$156+ Cheap flights from Colorado Springs to Knoxville (COS - TYS)
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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
COS — TYS
Sep 17 — Sep 241
Round-trip
1 adult, Economy
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Find cheap flights from Colorado Springs to Knoxville with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Colorado Springs to Knoxville
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Best
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Cheapest flights from Colorado Springs to KnoxvilleExplore the most affordable flight options available from Colorado Springs to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2026.
Explore the most affordable flight options available from Colorado Springs to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2026.
This American Airlines deal was found by Cheapflights users on 8/13. 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 10/273:58 pm -
1 stop5h 20m
Sat 11/75:30 am -
1 stop8h 30m
Deal found 8/13![American Airlines logo]()
$207
This Southwest deal was found by Cheapflights users on 8/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2712:40 pm -
2 stops6h 20m
Sat 11/75:20 pm -
1 stop5h 10m
Deal found 8/13![Southwest logo]()
$212
This Southwest deal was found by Cheapflights users on 8/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:00 am -
2 stops7h 30m
Sat 11/75:20 pm -
1 stop5h 10m
Deal found 8/13![Southwest logo]()
$227
This American Airlines deal was found by Cheapflights users on 8/14. 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.
Sat 10/35:45 am -
1 stop6h 44m
Sat 10/316:00 am -
1 stop5h 37m
Deal found 8/14![American Airlines logo]()
$311
This United Airlines deal was found by Cheapflights users on 8/16. 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 10/31:29 pm -
1 stop6h 45m
Sat 10/316:45 am -
2 stops7h 36m
Deal found 8/16![United Airlines logo]()
$316
This American Airlines deal was found by Cheapflights users on 8/16. 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.
Sat 12/128:00 am -
2 stops8h 46m
Tue 12/1512:20 pm -
2 stops12h 26m
Deal found 8/16![American Airlines logo]()
$321
This Southwest deal was found by Cheapflights users on 8/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/125:30 am -
1 stop6h 40m
Thu 12/173:40 pm -
1 stop8h 00m
Deal found 8/16![Southwest logo]()
$333
This Southwest deal was found by Cheapflights users on 8/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/215:10 am -
2 stops7h 20m
Sat 12/55:20 pm -
1 stop5h 10m
Deal found 8/14![Southwest logo]()
$347
This American Airlines deal was found by Cheapflights users on 8/17. 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.
Sat 9/53:51 pm -
1 stop5h 27m
Tue 9/86:03 am -
1 stop5h 15m
Deal found 8/17![American Airlines logo]()
$350
Best flights from Colorado Springs to KnoxvilleDiscover carefully curated flight deals from Colorado Springs to Knoxville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 18, 2026.
Discover carefully curated flight deals from Colorado Springs to Knoxville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 18, 2026.
This Southwest deal was found by Cheapflights users on 8/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2712:40 pm -
2 stops6h 20m
Sat 11/75:20 pm -
1 stop5h 10m
Deal found 8/13![Southwest logo]()
$212
This American Airlines deal was found by Cheapflights users on 8/14. 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.
Sat 10/35:45 am -
1 stop6h 44m
Sat 10/316:56 am -
2 stops10h 04m
Deal found 8/14![American Airlines logo]()
$316
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Fri 10/301:28 pm -
1 stop7h 01m
Mon 11/25:05 pm -
1 stop5h 44m
Deal found 8/13![United Airlines logo]()
$378
This Southwest deal was found by Cheapflights users on 8/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:00 am -
2 stops7h 30m
Sat 11/75:20 pm -
1 stop5h 10m
Deal found 8/13![Southwest logo]()
$227
This Southwest deal was found by Cheapflights users on 8/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/215:10 am -
2 stops7h 20m
Sat 12/57:10 am -
2 stops9h 40m
Deal found 8/14![Southwest logo]()
$352
This American Airlines deal was found by Cheapflights users on 8/14. 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.
Sat 11/211:41 pm -
1 stop8h 01m
Sat 12/55:30 am -
1 stop8h 40m
Deal found 8/14![American Airlines logo]()
$424
This Southwest deal was found by Cheapflights users on 8/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:55 am -
2 stops10h 00m
Sat 9/57:50 am -
2 stops12h 10m
Deal found 8/17![Southwest logo]()
$410
This Southwest deal was found by Cheapflights users on 8/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/178:30 am -
2 stops9h 15m
Tue 11/243:45 pm -
2 stops9h 25m
Deal found 8/17![Southwest logo]()
$415
Last-minute flights from Colorado Springs to KnoxvilleDiscover last-minute flight deals from Colorado Springs to Knoxville. Data last updated August 18, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado Springs to Knoxville. Data last updated August 18, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Wed 8/197:40 am -
1 stop8h 37m
Wed 9/27:00 am -
1 stop5h 33m
Deal found 8/13![United Airlines logo]()
$380
This American Airlines deal was found by Cheapflights users on 8/13. 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.
