TYS - DEN

$56 Find Cheap Flights from Knoxville to Denver - Compare and Save

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Everything you should know

Cheapest round-trip
$168
Typical prices: $219-$428
Allegiant Air
Mon 10/22Thu 10/25
TYS - DEN • Non-stop
Cheapest one-way
$56
Typical prices: $122-$261
Allegiant Air
Mon 11/12
TYS - DEN • Non-stop
Nonstop flights
You can fly direct with United Airlines, Southwest and Allegiant Air. Average duration is 3h 21m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 12 weeks in advance save around 46% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 24% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $217 (round-trip)
Shortest trip • 5h 35m (one-way)
Insights
Insights
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Expert advice
Flight Deals

Cheap Flights from Knoxville to Denver (TYS-DEN)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Knoxville to Denver

Thu, Oct 22 - Sun, Oct 25
Allegiant Air Logo
6:30 am - 7:36 amTYS  Knoxville McGhee Tyson-DEN Denver Intl
3h 06mnonstop
Allegiant Air Logo
8:26 am - 1:11 pmDEN  Denver Intl-TYS Knoxville McGhee Tyson
2h 45mnonstop
$153Allegiant Air
Thu, Oct 22 - Sun, Oct 25
Allegiant Air Logo
6:30 am - 7:36 amTYS  Knoxville McGhee Tyson-DEN Denver Intl
3h 06mnonstop
Allegiant Air Logo
8:26 am - 1:11 pmDEN  Denver Intl-TYS Knoxville McGhee Tyson
2h 45mnonstop
$168Allegiant Air
Fri, Oct 30 - Sun, Nov 1
Multiple Airlines Logo
9:41 pm - 9:32 pmTYS  Knoxville McGhee Tyson-DEN Denver Intl
25h 51m2 stops Tampa St. Petersburg Atlanta Hartsfield-Jackson
Multiple Airlines Logo
8:26 am - 1:11 pmDEN  Denver Intl-TYS Knoxville McGhee Tyson
2h 45mnonstop
$191Multiple Airlines
Thu, Oct 29 - Sun, Nov 1
Multiple Airlines Logo
6:24 pm - 8:22 amTYS  Knoxville McGhee Tyson-DEN Denver Intl
39h 58m2 stops Jacksonville Atlanta Hartsfield-Jackson
Multiple Airlines Logo
8:26 am - 1:11 pmDEN  Denver Intl-TYS Knoxville McGhee Tyson
2h 45mnonstop
$204Multiple Airlines
Wed, Oct 28 - Sat, Oct 31
Southwest Logo
4:20 pm - 5:40 pmTYS  Knoxville McGhee Tyson-DEN Denver Intl
3h 20mnonstop
Southwest Logo
2:55 pm - 7:40 pmDEN  Denver Intl-TYS Knoxville McGhee Tyson
2h 45mnonstop
$257Southwest
Wed, Oct 28 - Sat, Oct 31
Southwest Logo
4:20 pm - 5:40 pmTYS  Knoxville McGhee Tyson-DEN Denver Intl
3h 20mnonstop
Southwest Logo
6:20 am - 2:20 pmDEN  Denver Intl-TYS Knoxville McGhee Tyson
6h 00m1 stop Orlando
$267Southwest
Tue, Jan 5 - Sat, Jan 9
American Airlines Logo
3:24 pm - 8:47 pmTYS  Knoxville McGhee Tyson-DEN Denver Intl
7h 23m1 stop Charlotte Douglas
American Airlines Logo
6:00 am - 1:43 pmDEN  Denver Intl-TYS Knoxville McGhee Tyson
5h 43m1 stop Charlotte Douglas
$269American Airlines
Tue, Jan 5 - Sat, Jan 9
United Airlines Logo
4:25 pm - 5:43 pmTYS  Knoxville McGhee Tyson-DEN Denver Intl
3h 18mnonstop
United Airlines Logo
9:47 am - 2:36 pmDEN  Denver Intl-TYS Knoxville McGhee Tyson
2h 49mnonstop
$302United Airlines
Tue, Jan 5 - Sat, Jan 9
United Airlines Logo
10:45 am - 3:00 pmTYS  Knoxville McGhee Tyson-DEN Denver Intl
6h 15m1 stop Chicago O'Hare Intl
United Airlines Logo
9:47 am - 2:36 pmDEN  Denver Intl-TYS Knoxville McGhee Tyson
2h 49mnonstop
$304United Airlines
Thu, Oct 8 - Mon, Oct 12
American Airlines Logo
5:26 pm - 11:58 pmTYS  Knoxville McGhee Tyson-DEN Denver Intl
8h 32m1 stop Dallas/Fort Worth
American Airlines Logo
11:59 pm - 9:38 amDEN  Denver Intl-TYS Knoxville McGhee Tyson
7h 39m1 stop Charlotte Douglas
$307American Airlines
Booking Insights

