$124+ Cheap flights from Knoxville to Boise (TYS - BOI)
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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — BOI
Aug 12 — Aug 191
Round-trip
1 adult, Economy
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Find cheap flights from Knoxville to Boise with Cheapflights
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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
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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 July 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 July 13, 2026.
This American Airlines deal was found by Cheapflights users on 7/9. 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.
Fri 8/76:03 am
TYS
- BOI
1 stop7h 13m
American Airlines
Thu 8/132:49 pm
BOI
- TYS
1 stop6h 29m
American Airlines
Deal found 7/9![American Airlines logo]()
$315
This American Airlines deal was found by Cheapflights users on 7/9. 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.
Fri 9/117:30 am
TYS
- BOI
2 stops11h 33m
American Airlines
Tue 9/151:50 pm
BOI
- TYS
1 stop7h 32m
American Airlines
Deal found 7/9![American Airlines logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Thu 10/86:30 am
TYS
- BOI
1 stop6h 58m
Multiple Airlines
Mon 10/123:52 pm
BOI
- TYS
2 stops23h 58m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Sun 8/97:00 am
TYS
- BOI
1 stop7h 29m
Multiple Airlines
Sun 8/161:24 pm
BOI
- TYS
1 stop28h 00m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$370
This United Airlines deal was found by Cheapflights users on 7/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:00 am
TYS
- BOI
1 stop6h 28m
United Airlines
Sat 8/2912:24 pm
BOI
- TYS
1 stop6h 29m
United Airlines
Deal found 7/9![United Airlines logo]()
$377
This Southwest deal was found by Cheapflights users on 7/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/244:50 pm
TYS
- BOI
1 stop7h 45m
Southwest
Sun 9/274:45 pm
BOI
- TYS
2 stops17h 35m
Southwest
Deal found 7/9![Southwest logo]()
$384
This Southwest deal was found by Cheapflights users on 7/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/233:00 pm
TYS
- BOI
1 stop10h 10m
Southwest
Sun 9/274:45 pm
BOI
- TYS
2 stops17h 35m
Southwest
Deal found 7/9![Southwest logo]()
$389
This Southwest deal was found by Cheapflights users on 7/12. 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 9/182:05 pm
TYS
- BOI
2 stops10h 30m
Southwest
Wed 9/306:00 am
BOI
- TYS
2 stops8h 30m
Southwest
Deal found 7/12![Southwest logo]()
$394
This United Airlines deal was found by Cheapflights users on 7/12. 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 9/184:50 pm
TYS
- BOI
1 stop6h 47m
United Airlines
Wed 9/3012:26 pm
BOI
- TYS
1 stop6h 34m
United Airlines
Deal found 7/12![United Airlines logo]()
$397
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 July 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 July 13, 2026.
This United Airlines deal was found by Cheapflights users on 7/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:00 am
TYS
- BOI
2 stops10h 31m
United Airlines
Sat 8/295:00 am
BOI
- TYS
1 stop8h 46m
United Airlines
Deal found 7/9![United Airlines logo]()
$382
This Delta deal was found by Cheapflights users on 7/8. 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.
Wed 8/55:40 am
TYS
- BOI
2 stops11h 38m
Delta
Wed 8/126:49 am
BOI
- TYS
2 stops12h 45m
Delta
Deal found 7/8![Delta logo]()
$417
This Southwest deal was found by Cheapflights users on 7/12. 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 8/43:00 pm
TYS
- BOI
2 stops9h 25m
Southwest
Sat 8/83:10 pm
BOI
- TYS
2 stops19h 15m
Southwest
Deal found 7/12![Southwest logo]()
$470
This United Airlines deal was found by Cheapflights users on 7/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:00 pm
TYS
- BOI
2 stops10h 42m
United Airlines
Wed 11/45:00 am
BOI
- TYS
2 stops10h 02m
United Airlines
Deal found 7/8![United Airlines logo]()
$419
This United Airlines deal was found by Cheapflights users on 7/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/58:48 am
TYS
- BOI
1 stop6h 47m
United Airlines
Wed 8/127:05 pm
BOI
- TYS
2 stops12h 52m
United Airlines
Deal found 7/9![United Airlines logo]()
$455
This United Airlines deal was found by Cheapflights users on 7/11. 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 8/74:56 pm
TYS
- BOI
1 stop6h 33m
United Airlines
Thu 8/1312:24 pm
BOI
- TYS
1 stop6h 29m
United Airlines
Deal found 7/11![United Airlines logo]()
$456
Last-minute flights from Knoxville to BoiseDiscover last-minute flight deals from Knoxville to Boise. Data last updated July 13, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Boise. Data last updated July 13, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 7/12. 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.
