$115 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.

Fri, Jun 5 - Mon, Jun 8
DEN
Denver Intl.
TYS
McGhee Tyson
$508 Roundtrip, found 2 days ago
$508
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Fri, Jun 5 from Denver Intl. to McGhee Tyson, returning Mon, Jun 8, priced at $508 found 2 days ago

Airfares from $115 One Way, $264 Round Trip from Fort Collins to Knoxville

Prices starting at $264 for return flights and $115 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.

Fri, Jun 26 - Mon, Jun 29
DEN
Denver
TYS
Knoxville
$264 Roundtrip, found 3 hours ago
$264
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Fri, Jun 26 from Denver to Knoxville, returning Mon, Jun 29, priced at $264 found 3 hours ago
Wed, Aug 12 - Mon, Aug 17
DEN
Denver
TYS
Knoxville
$268 Roundtrip, found 1 day ago
$268
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Aug 12 from Denver to Knoxville, returning Mon, Aug 17, priced at $268 found 1 day ago
Mon, Aug 3 - Fri, Aug 7
DEN
Denver
TYS
Knoxville
$278 Roundtrip, found 18 hours ago
$278
Roundtrip
found 18 hours ago
Select Frontier Airlines flight, departing Mon, Aug 3 from Denver to Knoxville, returning Fri, Aug 7, priced at $278 found 18 hours ago
Wed, Jul 15 - Wed, Jul 22
DEN
Denver
TYS
Knoxville
$285 Roundtrip, found 6 days ago
$285
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Wed, Jul 15 from Denver to Knoxville, returning Wed, Jul 22, priced at $285 found 6 days ago
Fri, Jun 26 - Mon, Jun 29
DEN
Denver
TYS
Knoxville
$286 Roundtrip, found 15 hours ago
$286
Roundtrip
found 15 hours ago
Select Frontier Airlines flight, departing Fri, Jun 26 from Denver to Knoxville, returning Mon, Jun 29, priced at $286 found 15 hours ago

Knoxville economy flight packages

Price found within the past 48 hours. Click for updated prices.
Creekstone Inn
2.0-star property

Creekstone Inn

9/10 Wonderful! (2,956 reviews)

Jul 17 - Jul 22

5 night stay

Denver (DEN) to Knoxville (TYS)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $786, price is now $521 per person
$521
per person
just found
Beautiful views. Only negative was the call we got when my daughter was showering that the water was leaking to the room beneath us.

Reviewed on Nov 13, 2025

Country Cascades Waterpark Resort
3.5-star property

Country Cascades Waterpark Resort

9/10 Wonderful! (2,632 reviews)

Jul 17 - Jul 22

5 night stay

Denver (DEN) to Knoxville (TYS)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $995, price is now $668 per person
$668
per person
just found
Room with bunk beds was smaller than I thought it would be. No coffee maker or microwave in room. Cashless environment. Everything except Waterpark costs extra. Keep credit card handy!

Reviewed on Nov 29, 2025

The Ramsey Hotel and Convention Center Pigeon Forge
3.0-star property

The Ramsey Hotel and Convention Center Pigeon Forge

8.4/10 Very Good! (1,541 reviews)

Jul 17 - Jul 22

5 night stay

Denver (DEN) to Knoxville (TYS)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $963, price is now $677 per person
$677
per person
just found
Staff was amazing rooms was clean. They had movie night at the pool which was cool and good for the kids.

Reviewed on Jan 19, 2026

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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

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Flight Deals on the Go

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Guaranteed low prices for Fort Collins to Knoxville flights makes Orbitz the perfect online budget travel source.

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.