$199+ Cheap flights from Knoxville to Boise (TYS - BOI)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/31. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — BOI
Nov 13 — Nov 201
Round-trip
1 adult, Economy
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Find cheap flights from Knoxville to Boise 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 Knoxville to Boise
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Cheapest flights from Knoxville to BoiseExplore the most affordable flight options available from Knoxville to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 14, 2026.
Explore the most affordable flight options available from Knoxville to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 14, 2026.
This United Airlines deal was found by Cheapflights users on 10/10. 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 11/75:03 pm -
1 stop7h 56m
Sat 11/148:28 am -
1 stop6h 31m
Deal found 10/10![United Airlines logo]()
$363
This Southwest deal was found by Cheapflights users on 10/13. 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 11/107:05 am -
2 stops10h 05m
Tue 11/176:20 am -
2 stops11h 30m
Deal found 10/13![Southwest logo]()
$373
This Delta deal was found by Cheapflights users on 10/10. 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.
Sat 11/75:40 am -
2 stops8h 55m
Sat 11/141:19 pm -
2 stops7h 52m
Deal found 10/10![Delta logo]()
$374
This American Airlines deal was found by Cheapflights users on 10/11. 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.
Fri 11/65:32 pm -
1 stop7h 10m
Sun 11/812:15 pm -
1 stop9h 17m
Deal found 10/11![American Airlines logo]()
$395
This Delta deal was found by Cheapflights users on 10/12. 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.
Mon 11/94:00 pm -
1 stop7h 59m
Mon 11/163:00 pm -
1 stop6h 11m
Deal found 10/12![Delta logo]()
$421
This Kiwi.com deal was found by Cheapflights users on 10/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:30 am -
2 stops13h 23m
Thu 11/192:49 pm -
1 stop19h 53m
Deal found 10/12![Multiple Airlines logo]()
$450
This American Airlines deal was found by Cheapflights users on 10/13. 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 10/205:26 pm -
1 stop7h 03m
Tue 11/102:41 pm -
1 stop6h 51m
Deal found 10/13![American Airlines logo]()
$469
This Delta deal was found by Cheapflights users on 10/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:11 pm -
2 stops9h 48m
Tue 11/106:45 pm -
2 stops13h 10m
Deal found 10/13![Delta logo]()
$484
This American Airlines deal was found by Cheapflights users on 10/12. 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 10/296:00 am -
1 stop9h 51m
Tue 11/31:24 pm -
1 stop7h 27m
Deal found 10/12![American Airlines logo]()
$485
Best flights from Knoxville to BoiseDiscover carefully curated flight deals from Knoxville to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 14, 2026.
Discover carefully curated flight deals from Knoxville to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 14, 2026.
This United Airlines deal was found by Cheapflights users on 10/13. 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.
Tue 11/109:00 am -
2 stops9h 42m
Tue 11/172:51 pm -
1 stop5h 41m
Deal found 10/13![United Airlines logo]()
$368
This Southwest deal was found by Cheapflights users on 10/12. 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 10/273:20 pm -
2 stops9h 55m
Sat 10/316:00 am -
2 stops11h 40m
Deal found 10/12![Southwest logo]()
$575
This Delta deal was found by Cheapflights users on 10/11. 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.
Sat 11/215:40 am -
1 stop9h 31m
Sat 11/285:15 am -
1 stop9h 05m
Deal found 10/11![Delta logo]()
$591
This United Airlines deal was found by Cheapflights users on 10/10. 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 11/71:55 pm -
2 stops11h 04m
Sat 11/142:51 pm -
1 stop5h 41m
Deal found 10/10![United Airlines logo]()
$368
This United Airlines deal was found by Cheapflights users on 10/13. 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.
Sat 1/231:55 pm -
2 stops9h 38m
Mon 1/256:20 am -
1 stop6h 35m
Deal found 10/13![United Airlines logo]()
$368
This United Airlines deal was found by Cheapflights users on 10/11. 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 11/66:45 am -
1 stop6h 46m
Sun 11/85:00 am -
2 stops9h 59m
Deal found 10/11![United Airlines logo]()
$520
This United Airlines deal was found by Cheapflights users on 10/10. 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 10/285:40 pm -
1 stop7h 11m
Sat 10/318:28 am -
1 stop6h 31m
Deal found 10/10![United Airlines logo]()
$585
Last-minute flights from Knoxville to BoiseDiscover last-minute flight deals from Knoxville to Boise. Data last updated October 14, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Boise. Data last updated October 14, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 10/13. 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 10/205:26 pm -
1 stop7h 03m
Tue 11/102:41 pm -
1 stop6h 51m
Deal found 10/13![American Airlines logo]()
$469
This Delta deal was found by Cheapflights users on 10/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:11 pm -
2 stops9h 48m
Tue 11/106:45 pm -
2 stops13h 10m
Deal found 10/13![Delta logo]()
$484
This American Airlines deal was found by Cheapflights users on 10/12. 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 10/296:00 am -
1 stop9h 51m
Tue 11/31:24 pm -
1 stop7h 27m
Deal found 10/12![American Airlines logo]()
$485
This American Airlines deal was found by Cheapflights users on 10/11. 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.