Mon 8/35:31 pm
TYS
- BOI
1 stop7h 50m
American Airlines
Mon 8/242:49 pm
BOI
- TYS
1 stop6h 29m
American Airlines
Deal found 7/12![American Airlines logo]()
$414
This American Airlines deal was found by Cheapflights users on 7/12. 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 8/45:31 pm
TYS
- BOI
1 stop7h 50m
American Airlines
Sat 8/88:01 am
BOI
- TYS
2 stops10h 57m
American Airlines
Deal found 7/12![American Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 7/8. 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.
Wed 8/55:40 am
TYS
- BOI
2 stops11h 38m
Delta
Wed 8/126:49 am
BOI
- TYS
2 stops12h 45m
Delta
Deal found 7/8![Delta logo]()
$417
This American Airlines deal was found by Cheapflights users on 7/10. 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.
Wed 8/56:03 am
TYS
- BOI
2 stops12h 46m
American Airlines
Wed 8/1212:12 pm
BOI
- TYS
1 stop9h 06m
American Airlines
Deal found 7/10![American Airlines logo]()
$424
This American Airlines deal was found by Cheapflights users on 7/9. 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.
Fri 8/76:03 am
TYS
- BOI
1 stop7h 13m
American Airlines
Thu 8/132:49 pm
BOI
- TYS
1 stop6h 29m
American Airlines
Deal found 7/9![American Airlines logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Sun 8/97:00 am
TYS
- BOI
1 stop7h 29m
Multiple Airlines
Sun 8/161:24 pm
BOI
- TYS
1 stop28h 00m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$370
This United Airlines deal was found by Cheapflights users on 7/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:00 am
TYS
- BOI
1 stop6h 28m
United Airlines
Sat 8/2912:24 pm
BOI
- TYS
1 stop6h 29m
United Airlines
Deal found 7/9![United Airlines logo]()
$377
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 July 13, 2026.
Search for one-way flight options from Knoxville to Boise. Find affordable one-way fares based on user searches. Data last updated July 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Thu 10/86:30 am
TYS
- BOI
1 stop6h 58m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:00 am
TYS
- BOI
2 stops33h 57m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 7/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:00 am
TYS
- BOI
1 stop7h 04m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:30 am
TYS
- BOI
1 stop6h 58m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$138
This American Airlines deal was found by Cheapflights users on 7/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/195:35 pm
TYS
- BOI
1 stop6h 52m
American Airlines
Deal found 7/8![American Airlines logo]()
$139
This Southwest deal was found by Cheapflights users on 7/8. 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.
Sat 9/196:50 am
TYS
- BOI
2 stops10h 40m
Southwest
Deal found 7/8![Southwest logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:30 am
TYS
- BOI
1 stop10h 27m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$157
This Southwest deal was found by Cheapflights users on 7/11. 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 9/244:50 pm
TYS
- BOI
2 stops8h 45m
Southwest
Deal found 7/11![Southwest logo]()
$161
This United Airlines deal was found by Cheapflights users on 7/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2610:42 am
TYS
- BOI
2 stops12h 57m
United Airlines
Deal found 7/9![United Airlines logo]()
$175
This United Airlines deal was found by Cheapflights users on 7/10. 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.
