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Aspen

$269+ 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ASE
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
1 adult, Economy
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Cheap 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 February 12, 2026.

This American Airlines deal was found by Cheapflights users on 2/10. 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.
Wed 3/45:12 am
STL
-
ASE
1 stop5h 59m
American Airlines
Wed 3/113:46 pm
ASE
-
STL
1 stop6h 58m
American Airlines
Deal found 2/10$269
This United Airlines deal was found by Cheapflights users on 2/9. 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 7/225:15 am
STL
-
ASE
1 stop4h 28m
United Airlines
Mon 7/276:25 pm
ASE
-
STL
1 stop4h 33m
United Airlines
Deal found 2/9$290
This United Airlines deal was found by Cheapflights users on 2/10. 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.
Mon 3/95:15 am
STL
-
ASE
1 stop7h 05m
United Airlines
Sat 3/145:16 pm
ASE
-
STL
1 stop5h 18m
United Airlines
Deal found 2/10$318
This United Airlines deal was found by Cheapflights users on 2/8. 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 11/39:13 am
STL
-
ASE
1 stop6h 08m
United Airlines
Sat 11/73:30 pm
ASE
-
STL
1 stop4h 29m
United Airlines
Deal found 2/8$339
This United Airlines deal was found by Cheapflights users on 2/10. 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 3/49:55 am
STL
-
ASE
2 stops11h 47m
United Airlines
Wed 3/112:27 pm
ASE
-
STL
2 stops7h 32m
United Airlines
Deal found 2/10$349
This United Airlines deal was found by Cheapflights users on 2/9. 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 2/241:50 pm
MCI
-
ASE
1 stop3h 57m
United Airlines
Sat 2/284:59 pm
ASE
-
MCI
1 stop5h 18m
United Airlines
Deal found 2/9$359
This United Airlines deal was found by Cheapflights users on 2/9. 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 7/235:15 am
STL
-
ASE
1 stop6h 21m
United Airlines
Tue 7/285:25 pm
ASE
-
STL
1 stop5h 33m
United Airlines
Deal found 2/9$370
This United Airlines deal was found by Cheapflights users on 2/11. 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 2/265:54 am
MCI
-
ASE
1 stop4h 09m
United Airlines
Mon 3/26:28 pm
ASE
-
MCI
1 stop3h 49m
United Airlines
Deal found 2/11$429
This American Airlines deal was found by Cheapflights users on 2/11. 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 12/151:20 pm
STL
-
ASE
1 stop7h 18m
American Airlines
Sat 12/192:47 pm
ASE
-
STL
1 stop7h 09m
American Airlines
Deal found 2/11$449
This United Airlines deal was found by Cheapflights users on 2/9. 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 7/225:15 am
STL
-
ASE
1 stop4h 28m
United Airlines
Tue 7/282:22 pm
ASE
-
STL
2 stops9h 07m
United Airlines
Deal found 2/9$512
This United Airlines deal was found by Cheapflights users on 2/10. 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 2/258:00 am
MCI
-
ASE
1 stop8h 20m
United Airlines
Sun 3/16:28 pm
ASE
-
MCI
1 stop3h 49m
United Airlines
Deal found 2/10$625
This American Airlines deal was found by Cheapflights users on 2/10. 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.
Wed 2/186:40 am
MCI
-
ASE
1 stop6h 29m
American Airlines
Sun 2/223:46 pm
ASE
-
MCI
1 stop7h 12m
American Airlines
Deal found 2/10$1,015

Find flight deals from Missouri to Aspen

Keep the following information in mind while searching for Missouri to Aspen flight deals. Data was last updated February 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$269
(American Airlines)

Popular in

November

Cheapest in

June

Average price

$749
Provider with most accurate pricing for Lambert-St Louis-Aspen Pitkin County flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Aspen Pitkin County flights.
Search Deals
From Missouri to Aspen Pitkin County
Search Deals
High demand for flights, 5% potential price rise
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 12, 2026.
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

Wed 3/4

5:12 am-10:11 am

1 stop5h 59m

Aspen Pitkin County

Wed 3/11

3:46 pm-11:44 pm

1 stop6h 58m

$269

St. LouisAspen

STL - ASE

STLASE

Lambert-St Louis

Mon 3/9

5:15 am-11:20 am

1 stop7h 05m

Aspen Pitkin County

Sat 3/14

5:16 pm-11:34 pm

1 stop5h 18m

$318

St. LouisAspen

STL - ASE

STLASE

Lambert-St Louis

Wed 3/4

6:00 pm-9:34 pm

1 stop4h 34m

Aspen Pitkin County

Wed 3/11

2:27 pm-10:59 pm

2 stops7h 32m

$344

Kansas CityAspen

MCI - ASE

MCIASE

Kansas City

Tue 2/24

1:50 pm-4:47 pm

1 stop3h 57m

Aspen Pitkin County

Sat 2/28

4:59 pm-11:17 pm

1 stop5h 18m

$359

Kansas CityAspen

MCI - ASE

MCIASE

Kansas City

Thu 2/26

5:54 am-9:03 am

1 stop4h 09m

Aspen Pitkin County

Mon 3/2

6:28 pm-11:17 pm

1 stop3h 49m

$429

Kansas CityAspen

MCI - ASE

MCIASE

Kansas City

Wed 2/25

8:00 am-3:20 pm

1 stop8h 20m

Aspen Pitkin County

Sun 3/1

6:28 pm-11:17 pm

1 stop3h 49m

$625

St. LouisAspen

STL - ASE

STLASE

Lambert-St Louis

Wed 2/25

9:35 am-4:06 pm

1 stop7h 31m

Aspen Pitkin County

Sun 3/1

4:36 pm-10:58 pm

1 stop5h 22m

$690

St. LouisAspen

STL - ASE

STLASE

Lambert-St Louis

Fri 2/20

7:41 am-3:20 pm

1 stop8h 39m

Aspen Pitkin County

Mon 2/23

5:33 pm-9:23 am

2 stops14h 50m

$715

St. LouisAspen

STL - ASE

STLASE

Lambert-St Louis

Fri 2/20

9:35 am-4:06 pm

1 stop7h 31m

Aspen Pitkin County

Mon 2/23

3:46 pm-11:48 pm

1 stop7h 02m

$725

St. LouisAspen

STL - ASE

STLASE

Lambert-St Louis

Sat 3/14

5:00 am-10:06 am

1 stop6h 06m

Aspen Pitkin County

Sat 3/21

6:28 pm-11:34 pm

1 stop4h 06m

$783

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Showing 1-10 of 13 results
1
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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 July is currently the most expensive (average of $285). 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.

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 59m. Fly via American Airlines or United Airlines to get the fastest option. The distance between Missouri and Aspen is about 885 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?

    The most popular route from Missouri to Aspen is Lambert-St Louis - Aspen Pitkin County. You may also consider Columbia Regional - Aspen Pitkin County or Kansas City - Aspen Pitkin County.

  • 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 July is currently the most expensive (average of $285). 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

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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 February 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$236Average$392FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$269Average$480FlexibilityNo cancel feeOn-time69%

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