$144+ Cheap flights from Boise to Knoxville (BOI - TYS)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — TYS
May 24 — May 311
Round-trip
1 adult, Economy
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Find cheap flights from Boise to Knoxville with Cheapflights
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Cheapest flights from Boise to KnoxvilleExplore the most affordable flight options available from Boise to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2026.
Explore the most affordable flight options available from Boise to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2026.
This United Airlines deal was found by Cheapflights users on 4/23. 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 8/266:30 am
BOI
- TYS
1 stop7h 24m
United Airlines
Wed 9/24:56 pm
TYS
- BOI
1 stop6h 29m
United Airlines
Deal found 4/23![United Airlines logo]()
$277
This Delta deal was found by Cheapflights users on 4/23. 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 8/265:40 am
BOI
- TYS
1 stop8h 54m
Delta
Wed 9/25:30 am
TYS
- BOI
2 stops10h 33m
Delta
Deal found 4/23![Delta logo]()
$282
This Southwest deal was found by Cheapflights users on 4/23. 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 8/266:00 am
BOI
- TYS
2 stops10h 55m
Southwest
Wed 9/21:55 pm
TYS
- BOI
2 stops11h 15m
Southwest
Deal found 4/23![Southwest logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 8/41:04 pm
BOI
- TYS
1 stop28h 33m
Frontier
Mon 8/108:32 pm
TYS
- BOI
1 stop17h 37m
Frontier
Deal found 4/20![Frontier logo]()
$345
This Delta deal was found by Cheapflights users on 4/21. 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 6/811:45 pm
BOI
- TYS
1 stop7h 53m
Delta
Tue 6/166:37 am
TYS
- BOI
2 stops12h 51m
Delta
Deal found 4/21![Delta logo]()
$397
This Kiwi.com deal was found by Cheapflights users on 4/19. 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 6/91:25 pm
BOI
- TYS
1 stop28h 12m
Multiple Airlines
Sun 6/147:00 am
TYS
- BOI
1 stop7h 30m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$407
This Delta deal was found by Cheapflights users on 4/23. 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 5/1711:39 pm
BOI
- TYS
1 stop7h 55m
Delta
Wed 5/205:59 pm
TYS
- BOI
1 stop6h 29m
Delta
Deal found 4/23![Delta logo]()
$423
This Southwest deal was found by Cheapflights users on 4/22. 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 10/208:10 am
BOI
- TYS
1 stop5h 15m
Southwest
Tue 10/274:05 pm
TYS
- BOI
1 stop8h 05m
Southwest
Deal found 4/22![Southwest logo]()
$429
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 8/41:04 pm
BOI
- TYS
1 stop28h 33m
Multiple Airlines
Mon 8/106:30 am
TYS
- BOI
2 stops31h 39m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$441
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 6/251:25 pm
BOI
- TYS
2 stops20h 34m
Multiple Airlines
Mon 6/298:32 pm
TYS
- BOI
1 stop17h 58m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$447
Best flights from Boise to KnoxvilleDiscover carefully curated flight deals from Boise to Knoxville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 24, 2026.
Discover carefully curated flight deals from Boise to Knoxville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 24, 2026.
This United Airlines deal was found by Cheapflights users on 4/23. 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 8/266:30 am
BOI
- TYS
1 stop7h 24m
United Airlines
Wed 9/24:56 pm
TYS
- BOI
1 stop6h 29m
United Airlines
Deal found 4/23![United Airlines logo]()
$277
This Southwest deal was found by Cheapflights users on 4/22. 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 10/208:10 am
BOI
- TYS
1 stop5h 15m
Southwest
Tue 10/274:05 pm
TYS
- BOI
2 stops9h 50m
Southwest
Deal found 4/22![Southwest logo]()
$434
This Delta deal was found by Cheapflights users on 4/23. 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 9/1711:30 pm
BOI
- TYS
1 stop7h 41m
Delta
Fri 9/256:45 am
TYS
- BOI
1 stop9h 18m
Delta
Deal found 4/23![Delta logo]()
$465
This Southwest deal was found by Cheapflights users on 4/19. 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 6/96:00 am
BOI
- TYS
2 stops10h 20m
Southwest
Tue 6/165:40 pm
TYS
- BOI
2 stops8h 45m
Southwest
Deal found 4/19![Southwest logo]()
$453
This Delta deal was found by Cheapflights users on 4/21. 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 6/811:45 pm
BOI
- TYS
1 stop7h 53m
Delta
Tue 6/166:37 am
TYS
- BOI
1 stop6h 21m
Delta
Deal found 4/21![Delta logo]()
$465
This Southwest deal was found by Cheapflights users on 4/21. 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 6/268:45 am
BOI
- TYS
2 stops10h 25m
Southwest
Sat 7/47:00 am
TYS
- BOI
2 stops9h 45m
Southwest
Deal found 4/21![Southwest logo]()
$453
This Southwest deal was found by Cheapflights users on 4/20. 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 8/47:05 am
