Cheap flights from St. Louis to Aspen (STL - ASE) from $396

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 5/29. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — ASE
May 6 — May 131

Cheap flight deals from St. Louis to Aspen

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Aspen (ASE). 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 May 1, 2024.

Popular in

May

Cheapest in

November

Average price

$1,168

Round-trip from

$463
High demand for flights, 46% potential price rise
Best time to find cheap flights, 26% potential price drop
Average for round-trip flights in May 2024
From Lambert-St Louis to Aspen Pitkin County

What is the cheapest day to fly round-trip from St. Louis to Aspen?

Flying to your destination on a Wednesday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Aspen. Check prices with Cheapflights to find a great deal for your trip.

What is the cheapest month to fly from St. Louis to Aspen?

Due to multiple factors, expect to potentially pay more when booking in May. For low rates, November can be a great choice for travel to Aspen. Flights to Aspen from St. Louis in November are about $625 on average during November, but can be found for as low as $460.

When is the cheapest time to fly from St. Louis to Aspen (STL - ASE)?

When flying from St. Louis to Aspen, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 11% versus a flight in the afternoon.

Cheap American Airlines flights from St. Louis to Aspen

Explore cheap flight options specifically provided by American Airlines for the route between St. Louis and Aspen. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,899,487 searches. Data last updated May 1, 2024.
Take a look at some of the lowest-priced American Airlines flights heading from St. Louis to Aspen. Be sure to come back soon if the deals available don't appeal to you at this time.
Fri 7/125:22 amSTL - ASE
1 stop5h 35mAmerican Airlines
Wed 7/172:36 pmASE - STL
1 stop7h 16mAmerican Airlines
Deal found 5/1$432
Fri 7/125:46 pmSTL - ASE
2 stops19h 26mAmerican Airlines
Wed 7/172:36 pmASE - STL
1 stop7h 16mAmerican Airlines
Deal found 5/1$854
Fri 6/147:00 amSTL - ASE
1 stop8h 01mAmerican Airlines
Mon 6/176:26 pmASE - STL
2 stops13h 28mAmerican Airlines
Deal found 4/30$945

Cheap United Airlines flights from St. Louis to Aspen

Explore cheap flight options specifically provided by United Airlines for the route between St. Louis and Aspen. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,899,487 searches. Data last updated May 1, 2024.
Some of the best deals we've found on United Airlines flights traveling from St. Louis to Aspen. Ensure the flight price, dates, time, and airline match your criteria before you book.
Fri 6/145:31 pmSTL - ASE
1 stop5h 06mUnited Airlines
Mon 6/178:52 amASE - STL
1 stop10h 57mUnited Airlines
Deal found 4/30$648
Fri 7/128:05 amSTL - ASE
2 stops11h 23mUnited Airlines
Wed 7/179:30 amASE - STL
1 stop6h 18mUnited Airlines
Deal found 5/1$768

Cheap St. Louis to Aspen flights in May & June 2024

Find cheap flight options from St. Louis to Aspen specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,899,487 searches. Prices were last updated on May 1, 2024.
Listed are some of the best fares we've found on flights departing from St. Louis to Aspen in 2024. Check back in a little while for more flight options.
Wed 5/295:21 amSTL - ASE
1 stop7h 40mAmerican Airlines
Wed 6/510:37 amASE - STL
1 stop6h 54mAmerican Airlines
Deal found 5/1$396
Wed 5/2910:15 amSTL - ASE
2 stops10h 55mUnited Airlines
Wed 6/59:08 amASE - STL
1 stop5h 33mUnited Airlines
Deal found 5/1$553

St. Louis to Aspen 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Aspen in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,899,487 searches. Data last updated May 1, 2024.
Listed are some of the best fares we've found on flights departing from St. Louis to Aspen in 2024. Check back in a little while for more flight options.
Wed 5/295:21 amSTL - ASE
1 stop7h 40mAmerican Airlines
Wed 6/510:37 amASE - STL
1 stop6h 54mAmerican Airlines
Deal found 5/1$396
Fri 7/125:22 amSTL - ASE
1 stop5h 35mAmerican Airlines
Wed 7/172:36 pmASE - STL
1 stop7h 16mAmerican Airlines
Deal found 5/1$432
Mon 9/161:39 pmSTL - ASE
1 stop5h 52mUnited Airlines
Mon 9/239:04 amASE - STL
1 stop11h 24mUnited Airlines
Deal found 5/1$548
Wed 5/2910:15 amSTL - ASE
2 stops10h 55mUnited Airlines
Wed 6/59:08 amASE - STL
1 stop5h 33mUnited Airlines
Deal found 5/1$553
Mon 9/164:51 pmSTL - ASE
1 stop4h 24mUnited Airlines
Mon 9/233:30 pmASE - STL
2 stops17h 37mUnited Airlines
Deal found 5/1$623
Fri 6/145:31 pmSTL - ASE
1 stop5h 06mUnited Airlines
Mon 6/178:52 amASE - STL
1 stop10h 57mUnited Airlines
Deal found 4/30$648
Mon 9/165:20 pmSTL - ASE
3 stops21h 29mUnited Airlines
Mon 9/239:04 amASE - STL
1 stop11h 24mUnited Airlines
Deal found 5/1$712
Wed 9/111:39 pmSTL - ASE
1 stop5h 52mUnited Airlines
Sun 9/159:32 amASE - STL
1 stop10h 56mUnited Airlines
Deal found 5/1$718
Fri 7/128:05 amSTL - ASE
2 stops11h 23mUnited Airlines
Wed 7/179:30 amASE - STL
1 stop6h 18mUnited Airlines
Deal found 5/1$768

