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Knoxville

$188+ Cheap flights from Idaho to Knoxville (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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — TYS
ago. 5 — ago. 121
mar. 8/5
mar. 8/12
1 adult, Economy
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Cheap flight deals from Idaho to Knoxville

Keep the following information in mind while searching for Idaho to Knoxville flight deals. Data was last updated julio 31, 2025.

Round-trip from

$289
(American Airlines)

One-way from

$188
(Mytrip)

Popular in

March

Cheapest in

April

Average price

$549
From Idaho to Knoxville McGhee Tyson
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One-way flight from Idaho to Knoxville McGhee Tyson
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High demand for flights, 7% potential price rise
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Cheapest flight prices on average. 5% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Idaho to Knoxville

Cheapest flights from Idaho to Knoxville
Explore the most affordable flight options available from Idaho to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 31, 2025.

This American Airlines deal was found by Cheapflights users on 7/29. 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.
jue. 12/111:34 pmBOI - TYS
1 stop8h 47mAmerican Airlines
sáb. 12/134:32 pmTYS - BOI
1 stop6h 52mAmerican Airlines
Deal found 7/29$289
This American Airlines deal was found by Cheapflights users on 7/30. 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.
mié. 9/1712:35 pmGEG - TYS
1 stop8h 46mAmerican Airlines
vie. 9/262:07 pmTYS - GEG
1 stop7h 32mAmerican Airlines
Deal found 7/30$289
This American Airlines deal was found by Cheapflights users on 7/30. 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.
mar. 10/2112:55 pmIDA - TYS
1 stop6h 08mAmerican Airlines
sáb. 10/258:09 amTYS - IDA
1 stop6h 15mAmerican Airlines
Deal found 7/30$289
This Delta deal was found by Cheapflights users on 7/30. 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.
jue. 8/212:21 pmGEG - TYS
1 stop6h 34mDelta
dom. 8/315:45 amTYS - GEG
2 stops9h 56mDelta
Deal found 7/30$294
This Delta deal was found by Cheapflights users on 7/29. 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.
mar. 8/121:30 pmBOI - TYS
1 stop8h 18mDelta
sáb. 8/166:36 amTYS - BOI
1 stop9h 23mDelta
Deal found 7/29$369
This United Airlines deal was found by Cheapflights users on 7/30. 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.
mié. 8/275:15 amGEG - TYS
2 stops12h 41mUnited Airlines
mié. 9/37:00 amTYS - GEG
2 stops8h 36mUnited Airlines
Deal found 7/30$383
This Delta deal was found by Cheapflights users on 7/30. 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.
mar. 10/216:53 pmIDA - TYS
2 stops12h 07mDelta
sáb. 10/2512:47 pmTYS - IDA
2 stops11h 43mDelta
Deal found 7/30$384
This Mytrip deal was found by Cheapflights users on 7/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/99:08 pmGEG - TYS
1 stop13h 15mAllegiant Air
dom. 10/126:30 amTYS - GEG
1 stop16h 48mAllegiant Air
Deal found 7/29$461
This Delta deal was found by Cheapflights users on 7/28. 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.
sáb. 10/46:15 amTWF - TYS
2 stops14h 20mDelta
mar. 10/73:48 pmTYS - TWF
2 stops24h 49mDelta
Deal found 7/28$465
This Mytrip deal was found by Cheapflights users on 7/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/286:06 pmBOI - TYS
3 stops24h 35mMultiple Airlines
jue. 9/412:08 pmTYS - BOI
3 stops34h 13mMultiple Airlines
Deal found 7/29$469
This United Airlines deal was found by Cheapflights users on 7/31. 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.
lun. 9/155:56 pmIDA - TYS
2 stops26h 49mUnited Airlines
lun. 9/225:45 amTYS - IDA
2 stops13h 30mUnited Airlines
Deal found 7/31$498
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/239:58 amBOI - TYS
2 stops11h 53mAlaska Airlines
dom. 10/266:00 amTYS - BOI
1 stop8h 43mAlaska Airlines
Deal found 7/29$566

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho 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 julio 31, 2025.
Use the filters below to find and compare flights from Idaho to Knoxville that are best for you.

