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Montrose

$229+ Cheap flights from St. Louis to Montrose (STL - MTJ)

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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MTJ
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
1 adult, Economy
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Cheap flight deals from St. Louis to Montrose

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Montrose (MTJ). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 18, 2025.

Round-trip from

$229
(American Airlines)

Popular in

September

Cheapest in

August

Average price

$303
From Lambert-St Louis to Montrose County
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($11 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from St. Louis to Montrose

Cheapest flights from St. Louis to Montrose
Explore the most affordable flight options available from St. Louis to Montrose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 18, 2025.

This American Airlines deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/247:01 amSTL - MTJ
1 stop7h 46mAmerican Airlines
Wed 8/272:37 pmMTJ - STL
1 stop7h 37mAmerican Airlines
Deal found 6/17$229
This United Airlines deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/249:00 amSTL - MTJ
1 stop4h 47mUnited Airlines
Wed 8/277:30 amMTJ - STL
2 stops7h 14mUnited Airlines
Deal found 6/17$304
This Southwest deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/279:50 amSTL - MTJ
1 stop4h 25mSouthwest
Fri 7/412:30 pmMTJ - STL
1 stop3h 45mSouthwest
Deal found 6/17$534

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated June 18, 2025.
Use the filters below to find and compare flights from St. Louis to Montrose that are best for you.

Fly from

St. Louis

Fly to

Montrose

Route

Depart

Return

Price

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Sun 8/24

7:01 am-1:47 pm

1 stop7h 46m

Montrose County

Wed 8/27

2:37 pm-11:14 pm

1 stop7h 37m

$229

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Sun 8/24

9:00 am-12:47 pm

1 stop4h 47m

Montrose County

Wed 8/27

7:30 am-3:44 pm

2 stops7h 14m

$304

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Fri 7/11

5:05 am-1:15 pm

2 stops9h 10m

Montrose County

Mon 7/14

1:55 pm-12:05 am

2 stops9h 10m

$550

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Fri 6/27

7:20 am-1:49 pm

1 stop7h 29m

$356

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Fri 6/27

5:25 am-1:15 pm

2 stops8h 50m

$449

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Wed 7/2

5:15 am-8:51 pm

1 stop16h 36m

$487

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/18

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

Have a flexible travel schedule? Discover the best time to fly to Montrose from St. Louis 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 St. Louis to Montrose

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

Currently, October is the cheapest month in which you can book a flight from St. Louis to Montrose (average of $371). Flying from St. Louis to Montrose in March is currently the most expensive (average of $542). 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.

Rainfall in Montrose by month

Plan your trip to Montrose by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Montrose ranges from 0.4 - 1.2 inches per month. August is typically the wettest month, when rainfall can reach 1.2 in. January is typically the driest time to visit Montrose when rainfall is around 0.4 in.

Temperature in Montrose by month

Plan your trip to Montrose by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Montrose, 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

Reviews of airlines servicing Montrose

Get insights into the airlines that provide service to Montrose. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Montrose. Reviews last updated June 18, 2025.
To help decide which airline to fly from St. Louis to Montrose, see what other customers have to say about Southwest, United Airlines and American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,279 reviews

Overall

8.0

Food

7.1

Crew

8.6

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very good
4,279 reviews
Southwest
8.0
Very good
4,279 reviews

Overall

8.0

Food

7.1

Crew

8.6

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
United Airlines
7.4
Good
8,812 reviews
Southwest
8.0
Very good
4,279 reviews

Overall

8.0

Food

7.1

Crew

8.6

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,279 reviews

Overall

8.0

Food

7.1

Crew

8.6

Boarding

8.2

Entertainment

7.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Related info for your journey

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

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

    Currently priced at $229, American Airlines will fly you from St. Louis to Montrose and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Southwest - these airlines can fly you to your destination from $304 and $550, respectively. American Airlines is priced at 52% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from St. Louis to Montrose one-way?

    The cheapest airlines for a one-way flight from St. Louis to Montrose are American Airlines ($356), Southwest ($449), and United Airlines ($487).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Montrose 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 St. Louis to Montrose?

    Currently, October is the cheapest month in which you can book a flight from St. Louis to Montrose (average of $371). Flying from St. Louis to Montrose in March is currently the most expensive (average of $542). 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.

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Top 3 airlines flying from St. Louis to Montrose

Discover the top 3 airlines that operate flights from St. Louis to Montrose. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$259Average$365FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$281Average$549FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$397Average$568FlexibilityNo cancel feeOn-time63%

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