$190+ 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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — BOI
Jul 16 — Jul 231
Round-trip
1 adult, Economy
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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
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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 June 16, 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 June 16, 2026.
This Frontier deal was found by Cheapflights users on 6/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/138:19 pm
TYS
- BOI
1 stop18h 10m
Frontier
Tue 7/211:24 pm
BOI
- TYS
1 stop28h 00m
Frontier
Deal found 6/13![Frontier logo]()
$316
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Sat 8/296:03 am
TYS
- BOI
1 stop7h 13m
American Airlines
Tue 9/812:12 pm
BOI
- TYS
1 stop9h 06m
American Airlines
Deal found 6/12![American Airlines logo]()
$333
This Booking.com deal was found by Cheapflights users on 6/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/228:19 pm
TYS
- BOI
1 stop18h 10m
Frontier
Tue 7/281:24 pm
BOI
- TYS
1 stop28h 00m
Frontier
Deal found 6/13![Frontier logo]()
$348
This American Airlines deal was found by Cheapflights users on 6/15. 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.
Wed 8/126:03 am
TYS
- BOI
1 stop7h 13m
American Airlines
Wed 8/1912:12 pm
BOI
- TYS
1 stop9h 06m
American Airlines
Deal found 6/15![American Airlines logo]()
$355
This Southwest deal was found by Cheapflights users on 6/15. 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.
Wed 8/121:55 pm
TYS
- BOI
2 stops11h 15m
Southwest
Wed 8/197:05 am
BOI
- TYS
2 stops9h 50m
Southwest
Deal found 6/15![Southwest logo]()
$366
This American Airlines deal was found by Cheapflights users on 6/15. 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 8/246:03 am
TYS
- BOI
1 stop7h 13m
American Airlines
Tue 9/812:12 pm
BOI
- TYS
1 stop9h 06m
American Airlines
Deal found 6/15![American Airlines logo]()
$368
This Delta deal was found by Cheapflights users on 6/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:25 pm
TYS
- BOI
1 stop7h 34m
Delta
Mon 9/1411:35 pm
BOI
- TYS
1 stop8h 04m
Delta
Deal found 6/15![Delta logo]()
$381
This Delta deal was found by Cheapflights users on 6/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:45 am
TYS
- BOI
1 stop9h 06m
Delta
Wed 7/82:50 pm
BOI
- TYS
1 stop6h 11m
Delta
Deal found 6/15![Delta logo]()
$392
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Sat 8/294:50 pm
TYS
- BOI
1 stop6h 47m
United Airlines
Tue 9/15:00 am
BOI
- TYS
1 stop8h 54m
United Airlines
Deal found 6/11![United Airlines logo]()
$405
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 June 16, 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 June 16, 2026.
This Southwest deal was found by Cheapflights users on 6/15. 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.
Wed 8/121:55 pm
TYS
- BOI
2 stops11h 15m
Southwest
Wed 8/197:05 am
BOI
- TYS
2 stops9h 50m
Southwest
Deal found 6/15![Southwest logo]()
$366
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Sat 8/294:50 pm
TYS
- BOI
1 stop6h 47m
United Airlines
Tue 9/15:00 am
BOI
- TYS
1 stop8h 54m
United Airlines
Deal found 6/11![United Airlines logo]()
$405
This Delta deal was found by Cheapflights users on 6/13. 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.
Fri 7/246:40 am
TYS
- BOI
1 stop9h 04m
Delta
Tue 7/2811:10 pm
BOI
- TYS
1 stop8h 38m
Delta
Deal found 6/13![Delta logo]()
$445
This Southwest deal was found by Cheapflights users on 6/15. 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.
Thu 7/304:20 pm
TYS
- BOI
1 stop8h 40m
Southwest
Mon 8/38:45 am
BOI
- TYS
2 stops10h 30m
Southwest
Deal found 6/15![Southwest logo]()
$462
This Delta deal was found by Cheapflights users on 6/12. 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 7/73:54 pm
TYS
- BOI
1 stop8h 03m
Delta
Tue 8/42:53 pm
BOI
- TYS
1 stop6h 07m
Delta
Deal found 6/12![Delta logo]()
$507
This Southwest deal was found by Cheapflights users on 6/15. 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.
