$54 Cheap flight deals from Fort Collins (DEN) to Knoxville (TYS)

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This Weekend's Flight Deals from Fort Collins to Knoxville

This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Aug 16 - Thu, Aug 20
DEN
Denver Intl.
TYS
McGhee Tyson
$250 Roundtrip, found 14 hours ago
$250
Roundtrip
found 14 hours ago
Select Allegiant Air flight, departing Sun, Aug 16 from Denver Intl. to McGhee Tyson, returning Thu, Aug 20, priced at $250 found 14 hours ago

Airfares from $54 One Way, $100 Round Trip from Fort Collins to Knoxville

Prices starting at $100 for return flights and $54 for one-way flights to Knoxville were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Nov 12 - Sun, Nov 15
DEN
Denver
TYS
Knoxville
$100 Roundtrip, found 2 days ago
$100
Roundtrip
found 2 days ago
Select Allegiant Air flight, departing Thu, Nov 12 from Denver to Knoxville, returning Sun, Nov 15, priced at $100 found 2 days ago
Sun, Oct 25 - Thu, Oct 29
DEN
Denver
TYS
Knoxville
$105 Roundtrip, found 4 days ago
$105
Roundtrip
found 4 days ago
Select Allegiant Air flight, departing Sun, Oct 25 from Denver to Knoxville, returning Thu, Oct 29, priced at $105 found 4 days ago
Sun, Oct 25 - Thu, Oct 29
DEN
Denver
TYS
Knoxville
$109 Roundtrip, found 1 day ago
$109
Roundtrip
found 1 day ago
Select Allegiant Air flight, departing Sun, Oct 25 from Denver to Knoxville, returning Thu, Oct 29, priced at $109 found 1 day ago
Sun, Nov 1 - Sun, Nov 8
DEN
Denver
TYS
Knoxville
$112 Roundtrip, found 1 day ago
$112
Roundtrip
found 1 day ago
Select Allegiant Air flight, departing Sun, Nov 1 from Denver to Knoxville, returning Sun, Nov 8, priced at $112 found 1 day ago
Sun, Oct 25 - Sun, Nov 1
DEN
Denver
TYS
Knoxville
$114 Roundtrip, found 2 days ago
$114
Roundtrip
found 2 days ago
Select Allegiant Air flight, departing Sun, Oct 25 from Denver to Knoxville, returning Sun, Nov 1, priced at $114 found 2 days ago

Knoxville economy flight packages

Price found within the past 48 hours. Click for updated prices.
Best Western Toni Inn
2.5-star property

Best Western Toni Inn

9/10 Wonderful! (1,020 reviews)

Sep 11 - Sep 14

3 night stay

Denver (DEN) to Knoxville (TYS)

United • Roundtrip • Coach
Price was $564, price is now $494 per person
$494
per person
found 1 day ago
They booked my room without reaching out to me

Reviewed on Aug 10, 2026

The Lodge at Camp Margaritaville
3.0-star property

The Lodge at Camp Margaritaville

9.4/10 Exceptional! (1,007 reviews)

Sep 11 - Sep 14

3 night stay

Denver (DEN) to Knoxville (TYS)

United • Roundtrip • Coach
Price was $763, price is now $616 per person
$616
per person
found 1 day ago

LeConte Hotel & Convention Center, an Ascend Collection Hotel
2.5-star property

LeConte Hotel & Convention Center, an Ascend Collection Hotel

9.4/10 Exceptional! (1,500 reviews)

Sep 11 - Sep 14

3 night stay

Denver (DEN) to Knoxville (TYS)

United • Roundtrip • Coach
Price was $740, price is now $633 per person
$633
per person
found 1 day ago

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More About Flying To Knoxville from Fort Collins

Route Information for Flights from Fort Collins to Knoxville

Origin Airport IATA Code
DEN
Destination Airport IATA Code
TYS
Distance
Direct Flight Airlines
Earliest Flight Arrival
Latest Flight Arrival

Fort Collins to Knoxville

Fort Collins to Knoxville flights are offered at fantastic discount by Orbitz. Book air tickets now and cut those extra costs out of your travel budget to ensure a rewarding travel experience. With guaranteed low prices like these, can you afford to miss this discount?

Book cheap flights from Fort Collins to Knoxville

Cheap airfares are available on flights from Fort Collins to Knoxville. Use Orbitz to find the best flights that suit both your budget and the travel times that you need. Travelers who are looking for discounted rates on domestic or international flights need to look no further than Orbitz.

Orbitz goes mobile

As the world of technology rapidly expands around us, we are continuously finding new ways to improve our services, communications, and accessibility. With our cutting-edge mobile tools now available on Android, iPhone, and tablets, you can access detailed information on your bookings for flights from Fort Collins to Knoxville at any time or anywhere. See your itinerary for your Fort Collins to Knoxville flights, baggage and gate claim details, as well as hotel deals with our easy-to-use apps.

Get a great package with your Fort Collins to Knoxville flights

With frequent updates on your flight status, including delays and changes in bookings, traveling becomes more hassle-free than ever. Not only do we offer huge discounted deals on flights from Fort Collins to Knoxville, we also have fantastic savings on vacation packages, hotel room, cruises, activities, and car rentals so you can pick and choose and create the best travel package for you.

Frequently asked questions

Are there non-stop flights from Fort Collins to Knoxville?
Yes, if you're cruising from Denver, CO (DEN-Denver Intl.) to McGhee Tyson Airport (TYS), you'll only have one flight number to keep track of. There are 3 airlines offering direct services to select from. Here are a few of the best:

  • United Airlines
  • Frontier Airlines
  • Allegiant Air

What is the shortest flight from Fort Collins to Knoxville?
The shortest flight time from DIA airport to TYS is 3 hours and 37 minutes, which gives you loads of time to enjoy a drink or lose yourself in a gripping novel.
What airlines fly from Fort Collins to Knoxville most frequently?
Consider booking a flight with United Airlines (UA), which frequently services this route. This airline offers 60 flights every month between DEN and Knoxville, TN (TYS-McGhee Tyson). Frontier Airlines (F9) will also take you to your destination in style and comfort. Offering 17 flights per month between Fort Collins and Knoxville, it's another quality airline to look into.
What is the cheapest day of the week to fly?
Consider flying out early in the week to save on your airfare. Orbitz data from 2021 shows that Monday is the cheapest day to depart, followed by Tuesday. Saturday showed the highest average ticket prices likely because many travelers prefer to start their vacation on a weekend.
What is the cheapest month to fly?
We won't keep you guessing, according to Orbitz data from 2021, the cheapest month to fly is February. Perfect for those who need a weekend getaway, or just a break from it all in the shortest month of the year. Be aware that the most expensive time to fly is during the height of summer in July, and in the holiday month of December.*According to flight demand on Orbitz.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

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Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.