How long is the flight from Montrose to St. Louis?

For as low as $281, Delta can have you in St. Louis from Montrose in 5h 16m. The distance from Montrose to St. Louis is about 944 mi. This flight may include one or multiple stops.

What are the cheapest airlines flying from Montrose to St. Louis round-trip?

According to our current data, United Airlines ($182), and American Airlines ($227) offers the cheapest pricing from Montrose to St. Louis. You may be able to fly from Montrose to St. Louis for 57% less than the average price by searching for these airlines.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

What is the cheapest time of day to fly from MTJ to STL?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Montrose to St. Louis as you normally would.

Most accurate provider : When it comes to deals on Montrose-St. Louis flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Montrose-St. Louis flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Montrose-St. Louis flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Montrose-St. Louis flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Montrose-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Montrose to St. Louis that include hotel bookings?

Yes. In addition to deals on Montrose to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Montrose to St. Louis?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montrose to St. Louis.

Can I find deals for business class flights from Montrose to St. Louis?

Yes. Cheapflights offers flight deals from Montrose to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$258+ Flights from Montrose to St. Louis

Q: How much does it cost to fly round-trip from Montrose to St. Louis?

Airfare is below average for this route at the moment. Montrose to St. Louis flights typically cost between $368 and $464 in January. The cheapest round-trip price found within the last 3 days was $258 on Delta (Jan 14-Jan 18).

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Montrose to St. Louis

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$258 (Delta)
Popular in	July
Cheapest in	August
Average price	$421

Provider with most accurate pricing for Montrose County-Lambert-St Louis flight deals.

Search Deals

Provider most trusted by Cheapflights users for Montrose County-Lambert-St Louis flights.

Search Deals

From Montrose County to Lambert-St Louis

Search Deals

Highest demand for flights based on searches. 3% potential increase in price ($15 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($24 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Find flight deals from Montrose to St. Louis

Cheapest flights from Montrose to St. Louis
Explore the most affordable flight options available from Montrose to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 1, 2025.

Mon 12/151:35 pmMTJ - STL

1 stop6h 22mUnited Airlines

Fri 12/199:00 amSTL - MTJ

1 stop6h 44mUnited Airlines

Deal found 11/30

$503

Fri 12/191:15 pmMTJ - STL

1 stop7h 46mUnited Airlines

Fri 12/262:45 pmSTL - MTJ

1 stop6h 41mUnited Airlines

Deal found 11/30

$833

Best flights from Montrose to St. Louis
Discover carefully curated flight deals from Montrose to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 1, 2025.

Wed 1/142:05 pmMTJ - STL

1 stop8h 34mDelta

Sun 1/187:10 amSTL - MTJ

1 stop6h 58mDelta

Deal found 11/29

$258

Sun 1/187:00 amMTJ - STL

1 stop5h 16mUnited Airlines

Fri 1/238:45 amSTL - MTJ

1 stop6h 47mUnited Airlines

Deal found 12/1

$281

Wed 5/138:45 amMTJ - STL

2 stops8h 10mSouthwest

Wed 5/2010:25 amSTL - MTJ

2 stops10h 30mSouthwest

Deal found 12/1

$405

Wed 1/141:32 pmMTJ - STL

2 stops8h 26mUnited Airlines

Sun 1/188:45 amSTL - MTJ

1 stop6h 47mUnited Airlines

Deal found 11/29

$286

Mon 12/151:35 pmMTJ - STL

1 stop6h 22mUnited Airlines

Fri 12/199:00 amSTL - MTJ

1 stop6h 44mUnited Airlines

Deal found 11/30

$503

Last-minute flights from Montrose to St. Louis
Discover last-minute flight deals from Montrose to St. Louis. Data last updated December 1, 2025 and is based on user searches.