Fri 11/65:32 pm -
1 stop7h 10m
Sun 11/812:15 pm -
1 stop9h 17m
Deal found 10/11![American Airlines logo]()
$395
This United Airlines deal was found by Cheapflights users on 10/10. 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 11/75:03 pm -
1 stop7h 56m
Sat 11/148:28 am -
1 stop6h 31m
Deal found 10/10![United Airlines logo]()
$363
This Delta deal was found by Cheapflights users on 10/10. 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.
Sat 11/75:40 am -
2 stops8h 55m
Sat 11/141:19 pm -
2 stops7h 52m
Deal found 10/10![Delta logo]()
$374
This Delta deal was found by Cheapflights users on 10/12. 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.
Mon 11/94:00 pm -
1 stop7h 59m
Mon 11/163:00 pm -
1 stop6h 11m
Deal found 10/12![Delta logo]()
$421
This Southwest deal was found by Cheapflights users on 10/13. 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 11/107:05 am -
2 stops10h 05m
Tue 11/176:20 am -
2 stops11h 30m
Deal found 10/13![Southwest logo]()
$373
This Kiwi.com deal was found by Cheapflights users on 10/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:30 am -
2 stops13h 23m
Thu 11/192:49 pm -
1 stop19h 53m
Deal found 10/12![Multiple Airlines logo]()
$450
One-way flights from Knoxville to BoiseSearch for one-way flight options from Knoxville to Boise. Find affordable one-way fares based on user searches. Data last updated October 14, 2026.
Search for one-way flight options from Knoxville to Boise. Find affordable one-way fares based on user searches. Data last updated October 14, 2026.
This Delta deal was found by Cheapflights users on 10/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/314:52 pm -
2 stops9h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Delta logo]()
$199
This American Airlines deal was found by Cheapflights users on 10/14. 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.
Wed 3/245:30 am -
1 stop9h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![American Airlines logo]()
$225
This Southwest deal was found by Cheapflights users on 10/14. 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.
Wed 3/246:55 am -
2 stops11h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Southwest logo]()
$230
This Southwest deal was found by Cheapflights users on 10/14. 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.
Mon 11/95:25 pm -
2 stops10h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Southwest logo]()
$237
This American Airlines deal was found by Cheapflights users on 10/14. 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.
Thu 3/255:30 am -
1 stop9h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![American Airlines logo]()
$244
This Southwest deal was found by Cheapflights users on 10/14. 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 3/274:10 pm -
2 stops11h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Southwest logo]()
$245
This United Airlines deal was found by Cheapflights users on 10/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:05 pm -
1 stop6h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![United Airlines logo]()
$260
This Southwest deal was found by Cheapflights users on 10/14. 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.
Fri 3/266:05 pm -
1 stop6h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Southwest logo]()
$274
This American Airlines deal was found by Cheapflights users on 10/12. 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 10/275:26 pm -
1 stop7h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![American Airlines logo]()
$283
Find flight deals from Knoxville to Boise
Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Boise (BOI). 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 October 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $363 (United Airlines) |
One-way from | $199 (Delta) |
Popular in | March |
Cheapest in | April |
Average price | $783 |
Cheapflights Fare Finder
Customize your flight search to find flights from Knoxville to Boise 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 7,457,451 searches. Data last updated October 14, 2026.
