Cheap flights from St. Louis to Aspen (STL - ASE) from $260

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/6. 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
Apr 23 — Apr 301

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 April 18, 2024.

Popular in

May

Cheapest in

November

Round-trip from

$478

One-way from

$260
High demand for flights, 46% potential price rise
Best time to find cheap flights, 26% potential price drop
From Lambert-St Louis to Aspen Pitkin County
One-way flight 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 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 3,192,047 searches. Data last updated April 18, 2024.
Wed 7/101:45 pmSTL - ASE
1 stop4h 42mUnited Airlines
Mon 7/151:45 pmASE - STL
1 stop7h 26mUnited Airlines
Deal found 4/17$574
Wed 7/101:45 pmSTL - ASE
1 stop4h 42mUnited Airlines
Mon 7/156:30 pmASE - STL
2 stops20h 10mUnited Airlines
Deal found 4/17$683

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 3,192,047 searches. Data last updated April 18, 2024.
Mon 9/169:50 amSTL - ASE
1 stop7h 18mAmerican Airlines
Mon 9/234:23 pmASE - STL
1 stop5h 01mAmerican Airlines
Deal found 4/18$452
Mon 9/166:21 pmSTL - ASE
2 stops16h 35mAmerican Airlines
Mon 9/234:23 pmASE - STL
1 stop5h 01mAmerican Airlines
Deal found 4/18$489
Wed 7/101:45 pmSTL - ASE
1 stop4h 42mUnited Airlines
Mon 7/151:45 pmASE - STL
1 stop7h 26mUnited Airlines
Deal found 4/17$574
Wed 9/114:51 pmSTL - ASE
1 stop4h 24mUnited Airlines
Sun 9/159:15 amASE - STL
1 stop5h 34mUnited Airlines
Deal found 4/17$678
Wed 7/101:45 pmSTL - ASE
1 stop4h 42mUnited Airlines
Mon 7/156:30 pmASE - STL
2 stops20h 10mUnited Airlines
Deal found 4/17$683
Thu 7/181:45 pmSTL - ASE
1 stop4h 42mUnited Airlines
Sun 7/219:30 amASE - STL
1 stop11h 41mUnited Airlines
Deal found 4/17$730
Wed 9/1111:10 amSTL - ASE
2 stops10h 05mUnited Airlines
Sun 9/151:51 pmASE - STL
1 stop6h 37mUnited Airlines
Deal found 4/17$732
Wed 9/114:51 pmSTL - ASE
1 stop4h 24mUnited Airlines
Sun 9/159:04 amASE - STL
1 stop11h 24mUnited Airlines
Deal found 4/18$763
Thu 7/181:45 pmSTL - ASE
1 stop4h 42mUnited Airlines
Sun 7/216:30 pmASE - STL
1 stop21h 18mUnited Airlines
Deal found 4/17$773

One-way flights to Aspen from St. Louis

Search for one-way flight options from St. Louis to Aspen. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,192,047 searches. Data last updated April 18, 2024.
Thu 6/67:00 amSTL - ASE
1 stop5h 48mAmerican Airlines
Deal found 4/17$260
Thu 6/66:00 amSTL - ASE
2 stops12h 56mAmerican Airlines
Deal found 4/17$399

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 3,192,047 searches. Data last updated April 18, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$574 - $683

Route

Depart

Return

Price

Lambert-St LouisAspen Pitkin County

STL - ASE

STLASE

Lambert-St Louis

Wed 7/10

1 stop4h 42m

Aspen Pitkin County

Mon 7/15

1 stop7h 26m

$574

Lambert-St LouisAspen Pitkin County

STL - ASE

STLASE

Lambert-St Louis

Wed 7/10

1 stop4h 42m

Aspen Pitkin County

Mon 7/15

2 stops20h 10m

$683

Flights are sorted by cheapest first

Deals found on 4/17

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 14, 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 $330 while a round-trip flight costs $629. Price data was last updated on April 14, 2024.

Currently, May is the cheapest month in which you can book a flight from St. Louis to Aspen (average of $478). 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

$511

February

$561

March

$656

April

$523

May

$478

June

$584

July

$603

August

$548

September

$583

October

$517

November

$520

December

$561

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 April 18, 2024.
7.4
Good
11,341 reviews

Boarding

7.7

Food

6.7

Crew

8.1

Entertainment

7.1

Comfort

7.2

Overall

7.4

Reviews

1 / 10

There were a lot of delays. Not sure if they could be helped, but it made me super nervous about catching my already tight connection. The connection was held for me, but I had to really hurry to make it.

7.4
Good
11,341 reviews
7.4
Good
11,341 reviews

Boarding

7.7

Food

6.7

Crew

8.1

Entertainment

7.1

Comfort

7.2

Overall

7.4

Reviews

1 / 10

There were a lot of delays. Not sure if they could be helped, but it made me super nervous about catching my already tight connection. The connection was held for me, but I had to really hurry to make it.

7.3
Good
14,963 reviews
7.4
Good
11,341 reviews

Boarding

7.7

Food

6.7

Crew

8.1

Entertainment

7.1

Comfort

7.2

Overall

7.4

Reviews

1 / 10

There were a lot of delays. Not sure if they could be helped, but it made me super nervous about catching my already tight connection. The connection was held for me, but I had to really hurry to make it.

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 $574, but on average you can expect to pay $628.

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

    Flying on United Airlines is currently your cheapest option to Aspen, with prices starting at $574. 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 4/18.

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 3,192,047 searches. Data last updated April 18, 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

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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.

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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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