Fly from

Idaho

Fly to

Knoxville

Route

Depart

Return

Price

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

jue. 8/28

1:36 pm-11:53 pm

1 stop8h 17m

Knoxville McGhee Tyson

jue. 9/4

5:30 am-12:48 pm

1 stop9h 18m

$289

SpokaneKnoxville

GEG - TYS

GEGTYS

Spokane

mié. 9/17

12:35 pm-12:21 am

1 stop8h 46m

Knoxville McGhee Tyson

vie. 9/26

2:07 pm-6:39 pm

1 stop7h 32m

$289

Idaho FallsKnoxville

IDA - TYS

IDATYS

Idaho Falls Fanning Field

mar. 10/21

12:55 pm-9:03 pm

1 stop6h 08m

Knoxville McGhee Tyson

sáb. 10/25

8:09 am-12:24 pm

1 stop6h 15m

$289

SpokaneKnoxville

GEG - TYS

GEGTYS

Spokane

jue. 8/21

2:21 pm-11:55 pm

1 stop6h 34m

Knoxville McGhee Tyson

dom. 8/31

5:45 am-12:41 pm

2 stops9h 56m

$294

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

mar. 8/12

10:45 am-11:51 pm

2 stops11h 06m

Knoxville McGhee Tyson

sáb. 8/16

6:36 am-1:59 pm

1 stop9h 23m

$344

SpokaneKnoxville

GEG - TYS

GEGTYS

Spokane

mié. 8/27

5:15 am-8:56 pm

2 stops12h 41m

Knoxville McGhee Tyson

mié. 9/3

7:00 am-12:36 pm

2 stops8h 36m

$383

Idaho FallsKnoxville

IDA - TYS

IDATYS

Idaho Falls Fanning Field

mar. 10/21

6:53 pm-9:00 am

2 stops12h 07m

Knoxville McGhee Tyson

sáb. 10/25

12:47 pm-10:30 pm

2 stops11h 43m

$384

SpokaneKnoxville

GEG - TYS

GEGTYS

Spokane

jue. 10/9

9:08 pm-1:23 pm

1 stop13h 15m

Knoxville McGhee Tyson

dom. 10/12

6:30 am-8:18 pm

1 stop16h 48m

$461

Twin FallsKnoxville

TWF - TYS

TWFTYS

Twin Falls Joslin

sáb. 10/4

6:15 am-10:35 pm

2 stops14h 20m

Knoxville McGhee Tyson

mar. 10/7

3:48 pm-2:37 pm

2 stops24h 49m

$465

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

jue. 8/28

6:06 pm-8:41 pm

3 stops24h 35m

Knoxville McGhee Tyson

jue. 9/4

12:08 pm-8:21 pm

3 stops34h 13m

$469

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 28 results
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Best time to book a flight from Idaho to Knoxville

Have a flexible travel schedule? Discover the best time to fly to Knoxville from Idaho with our price prediction graph.
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 Idaho to Knoxville

What is the cheapest month to book a flight from Idaho to Knoxville?

Currently, January is the cheapest month in which you can book a flight from Idaho to Knoxville (average of $294). Flying from Idaho to Knoxville in March is currently the most expensive (average of $376). 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.

What is the cheapest time of day to fly from ID to TYS?

Find hourly flight availability from Idaho to Knoxville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 31, 2025.

When flying from Idaho to Knoxville, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 julio 31, 2025.
Read through reviews of airlines operating flights from Idaho to Knoxville, such as Alaska Airlines, Delta, and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Allegiant Air
7.2
Good
702 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from Idaho to Knoxville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Knoxville from Idaho?

    For a flight from Idaho to Knoxville, you will be flying into McGhee Tyson. Knoxville McGhee Tyson (TYS) is just 11.3 mi from the center of the city.

  • What are the cheapest airlines to fly from Idaho to Knoxville one-way?

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $229. Users have also found prices from $251 and $274 on Delta and United Airlines, respectively.

  • What are the most popular routes from Idaho to Knoxville?

    While some choose either Boise Air Term. Gowen Fld - Knoxville McGhee Tyson or Idaho Falls Fanning Field - Knoxville McGhee Tyson, Spokane - Knoxville McGhee Tyson is the most popular route from Idaho to Knoxville.

  • Can I find deals for flights from Idaho to Knoxville that include hotel bookings?

    Yes. In addition to deals on Idaho to Knoxville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho to Knoxville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho to Knoxville.

  • Can I find deals for business class flights from Idaho to Knoxville?

    Yes. Cheapflights offers flight deals from Idaho to Knoxville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Idaho to Knoxville?

    Currently, January is the cheapest month in which you can book a flight from Idaho to Knoxville (average of $294). Flying from Idaho to Knoxville in March is currently the most expensive (average of $376). 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.

See more FAQs

Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Morristown
Cherokee
Corbin
Alcoa
Oak Ridge
Murphy

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Alternative routes for Idaho to Knoxville

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Idaho to Knoxville

Discover the top 4 airlines that operate flights from Idaho 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 julio 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$258Average$466FlexibilityNo cancel feeOn-time71%
DeltaCheapest$288Average$411FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$298Average$595FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$379Average$625FlexibilityNo cancel feeOn-time75%

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