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$58+ Cheap flights from Knoxville (TYS) to Colorado

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — DEN
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
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Cheap flight deals from Knoxville to Colorado

Keep the following information in mind while searching for Knoxville to Colorado flight deals. Data was last updated April 30, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$131
(Booking.com)

One-way from

$59
(Frontier)

Popular in

December

Cheapest in

August

Average price

$248

Good round-trip deal

$234 or less

Good one-way deal

$123 or less
Provider with most accurate pricing for Knoxville McGhee Tyson-Denver Intl flight deals.
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Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Denver Intl flights.
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From Knoxville McGhee Tyson to Colorado
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One-way flight from Knoxville McGhee Tyson to Colorado
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Highest demand for flights based on searches. 11% potential increase in price ($29 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Knoxville McGhee Tyson to Colorado.
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Price to beat on a one-way flight from Knoxville McGhee Tyson to Colorado.
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Find flight deals from Knoxville to Colorado

Cheapest flights from Knoxville to Colorado
Explore the most affordable flight options available from Knoxville to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.

This Booking.com deal was found by Cheapflights users on 4/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/133:54 pmTYS - DEN
Nonstop3h 03mAllegiant Air
Sun 7/205:42 pmDEN - TYS
Nonstop2h 45mAllegiant Air
Deal found 4/28$131
This CheapOair deal was found by Cheapflights users on 4/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/145:25 pmTYS - DEN
Nonstop3h 15mFrontier
Sun 8/1711:41 amDEN - TYS
Nonstop2h 48mFrontier
Deal found 4/29$161
This Mytrip deal was found by Cheapflights users on 4/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/13:52 pmTYS - DEN
Nonstop3h 08mMultiple Airlines
Thu 6/56:25 pmDEN - TYS
1 stop19h 46mMultiple Airlines
Deal found 4/29$208
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Thu 5/294:52 pmTYS - DEN
Nonstop3h 16mUnited Airlines
Wed 6/41:25 pmDEN - TYS
1 stop7h 15mUnited Airlines
Deal found 4/29$239
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Tue 7/296:22 pmTYS - COS
1 stop5h 54mAmerican Airlines
Fri 8/85:07 pmCOS - TYS
1 stop4h 46mAmerican Airlines
Deal found 4/29$249
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Thu 5/225:05 amTYS - DEN
1 stop5h 31mAmerican Airlines
Tue 6/311:59 pmDEN - TYS
1 stop6h 25mAmerican Airlines
Deal found 4/29$249
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Tue 8/124:35 pmTYS - COS
1 stop5h 20mUnited Airlines
Tue 8/267:30 amCOS - TYS
2 stops7h 30mUnited Airlines
Deal found 4/28$254
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/134:22 pmTYS - DEN
1 stop7h 35mDelta
Mon 5/1912:55 amDEN - TYS
1 stop7h 28mDelta
Deal found 4/29$264
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/45:57 pmTYS - COS
1 stop5h 00mDelta
Wed 7/910:54 amCOS - TYS
2 stops8h 22mDelta
Deal found 4/28$269
This Mytrip deal was found by Cheapflights users on 4/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/127:30 amTYS - COS
1 stop27h 45mAllegiant Air
Mon 6/1610:05 amCOS - TYS
1 stop19h 55mAllegiant Air
Deal found 4/28$286
This Mytrip deal was found by Cheapflights users on 4/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/126:00 amTYS - COS
3 stops37h 00mMultiple Airlines
Mon 6/1610:05 amCOS - TYS
1 stop19h 55mMultiple Airlines
Deal found 4/28$364
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/82:33 pmTYS - GJT
2 stops10h 00mDelta
Fri 7/186:50 pmGJT - TYS
2 stops13h 24mDelta
Deal found 4/28$384

Cheapflights Fare Finder

Customize your flight search to find flights from Knoxville to Colorado 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 April 30, 2025.
Use the filters below to find and compare flights from Knoxville to Colorado that are best for you.

