HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from St. Louis to Aspen (STL - ASE) from $402

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 8/13. 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 10 — May 171
From?
To?
Fri 5/10
Fri 5/17
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 5, 2024.

Popular in

February

Cheapest in

June

Round-trip from

$463
High demand for flights, 37% potential price rise
Search Deals
Best time to find cheap flights, 21% potential price drop
Search Deals
From Lambert-St Louis to Aspen Pitkin County
Search Deals

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 February. For low rates, June can be a great choice for travel to Aspen. Flights to Aspen from St. Louis in June are about $548 on average during June, but can be found for as low as $411.

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 12% versus a flight in the afternoon.

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 2,719,943 searches. Data last updated May 5, 2024.
Take a look at some of the lowest-priced United 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.
Mon 7/85:30 pmSTL - ASE
1 stop5h 15mUnited Airlines
Sat 7/139:00 amASE - STL
1 stop7h 03mUnited Airlines
Deal found 5/3$502
Mon 7/81:45 pmSTL - ASE
1 stop4h 42mUnited Airlines
Sat 7/139:00 amASE - STL
1 stop7h 03mUnited Airlines
Deal found 5/3$525
Sun 7/71:45 pmSTL - ASE
1 stop5h 43mUnited Airlines
Sat 7/139:00 amASE - STL
1 stop7h 03mUnited Airlines
Deal found 5/3$561
Mon 7/810:19 amSTL - ASE
2 stops10h 55mUnited Airlines
Sat 7/139:00 amASE - STL
1 stop7h 03mUnited Airlines
Deal found 5/3$702
Sun 7/710:19 amSTL - ASE
2 stops10h 55mUnited Airlines
Sat 7/139:00 amASE - STL
1 stop7h 03mUnited Airlines
Deal found 5/3$758
Mon 7/85:30 pmSTL - ASE
1 stop5h 15mUnited Airlines
Sun 7/1411:38 amASE - STL
1 stop3h 59mUnited Airlines
Deal found 5/3$848

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 2,719,943 searches. Data last updated May 5, 2024.
Some of the best deals we've found on American Airlines flights traveling from St. Louis to Aspen. Ensure the flight price, dates, time, and airline match your criteria before you book.
Mon 7/86:04 amSTL - ASE
1 stop7h 08mAmerican Airlines
Sun 7/1412:55 pmASE - STL
2 stops7h 59mAmerican Airlines
Deal found 5/3$917
Sun 7/76:04 amSTL - ASE
2 stops13h 03mAmerican Airlines
Sat 7/1312:55 pmASE - STL
2 stops7h 59mAmerican Airlines
Deal found 5/3$1,175
Mon 7/85:17 amSTL - ASE
2 stops13h 50mAmerican Airlines
Sat 7/1312:55 pmASE - STL
2 stops7h 59mAmerican Airlines
Deal found 5/3$1,260
Mon 7/86:04 amSTL - ASE
2 stops13h 03mAmerican Airlines
Sun 7/1412:55 pmASE - STL
2 stops7h 59mAmerican Airlines
Deal found 5/3$1,270

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 2,719,943 searches. Data last updated May 5, 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.
Tue 8/136:00 amSTL - ASE
1 stop6h 42mDelta
Tue 8/207:45 amASE - STL
1 stop7h 12mDelta
Deal found 5/4$402
Mon 7/85:30 pmSTL - ASE
1 stop5h 15mUnited Airlines
Sat 7/139:00 amASE - STL
1 stop7h 03mUnited Airlines
Deal found 5/3$502
Tue 8/139:08 amSTL - ASE
1 stop4h 34mUnited Airlines
Tue 8/206:19 pmASE - STL
2 stops17h 03mUnited Airlines
Deal found 5/4$504
Mon 7/81:45 pmSTL - ASE
1 stop4h 42mUnited Airlines
Sat 7/139:00 amASE - STL
1 stop7h 03mUnited Airlines
Deal found 5/3$525
Mon 9/164:51 pmSTL - ASE
1 stop4h 24mUnited Airlines
Mon 9/239:15 amASE - STL
1 stop23h 52mUnited Airlines
Deal found 5/4$544
Sun 7/71:45 pmSTL - ASE
1 stop5h 43mUnited Airlines
Sat 7/139:00 amASE - STL
1 stop7h 03mUnited Airlines
Deal found 5/3$561
Mon 9/164:51 pmSTL - ASE
1 stop5h 25mUnited Airlines
Mon 9/233:30 pmASE - STL
2 stops17h 37mUnited Airlines
Deal found 5/5$584
Mon 9/165:20 pmSTL - ASE
2 stops16h 26mUnited Airlines
Mon 9/233:30 pmASE - STL
2 stops17h 37mUnited Airlines
Deal found 5/4$626
Fri 8/301:39 pmSTL - ASE
1 stop20h 07mUnited Airlines
Sun 9/19:04 amASE - STL
1 stop11h 24mUnited Airlines
Deal found 5/3$644

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 2,719,943 searches. Data last updated May 5, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$502 - $1,260

