$198+ 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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — BOI
Dec 13 — Dec 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
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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 November 13, 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 November 13, 2026.
This United Airlines deal was found by Cheapflights users on 11/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/55:35 pm -
1 stop7h 24m
Mon 12/72:48 pm -
1 stop6h 02m
Deal found 11/12![United Airlines logo]()
$415
This Delta deal was found by Cheapflights users on 11/9. 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 12/75:10 pm -
2 stops9h 00m
Mon 12/146:45 pm -
2 stops13h 16m
Deal found 11/9![Delta logo]()
$425
This United Airlines deal was found by Cheapflights users on 11/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/114:43 pm -
1 stop6h 44m
Wed 12/166:15 am -
1 stop6h 25m
Deal found 11/12![United Airlines logo]()
$430
This Southwest deal was found by Cheapflights users on 11/12. 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.
Sat 12/57:10 am -
2 stops15h 15m
Mon 12/75:45 am -
2 stops12h 05m
Deal found 11/12![Southwest logo]()
$431
This Delta deal was found by Cheapflights users on 11/8. 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 12/115:10 pm -
2 stops9h 00m
Mon 12/146:45 pm -
2 stops13h 16m
Deal found 11/8![Delta logo]()
$435
This Southwest deal was found by Cheapflights users on 11/12. 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.
Fri 12/117:05 am -
2 stops10h 10m
Wed 12/166:20 am -
2 stops11h 30m
Deal found 11/12![Southwest logo]()
$440
This Southwest deal was found by Cheapflights users on 11/8. 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.
Thu 12/173:40 pm -
2 stops11h 15m
Sun 1/35:05 am -
2 stops11h 35m
Deal found 11/8![Southwest logo]()
$554
This Delta deal was found by Cheapflights users on 11/12. 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.
Tue 11/177:00 am -
1 stop8h 39m
Wed 11/183:00 pm -
1 stop6h 11m
Deal found 11/12![Delta logo]()
$605
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 November 13, 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 November 13, 2026.
This American Airlines deal was found by Cheapflights users on 11/9. 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 12/75:30 am -
1 stop7h 54m
Mon 12/141:39 pm -
1 stop7h 47m
Deal found 11/9![American Airlines logo]()
$415
This Delta deal was found by Cheapflights users on 11/9. 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 12/75:10 pm -
2 stops9h 00m
Mon 12/141:47 pm -
1 stop8h 10m
Deal found 11/9![Delta logo]()
$420
This Southwest deal was found by Cheapflights users on 11/12. 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.
Fri 12/117:05 am -
2 stops10h 10m
Wed 12/166:20 am -
2 stops11h 30m
Deal found 11/12![Southwest logo]()
$440
This United Airlines deal was found by Cheapflights users on 11/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/84:28 pm -
1 stop7h 05m
Sun 1/106:20 am -
2 stops12h 45m
Deal found 11/12![United Airlines logo]()
$491
This Delta deal was found by Cheapflights users on 11/8. 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 12/117:00 am -
1 stop8h 44m
Mon 12/145:15 am -
2 stops11h 07m
Deal found 11/8![Delta logo]()
$430
This Southwest deal was found by Cheapflights users on 11/8. 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.
Thu 2/113:50 pm -
1 stop9h 25m
Sun 2/148:20 am -
1 stop5h 35m
Deal found 11/8![Southwest logo]()
$456
This Delta deal was found by Cheapflights users on 11/10. 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.
Sun 1/107:52 am -
1 stop8h 18m
Wed 1/138:44 am -
2 stops11h 30m
Deal found 11/10![Delta logo]()
$451
This United Airlines deal was found by Cheapflights users on 11/10. 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 1/166:55 am -
2 stops13h 14m
Wed 1/2010:40 am -
2 stops11h 19m
Deal found 11/10![United Airlines logo]()
$525
Last-minute flights from Knoxville to BoiseDiscover last-minute flight deals from Knoxville to Boise. Data last updated November 13, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Boise. Data last updated November 13, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 11/12. 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.
Tue 11/177:00 am -
1 stop8h 39m
Wed 11/183:00 pm -
1 stop6h 11m
Deal found 11/12![Delta logo]()
$605
This United Airlines deal was found by Cheapflights users on 11/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/55:35 pm -
1 stop7h 24m
Mon 12/72:48 pm -
1 stop6h 02m
Deal found 11/12![United Airlines logo]()
$415
This Southwest deal was found by Cheapflights users on 11/12. 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.
Sat 12/57:10 am -
2 stops15h 15m
Mon 12/75:45 am -
2 stops12h 05m
Deal found 11/12![Southwest logo]()
$431
This Delta deal was found by Cheapflights users on 11/9. 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 12/75:10 pm -
2 stops9h 00m
Mon 12/146:45 pm -
2 stops13h 16m
Deal found 11/9![Delta logo]()
$425
This United Airlines deal was found by Cheapflights users on 11/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/114:43 pm -
1 stop6h 44m
Wed 12/166:15 am -
1 stop6h 25m
Deal found 11/12![United Airlines logo]()
$430
This Delta deal was found by Cheapflights users on 11/8. 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 12/115:10 pm -
2 stops9h 00m
Mon 12/146:45 pm -
2 stops13h 16m
Deal found 11/8![Delta logo]()
$435
This Southwest deal was found by Cheapflights users on 11/12. 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.