Wed 8/191:17 pm -
2 stops7h 41m
Wed 9/21:56 pm -
2 stops10h 57m
Deal found 8/13![American Airlines logo]()
$459
This Southwest deal was found by Cheapflights users on 8/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:55 am -
2 stops10h 00m
Sat 9/57:50 am -
2 stops12h 10m
Deal found 8/17![Southwest logo]()
$410
This United Airlines deal was found by Cheapflights users on 8/17. 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 9/18:38 am -
1 stop5h 16m
Sat 9/57:00 am -
1 stop5h 33m
Deal found 8/17![United Airlines logo]()
$445
This American Airlines deal was found by Cheapflights users on 8/17. 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.
Sat 9/53:51 pm -
1 stop5h 27m
Tue 9/86:03 am -
1 stop5h 15m
Deal found 8/17![American Airlines logo]()
$350
This United Airlines deal was found by Cheapflights users on 8/15. 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.
Sun 9/68:38 am -
1 stop5h 16m
Sun 9/136:00 am -
1 stop6h 47m
Deal found 8/15![United Airlines logo]()
$457
This Southwest deal was found by Cheapflights users on 8/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:30 am -
1 stop8h 50m
Sun 9/137:35 am -
2 stops9h 15m
Deal found 8/15![Southwest logo]()
$458
This American Airlines deal was found by Cheapflights users on 8/15. 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.
Mon 9/143:54 pm -
1 stop5h 28m
Sun 9/206:00 am -
1 stop5h 22m
Deal found 8/15![American Airlines logo]()
$462
One-way flights from Colorado Springs to KnoxvilleSearch for one-way flight options from Colorado Springs to Knoxville. Find affordable one-way fares based on user searches. Data last updated August 18, 2026.
Search for one-way flight options from Colorado Springs to Knoxville. Find affordable one-way fares based on user searches. Data last updated August 18, 2026.
This American Airlines deal was found by Cheapflights users on 8/14. 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.
Sat 10/35:45 am -
1 stop6h 44m
Deal found 8/14![American Airlines logo]()
$156
This United Airlines deal was found by Cheapflights users on 8/15. 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 10/1911:57 am -
1 stop6h 52m
Deal found 8/15![United Airlines logo]()
$167
This Southwest deal was found by Cheapflights users on 8/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/192:05 pm -
2 stops6h 35m
Deal found 8/15![Southwest logo]()
$172
This Southwest deal was found by Cheapflights users on 8/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:40 am -
2 stops10h 10m
Deal found 8/14![Southwest logo]()
$192
This deal was found by Cheapflights users on 8/17. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/202:55 pm -
1 stop5h 19m
Deal found 8/17![United Airlines logo]()
$201
This American Airlines deal was found by Cheapflights users on 8/15. 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 10/207:57 am -
2 stops12h 57m
Deal found 8/15![American Airlines logo]()
$206
This Delta deal was found by Cheapflights users on 8/17. 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.
Wed 8/266:00 am -
1 stop5h 34m
Deal found 8/17![Delta logo]()
$232
This Southwest deal was found by Cheapflights users on 8/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:05 am -
1 stop5h 55m
Deal found 8/17![Southwest logo]()
$234
This Southwest deal was found by Cheapflights users on 8/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:20 am -
2 stops10h 30m
Deal found 8/17![Southwest logo]()
$237
This deal was found by Cheapflights users on 8/17. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/171:26 pm -
1 stop4h 42m
Deal found 8/17![Delta logo]()
$240
Find flight deals from Colorado Springs to Knoxville
Discover tips and strategies to find the most affordable flight options for your journey from Colorado Springs (COS) to Knoxville (TYS). 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 August 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $207 (American Airlines) |
One-way from | $156 (American Airlines) |
Popular in | June |
Cheapest in | April |
Average price | $398 |
Cheapflights Fare Finder
Customize your flight search to find flights from Colorado Springs to Knoxville 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 August 18, 2026.