Route

Depart

Return

Price

Lambert-St LouisAspen Pitkin County

STL - ASE

STLASE

Lambert-St Louis

Mon 7/8

1 stop5h 15m

Aspen Pitkin County

Sat 7/13

1 stop7h 03m

$502

Lambert-St LouisAspen Pitkin County

STL - ASE

STLASE

Lambert-St Louis

Mon 7/8

1 stop4h 42m

Aspen Pitkin County

Sat 7/13

1 stop7h 03m

$525

Lambert-St LouisAspen Pitkin County

STL - ASE

STLASE

Lambert-St Louis

Sun 7/7

1 stop5h 43m

Aspen Pitkin County

Sat 7/13

1 stop7h 03m

$561

Lambert-St LouisAspen Pitkin County

STL - ASE

STLASE

Lambert-St Louis

Mon 7/8

2 stops10h 55m

Aspen Pitkin County

Sat 7/13

1 stop7h 03m

$702

Lambert-St LouisAspen Pitkin County

STL - ASE

STLASE

Lambert-St Louis

Sun 7/7

2 stops10h 55m

Aspen Pitkin County

Sat 7/13

1 stop7h 03m

$758

Lambert-St LouisAspen Pitkin County

STL - ASE

STLASE

Lambert-St Louis

Mon 7/8

1 stop5h 15m

Aspen Pitkin County

Sun 7/14

1 stop3h 59m

$848

Lambert-St LouisAspen Pitkin County

STL - ASE

STLASE

Lambert-St Louis

Mon 7/8

1 stop7h 08m

Aspen Pitkin County

Sun 7/14

2 stops7h 59m

$917

Lambert-St LouisAspen Pitkin County

STL - ASE

STLASE

Lambert-St Louis

Sun 7/7

2 stops13h 03m

Aspen Pitkin County

Sat 7/13

2 stops7h 59m

$1,175

Lambert-St LouisAspen Pitkin County

STL - ASE

STLASE

Lambert-St Louis

Mon 7/8

2 stops13h 50m

Aspen Pitkin County

Sat 7/13

2 stops7h 59m

$1,260

Flights are sorted by cheapest first

Deals found on 5/3

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 May 5, 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 $805. 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 5, 2024.
Peruse reviews from past customers who have flown with United Airlines and American 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.
United Airlines
7.4
Good
11,118 reviews
Check prices

Comfort

7.2

Overall

7.4

Food

6.7

Boarding

7.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 10

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

United Airlines
7.4
Good
11,118 reviews
United Airlines
7.4
Good
11,118 reviews
Check prices

Comfort

7.2

Overall

7.4

Food

6.7

Boarding

7.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 10

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

American Airlines
7.3
Good
14,713 reviews
United Airlines
7.4
Good
11,118 reviews
Check prices

Comfort

7.2

Overall

7.4

Food

6.7

Boarding

7.7

Crew

8.1

Entertainment

7.1

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 $600 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Aspen for under $600. The cheapest flight booked recently is on United Airlines for just $502, but on average you can expect to pay $851.

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

    Flying on United Airlines is currently your cheapest option to Aspen, with prices starting at $502. Another option worth looking into is American Airlines, starting at $917 round trip. United Airlines is currently priced 8% 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 5/5.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Aspen
See prices for flight routes from nearby airports that may be better suited for you.

Kansas City to Denver flights
St. Louis to Denver flights
Springfield to Denver flights
Kansas City to Colorado Springs flights
St. Louis to Colorado Springs flights
St. Louis to Durango flights
Kansas City to Grand Junction flights
Kansas City to Aspen flights
Joplin to Denver flights
Springfield to Colorado Springs flights
St. Louis to Vail flights
St. Louis to Grand Junction flights
Kansas City to Durango flights
Columbia to Denver flights
St. Louis to Gunnison flights
St. Louis to Hayden flights
St. Louis to Montrose flights
Kansas City to Hayden flights
Columbia to Colorado Springs flights
Springfield to Hayden flights
Joplin to Colorado Springs flights
Cape Girardeau to Denver flights
St. Louis to Cortez flights
Branson to Denver flights
Kansas City to Cortez flights
Kansas City to Alamosa flights
Columbia to Aspen flights

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 2,719,943 searches. Data last updated May 5, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$405Average$531FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$446Average$574FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Los Angeles to Baltimore flights
New York to Denver flights
New York to Chicago flights
San Francisco to London flights
San Francisco to Hyderabad flights
San Juan to Orlando flights
Chicago to Atlanta flights
New York to Orlando flights
Newark Airport to Boston flights
Las Vegas to Houston flights
St. Louis to Asmara 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.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Saint Peter Jersey
Flights to Kirkwall Arpt
Flights to Skiathos
Flights to Naxos
Flights to Ningbo Lishe Intl
Flights to Edremit/Korfez
Flights to Bourgas
Flights to Bodø
Flights to Pellston Emmet County
Flights to Cornwall Newquay
Flights to Ordu/Giresun
Flights to Batumi
Flights to Mason City
Flights to Biarritz Parme
Flights to Zakynthos Dionsios Salomos
Flights to Cortez Montezuma County
Flights to Clermont-Ferrand Aulnat
Flights to Nevsehir
Flights to Hyannis Barnstable
Flights to Girona Costa Brava
Flights to Kagoshima
Flights to Perugia Sant Egidio
Flights to Oran Es Senia
Flights to Chios

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.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines