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Knoxville

$207+ 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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — TYS
Apr 5 — Apr 121
Sa 4/5
Sa 4/12
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 März 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$239
(United Airlines)

One-way from

$207
(Mytrip)

Popular in

March

Cheapest in

February

Average price

$668
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Knoxville McGhee Tyson flight deals.
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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Knoxville McGhee Tyson flights.
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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, 4% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in March 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 März 31, 2025.

This United Airlines deal was found by Cheapflights users on 3/30. 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.
Sa 5/36:00 amGEG - TYS
2 stops13h 24mUnited Airlines
Sa 5/101:57 pmTYS - GEG
2 stops12h 41mUnited Airlines
Deal found 3/30$239
This American Airlines deal was found by Cheapflights users on 3/30. 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.
Di 8/1912:22 pmGEG - TYS
1 stop9h 00mAmerican Airlines
So 8/245:18 amTYS - GEG
2 stops10h 17mAmerican Airlines
Deal found 3/30$264
This Delta deal was found by Cheapflights users on 3/30. 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.
Do 8/2110:59 pmGEG - TYS
1 stop7h 14mDelta
So 8/314:00 pmTYS - GEG
2 stops11h 19mDelta
Deal found 3/30$274
This Delta deal was found by Cheapflights users on 3/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Di 4/152:15 pmBOI - TYS
1 stop7h 33mDelta
Sa 4/195:30 amTYS - BOI
2 stops11h 05mDelta
Deal found 3/31$295
This American Airlines deal was found by Cheapflights users on 3/30. 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.
Mi 4/237:43 amIDA - TYS
2 stops13h 46mAmerican Airlines
Mi 4/3011:03 amTYS - IDA
2 stops13h 07mAmerican Airlines
Deal found 3/30$299
This United Airlines deal was found by Cheapflights users on 3/31. 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.
Di 4/152:38 pmBOI - TYS
1 stop5h 52mUnited Airlines
Sa 4/195:25 pmTYS - BOI
1 stop7h 24mUnited Airlines
Deal found 3/31$339
This American Airlines deal was found by Cheapflights users on 3/30. 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.
Fr 5/21:23 pmBOI - TYS
1 stop8h 32mAmerican Airlines
Mo 5/55:20 amTYS - BOI
1 stop9h 25mAmerican Airlines
Deal found 3/30$344
This Alaska Airlines deal was found by Cheapflights users on 3/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fr 5/21:23 pmBOI - TYS
1 stop8h 32mAlaska Airlines
Mo 5/57:50 pmTYS - BOI
2 stops19h 57mAlaska Airlines
Deal found 3/30$384
This Delta deal was found by Cheapflights users on 3/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Di 4/226:55 pmIDA - TYS
2 stops12h 26mDelta
Mi 4/3012:55 pmTYS - IDA
2 stops12h 01mDelta
Deal found 3/31$429
This Mytrip deal was found by Cheapflights users on 3/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fr 4/181:52 pmBOI - TYS
3 stops30h 29mMultiple Airlines
So 4/203:52 pmTYS - BOI
2 stops23h 05mMultiple Airlines
Deal found 3/30$437
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Mi 4/236:50 amIDA - TYS
1 stop5h 54mUnited Airlines
Do 5/14:14 pmTYS - IDA
1 stop6h 50mUnited Airlines
Deal found 3/30$469
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Mi 7/237:00 amSUN - TYS
1 stop6h 04mUnited Airlines
Di 7/294:35 pmTYS - SUN
1 stop6h 27mUnited Airlines
Deal found 3/30$515

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 März 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

SpokaneKnoxville

GEG - TYS

GEGTYS

Spokane

Sa 5/3

6:00 am-10:24 pm

2 stops13h 24m

Knoxville McGhee Tyson

Sa 5/10

1:57 pm-11:38 pm

2 stops12h 41m

$239

SpokaneKnoxville

GEG - TYS

GEGTYS

Spokane

Di 8/19

12:22 pm-12:22 am

1 stop9h 00m

Knoxville McGhee Tyson

So 8/24

5:18 am-12:35 pm

2 stops10h 17m

$264

SpokaneKnoxville

GEG - TYS

GEGTYS

Spokane

Do 8/21

10:59 pm-9:13 am

1 stop7h 14m

Knoxville McGhee Tyson

So 8/31

4:00 pm-12:19 am

2 stops11h 19m

$274

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Di 4/15

2:15 pm-11:48 pm

1 stop7h 33m

Knoxville McGhee Tyson

Sa 4/19

5:30 am-2:35 pm

2 stops11h 05m

$295

Idaho FallsKnoxville

IDA - TYS

IDATYS

Idaho Falls Fanning Field

Mi 4/23

7:43 am-11:29 pm

2 stops13h 46m

Knoxville McGhee Tyson

Mi 4/30

11:03 am-10:10 pm

2 stops13h 07m

$299

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Di 4/15

2:38 pm-10:30 pm

1 stop5h 52m

Knoxville McGhee Tyson

Sa 4/19

5:25 pm-10:49 pm

1 stop7h 24m

$339

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Fr 5/2

1:23 pm-11:55 pm

1 stop8h 32m

Knoxville McGhee Tyson

Mo 5/5

5:20 am-12:45 pm

1 stop9h 25m

$344

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Fr 5/2

1:23 pm-11:55 pm

1 stop8h 32m

Knoxville McGhee Tyson

Mo 5/5

7:50 pm-1:47 pm

2 stops19h 57m

$384

Idaho FallsKnoxville

IDA - TYS

IDATYS

Idaho Falls Fanning Field

Di 4/22

6:55 pm-9:21 am

2 stops12h 26m

Knoxville McGhee Tyson

Mi 4/30

12:55 pm-10:56 pm

2 stops12h 01m

$429

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Fr 4/18

1:52 pm-10:21 pm

3 stops30h 29m

Knoxville McGhee Tyson

So 4/20

3:52 pm-12:57 pm

2 stops23h 05m

$437

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 25 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 $296). 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 März 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.

Rainfall in Knoxville by month

Plan your trip to Knoxville by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Knoxville ranges from 2.7 - 4.8 inches per month. March is typically the wettest month, when rainfall can reach 4.8 in. October is typically the driest time to visit Knoxville when rainfall is around 2.7 in.

Temperature in Knoxville by month

Plan your trip to Knoxville by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Knoxville, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 März 31, 2025.
To help decide which airline to fly from Idaho to Knoxville, see what other customers have to say about Alaska Airlines, Delta and United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.1

Food

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,818 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.1

Food

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,899 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.1

Food

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,614 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.1

Food

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.1

Food

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 Delta. According to our data, you can fly for as low as $246. Users have also found prices from $249 and $275 on American Airlines 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 $296). 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 Idaho?

Book flights to Idaho if you plan to visit one of these locations
Morristown
Cherokee
Corbin
Maryville
Oak Ridge
Alcoa
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 März 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$258Average$541FlexibilityNo cancel feeOn-time71%
DeltaCheapest$267Average$393FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$298Average$633FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$379Average$779FlexibilityNo cancel feeOn-time75%
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