Aspen

$354+ Cheap flights from Missouri to Aspen (ASE)

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 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ASE
Dec 6 — Dec 131
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Cheap flight deals from Missouri to Aspen

Keep the following information in mind while searching for Missouri to Aspen flight deals. Data was last updated November 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$354
(Delta)

Popular in

March

Cheapest in

September

Average price

$635
Provider with most accurate pricing for Lambert-St Louis-Aspen Pitkin County flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Aspen Pitkin County flights.
From Missouri to Aspen Pitkin County
Highest demand for flights based on searches. 16% potential increase in price ($109 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($22 potential savings vs. average RT price).
Average for round-trip flights in November 2025

Find flight deals from Missouri to Aspen

Cheapest flights from Missouri to Aspen
Explore the most affordable flight options available from Missouri to Aspen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 6, 2025.

This Delta deal was found by Cheapflights users on 11/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/206:00 amSTL - ASE
1 stop6h 21mDelta
Mon 11/241:05 pmASE - STL
1 stop7h 53mDelta
Deal found 11/5$354
This United Airlines deal was found by Cheapflights users on 11/5. 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.
Thu 11/206:00 amMCI - ASE
1 stop5h 36mUnited Airlines
Mon 11/241:35 pmASE - MCI
1 stop6h 12mUnited Airlines
Deal found 11/5$359
This United Airlines deal was found by Cheapflights users on 11/6. 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.
Sat 12/69:00 amCOU - ASE
1 stop6h 26mUnited Airlines
Tue 12/91:42 pmASE - COU
1 stop5h 47mUnited Airlines
Deal found 11/6$368
This United Airlines deal was found by Cheapflights users on 11/6. 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.
Wed 12/1710:00 amSTL - ASE
2 stops7h 31mUnited Airlines
Sat 12/201:30 pmASE - STL
1 stop7h 25mUnited Airlines
Deal found 11/6$381
This American Airlines deal was found by Cheapflights users on 11/6. 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.
Tue 12/235:54 amSTL - ASE
1 stop7h 31mAmerican Airlines
Sun 12/282:53 pmASE - STL
1 stop7h 51mAmerican Airlines
Deal found 11/6$395
This United Airlines deal was found by Cheapflights users on 11/5. 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.
Sat 11/221:47 pmMCI - ASE
1 stop5h 41mUnited Airlines
Fri 11/281:35 pmASE - MCI
1 stop6h 12mUnited Airlines
Deal found 11/5$419
This United Airlines deal was found by Cheapflights users on 11/5. 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.
Thu 11/279:05 amMCI - ASE
1 stop26h 31mUnited Airlines
Sun 11/307:10 pmASE - MCI
1 stop6h 35mUnited Airlines
Deal found 11/5$469
This United Airlines deal was found by Cheapflights users on 11/6. 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.
Thu 11/61:35 pmSTL - ASE
1 stop5h 53mUnited Airlines
Sun 11/97:10 amASE - STL
1 stop4h 29mUnited Airlines
Deal found 11/6$489
This United Airlines deal was found by Cheapflights users on 11/5. 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.
Tue 12/239:55 amSTL - ASE
1 stop6h 35mUnited Airlines
Sun 12/2811:10 amASE - STL
2 stops10h 33mUnited Airlines
Deal found 11/5$494
This United Airlines deal was found by Cheapflights users on 11/5. 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.
Sat 12/202:45 pmSTL - ASE
1 stop7h 50mUnited Airlines
Sat 12/275:00 pmASE - STL
1 stop4h 22mUnited Airlines
Deal found 11/5$502
This American Airlines deal was found by Cheapflights users on 11/5. 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.
Thu 11/205:17 amSTL - ASE
1 stop7h 25mAmerican Airlines
Mon 11/247:34 amASE - STL
2 stops15h 22mAmerican Airlines
Deal found 11/5$558
This United Airlines deal was found by Cheapflights users on 11/5. 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.
Thu 11/206:30 amSTL - ASE
2 stops6h 59mUnited Airlines
Mon 11/248:30 amASE - STL
2 stops9h 46mUnited Airlines
Deal found 11/5$615

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri to Aspen 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 November 6, 2025.
Use the filters below to find and compare flights from Missouri to Aspen that are best for you.

