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

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

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 September 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.

$119 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

Cheap round-trip flights

7:30 am - 11:58 pmMTJ-STL

15h 28m1 stop

5:15 am - 8:19 pmSTL-MTJ

16h 04m1 stop

$480United Airlines

Find Deal

Thu, Oct 9 - Mon, Oct 13

1:30 pm - 9:54 pmMTJ-STL

7h 24m1 stop

4:43 pm - 8:20 pmSTL-MTJ

4h 37m1 stop

$499United Airlines

Find Deal

Sat, Nov 22 - Fri, Nov 28

3:25 pm - 11:58 pmMTJ-STL

7h 33m1 stop

5:28 pm - 12:46 pmSTL-MTJ

20h 18m2 stops

$521United Airlines

Find Deal

Thu, Oct 9 - Mon, Oct 13

1:30 pm - 9:54 pmMTJ-STL

7h 24m1 stop

6:15 am - 8:20 pmSTL-MTJ

15h 05m3 stops

$663United Airlines

Find Deal

Sat, Nov 22 - Fri, Nov 28

1:30 pm - 9:54 pmMTJ-STL

7h 24m1 stop

6:15 am - 8:20 pmSTL-MTJ

15h 05m2 stops

$672United Airlines

Find Deal

Sat, Nov 22 - Fri, Nov 28

3:28 pm - 8:58 pmMTJ-STL

4h 30m1 stop

2:45 pm - 8:17 pmSTL-MTJ

6h 32m1 stop

$740United Airlines

Find Deal

Tue, Jan 13 - Wed, Jan 14

3:25 pm - 10:22 pmMTJ-STL

5h 57m1 stop

4:17 pm - 8:32 pmSTL-MTJ

29h 15m2 stops

$787United Airlines

Find Deal

Fri, Dec 19 - Fri, Dec 26

2:43 pm - 10:56 pmMTJ-STL

7h 13m1 stop

6:44 pm - 2:03 pmSTL-MTJ

20h 19m1 stop

$837American Airlines

Find Deal

Fri, Dec 19 - Fri, Dec 26

1:34 pm - 10:43 pmMTJ-STL

8h 09m2 stops

4:17 pm - 8:32 pmSTL-MTJ

29h 15m2 stops

$882United Airlines

Find Deal

Fri, Dec 19 - Fri, Dec 26

12:21 pm - 7:22 pmMTJ-STL

6h 01m1 stop

5:11 pm - 11:43 amSTL-MTJ

19h 32m2 stops

$912American Airlines

Find Deal

Fri, Dec 19 - Fri, Dec 26

United Airlines flights from Montrose to St. Louis

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

United Airlines

Oct 9

MTJ7:30 amMontrose County

15h 28m

1 stop

STL11:58 pmLambert-St Louis

Oct 13

STL5:15 amLambert-St Louis

16h 04m

1 stop

MTJ8:19 pmMontrose County

$480

Find similar

United Airlines

Nov 22

MTJ1:30 pmMontrose County

7h 24m

1 stop

STL9:54 pmLambert-St Louis

Nov 28

STL4:43 pmLambert-St Louis

4h 37m

1 stop

MTJ8:20 pmMontrose County

$499

Find similar

United Airlines

Oct 9

MTJ3:25 pmMontrose County

7h 33m

1 stop

STL11:58 pmLambert-St Louis

Oct 13

STL5:28 pmLambert-St Louis

20h 18m

2 stops

MTJ12:46 pmMontrose County

$521

Find similar

American Airlines flights from Montrose to St. Louis

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

American Airlines

Dec 19

MTJ2:43 pmMontrose County

7h 13m

1 stop

STL10:56 pmLambert-St Louis

Dec 26

STL6:44 pmLambert-St Louis

20h 19m

1 stop

MTJ2:03 pmMontrose County

$837

Find similar

American Airlines

Dec 19

MTJ12:21 pmMontrose County

6h 01m

1 stop

STL7:22 pmLambert-St Louis

Dec 26

STL5:11 pmLambert-St Louis

19h 32m

2 stops

MTJ11:43 amMontrose County

$912

Find similar

American Airlines

Oct 9

MTJ7:30 amMontrose County

11h 56m

2 stops

STL8:26 pmLambert-St Louis

Oct 13

STL6:00 amLambert-St Louis

13h 07m

2 stops

MTJ6:07 pmMontrose County

$1,132

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

Thu 10/9

7:30 am-11:58 pm

1 stop15h 28m

Lambert-St Louis

Mon 10/13

5:15 am-8:19 pm

1 stop16h 04m

$480

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

Sat 11/22

1:30 pm-9:54 pm

1 stop7h 24m

Lambert-St Louis

Fri 11/28

4:43 pm-8:20 pm

1 stop4h 37m

$499

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

Thu 10/9

3:25 pm-11:58 pm

1 stop7h 33m

Lambert-St Louis

Mon 10/13

5:28 pm-12:46 pm

2 stops20h 18m

$521

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

Sat 11/22

1:30 pm-9:54 pm

1 stop7h 24m

Lambert-St Louis

Fri 11/28

6:15 am-8:20 pm

3 stops15h 05m

$663

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

Sat 11/22

1:30 pm-9:54 pm

1 stop7h 24m

Lambert-St Louis

Fri 11/28

6:15 am-8:20 pm

2 stops15h 05m

$672

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

Tue 1/13

3:28 pm-8:58 pm

1 stop4h 30m

Lambert-St Louis

Wed 1/14

2:45 pm-8:17 pm

1 stop6h 32m

$740

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

Fri 12/19

3:25 pm-10:22 pm

1 stop5h 57m

Lambert-St Louis

Fri 12/26

4:17 pm-8:32 pm

2 stops29h 15m

$787

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

Fri 12/19

2:43 pm-10:56 pm

1 stop7h 13m

Lambert-St Louis

Fri 12/26

6:44 pm-2:03 pm

1 stop20h 19m

$837

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

Fri 12/19

1:34 pm-10:43 pm

2 stops8h 09m

Lambert-St Louis

Fri 12/26

4:17 pm-8:32 pm

2 stops29h 15m

$882

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

Fri 12/19

12:21 pm-7:22 pm

1 stop6h 01m

Lambert-St Louis

Fri 12/26

5:11 pm-11:43 am

2 stops19h 32m

$912

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted 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

Prices

Airlines

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 30m.
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 September 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 American Airlines, making up 50% of the total bookings. Other popular airlines include United Airlines with 50%.

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 Airlines	PriceFrom $182	Free Cancellation	Rating 7.4 8,929 reviews		Search United Airlines flights
American Airlines	PriceFrom $227	Free Cancellation	Rating 7.2 10,000 reviews		Search American 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.

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Cheap flights from Montrose to St. Louis from $119

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 10/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Filter for what you want

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Find the cheapest flights from Montrose to St. Louis

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United Airlines flights from Montrose to St. Louis

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American Airlines flights from Montrose to St. Louis

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

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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?

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

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

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

When to book flights from Montrose to St. Louis

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

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

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

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?

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

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

Traveling to a place near St. Louis?

Why use momondo?

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

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

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

I’m not ready to book a flight from Montrose to St. Louis right now. Can momondo alert me if prices change?

An easier way to manage your St. Louis trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Missouri