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$259+ Cheap flights from Idaho to Knoxville (TYS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — TYS
Feb 4 — Feb 111
Tue 2/4
Tue 2/11
1 adult, Economy
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Cheap flight deals from Idaho to Knoxville

Discover tips and strategies to find the most affordable flight options for your journey from Idaho (USID) 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 January 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$259
(American Airlines)

Popular in

March

Cheapest in

August

Average price

$408
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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Highest demand for flights based on searches. 4% potential increase in price ($22 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in January 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 January 30, 2025.

This American Airlines deal was found by Cheapflights users on 1/30. 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.
Tue 2/251:23 pmBOI - TYS
1 stop8h 26mAmerican Airlines
Sat 3/15:28 amTYS - BOI
1 stop9h 02mAmerican Airlines
Deal found 1/30$259
This Delta deal was found by Cheapflights users on 1/29. 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.
Tue 4/222:05 pmGEG - TYS
1 stop5h 55mDelta
Sat 4/265:30 amTYS - GEG
2 stops10h 24mDelta
Deal found 1/29$264
This American Airlines deal was found by Cheapflights users on 1/30. 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.
Wed 5/211:22 pmGEG - TYS
1 stop7h 43mAmerican Airlines
Sun 5/255:22 amTYS - GEG
1 stop10h 05mAmerican Airlines
Deal found 1/30$394
This American Airlines deal was found by Cheapflights users on 1/30. 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.
Wed 2/2612:56 pmIDA - TYS
1 stop8h 53mAmerican Airlines
Wed 3/512:19 pmTYS - IDA
2 stops11h 52mAmerican Airlines
Deal found 1/30$395
This Delta deal was found by Cheapflights users on 1/30. 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.
Thu 9/411:30 pmBOI - TYS
1 stop7h 43mDelta
Sun 9/74:00 pmTYS - BOI
1 stop8h 33mDelta
Deal found 1/30$404
This United Airlines deal was found by Cheapflights users on 1/30. 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.
Tue 5/67:10 pmBOI - TYS
2 stops13h 05mUnited Airlines
Wed 5/147:00 amTYS - BOI
2 stops11h 21mUnited Airlines
Deal found 1/30$494
This United Airlines deal was found by Cheapflights users on 1/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/66:30 pmGEG - TYS
2 stops12h 30mUnited Airlines
Mon 3/104:00 pmTYS - GEG
1 stop7h 53mUnited Airlines
Deal found 1/29$538
This Alaska Airlines deal was found by Cheapflights users on 1/30. 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.
Thu 9/49:50 amBOI - TYS
2 stops11h 59mAlaska Airlines
Sun 9/74:02 pmTYS - BOI
2 stops19h 24mAlaska Airlines
Deal found 1/30$560
This United Airlines deal was found by Cheapflights users on 1/30. 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.
Tue 3/112:35 pmIDA - TYS
1 stop5h 42mUnited Airlines
Mon 3/172:00 pmTYS - IDA
2 stops21h 34mUnited Airlines
Deal found 1/30$563
This Alaska Airlines deal was found by Cheapflights users on 1/29. 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.
Thu 2/208:43 pmGEG - TYS
2 stops11h 48mAlaska Airlines
Mon 2/2410:58 amTYS - GEG
2 stops15h 46mAlaska Airlines
Deal found 1/29$600
This American Airlines deal was found by Cheapflights users on 1/30. 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.
Mon 3/33:47 pmJAC - TYS
1 stop6h 02mAmerican Airlines
Wed 3/58:00 amTYS - JAC
1 stop6h 15mAmerican Airlines
Deal found 1/30$669
This United Airlines deal was found by Cheapflights users on 1/30. 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.
Mon 3/34:20 pmJAC - TYS
2 stops18h 55mUnited Airlines
Wed 3/57:00 amTYS - JAC
2 stops10h 16mUnited Airlines
Deal found 1/30$867

Find flights from Idaho to Knoxville within your budget

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 January 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Tue 2/25

1:23 pm-11:49 pm

1 stop8h 26m

Knoxville McGhee Tyson

Sat 3/1

5:28 am-12:30 pm

1 stop9h 02m

$259

SpokaneKnoxville

GEG - TYS

GEGTYS

Spokane

Wed 5/21

1:22 pm-12:05 am

1 stop7h 43m

Knoxville McGhee Tyson

Sun 5/25

5:22 am-12:27 pm

1 stop10h 05m

$394

Idaho FallsKnoxville

IDA - TYS

IDATYS

Idaho Falls Fanning Field

Wed 2/26

12:56 pm-11:49 pm

1 stop8h 53m

Knoxville McGhee Tyson

Wed 3/5

12:19 pm-10:11 pm

2 stops11h 52m

$395

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Sat 2/15

1:39 pm-11:47 pm

1 stop8h 08m

Knoxville McGhee Tyson

Fri 2/21

6:36 am-2:05 pm

1 stop9h 29m

$439

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Tue 5/6

7:10 pm-10:15 am

2 stops13h 05m

Knoxville McGhee Tyson

Wed 5/14

7:00 am-4:21 pm

2 stops11h 21m

$494

Idaho FallsKnoxville

IDA - TYS

IDATYS

Idaho Falls Fanning Field

Tue 3/11

2:35 pm-10:17 pm

1 stop5h 42m

Knoxville McGhee Tyson

Mon 3/17

2:00 pm-9:34 am

2 stops21h 34m

$563

SpokaneKnoxville

GEG - TYS

GEGTYS

Spokane

Sat 3/1

1:10 pm-11:47 pm

1 stop7h 37m

Knoxville McGhee Tyson

Thu 3/6

6:36 am-1:15 pm

1 stop9h 39m

$589

SpokaneKnoxville

GEG - TYS

GEGTYS

Spokane

Fri 3/7

6:30 pm-10:00 am

2 stops12h 30m

Knoxville McGhee Tyson

Sun 3/9

7:00 am-12:43 pm

2 stops32h 43m

$648

JacksonKnoxville

JAC - TYS

JACTYS

Jackson Hole

Mon 3/3

3:47 pm-11:49 pm

1 stop6h 02m

Knoxville McGhee Tyson

Wed 3/5

8:00 am-12:15 pm

1 stop6h 15m

$669

SpokaneKnoxville

GEG - TYS

GEGTYS

Spokane

Wed 5/21

5:06 am-12:05 am

2 stops15h 59m

Knoxville McGhee Tyson

Sun 5/25

12:35 pm-10:59 pm

2 stops13h 24m

$685

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/30

Showing 1-10 of 20 results
1
2

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.

Travel insights for flights from Idaho to Knoxville

Get recent, data-driven insights about flights from Idaho to Knoxville including ideal travel times, pricing trends, and more.

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 January 30, 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 January 30, 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
9,686 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

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
9,686 reviews
Alaska Airlines
8.0
Very good
9,686 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

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
8,450 reviews
Alaska Airlines
8.0
Very good
9,686 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

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
8,906 reviews
Alaska Airlines
8.0
Very good
9,686 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

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
9,686 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

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 $310. Users have also found prices from $320 and $413 on United Airlines and American 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
Corbin
Cherokee
Maryville
Oak Ridge
Alcoa
Murphy

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Top 3 airlines flying from Idaho to Knoxville

Discover the top 3 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 January 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$276Average$561FlexibilityNo cancel feeOn-time71%
DeltaCheapest$288Average$433FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$310Average$684FlexibilityNo cancel feeOn-time69%
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