Louis

Apr 8

STL10:00 amLambert-St Louis

11h 23m

2 stops

MTJ8:23 pmMontrose County

$402

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

Tue 4/7

1:35 pm-8:45 pm

1 stop6h 10m

Lambert-St Louis

Wed 4/8

10:00 am-8:23 pm

2 stops11h 23m

$402

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

Tue 4/7

12:48 pm-6:17 pm

1 stop4h 29m

Lambert-St Louis

Wed 4/8

5:34 am-11:11 am

1 stop6h 37m

$411

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

Tue 4/7

1:35 pm-8:45 pm

1 stop6h 10m

Lambert-St Louis

Wed 4/8

11:25 am-8:23 pm

2 stops9h 58m

$441

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

Tue 4/7

7:30 am-11:50 pm

2 stops15h 20m

Lambert-St Louis

Wed 4/8

11:25 am-8:23 pm

2 stops9h 58m

$446

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

Tue 4/7

1:35 pm-10:59 pm

2 stops8h 24m

Lambert-St Louis

Wed 4/8

10:00 am-8:23 pm

2 stops11h 23m

$491

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

Thu 11/27

7:15 am-12:38 pm

1 stop4h 23m

Lambert-St Louis

Mon 12/1

4:43 pm-8:20 pm

1 stop4h 37m

$503

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

Thu 11/27

7:15 am-12:38 pm

1 stop4h 23m

Lambert-St Louis

Mon 12/1

5:24 pm-12:32 pm

2 stops20h 08m

$547

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

Thu 11/27

7:15 am-12:38 pm

1 stop4h 23m

Lambert-St Louis

Mon 12/1

5:24 pm-12:32 pm

3 stops20h 08m

$576

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

Fri 12/19

1:15 pm-10:01 pm

1 stop7h 46m

Lambert-St Louis

Fri 12/26

6:35 pm-8:26 pm

2 stops26h 51m

$668

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

Fri 12/19

1:22 pm-10:43 pm

2 stops8h 21m

Lambert-St Louis

Fri 12/26

6:35 pm-8:26 pm

2 stops26h 51m

$896

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Thursday when prices can be found for as low as $346. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $607. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Montrose in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $351 when looking at flights departing in the afternoon. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $471 per ticket.

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

Direct flights	None

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

Search flight deals

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 4h 23m.
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?
There are 2 operators available for flights from Montrose County Airport to Lambert-St Louis Airport as of November 2025.
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?
Based on momondo bookings for flights between Montrose and St. Louis, the leading airline is United Airlines, making up 54% of the total bookings. Other popular airlines include American Airlines with 46%.

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
American Airlines	PriceFrom $227	Free Cancellation	Rating 7.2 11,051 reviews		Search American Airlines flights
United Airlines	PriceFrom $234	Free Cancellation	Rating 7.4 9,017 reviews		Search United Airlines flights

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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.