BOI
- TYS
2 stops9h 50m
Southwest
Mon 8/107:10 am
TYS
- BOI
2 stops11h 05m
Southwest
Deal found 4/20![Southwest logo]()
$459
This Southwest deal was found by Cheapflights users on 4/23. 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 10/95:55 am
BOI
- TYS
2 stops10h 45m
Southwest
Mon 10/125:25 pm
TYS
- BOI
2 stops9h 40m
Southwest
Deal found 4/23![Southwest logo]()
$477
Last-minute flights from Boise to KnoxvilleDiscover last-minute flight deals from Boise to Knoxville. Data last updated April 24, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Knoxville. Data last updated April 24, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 4/20. 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 5/111:35 pm
BOI
- TYS
1 stop7h 47m
Delta
Sat 5/95:40 am
TYS
- BOI
1 stop9h 03m
Delta
Deal found 4/20![Delta logo]()
$604
This American Airlines deal was found by Cheapflights users on 4/21. 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 5/16:00 am
BOI
- TYS
1 stop7h 19m
American Airlines
Sat 5/91:20 pm
TYS
- BOI
2 stops12h 21m
American Airlines
Deal found 4/21![American Airlines logo]()
$609
This United Airlines deal was found by Cheapflights users on 4/20. 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 5/56:30 am
BOI
- TYS
1 stop6h 37m
United Airlines
Sat 5/94:20 pm
TYS
- BOI
1 stop6h 57m
United Airlines
Deal found 4/20![United Airlines logo]()
$545
This Southwest deal was found by Cheapflights users on 4/20. 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 5/56:40 am
BOI
- TYS
2 stops11h 00m
Southwest
Sat 5/912:20 pm
TYS
- BOI
2 stops11h 45m
Southwest
Deal found 4/20![Southwest logo]()
$555
This Delta deal was found by Cheapflights users on 4/22. 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 5/711:39 pm
BOI
- TYS
1 stop7h 55m
Delta
Mon 5/113:30 pm
TYS
- BOI
2 stops10h 34m
Delta
Deal found 4/22![Delta logo]()
$593
This American Airlines deal was found by Cheapflights users on 4/23. 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 5/91:53 pm
BOI
- TYS
1 stop8h 03m
American Airlines
Wed 5/134:09 pm
TYS
- BOI
1 stop8h 45m
American Airlines
Deal found 4/23![American Airlines logo]()
$455
This Delta deal was found by Cheapflights users on 4/23. 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 5/98:56 am
BOI
- TYS
2 stops12h 01m
Delta
Wed 5/135:40 am
TYS
- BOI
2 stops9h 38m
Delta
Deal found 4/23![Delta logo]()
$492
This Delta deal was found by Cheapflights users on 4/23. 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 5/1711:39 pm
BOI
- TYS
1 stop7h 55m
Delta
Wed 5/205:59 pm
TYS
- BOI
1 stop6h 29m
Delta
Deal found 4/23![Delta logo]()
$423
This Southwest deal was found by Cheapflights users on 4/23. 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 5/179:10 pm
BOI
- TYS
2 stops12h 30m
Southwest
Wed 5/202:55 pm
TYS
- BOI
2 stops11h 30m
Southwest
Deal found 4/23![Southwest logo]()
$563
One-way flights from Boise to KnoxvilleSearch for one-way flight options from Boise to Knoxville. Find affordable one-way fares based on user searches. Data last updated April 24, 2026.
Search for one-way flight options from Boise to Knoxville. Find affordable one-way fares based on user searches. Data last updated April 24, 2026.
This Southwest deal was found by Cheapflights users on 4/19. 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 8/197:05 am
BOI
- TYS
2 stops9h 50m
Southwest
Deal found 4/19![Southwest logo]()
$144
This Delta deal was found by Cheapflights users on 4/21. 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 6/811:45 pm
BOI
- TYS
1 stop7h 53m
Delta
Deal found 4/21![Delta logo]()
$178
This American Airlines deal was found by Cheapflights users on 4/19. 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 8/1912:17 pm
BOI
- TYS
1 stop9h 01m
American Airlines
Deal found 4/19![American Airlines logo]()
$215
This United Airlines deal was found by Cheapflights users on 4/21. 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 6/87:05 pm
BOI
- TYS
2 stops13h 00m
United Airlines
Deal found 4/21![United Airlines logo]()
$233
This Southwest deal was found by Cheapflights users on 4/21. 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 6/268:45 am
BOI
- TYS
2 stops10h 25m
Southwest
Deal found 4/21![Southwest logo]()
$234
This United Airlines deal was found by Cheapflights users on 4/22. 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 6/276:30 am
BOI
- TYS
1 stop7h 23m
United Airlines
Deal found 4/22![United Airlines logo]()
$286
This Delta deal was found by Cheapflights users on 4/23. 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 6/272:04 pm
BOI
- TYS
1 stop7h 58m
Delta
Deal found 4/23![Delta logo]()
$288
This American Airlines deal was found by Cheapflights users on 4/19. 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.