Price, demand and travel trends for Knoxville to Denver flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Knoxville to Denver with more confidence.

How much is a round-trip flight from Knoxville to Denver?

Round-trip flights from Knoxville to Denver start at $168. Prices are below average for this route right now, with typical round-trip fares ranging from $219 to $428. The lowest price found in the past 5 days was $168 on Allegiant Air.

What's the cheapest day of the week to fly from Knoxville to Denver?

Sunday is the cheapest day of the week to fly from Knoxville to Denver, it is 14% cheaper than the average day. Monday is the most expensive day with flight prices 27% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Knoxville to Denver?

  • December is the cheapest month to fly from Knoxville to Denver at $233 round-trip.
  • March ($399) and January ($373) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 71% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Knoxville to Denver the cheapest?

Flights from Knoxville to Denver are cheapest 12 weeks before departure. Booking in this window typically costs about 46% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Knoxville to Denver

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on United Airlines and Frontier

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Daniel Scheffler

Daniel Scheffler

Expert on Allegiant Air

Daniel Scheffler is a travel writer, podcaster, and producer. Born in Africa, bred in Europe and now living in America he has traveled to 140 countries (and all 50 U.S. states). Plus he has stayed at over 2500 hotels across the globe. His original shows Everywhere and Without Maps (available on Spotify) showcase his beliefs, travel is about humanity and sharing that beauty. And thus it reminds you that you shouldn’t believe everything you think.

Key details for Knoxville to Denver flights

Low season

March

Cheapest flight

$56
Best time to beat the crowds but there is an average 29% increase in price.
Most popular time to fly with an average 8% increase in price.
Flight from Knoxville to Denver

When to book flights from Knoxville to Denver

Are your dates flexible? Find out the best times to travel from Knoxville to Denver based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Knoxville to Denver flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Where can I sleep at Denver International Airport?

    If you wish to stay at the airport, book a stay at the Westin Hotel at Denver International Airport. The establishment is on the upper level of the Jeppesen Terminal. It offers fitness facilities, an indoor pool, and multiple dining options. They offer day rooms, overnight stays, and DEN airport train connections.

  • Does McGhee Tyson Airport offer accessible services?

    DEN offers ramps and elevators for barrier-free access. PRM also has accessible restrooms, reserved parking spots, and accessible means of public transport. They can also request wheelchair assistance at DEN through their airline. Hard-of-hearing passengers traveling through will have TDD telephones and visual paging services, while low-vision passengers get Aira services and braille signage.

  • What are the transport options from Denver International Airport?

    DEN is served by Regional Transportation (RTD) trains and buses, and you can get affordable public transportation downtown. Bus routes AT, 145X, AA, AB, and 169L are available at the DEN Airport station, and these services are offered every 15min. RTD Line A train provides services between DEN and downtown, and the trains are available every 15-30min. Several companies also offer charter buses from DEN to the neighboring cities in Colorado. These buses are pre-booked, and you can get more information on your bus at the ground transportation desk. Taxis are available curbside, offering a flat rate downtown and metered rates for other Denver destinations.

  • Which airlines have lounges at Denver International Airport?