Use the filters below to find and compare flights from Knoxville to Boise that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
KnoxvilleBoise
TYS Knoxville McGhee Tyson - BOI Boise Air Term. Gowen Fld
TYSBOI
Knoxville McGhee Tyson
Thu 12/31
4:52 pm-11:59 pm
2 stops9h 07m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$199
KnoxvilleBoise
TYS Knoxville McGhee Tyson - BOI Boise Air Term. Gowen Fld
TYSBOI
Knoxville McGhee Tyson
Sat 3/27
4:10 pm-1:15 am
2 stops11h 05m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$245
Quickest round-trip
KnoxvilleBoise
TYS Knoxville McGhee Tyson - BOI Boise Air Term. Gowen Fld
TYSBOI
Knoxville McGhee Tyson
Mon 11/9
5:05 pm-9:32 pm
1 stop6h 27m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$260
KnoxvilleBoise
TYS Knoxville McGhee Tyson - BOI Boise Air Term. Gowen Fld
TYSBOI
Knoxville McGhee Tyson
Fri 3/26
6:05 pm-1:55 am
2 stops9h 50m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$279
KnoxvilleBoise
TYS Knoxville McGhee Tyson - BOI Boise Air Term. Gowen Fld
TYSBOI
Knoxville McGhee Tyson
Tue 10/27
5:26 pm-10:34 pm
1 stop7h 08m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$283
KnoxvilleBoise
TYS Knoxville McGhee Tyson - BOI Boise Air Term. Gowen Fld
TYSBOI
Knoxville McGhee Tyson
Tue 12/29
7:15 pm-1:30 am
2 stops8h 15m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$319
KnoxvilleBoise
TYS Knoxville McGhee Tyson - BOI Boise Air Term. Gowen Fld
TYSBOI
Knoxville McGhee Tyson
Wed 12/30
5:35 pm-1:30 am
2 stops9h 55m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$319
KnoxvilleBoise
TYS Knoxville McGhee Tyson - BOI Boise Air Term. Gowen Fld
TYSBOI
Knoxville McGhee Tyson
Tue 11/10
9:00 am-4:42 pm
2 stops9h 42m
Boise Air Term. Gowen Fld
Tue 11/17
2:51 pm-10:32 pm
1 stop5h 41m
$368
KnoxvilleBoise
TYS Knoxville McGhee Tyson - BOI Boise Air Term. Gowen Fld
TYSBOI
Knoxville McGhee Tyson
Sat 11/7
1:55 pm-10:59 pm
2 stops11h 04m
Boise Air Term. Gowen Fld
Sat 11/14
2:51 pm-10:32 pm
1 stop5h 41m
$368
KnoxvilleBoise
TYS Knoxville McGhee Tyson - BOI Boise Air Term. Gowen Fld
TYSBOI
Knoxville McGhee Tyson
Sat 1/23
1:55 pm-9:33 pm
2 stops9h 38m
Boise Air Term. Gowen Fld
Mon 1/25
6:20 am-2:55 pm
1 stop6h 35m
$368
Showing 1-10 of 15 resultsSorted by cheapest first
Compare providers for flights from Knoxville to Boise
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 Knoxville to Boise in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Knoxville-Boise flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-Boise flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Knoxville-Boise flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Knoxville-Boise 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 Knoxville-Boise 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 Knoxville to Boise
Have a flexible travel schedule? Discover the best time to fly to Boise from Knoxville with our price prediction graph.
TYS-BOI
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 Boise
Reviews of airlines servicing Boise
Get insights into the airlines that provide service to Boise. 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 Boise. Reviews last updated October 14, 2026.
Read through reviews of airlines operating flights from Knoxville to Boise, such as Delta,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
7.2
Overall
7.8
Entertainment
7.8
Boarding
8.1
Crew
8.5
Comfort
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Food
7.2
Overall
7.8
Entertainment
7.8
Boarding
8.1
Crew
8.5
Comfort
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Food
7.2
Overall
7.8
Entertainment
7.8
Boarding
8.1
Crew
8.5
Comfort
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Food
7.2
Overall
7.8
Entertainment
7.8
Boarding
8.1
Crew
8.5
Comfort
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Related info for your journey
Find useful and relevant information for your journey from Knoxville to Boise. 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 Boise?
Book flights to Boise if you plan to visit one of these locationsOntario
Meridian
Nampa
Caldwell
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Knoxville and Boise flights
Browse other Knoxville and Boise flight options. Last updated on October 14, 2026.
Other flights from Knoxville
Browse through other flights departing from Knoxville. Flights are based on user searches made on Cheapflights and were last updated on October 14, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Knoxville to Boise
Discover the top 3 airlines that operate flights from Knoxville to Boise. 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 7,457,451 searches. Data last updated October 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$350 | Average$558 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$398 | Average$566 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$413 | Average$609 | FlexibilityNo cancel fee | On-time71% |