Thu 7/94:20 pm
TYS
- BOI
1 stop8h 40m
Southwest
Thu 7/166:00 am
BOI
- TYS
2 stops11h 10m
Southwest
Deal found 6/15![Southwest logo]()
$492
Last-minute flights from Knoxville to BoiseDiscover last-minute flight deals from Knoxville to Boise. Data last updated June 16, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Boise. Data last updated June 16, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/296:08 pm
TYS
- BOI
1 stop6h 27m
Delta
Wed 7/82:50 pm
BOI
- TYS
1 stop6h 11m
Delta
Deal found 6/15![Delta logo]()
$466
This Delta deal was found by Cheapflights users on 6/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:45 am
TYS
- BOI
1 stop9h 06m
Delta
Wed 7/82:50 pm
BOI
- TYS
1 stop6h 11m
Delta
Deal found 6/15![Delta logo]()
$392
This Delta deal was found by Cheapflights users on 6/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:45 am
TYS
- BOI
1 stop9h 06m
Delta
Fri 7/1011:10 pm
BOI
- TYS
1 stop8h 28m
Delta
Deal found 6/15![Delta logo]()
$473
This Booking.com deal was found by Cheapflights users on 6/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/68:19 pm
TYS
- BOI
1 stop18h 10m
Frontier
Sun 7/121:24 pm
BOI
- TYS
1 stop28h 00m
Frontier
Deal found 6/11![Frontier logo]()
$413
This Frontier deal was found by Cheapflights users on 6/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/138:19 pm
TYS
- BOI
1 stop18h 10m
Frontier
Tue 7/211:24 pm
BOI
- TYS
1 stop28h 00m
Frontier
Deal found 6/13![Frontier logo]()
$316
This Booking.com deal was found by Cheapflights users on 6/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/228:19 pm
TYS
- BOI
1 stop18h 10m
Frontier
Tue 7/281:24 pm
BOI
- TYS
1 stop28h 00m
Frontier
Deal found 6/13![Frontier logo]()
$348
This Southwest deal was found by Cheapflights users on 6/13. 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.
Wed 7/222:45 pm
TYS
- BOI
2 stops11h 45m
Southwest
Tue 7/286:00 am
BOI
- TYS
2 stops10h 20m
Southwest
Deal found 6/13![Southwest logo]()
$458
This Delta deal was found by Cheapflights users on 6/14. 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.
Fri 7/246:40 am
TYS
- BOI
1 stop9h 04m
Delta
Tue 7/2811:10 pm
BOI
- TYS
1 stop8h 38m
Delta
Deal found 6/14![Delta logo]()
$445
This Southwest deal was found by Cheapflights users on 6/11. 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.
Fri 7/244:20 pm
TYS
- BOI
2 stops10h 55m
Southwest
Fri 7/318:45 am
BOI
- TYS
2 stops10h 30m
Southwest
Deal found 6/11![Southwest logo]()
$467
This Southwest deal was found by Cheapflights users on 6/15. 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.
Thu 7/304:20 pm
TYS
- BOI
1 stop8h 40m
Southwest
Mon 8/310:25 am
BOI
- TYS
1 stop6h 45m
Southwest
Deal found 6/15![Southwest logo]()
$457
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 June 16, 2026.
Search for one-way flight options from Knoxville to Boise. Find affordable one-way fares based on user searches. Data last updated June 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/237:00 am
TYS
- BOI
1 stop7h 09m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$190
This United Airlines deal was found by Cheapflights users on 6/14. 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.
Sat 8/226:02 pm
TYS
- BOI
1 stop6h 51m
United Airlines
Deal found 6/14![United Airlines logo]()
$191
This Southwest deal was found by Cheapflights users on 6/14. 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 8/221:55 pm
TYS
- BOI
2 stops10h 05m
Southwest
Deal found 6/14![Southwest logo]()
$196
This Delta deal was found by Cheapflights users on 6/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:45 am
TYS
- BOI
1 stop9h 06m
Delta
Deal found 6/15![Delta logo]()
$215
This United Airlines deal was found by Cheapflights users on 6/15. 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.
Sat 7/48:48 am
TYS
- BOI
2 stops14h 52m
United Airlines
Deal found 6/15![United Airlines logo]()
$220
This Southwest deal was found by Cheapflights users on 6/14. 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.