    Delta, American Airlines, and United Airlines have lounges at DEN. Delta runs a members-only lounge, but you can pay at the door to access the AA and United lounges. The Delta Sky Club is on Concourse A airside, near the Center Core. The American Airlines lounge is on Concourse A airside, on the north end of the A Gates. United Club has two locations, one in each airport wing (west and east).

  • Which airlines offer extra legroom and free seat selection on Knoxville to Denver flights?

    Among airlines operating Knoxville to Denver flights:

    • United Airlines: offers extra legroom; offers free seat selection
    • Frontier: offers free seat selection
    • Southwest: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • What airlines are available from Knoxville to Denver?

    3 airlines operate flights between Knoxville and Denver. The airlines offering nonstop flights on this route include:

    • United Airlines
    • Southwest
    • Allegiant Air

  • Which airports can I use when flying from Knoxville to Denver?

    Flights from Knoxville to Denver usually depart from Knoxville McGhee Tyson (TYS) and arrive at Denver Intl (DEN).

  • Which airlines include bags at no extra cost on Knoxville to Denver flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • United Airlines: a cabin bag and a checked bag in Economy Class
    • Frontier: a cabin bag in Economy Class class
    • Southwest: a cabin bag in Economy Class class

    Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

  • What cabin classes can I book on flights from Knoxville to Denver?

    Two cabin classes are available on flights from Knoxville to Denver:

    • Economy Class
    • First Class

  • How much can I save by taking a layover when flying from Knoxville to Denver?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $217 round-trip via Austin Bergstrom (AUS), compared to $300 for nonstop.

  • What is the standard checked-bag allowance on flights from Knoxville to Denver?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $30–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Knoxville to Denver?

    The Airbus A320-100/200 family is used most often on this route, operated mainly by United Airlines and Allegiant Air. Other aircraft seen on the route include Boeing 737-800 variants.

  • Which airports do connecting flights from Knoxville to Denver pass through?

    One-stop flights from Knoxville to Denver most commonly connect through:

    • Dallas/Fort Worth (DFW) - 46% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 34% of one-stop connections
    • Nashville Intl (BNA) - 7% of one-stop connections
    • Austin Bergstrom (AUS) - 3% of one-stop connections

    Dallas/Fort Worth (DFW) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Knoxville to Denver?

    On the Knoxville to Denver route, being flexible with your departure day can save you up to 32%. Sunday is the cheapest day at $267 round-trip on average, while Monday is the most expensive at $392: a $125 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • How are flight departures from Knoxville to Denver spread across the day?

    Morning is the busiest departure period on Knoxville to Denver flights, with 34% of flights leaving in that window. Afternoon departures account for 33%, evening flights for 33%, and night flights for 0%.

  • What popular places can I visit in Denver?

    Some of the most popular sights in Denver are Colorado Convention Center, Union Station Denver and Coors Field. These are among the most viewed places in Denver on KAYAK.

  • What are the earliest and latest flights from Knoxville to Denver?

    These are the earliest and latest flight times available from Knoxville to Denver:

    • Earliest: departs at 6:20 am and lands at 9:41 am
    • Latest: departs at 5:55 pm and lands at 9:16 pm.

    The flight takes about 3h 21m.

  • How expensive are last-minute Knoxville to Denver flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 38% above the route average of $308. Book 12 weeks before departure for the lowest fares.

  • How long is a flight from Knoxville to Denver?

    A nonstop flight from Knoxville to Denver takes 3h 21m, covering 1,159 miles.

  • Do I need a passport to fly from Knoxville to Denver?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Knoxville to Denver changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $168 to $1,581. That means the highest observed fare was about 9x higher than the lowest one.

  • How are flight prices from Knoxville to Denver looking right now?

    One-way fares from Knoxville to Denver are currently lower than usual. Average one-way flight prices are about $124, which is 31% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from Knoxville to Denver?

    Flying via Atlanta Hartsfield-Jackson (ATL) gives the shortest average 1-stop total travel time at 5h 35m, compared with 5h 36m via Dallas/Fort Worth (DFW) and 6h 09m via Nashville Intl (BNA).