Sun 5/36:00 am
BOI
- TYS
1 stop7h 18m
American Airlines
Deal found 4/19![American Airlines logo]()
$289
Find flight deals from Boise to Knoxville
Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Knoxville (TYS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $277 (United Airlines) |
One-way from | $144 (Southwest) |
Popular in | March |
Cheapest in | September |
Average price | $553 |
Cheapflights Fare Finder
Customize your flight search to find flights from Boise to Knoxville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 24, 2026.
Use the filters below to find and compare flights from Boise to Knoxville that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
BoiseKnoxville
BOI - TYS
BOITYS
Boise Air Term. Gowen Fld
Wed 8/26
6:30 am-3:54 pm
1 stop7h 24m
Knoxville McGhee Tyson
Wed 9/2
4:56 pm-9:25 pm
1 stop6h 29m
$277
BoiseKnoxville
BOI - TYS
BOITYS
Boise Air Term. Gowen Fld
Tue 10/20
8:10 am-3:25 pm
1 stop5h 15m
Knoxville McGhee Tyson
Tue 10/27
4:05 pm-11:55 pm
2 stops9h 50m
$434
BoiseKnoxville
BOI - TYS
BOITYS
Boise Air Term. Gowen Fld
Tue 6/9
6:00 am-6:20 pm
2 stops10h 20m
Knoxville McGhee Tyson
Tue 6/16
5:40 pm-12:25 am
2 stops8h 45m
$453
BoiseKnoxville
BOI - TYS
BOITYS
Boise Air Term. Gowen Fld
Fri 6/26
8:45 am-9:10 pm
2 stops10h 25m
Knoxville McGhee Tyson
Sat 7/4
7:00 am-2:45 pm
2 stops9h 45m
$453
BoiseKnoxville
BOI - TYS
BOITYS
Boise Air Term. Gowen Fld
Tue 8/4
7:05 am-6:55 pm
2 stops9h 50m
Knoxville McGhee Tyson
Mon 8/10
7:10 am-4:15 pm
2 stops11h 05m
$459
BoiseKnoxville
BOI - TYS
BOITYS
Boise Air Term. Gowen Fld
Thu 9/17
11:30 pm-9:11 am
1 stop7h 41m
Knoxville McGhee Tyson
Fri 9/25
6:45 am-2:03 pm
1 stop9h 18m
$465
BoiseKnoxville
BOI - TYS
BOITYS
Boise Air Term. Gowen Fld
Mon 6/8
11:45 pm-9:38 am
1 stop7h 53m
Knoxville McGhee Tyson
Tue 6/16
6:37 am-10:58 am
1 stop6h 21m
$465
BoiseKnoxville
BOI - TYS
BOITYS
Boise Air Term. Gowen Fld
Fri 10/9
5:55 am-6:40 pm
2 stops10h 45m
Knoxville McGhee Tyson
Mon 10/12
5:25 pm-1:05 am
2 stops9h 40m
$477
Cheapest one-way
BoiseKnoxville
BOI - TYS
BOITYS
Boise Air Term. Gowen Fld
Wed 8/19
7:05 am-6:55 pm
2 stops9h 50m
$144
BoiseKnoxville
BOI - TYS
BOITYS
Boise Air Term. Gowen Fld
Mon 6/8
11:45 pm-9:38 am
1 stop7h 53m
$178
Showing 1-10 of 15 resultsSorted by cheapest first
Compare providers for flights from Boise to Knoxville
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boise to Knoxville in April.
| 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 Boise-Knoxville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-Knoxville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boise-Knoxville flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boise-Knoxville flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boise-Knoxville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Boise to Knoxville
Have a flexible travel schedule? Discover the best time to fly to Knoxville from Boise with our price prediction graph.
BOI-TYS
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Boise to Knoxville
What is the cheapest month to book a flight from Boise to Knoxville?
Currently, September is the cheapest month in which you can book a flight from Boise to Knoxville (average of $326). Flying from Boise to Knoxville in March is currently the most expensive (average of $634). 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 Boise to Knoxville?
Reviews of airlines servicing Knoxville
Get insights into the airlines that provide service to Knoxville. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Knoxville. Reviews last updated April 24, 2026.
See what other customers who have flown with Alaska Airlines,Delta, andUnited Airlines from Boise to Knoxville have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Overall
7.9
Crew
8.5
Boarding
8.1
Entertainment
7.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Overall
7.9
Crew
8.5
Boarding
8.1
Entertainment
7.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Overall
7.9
Crew
8.5
Boarding
8.1
Entertainment
7.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Overall
7.9
Crew
8.5
Boarding
8.1
Entertainment
7.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Overall
7.9
Crew
8.5
Boarding
8.1
Entertainment
7.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Related info for your journey
Find useful and relevant information for your journey from Boise to Knoxville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Knoxville?
Book flights to Knoxville if you plan to visit one of these locationsCherokee
Crossville
Morristown
Bryson City
Alcoa
Murphy
Oak Ridge
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Explore flights to Knoxville departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 24, 2026.
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Top 4 airlines flying from Boise to Knoxville
Discover the top 4 airlines that operate flights from Boise to Knoxville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$288 | Average$438 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$358 | Average$548 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$374 | Average$502 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$488 | Average$647 | FlexibilityNo cancel fee | On-time75% |