Sun 8/235:55 pm
TYS
- BOI
2 stops8h 30m
Southwest
Deal found 6/14![Southwest logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Sun 7/127:00 am
TYS
- BOI
1 stop7h 29m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$237
This Southwest deal was found by Cheapflights users on 6/11. 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.
Tue 6/305:40 pm
TYS
- BOI
2 stops8h 45m
Southwest
Deal found 6/11![Southwest logo]()
$255
This Delta deal was found by Cheapflights users on 6/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/103:54 pm
TYS
- BOI
1 stop8h 03m
Delta
Deal found 6/15![Delta logo]()
$259
This United Airlines deal was found by Cheapflights users on 6/11. 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 6/306:00 am
TYS
- BOI
1 stop7h 27m
United Airlines
Deal found 6/11![United Airlines logo]()
$264
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 June 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $316 (Frontier) |
One-way from | $190 (Kiwi.com) |
Popular in | December |
Cheapest in | April |
Average price | $587 |
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 June 16, 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 8/12
1:55 pm-11:10 pm
2 stops11h 15m
Boise Air Term. Gowen Fld
Wed 8/19
7:05 am-6:55 pm
2 stops9h 50m
$366
KnoxvilleBoise
TYS - BOI
TYSBOI
Knoxville McGhee Tyson
Sat 8/29
4:50 pm-9:37 pm
1 stop6h 47m
Boise Air Term. Gowen Fld
Tue 9/1
5:00 am-3:54 pm
1 stop8h 54m
$405
KnoxvilleBoise
TYS - BOI
TYSBOI
Knoxville McGhee Tyson
Fri 7/24
6:40 am-1:44 pm
1 stop9h 04m
Boise Air Term. Gowen Fld
Tue 7/28
11:10 pm-9:48 am
1 stop8h 38m
$445
KnoxvilleBoise
TYS - BOI
TYSBOI
Knoxville McGhee Tyson
Thu 7/30
4:20 pm-11:00 pm
1 stop8h 40m
Boise Air Term. Gowen Fld
Mon 8/3
8:45 am-9:15 pm
2 stops10h 30m
$462
KnoxvilleBoise
TYS - BOI
TYSBOI
Knoxville McGhee Tyson
Thu 7/9
4:20 pm-11:00 pm
1 stop8h 40m
Boise Air Term. Gowen Fld
Thu 7/16
6:00 am-7:10 pm
2 stops11h 10m
$492
Quickest round-trip
KnoxvilleBoise
TYS - BOI
TYSBOI
Knoxville McGhee Tyson
Tue 7/7
3:54 pm-9:57 pm
1 stop8h 03m
Boise Air Term. Gowen Fld
Tue 8/4
2:53 pm-11:00 pm
1 stop6h 07m
$507
Cheapest one-way
Quickest one-way
KnoxvilleBoise
TYS - BOI
TYSBOI
Knoxville McGhee Tyson
Sat 8/22
6:02 pm-10:53 pm
1 stop6h 51m
$191
KnoxvilleBoise
TYS - BOI
TYSBOI
Knoxville McGhee Tyson
Sat 8/22
1:55 pm-10:00 pm
2 stops10h 05m
$196
KnoxvilleBoise
TYS - BOI
TYSBOI
Knoxville McGhee Tyson
Sun 8/23
5:55 pm-12:25 am
2 stops8h 30m
$234
KnoxvilleBoise
TYS - BOI
TYSBOI
Knoxville McGhee Tyson
Sun 7/12
7:00 am-12:29 pm
1 stop7h 29m
$237
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 June.
| 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 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 $371). Flying from Knoxville to Boise in December is currently the most expensive (average of $978). 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 June 16, 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
7.9
Crew
8.5
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Overall
7.9
Crew
8.5
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Overall
7.9
Crew
8.5
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Overall
7.9
Crew
8.5
Comfort
7.8
Boarding
8.1
Entertainment
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
McCall
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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 June 16, 2026.
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Find flights from Knoxville to Boise, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Knoxville and Boise flights
Browse other Knoxville and Boise flight options. Last updated on June 16, 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 June 16, 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 June 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$288 | Average$502 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$288 | Average$566 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$350 | Average$563 | FlexibilityNo cancel fee | On-time69% |