Fly from

Knoxville

Fly to

Colorado

Route

Depart

Return

Price

KnoxvilleDenver

TYS - DEN

TYSDEN

Knoxville McGhee Tyson

Sun 7/13

3:54 pm-4:57 pm

Nonstop3h 03m

Denver Intl

Sun 7/20

5:42 pm-10:27 pm

Nonstop2h 45m

$131

KnoxvilleDenver

TYS - DEN

TYSDEN

Knoxville McGhee Tyson

Thu 5/22

5:30 pm-7:01 pm

Nonstop3h 31m

Denver Intl

Sun 5/25

11:41 am-4:35 pm

Nonstop2h 54m

$172

KnoxvilleDenver

TYS - DEN

TYSDEN

Knoxville McGhee Tyson

Sun 6/1

3:52 pm-5:00 pm

Nonstop3h 08m

Denver Intl

Thu 6/5

6:25 pm-4:11 pm

1 stop19h 46m

$208

KnoxvilleDenver

TYS - DEN

TYSDEN

Knoxville McGhee Tyson

Thu 5/29

4:52 pm-6:08 pm

Nonstop3h 16m

Denver Intl

Wed 6/4

1:25 pm-10:40 pm

1 stop7h 15m

$239

KnoxvilleDenver

TYS - DEN

TYSDEN

Knoxville McGhee Tyson

Thu 5/22

5:05 am-8:36 am

1 stop5h 31m

Denver Intl

Sun 6/1

11:59 pm-8:24 am

1 stop6h 25m

$249

KnoxvilleColorado Springs

TYS - COS

TYSCOS

Knoxville McGhee Tyson

Fri 7/4

5:15 am-10:00 am

1 stop6h 45m

Colorado Springs

Wed 7/9

5:00 am-1:12 pm

1 stop6h 12m

$257

KnoxvilleDenver

TYS - DEN

TYSDEN

Knoxville McGhee Tyson

Tue 5/13

4:22 pm-9:57 pm

1 stop7h 35m

Denver Intl

Mon 5/19

12:55 am-10:23 am

1 stop7h 28m

$264

KnoxvilleColorado Springs

TYS - COS

TYSCOS

Knoxville McGhee Tyson

Fri 7/4

5:57 pm-8:57 pm

1 stop5h 00m

Colorado Springs

Wed 7/9

10:54 am-9:16 pm

2 stops8h 22m

$269

KnoxvilleColorado Springs

TYS - COS

TYSCOS

Knoxville McGhee Tyson

Thu 6/12

7:30 am-9:15 am

1 stop27h 45m

Colorado Springs

Mon 6/16

10:05 am-8:00 am

1 stop19h 55m

$286

KnoxvilleColorado Springs

TYS - COS

TYSCOS

Knoxville McGhee Tyson

Thu 6/12

6:00 am-5:00 pm

3 stops37h 00m

Colorado Springs

Mon 6/16

10:05 am-8:00 am

1 stop19h 55m

$364

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 28 results
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Best time to book a flight from Knoxville to Colorado

Have a flexible travel schedule? Discover the best time to fly to Colorado 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 Colorado

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

Currently, October is the cheapest month in which you can book a flight from Knoxville to Colorado (average of $197). Flying from Knoxville to Colorado in March is currently the most expensive (average of $278). 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.

What is the cheapest time of day to fly from TYS to CO?

Find hourly flight availability from Knoxville to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 30, 2025.

When flying from Knoxville to Colorado, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Colorado by month

Plan your trip to Colorado by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Colorado ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Colorado when rainfall is around 0.5 in.

Temperature in Colorado by month

Plan your trip to Colorado by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Colorado, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated April 30, 2025.
Read reviews from past customers who have flown Delta, United Airlines and Allegiant Air from Knoxville to Colorado. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Allegiant Air
7.3
Good
734 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Frontier
6.0
Okay
3,284 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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

  • What airport do you fly from for flights from Knoxville to Colorado?

    Most people fly from Knoxville McGhee Tyson (TYS) if they book a flight from Knoxville to Colorado. Knoxville McGhee Tyson is conveniently located just 11.3 mi from Knoxville’s city center.

  • How popular is this Knoxville to Colorado flight route?

    Within the past month, 19 users have taken a look at flights from Knoxville McGhee Tyson to Colorado.

  • What are the cheapest airlines to fly from Knoxville to Colorado one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $59. Allegiant Air flights start at $67 while deals on Delta start at $191 one-way.

  • What are the most popular routes from Knoxville to Colorado?

    The most popular flight routes from Knoxville to Colorado are Knoxville McGhee Tyson - Denver Intl, Knoxville McGhee Tyson - Colorado Springs and Knoxville McGhee Tyson - Grand Junction Regnl.

  • What are the most reliable airlines from Knoxville to Colorado?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Knoxville to Colorado on time: SkyWest Airlines (93%), United Airlines (93%), Allegiant Air (80%).

  • What are the cheapest flights from Knoxville to Colorado?

    Looking for the cheapest flight from Knoxville to Colorado? While on average our users pay $693, our data indicates the cheapest price to be $87. The most popular route (Knoxville McGhee Tyson - Denver Intl), is priced around $129.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Knoxville to Colorado (average of $197). Flying from Knoxville to Colorado in March is currently the most expensive (average of $278). 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.

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Alternative routes for Knoxville to Colorado

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Top 5 airlines flying from Knoxville to Colorado

Discover the top 5 airlines that operate flights from Knoxville to Colorado. 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$62Average$143FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$68Average$137FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$148Average$487FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$219Average$580FlexibilityNo cancel feeOn-time69%
DeltaCheapest$227Average$322FlexibilityNo cancel feeOn-timeN/A

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