Use the filters below to find and compare flights from Colorado Springs to Knoxville that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
Colorado SpringsKnoxville
COS Colorado Springs - TYS Knoxville McGhee Tyson
COSTYS
Colorado Springs
Tue 10/27
12:40 pm-9:00 pm
2 stops6h 20m
Knoxville McGhee Tyson
Sat 11/7
5:20 pm-8:30 pm
1 stop5h 10m
$212
Colorado SpringsKnoxville
COS Colorado Springs - TYS Knoxville McGhee Tyson
COSTYS
Colorado Springs
Sat 10/31
6:00 am-3:30 pm
2 stops7h 30m
Knoxville McGhee Tyson
Sat 11/7
5:20 pm-8:30 pm
1 stop5h 10m
$227
Colorado SpringsKnoxville
COS Colorado Springs - TYS Knoxville McGhee Tyson
COSTYS
Colorado Springs
Sat 10/3
5:45 am-2:29 pm
1 stop6h 44m
Knoxville McGhee Tyson
Sat 10/31
6:56 am-3:00 pm
2 stops10h 04m
$316
Colorado SpringsKnoxville
COS Colorado Springs - TYS Knoxville McGhee Tyson
COSTYS
Colorado Springs
Sat 11/21
5:10 am-2:30 pm
2 stops7h 20m
Knoxville McGhee Tyson
Sat 12/5
7:10 am-2:50 pm
2 stops9h 40m
$352
Colorado SpringsKnoxville
COS Colorado Springs - TYS Knoxville McGhee Tyson
COSTYS
Colorado Springs
Fri 10/30
1:28 pm-10:29 pm
1 stop7h 01m
Knoxville McGhee Tyson
Mon 11/2
5:05 pm-8:49 pm
1 stop5h 44m
$378
Colorado SpringsKnoxville
COS Colorado Springs - TYS Knoxville McGhee Tyson
COSTYS
Colorado Springs
Tue 9/1
6:55 am-6:55 pm
2 stops10h 00m
Knoxville McGhee Tyson
Sat 9/5
7:50 am-6:00 pm
2 stops12h 10m
$410
Colorado SpringsKnoxville
COS Colorado Springs - TYS Knoxville McGhee Tyson
COSTYS
Colorado Springs
Tue 11/17
8:30 am-7:45 pm
2 stops9h 15m
Knoxville McGhee Tyson
Tue 11/24
3:45 pm-11:10 pm
2 stops9h 25m
$415
Colorado SpringsKnoxville
COS Colorado Springs - TYS Knoxville McGhee Tyson
COSTYS
Colorado Springs
Sat 11/21
1:41 pm-11:42 pm
1 stop8h 01m
Knoxville McGhee Tyson
Sat 12/5
5:30 am-12:10 pm
1 stop8h 40m
$424
Cheapest one-way
Colorado SpringsKnoxville
COS Colorado Springs - TYS Knoxville McGhee Tyson
COSTYS
Colorado Springs
Mon 10/19
11:57 am-8:49 pm
1 stop6h 52m
$167
Colorado SpringsKnoxville
COS Colorado Springs - TYS Knoxville McGhee Tyson
COSTYS
Colorado Springs
Sat 10/17
11:57 am-8:49 pm
1 stop6h 52m
$201
Showing 1-10 of 16 resultsSorted by cheapest first
Compare providers for flights from Colorado Springs to Knoxville
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 Colorado Springs to Knoxville in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Colorado Springs-Knoxville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Colorado Springs-Knoxville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Colorado Springs-Knoxville flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Colorado Springs-Knoxville flights, Cheapflights users trust FlightHub the most. FlightHub 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 Colorado Springs-Knoxville 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 Colorado Springs to Knoxville
Have a flexible travel schedule? Discover the best time to fly to Knoxville from Colorado Springs with our price prediction graph.
COS-TYS
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 Colorado Springs to Knoxville
Reviews of airlines servicing Knoxville
Get insights into the airlines that provide service to Knoxville. 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 Knoxville. Reviews last updated August 18, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican Airlines from Colorado Springs to Knoxville by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Entertainment
7.8
Comfort
7.8
Overall
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Entertainment
7.8
Comfort
7.8
Overall
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Entertainment
7.8
Comfort
7.8
Overall
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Entertainment
7.8
Comfort
7.8
Overall
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Colorado Springs to Knoxville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Knoxville?
Book flights to Knoxville if you plan to visit one of these locationsCherokee
Crossville
Morristown
Bryson City
Murphy
Alcoa
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Other flights to Knoxville
Explore flights to Knoxville departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 18, 2026.
Colorado Springs and Knoxville flights
Browse other Colorado Springs and Knoxville flight options. Last updated on August 18, 2026.
Other flights from Colorado Springs
Browse through other flights departing from Colorado Springs. Flights are based on user searches made on Cheapflights and were last updated on August 18, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Colorado Springs to Knoxville
Discover the top 3 airlines that operate flights from Colorado Springs to Knoxville. 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 August 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$204 | Average$348 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$242 | Average$398 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$257 | Average$431 | FlexibilityNo cancel fee | On-timeN/A |