  • What is the time difference between Knoxville and Denver?

    Denver is 2 hours behind Knoxville (Mountain Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Denver Intl Airport (DEN)?

    Denver Intl Airport (DEN) hosts 5 major car rental companies, with daily rates starting from around $16 for economy cars. Top options include:
    • Routes Car & Truck Rentals
    • Ace
    • NU Car
    • Europcar
    • Hertz

  • How much should I expect to pay for a Knoxville to Denver flight?

    Round-trip flights from Knoxville to Denver range from $219 to $428, with an average of $308 over the past 12 months. Anything below $219 counts as a good deal.

Your guide to booking Knoxville to Denver flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Sunday departure instead of Monday. On this route, Sunday flights average $267 - about $125 less than Monday (32% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 12 weeks before you fly. On this route, that window historically saves about 46% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Knoxville to Denver trip for December. Fares historically average $233 round-trip in that month - typically $166 less than the most expensive month, which is March (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Austin Bergstrom Airport (AUS) can be cheaper than flying direct. The cheapest layover option averages $217 round-trip on this route - about $83 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Denver Intl Airport.
    - The Westin Denver International Airport
  • Denver International Airport (DEN) has the hub and spoke layout, the Jeppesen Terminal serving as the hub to three Concourses A, B, and C. The airport has provided an underground train running every 5min for transport through the airport complex.
  • McGhee Tyson Airport (TYS) welcomes pets to their facility, providing a pet relief area to accommodate them. The relief area is located outdoors, on the lower level of the terminal building, just in front of the Airport Hilton.
  • Public Service Credit Union has a full-service branch operating in the Jeppesen Terminal at DEN if you're looking for banking services at the destination airport. The bank is landside on Level 6 West and is operational from 9 am to 6 pm on weekdays.
  • Unwind with a massage after your flight at the A Massage spa at DEN. They offer express table and chair massage services at their three locations. You'll find them at the Center Core, A Gates, and B Gates. XpresSpa also offers its services at DEN. XpresSpa has two C Gate locations and one at the Center Core.
  • Around 759 kg of carbon is emitted on flights from Knoxville to Denver. However, book your flight with Allegiant Air if you wish to fly sustainably. They offer a flight that emits 49% less carbon per passenger on this route.

Prefer to fly direct from Knoxville to Denver?

 
Find which airlines fly direct from Knoxville McGhee Tyson Airport to Denver Intl Airport, which days they fly and book direct flights.

Direct departures

Knoxville McGhee Tyson to Denver Intl

Monday

Southwest,United Airlines

Southwest,United Airlines

Tuesday

Southwest,United Airlines,Allegiant Air

Southwest,United Airlines, +1 more

Wednesday

Southwest,United Airlines

Southwest,United Airlines

Thursday

Allegiant Air,Southwest,United Airlines

Allegiant Air,Southwest, +1 more

Friday

Southwest,United Airlines

Southwest,United Airlines

Saturday

Southwest,United Airlines,Allegiant Air

Southwest,United Airlines, +1 more

Sunday

Allegiant Air,Southwest,United Airlines

Allegiant Air,Southwest, +1 more

See more direct flights

Direct returns

Denver Intl to Knoxville McGhee Tyson

Monday

Southwest,United Airlines

Southwest,United Airlines

Tuesday

Southwest,United Airlines,Allegiant Air

Southwest,United Airlines, +1 more

Wednesday

Southwest,United Airlines

Southwest,United Airlines

Thursday

Allegiant Air,Southwest,United Airlines

Allegiant Air,Southwest, +1 more

Friday

Southwest,United Airlines

Southwest,United Airlines

Saturday

Southwest,United Airlines,Allegiant Air

Southwest,United Airlines, +1 more

Sunday

Allegiant Air,Southwest,United Airlines

Allegiant Air,Southwest, +1 more

See more direct flights

More options for your flight from Knoxville to Denver

Complete your trip to Denver with a hotel stay or car rental