Fri 8/74:56 pm
TYS
- BOI
1 stop6h 33m
United Airlines
Deal found 7/10![United Airlines logo]()
$177
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 July 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $315 (American Airlines) |
One-way from | $124 (Kiwi.com) |
Popular in | December |
Cheapest in | April |
Average price | $507 |
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 2,558,603 searches. Data last updated July 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 - BOI
TYSBOI
Knoxville McGhee Tyson
Wed 8/26
7:00 am-3:31 pm
2 stops10h 31m
Boise Air Term. Gowen Fld
Sat 8/29
5:00 am-3:46 pm
1 stop8h 46m
$382
KnoxvilleBoise
TYS - BOI
TYSBOI
Knoxville McGhee Tyson
Wed 8/5
5:40 am-3:18 pm
2 stops11h 38m
Boise Air Term. Gowen Fld
Wed 8/12
6:49 am-9:34 pm
2 stops12h 45m
$417
KnoxvilleBoise
TYS - BOI
TYSBOI
Knoxville McGhee Tyson
Sat 10/31
2:00 pm-10:42 pm
2 stops10h 42m
Boise Air Term. Gowen Fld
Wed 11/4
5:00 am-5:02 pm
2 stops10h 02m
$419
KnoxvilleBoise
TYS - BOI
TYSBOI
Knoxville McGhee Tyson
Wed 8/5
8:48 am-1:35 pm
1 stop6h 47m
Boise Air Term. Gowen Fld
Wed 8/12
7:05 pm-9:57 am
2 stops12h 52m
$455
Quickest round-trip
KnoxvilleBoise
TYS - BOI
TYSBOI
Knoxville McGhee Tyson
Fri 8/7
4:56 pm-9:29 pm
1 stop6h 33m
Boise Air Term. Gowen Fld
Thu 8/13
12:24 pm-8:53 pm
1 stop6h 29m
$456
KnoxvilleBoise
TYS - BOI
TYSBOI
Knoxville McGhee Tyson
Tue 8/4
3:00 pm-10:25 pm
2 stops9h 25m
Boise Air Term. Gowen Fld
Sat 8/8
3:10 pm-12:25 pm
2 stops19h 15m
$470
Cheapest one-way
KnoxvilleBoise
TYS - BOI
TYSBOI
Knoxville McGhee Tyson
Sun 9/27
7:00 am-2:57 pm
2 stops33h 57m
$128
KnoxvilleBoise
TYS - BOI
TYSBOI
Knoxville McGhee Tyson
Sat 9/19
6:50 am-3:30 pm
2 stops10h 40m
$144
KnoxvilleBoise
TYS - BOI
TYSBOI
Knoxville McGhee Tyson
Sat 9/26
10:42 am-9:39 pm
2 stops12h 57m
$175
Quickest one-way
KnoxvilleBoise
TYS - BOI
TYSBOI
Knoxville McGhee Tyson
Fri 8/7
4:56 pm-9:29 pm
1 stop6h 33m
$177
Showing 1-10 of 14 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 July.
| 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
What is the cheapest month to book a flight from Knoxville to Boise?
Currently, April is the cheapest month in which you can book a flight from Knoxville to Boise (average of $384). Flying from Knoxville to Boise in December is currently the most expensive (average of $1,038). 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.
How much does it cost to fly round-trip 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 July 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
Food
7.2
Boarding
8.1
Entertainment
7.8
Overall
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Food
7.2
Boarding
8.1
Entertainment
7.8
Overall
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Food
7.2
Boarding
8.1
Entertainment
7.8
Overall
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Food
7.2
Boarding
8.1
Entertainment
7.8
Overall
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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 locationsMeridian
Nampa
Caldwell
Ontario
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Other flights to Boise
Explore flights to Boise departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 13, 2026.
Complete your trip
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Knoxville and Boise flights
Browse other Knoxville and Boise flight options. Last updated on July 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 July 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 2,558,603 searches. Data last updated July 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$350 | Average$558 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$358 | Average$566 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$378 | Average$598 | FlexibilityNo cancel fee | On-time71% |