Mon 12/151:35 pmMTJ - STL

1 stop6h 22mUnited Airlines

Fri 12/199:00 amSTL - MTJ

1 stop6h 44mUnited Airlines

Deal found 11/30

$503

Fri 12/191:15 pmMTJ - STL

1 stop7h 46mUnited Airlines

Fri 12/262:45 pmSTL - MTJ

1 stop6h 41mUnited Airlines

Deal found 11/30

$833

Wed 1/142:05 pmMTJ - STL

1 stop8h 34mDelta

Sun 1/187:10 amSTL - MTJ

1 stop6h 58mDelta

Deal found 11/29

$258

Wed 1/141:32 pmMTJ - STL

2 stops8h 26mUnited Airlines

Sun 1/188:45 amSTL - MTJ

1 stop6h 47mUnited Airlines

Deal found 11/29

$286

Sun 1/187:00 amMTJ - STL

1 stop5h 16mUnited Airlines

Fri 1/238:45 amSTL - MTJ

1 stop6h 47mUnited Airlines

Deal found 12/1

$281

Fly from

Fly to

Route

Depart

Return

Price

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

Wed 1/14

2:05 pm-11:39 pm

1 stop8h 34m

Lambert-St Louis

Sun 1/18

7:10 am-1:08 pm

1 stop6h 58m

$258

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

Sun 1/18

7:00 am-1:16 pm

1 stop5h 16m

Lambert-St Louis

Fri 1/23

8:45 am-2:32 pm

1 stop6h 47m

$281

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

Wed 1/14

1:32 pm-10:58 pm

2 stops8h 26m

Lambert-St Louis

Sun 1/18

8:45 am-2:32 pm

1 stop6h 47m

$286

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

Wed 5/13

8:45 am-5:55 pm

2 stops8h 10m

Lambert-St Louis

Wed 5/20

10:25 am-7:55 pm

2 stops10h 30m

$405

MontroseSt. Louis

MTJ - STL

MTJSTL

Montrose County

Mon 12/15

1:35 pm-8:57 pm

1 stop6h 22m

Lambert-St Louis

Fri 12/19

9:00 am-2:44 pm

1 stop6h 44m

$503

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/29

Compare providers for flights from Montrose to St. Louis

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Montrose to St. Louis in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Montrose-St. Louis flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Montrose-St. Louis flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Montrose-St. Louis flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Montrose-St. Louis flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Montrose-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Montrose to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Montrose with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Montrose to St. Louis

What is the cheapest month to book a flight from Montrose to St. Louis?

Currently, September is the cheapest month in which you can book a flight from Montrose to St. Louis (average of $190). Flying from Montrose to St. Louis in February is currently the most expensive (average of $429). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Montrose to St. Louis?

Reviews of airlines servicing St. Louis

Read reviews from past customers who have flown United Airlines and American Airlines from Montrose to St. Louis. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

9,065 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

United Airlines

7.4

Good

9,065 reviews

United Airlines

7.4

Good

9,065 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

American Airlines

7.2

Good

11,041 reviews

United Airlines

7.4

Good

9,065 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

How long is the flight from Montrose to St. Louis?
For as low as $281, Delta can have you in St. Louis from Montrose in 5h 16m. The distance from Montrose to St. Louis is about 944 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from Montrose to St. Louis round-trip?
According to our current data, United Airlines ($182), and American Airlines ($227) offers the cheapest pricing from Montrose to St. Louis. You may be able to fly from Montrose to St. Louis for 57% less than the average price by searching for these airlines.
Can I find deals for flights from Montrose to St. Louis that include hotel bookings?
Yes. In addition to deals on Montrose to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Montrose to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montrose to St. Louis.
Can I find deals for business class flights from Montrose to St. Louis?
Yes. Cheapflights offers flight deals from Montrose to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Montrose to St. Louis?
Currently, September is the cheapest month in which you can book a flight from Montrose to St. Louis (average of $190). Flying from Montrose to St. Louis in February is currently the most expensive (average of $429). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Other flights to St. Louis

Top 2 airlines flying from Montrose to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$182	Average$473	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$227	Average$436	FlexibilityNo cancel fee	On-time71%

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$258+ Cheap flights from Montrose to St. Louis (MTJ - STL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/14. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Montrose to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Montrose to St. Louis

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Montrose to St. Louis

Cheapest flights from Montrose to St. LouisExplore the most affordable flight options available from Montrose to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 1, 2025.

Explore the most affordable flight options available from Montrose to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 1, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Montrose to St. Louis that are best for you.

Compare providers for flights from Montrose to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Montrose to St. Louis in December.

Best time to book a flight from Montrose to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Montrose with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Montrose to St. Louis

What is the cheapest month to book a flight from Montrose to St. Louis?

How much does it cost to fly round-trip from Montrose to St. Louis?

Reviews of airlines servicing St. Louis

Read reviews from past customers who have flown United Airlines and American Airlines from Montrose to St. Louis. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Montrose to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Montrose to St. Louis?

What are the cheapest airlines flying from Montrose to St. Louis round-trip?

Can I find deals for flights from Montrose to St. Louis that include hotel bookings?

How can I find direct flights from Montrose to St. Louis?

Can I find deals for business class flights from Montrose to St. Louis?

What is the cheapest month to book a flight from Montrose to St. Louis?

Traveling to a place near St. Louis?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Montrose to St. Louis

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Top 2 airlines flying from Montrose to St. Louis

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Cheapest flights from Montrose to St. Louis
Explore the most affordable flight options available from Montrose to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 1, 2025.