Fly from

Missouri

Fly to

Aspen

Route

Depart

Return

Price

St. LouisAspen

STL - ASE

STLASE

Lambert-St Louis

Thu 11/20

6:00 am-11:21 am

1 stop6h 21m

Aspen Pitkin County

Mon 11/24

1:05 pm-9:58 pm

1 stop7h 53m

$354

Kansas CityAspen

MCI - ASE

MCIASE

Kansas City

Thu 11/20

6:00 am-10:36 am

1 stop5h 36m

Aspen Pitkin County

Mon 11/24

1:35 pm-8:47 pm

1 stop6h 12m

$359

ColumbiaAspen

COU - ASE

COUASE

Columbia Regional

Sat 12/6

9:00 am-2:26 pm

1 stop6h 26m

Aspen Pitkin County

Tue 12/9

1:42 pm-8:29 pm

1 stop5h 47m

$368

St. LouisAspen

STL - ASE

STLASE

Lambert-St Louis

Wed 12/17

10:00 am-4:31 pm

2 stops7h 31m

Aspen Pitkin County

Sat 12/20

1:30 pm-9:55 pm

1 stop7h 25m

$381

St. LouisAspen

STL - ASE

STLASE

Lambert-St Louis

Tue 12/23

7:00 am-2:23 pm

1 stop8h 23m

Aspen Pitkin County

Sun 12/28

2:53 pm-11:44 pm

1 stop7h 51m

$395

Kansas CityAspen

MCI - ASE

MCIASE

Kansas City

Sat 11/22

1:47 pm-6:28 pm

1 stop5h 41m

Aspen Pitkin County

Fri 11/28

1:35 pm-8:47 pm

1 stop6h 12m

$419

Kansas CityAspen

MCI - ASE

MCIASE

Kansas City

Thu 11/27

9:05 am-10:36 am

1 stop26h 31m

Aspen Pitkin County

Sun 11/30

7:10 pm-2:45 am

1 stop6h 35m

$469

St. LouisAspen

STL - ASE

STLASE

Lambert-St Louis

Tue 12/23

9:55 am-3:30 pm

1 stop6h 35m

Aspen Pitkin County

Sun 12/28

11:10 am-10:43 pm

2 stops10h 33m

$494

St. LouisAspen

STL - ASE

STLASE

Lambert-St Louis

Sat 12/20

2:45 pm-9:35 pm

1 stop7h 50m

Aspen Pitkin County

Sat 12/27

5:00 pm-10:22 pm

1 stop4h 22m

$502

St. LouisAspen

STL - ASE

STLASE

Lambert-St Louis

Thu 11/20

5:17 am-11:42 am

1 stop7h 25m

Aspen Pitkin County

Mon 11/24

7:34 am-11:56 pm

2 stops15h 22m

$558

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 15 results
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Best time to book a flight from Missouri to Aspen

Have a flexible travel schedule? Discover the best time to fly to Aspen from Missouri 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 Missouri to Aspen

What is the cheapest month to book a flight from Missouri to Aspen?

Currently, November is the cheapest month in which you can book a flight from Missouri to Aspen (average of $172). Flying from Missouri to Aspen in March is currently the most expensive (average of $325). 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.

What is the cheapest time of day to fly from MO to ASE?

Find hourly flight availability from Missouri to Aspen. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 6, 2025.

A simple way to save on the total cost of your ticket is to fly from Missouri to Aspen in the afternoon. If you’re flexible enough to do this you can expect to save up to 29% on your trip compared to booking a flight at noon.

Related info for your journey

Find useful and relevant information for your journey from Missouri to Aspen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Aspen from Missouri?

    Aspen Pitkin County (ASE), located 3.5 mi from the city center, is the airport you fly into when you book flights from Missouri to Aspen.

  • How long is the flight from Missouri to Aspen?

    There are many flights that can get you from Missouri to Aspen in 5h 36m. Fly via Delta, United Airlines, or American Airlines to get the fastest option. The distance between Missouri and Aspen is about 649 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Missouri to Aspen?

  • Can I find deals for flights from Missouri to Aspen that include hotel bookings?

    Yes. In addition to deals on Missouri to Aspen flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missouri to Aspen?

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

  • Can I find deals for business class flights from Missouri to Aspen?

    Yes. Cheapflights offers flight deals from Missouri to Aspen 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 Missouri to Aspen?

    Currently, November is the cheapest month in which you can book a flight from Missouri to Aspen (average of $172). Flying from Missouri to Aspen in March is currently the most expensive (average of $325). 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

Traveling to a place near Aspen?

Book flights to Aspen if you plan to visit one of these locations
Snowmass Village
Buena Vista
Snowmass

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Missouri to Aspen

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Missouri to Aspen

Discover the top 2 airlines that operate flights from Missouri to Aspen. 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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$288Average$519FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$288Average$508FlexibilityNo cancel feeOn-time71%

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