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$404+ Cheap flights from Louisville to Aspen (SDF - 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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — ASE
ago. 19 — ago. 261
mar. 8/19
mar. 8/26
1 adult, Economy
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Cheap flight deals from Louisville to Aspen

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) 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 agosto 14, 2025.

Round-trip from

$525
(American Airlines)

Popular in

February

Cheapest in

October

Average price

$529
From Louisville Intl to Aspen Pitkin County
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Highest demand for flights based on searches. 20% potential increase in price ($148 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Louisville to Aspen

Cheapest flights from Louisville to Aspen
Explore the most affordable flight options available from Louisville to Aspen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 14, 2025.

This United Airlines deal was found by Cheapflights users on 8/12. 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.
sáb. 8/235:52 pmSDF - ASE
1 stop5h 53mUnited Airlines
mar. 8/2612:25 pmASE - SDF
1 stop7h 59mUnited Airlines
Deal found 8/12$404
This American Airlines deal was found by Cheapflights users on 8/13. 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.
sáb. 8/2312:15 pmSDF - ASE
1 stop5h 49mAmerican Airlines
mar. 8/2610:18 amASE - SDF
1 stop5h 13mAmerican Airlines
Deal found 8/13$449
This American Airlines deal was found by Cheapflights users on 8/14. 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.
jue. 12/115:00 amSDF - ASE
1 stop7h 15mAmerican Airlines
dom. 12/142:16 pmASE - SDF
2 stops18h 09mAmerican Airlines
Deal found 8/14$525
This United Airlines deal was found by Cheapflights users on 8/14. 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.
vie. 8/153:25 pmSDF - ASE
1 stop4h 57mUnited Airlines
sáb. 8/163:23 pmASE - SDF
1 stop5h 22mUnited Airlines
Deal found 8/14$559
This United Airlines deal was found by Cheapflights users on 8/14. 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.
vie. 8/153:25 pmSDF - ASE
1 stop4h 57mUnited Airlines
dom. 8/171:30 pmASE - SDF
1 stop7h 15mUnited Airlines
Deal found 8/14$669

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville 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 agosto 14, 2025.
Use the filters below to find and compare flights from Louisville to Aspen that are best for you.

Fly from

Louisville

Fly to

Aspen

Route

Depart

Return

Price

LouisvilleAspen

SDF - ASE

SDFASE

Louisville Intl

jue. 12/11

5:00 am-10:15 am

1 stop7h 15m

Aspen Pitkin County

dom. 12/14

2:16 pm-10:25 am

2 stops18h 09m

$525

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Best time to book a flight from Louisville to Aspen

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

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

Currently, November is the cheapest month in which you can book a flight from Louisville to Aspen (average of $448). Flying from Louisville to Aspen in December is currently the most expensive (average of $665). 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.

How much does it cost to fly round-trip from Louisville to Aspen?

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 agosto 14, 2025.
Peruse reviews from past customers who have flown with United Airlines and American Airlines from Louisville to Aspen to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,916 reviews

Overall

7.4

Entertainment

7.1

Crew

8.1

Comfort

7.3

Boarding

7.7

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,916 reviews
United Airlines
7.4
Good
8,916 reviews

Overall

7.4

Entertainment

7.1

Crew

8.1

Comfort

7.3

Boarding

7.7

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,916 reviews

Overall

7.4

Entertainment

7.1

Crew

8.1

Comfort

7.3

Boarding

7.7

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Louisville to Aspen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Louisville to Aspen round-trip?

    Our cheapest airline available from Louisville to Aspen is American Airlines. Our recent data shows that you can find tickets from as low as $334 on this airline. An additional option worth looking into is United Airlines, starting at $372. American Airlines is 41% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Louisville to Aspen (average of $448). Flying from Louisville to Aspen in December is currently the most expensive (average of $665). 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
Carbondale
Buena Vista
Snowmass

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Top 2 airlines flying from Louisville to Aspen

Discover the top 2 airlines that operate flights from Louisville 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 agosto 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$334Average$733FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$372Average$642FlexibilityNo cancel feeOn-time69%

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