Find flights from St. Louis to Aspen within your budget

Customize your flight search to find flights from St. Louis 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 2,899,487 searches. Data last updated May 1, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$432 - $945

Route

Depart

Return

Price

Lambert-St LouisAspen Pitkin County

STL - ASE

STLASE

Lambert-St Louis

Fri 7/12

1 stop5h 35m

Aspen Pitkin County

Wed 7/17

1 stop7h 16m

$432

Lambert-St LouisAspen Pitkin County

STL - ASE

STLASE

Lambert-St Louis

Fri 6/14

1 stop5h 06m

Aspen Pitkin County

Mon 6/17

1 stop10h 57m

$648

Lambert-St LouisAspen Pitkin County

STL - ASE

STLASE

Lambert-St Louis

Fri 7/12

2 stops11h 23m

Aspen Pitkin County

Wed 7/17

1 stop6h 18m

$768

Lambert-St LouisAspen Pitkin County

STL - ASE

STLASE

Lambert-St Louis

Fri 7/12

2 stops19h 26m

Aspen Pitkin County

Wed 7/17

1 stop7h 16m

$854

Lambert-St LouisAspen Pitkin County

STL - ASE

STLASE

Lambert-St Louis

Fri 6/14

1 stop8h 01m

Aspen Pitkin County

Mon 6/17

2 stops13h 28m

$945

Flights are sorted by cheapest first

Deals found on 5/1

When is the cheapest time to fly from St. Louis to Aspen?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Aspen. Price data was last updated on April 28, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Aspen flight should consider departing on Tuesday mornings when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Aspen by month

Plan your trip from St. Louis to Aspen by taking into account the cheapest months to travel. The average price of a one-way flight from St. Louis to Aspen is currently $0 while a round-trip flight costs $729. Price data was last updated on April 28, 2024.

Currently, May is the cheapest month in which you can book a flight from St. Louis to Aspen (average of $463). Flying from St. Louis to Aspen in March is currently the most expensive (average of $656). 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.

January

$517

February

$563

March

$656

April

$521

May

$463

June

$580

July

$599

August

$544

September

$580

October

$517

November

$519

December

$562

Temperature and rainfall in Aspen by month

Plan your trip to Aspen by taking into account the average temperature and rainfall totals by month.

ASE

Temperature

19.4 - 64.4 °F

Reviews of airlines servicing Aspen

Get insights into the airlines that provide service to Aspen. 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 Aspen. Reviews last updated May 1, 2024.
Peruse reviews from past customers who have flown with American Airlines and United Airlines from St. Louis to Aspen to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
7.4
Good
11,159 reviews

Overall

7.4

Comfort

7.2

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.7

Reviews

1 / 10

The staff were pleasant. There was no food or entertainment.

7.4
Good
11,159 reviews
7.4
Good
11,159 reviews

Overall

7.4

Comfort

7.2

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.7

Reviews

1 / 10

The staff were pleasant. There was no food or entertainment.

7.3
Good
14,788 reviews
7.4
Good
11,159 reviews

Overall

7.4

Comfort

7.2

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.7

Reviews

1 / 10

The staff were pleasant. There was no food or entertainment.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Aspen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • Can I find flights from St. Louis to Aspen for under $500 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Aspen for under $500. The cheapest flight booked recently is on American Airlines for just $432, but on average you can expect to pay $729.

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

    Flying on American Airlines is currently your cheapest option to Aspen, with prices starting at $432. Another option worth looking into is United Airlines, starting at $648 round trip. American Airlines is currently priced 30% below the average price you’ll pay for this route.

  • What does STL to ASE mean?

    STL stands for Lambert-St Louis Airport, while ASE stands for Aspen Pitkin County Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

  • Can I find deals for flights from St. Louis to Aspen that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Aspen flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Aspen with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Aspen flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis 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.

  • Can I find deals for flights from St. Louis to Aspen that allow pets onboard?

    Many airlines flying from St. Louis to Aspen offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Aspen?

    Yes, you can often find last-minute deals on St. Louis to Aspen flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Aspen flight deals updated?

    The St. Louis to Aspen flight deals you see on this page were last updated on 5/1.

See more FAQs

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Top 2 airlines flying from St. Louis to Aspen

Discover the top 2 airlines that operate flights from St. Louis 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 2,899,487 searches. Data last updated May 1, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$412Average$531FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$446Average$574FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Search flights from St. Louis to Aspen by cabin class

Find flights from St. Louis to Aspen, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St. Louis to Aspen?

Cheapflights helps you search for flights from St. Louis to Aspen via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Aspen?

Cheapflights helps you find that perfect flight to Aspen from St. Louis by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from St. Louis to Aspen with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from St. Louis to Aspen flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from St. Louis to Aspen become cheaper?

Of course! You can now track prices for flights from St. Louis to Aspen and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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