Fri 12/117:05 am -
2 stops10h 10m
Wed 12/166:20 am -
2 stops11h 30m
Deal found 11/12![Southwest logo]()
$440
This Southwest deal was found by Cheapflights users on 11/8. 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.
Thu 12/173:40 pm -
2 stops11h 15m
Sun 1/35:05 am -
2 stops11h 35m
Deal found 11/8![Southwest logo]()
$554
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 November 13, 2026.
Search for one-way flight options from Knoxville to Boise. Find affordable one-way fares based on user searches. Data last updated November 13, 2026.
This American Airlines deal was found by Cheapflights users on 11/11. 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.
Tue 12/87:44 am -
1 stop7h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/11![American Airlines logo]()
$198
This Southwest deal was found by Cheapflights users on 11/12. 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.
Wed 12/97:05 am -
2 stops10h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/12![Southwest logo]()
$203
This United Airlines deal was found by Cheapflights users on 11/11. 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.
Tue 12/86:20 am -
3 stops17h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/11![United Airlines logo]()
$268
This United Airlines deal was found by Cheapflights users on 11/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/94:43 pm -
1 stop6h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/12![United Airlines logo]()
$278
This American Airlines deal was found by Cheapflights users on 11/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/15:30 pm -
1 stop8h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![American Airlines logo]()
$279
This Southwest deal was found by Cheapflights users on 11/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/12:40 pm -
2 stops10h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![Southwest logo]()
$303
This Southwest deal was found by Cheapflights users on 11/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/261:20 pm -
1 stop6h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/11![Southwest logo]()
$319
This Delta deal was found by Cheapflights users on 11/11. 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.
Thu 11/265:40 am -
2 stops10h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/11![Delta logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 11/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/14:32 pm -
3 stops52h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![Multiple Airlines logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 11/12. 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.
Wed 12/911:02 am -
3 stops57h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/12![Multiple Airlines logo]()
$359
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 November 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $415 (United Airlines) |
One-way from | $198 (American Airlines) |
Popular in | March |
Cheapest in | April |
Average price | $409 |
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 November 13, 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
Wed 12/9
7:05 am-3:10 pm
2 stops10h 05m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$203
KnoxvilleBoise
TYS Knoxville McGhee Tyson - BOI Boise Air Term. Gowen Fld
TYSBOI
Knoxville McGhee Tyson
Tue 12/8
6:20 am-9:27 pm
3 stops17h 07m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$268
Quickest round-trip
KnoxvilleBoise
TYS Knoxville McGhee Tyson - BOI Boise Air Term. Gowen Fld
TYSBOI
Knoxville McGhee Tyson
Wed 12/9
4:43 pm-9:27 pm
1 stop6h 44m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$278
KnoxvilleBoise
TYS Knoxville McGhee Tyson - BOI Boise Air Term. Gowen Fld
TYSBOI
Knoxville McGhee Tyson
Tue 12/1
2:40 pm-11:15 pm
2 stops10h 35m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$303
KnoxvilleBoise
TYS Knoxville McGhee Tyson - BOI Boise Air Term. Gowen Fld
TYSBOI
Knoxville McGhee Tyson
Thu 11/26
5:40 am-1:51 pm
2 stops10h 11m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$324
KnoxvilleBoise
TYS Knoxville McGhee Tyson - BOI Boise Air Term. Gowen Fld
TYSBOI
Knoxville McGhee Tyson
Fri 11/20
5:25 pm-1:30 am
2 stops10h 05m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$372
KnoxvilleBoise
TYS Knoxville McGhee Tyson - BOI Boise Air Term. Gowen Fld
TYSBOI
Knoxville McGhee Tyson
Mon 12/7
5:30 am-11:24 am
1 stop7h 54m
Boise Air Term. Gowen Fld
Mon 12/14
1:39 pm-11:26 pm
1 stop7h 47m
$415
KnoxvilleBoise
TYS Knoxville McGhee Tyson - BOI Boise Air Term. Gowen Fld
TYSBOI
Knoxville McGhee Tyson
Mon 12/7
5:10 pm-12:10 am
2 stops9h 00m
Boise Air Term. Gowen Fld
Mon 12/14
1:47 pm-11:57 pm
1 stop8h 10m
$420
KnoxvilleBoise
TYS Knoxville McGhee Tyson - BOI Boise Air Term. Gowen Fld
TYSBOI
Knoxville McGhee Tyson
Fri 11/20
6:45 am-11:31 am
1 stop6h 46m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$427
KnoxvilleBoise
TYS Knoxville McGhee Tyson - BOI Boise Air Term. Gowen Fld
TYSBOI
Knoxville McGhee Tyson
Fri 12/11
7:00 am-1:44 pm
1 stop8h 44m
Boise Air Term. Gowen Fld
Mon 12/14
5:15 am-6:22 pm
2 stops11h 07m
$430
Showing 1-10 of 18 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 November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 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 November 13, 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.
Crew
8.5
Entertainment
7.8
Boarding
8.1
Food
7.2
Overall
7.8
Comfort
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Crew
8.5
Entertainment
7.8
Boarding
8.1
Food
7.2
Overall
7.8
Comfort
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Crew
8.5
Entertainment
7.8
Boarding
8.1
Food
7.2
Overall
7.8
Comfort
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Crew
8.5
Entertainment
7.8
Boarding
8.1
Food
7.2
Overall
7.8
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 November 13, 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 November 13, 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 November 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$350 | Average$536 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$398 | Average$570 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$413 | Average$609 | FlexibilityNo cancel fee | On-time71% |