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Aspen

$349+ Cheap flights from Knoxville to Aspen (TYS - 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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — ASE
Jan 4 — Jan 111
Sun 1/4
Sun 1/11
1 adult, Economy
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Cheap flight deals from Knoxville to Aspen

Best flights from Knoxville to Aspen
Discover carefully curated flight deals from Knoxville to Aspen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 5, 2025.

This United Airlines deal was found by Cheapflights users on 12/4. 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.
Sat 1/2411:07 amTYS - ASE
1 stop9h 18mUnited Airlines
Wed 1/2812:53 pmASE - TYS
1 stop5h 59mUnited Airlines
Deal found 12/4$349
This United Airlines deal was found by Cheapflights users on 12/2. 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.
Sat 1/101:59 pmTYS - ASE
1 stop6h 26mUnited Airlines
Wed 1/1412:36 pmASE - TYS
1 stop7h 55mUnited Airlines
Deal found 12/2$349
This United Airlines deal was found by Cheapflights users on 12/2. 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 2/211:07 amTYS - ASE
1 stop9h 18mUnited Airlines
Wed 2/412:53 pmASE - TYS
1 stop5h 59mUnited Airlines
Deal found 12/2$471

Find flight deals from Knoxville to Aspen

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) 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 December 5, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$349
(United Airlines)

Popular in

November

Cheapest in

June

Average price

$558
Provider with most accurate pricing for Knoxville McGhee Tyson-Aspen Pitkin County flight deals.
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Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Aspen Pitkin County flights.
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From Knoxville McGhee Tyson to Aspen Pitkin County
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($169 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($51 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Knoxville 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 December 5, 2025.
Use the filters below to find and compare flights from Knoxville to Aspen that are best for you.

Fly from

Knoxville

Fly to

Aspen

Route

Depart

Return

Price

KnoxvilleAspen

TYS - ASE

TYSASE

Knoxville McGhee Tyson

Sat 1/24

11:07 am-6:25 pm

1 stop9h 18m

Aspen Pitkin County

Wed 1/28

12:53 pm-8:52 pm

1 stop5h 59m

$349

KnoxvilleAspen

TYS - ASE

TYSASE

Knoxville McGhee Tyson

Sat 1/10

1:59 pm-6:25 pm

1 stop6h 26m

Aspen Pitkin County

Wed 1/14

12:36 pm-10:31 pm

1 stop7h 55m

$349

KnoxvilleAspen

TYS - ASE

TYSASE

Knoxville McGhee Tyson

Mon 2/2

11:07 am-6:25 pm

1 stop9h 18m

Aspen Pitkin County

Wed 2/4

12:53 pm-8:52 pm

1 stop5h 59m

$471

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/4

Compare providers for flights from Knoxville to Aspen

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Knoxville to Aspen in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Knoxville-Aspen flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Knoxville-Aspen flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Knoxville-Aspen flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Knoxville-Aspen flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Knoxville-Aspen flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Knoxville to Aspen

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

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

Currently, December is the cheapest month in which you can book a flight from Knoxville to Aspen (average of $277). Flying from Knoxville to Aspen in October is currently the most expensive (average of $521). 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.

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 December 5, 2025.
Peruse reviews from past customers who have flown with United Airlines and American Airlines from Knoxville 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
9,063 reviews

Entertainment

7.1

Crew

8.1

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,063 reviews
United Airlines
7.4
Good
9,063 reviews

Entertainment

7.1

Crew

8.1

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
American Airlines
7.2
Good
11,047 reviews
United Airlines
7.4
Good
9,063 reviews

Entertainment

7.1

Crew

8.1

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

Related info for your journey

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

  • How long is the flight from Knoxville to Aspen?

    There are many flights that can get you from Knoxville to Aspen in 9h 18m. Fly via United Airlines to get the fastest option. The distance from Knoxville to Aspen is about 1271 mi.

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

    Flying on American Airlines is currently your cheapest option to Aspen, with prices starting at $288. Another option worth looking into is United Airlines, starting at $448 round trip. These flights start at 51% lower than the current average price 3 months from now.

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

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

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

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

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

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

    Currently, December is the cheapest month in which you can book a flight from Knoxville to Aspen (average of $277). Flying from Knoxville to Aspen in October is currently the most expensive (average of $521). 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 Knoxville to Aspen

Discover the top 2 airlines that operate flights from Knoxville 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 December 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$288Average$487FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$448Average$558FlexibilityNo cancel feeOn-time69%

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