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Knoxville

$150+ 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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — TYS
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$259
(Delta)

One-way from

$150
(Trip.com)

Popular in

March

Cheapest in

February

Average price

$538
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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Highest demand for flights based on searches. 1% potential increase in price ($9 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This Delta deal was found by Cheapflights users on 4/29. 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.
Thu 8/2112:40 pmGEG - TYS
1 stop8h 07mDelta
Sun 8/316:45 amTYS - GEG
1 stop9h 32mDelta
Deal found 4/29$259
This Delta deal was found by Cheapflights users on 4/29. 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.
Thu 6/2611:40 pmBOI - TYS
1 stop8h 13mDelta
Tue 7/17:46 amTYS - BOI
2 stops11h 27mDelta
Deal found 4/29$289
This American Airlines deal was found by Cheapflights users on 4/30. 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 10/112:20 pmGEG - TYS
1 stop8h 29mAmerican Airlines
Sat 10/44:35 pmTYS - GEG
1 stop6h 58mAmerican Airlines
Deal found 4/30$339
This United Airlines deal was found by Cheapflights users on 4/30. 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 8/1111:37 amGEG - TYS
1 stop7h 58mUnited Airlines
Mon 8/257:00 amTYS - GEG
1 stop7h 27mUnited Airlines
Deal found 4/30$378
This American Airlines deal was found by Cheapflights users on 4/30. 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 5/281:38 pmBOI - TYS
1 stop8h 20mAmerican Airlines
Wed 6/45:05 amTYS - BOI
2 stops10h 15mAmerican Airlines
Deal found 4/30$394
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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.
Wed 5/285:30 amBOI - TYS
2 stops16h 28mAlaska Airlines
Wed 6/45:05 amTYS - BOI
2 stops11h 00mAlaska Airlines
Deal found 4/30$439
This United Airlines deal was found by Cheapflights users on 4/30. 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 7/110:45 amIDA - TYS
2 stops9h 50mUnited Airlines
Tue 7/85:46 pmTYS - IDA
2 stops17h 58mUnited Airlines
Deal found 4/30$523
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/137:10 pmBOI - TYS
2 stops13h 06mUnited Airlines
Fri 5/164:50 pmTYS - BOI
2 stops21h 49mUnited Airlines
Deal found 4/28$530
This American Airlines deal was found by Cheapflights users on 4/30. 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 7/17:00 amIDA - TYS
1 stop8h 40mAmerican Airlines
Tue 7/86:00 amTYS - IDA
1 stop9h 17mAmerican Airlines
Deal found 4/30$599
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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.
Sun 6/811:33 amGEG - TYS
2 stops20h 10mAlaska Airlines
Thu 6/126:39 pmTYS - GEG
2 stops17h 52mAlaska Airlines
Deal found 4/29$669
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Sun 5/47:00 amJAC - TYS
1 stop5h 59mUnited Airlines
Tue 5/68:23 amTYS - JAC
1 stop6h 53mUnited Airlines
Deal found 4/30$911

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 May 1, 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

Mon 6/30

11:10 pm-11:08 am

1 stop8h 58m

Knoxville McGhee Tyson

Sat 7/5

5:45 am-1:17 pm

2 stops10h 32m

$264

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Thu 6/26

11:40 pm-9:53 am

1 stop8h 13m

Knoxville McGhee Tyson

Tue 7/1

7:46 am-5:13 pm

2 stops11h 27m

$289

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Wed 5/28

1:38 pm-11:58 pm

1 stop8h 20m

Knoxville McGhee Tyson

Wed 6/4

5:05 am-1:20 pm

2 stops10h 15m

$394

SpokaneKnoxville

GEG - TYS

GEGTYS

Spokane

Wed 6/18

6:00 am-5:30 pm

1 stop8h 30m

Knoxville McGhee Tyson

Wed 6/25

6:25 pm-11:20 pm

1 stop7h 55m

$408

SpokaneKnoxville

GEG - TYS

GEGTYS

Spokane

Sat 5/31

11:37 am-11:05 pm

1 stop8h 28m

Knoxville McGhee Tyson

Sat 6/7

10:50 am-5:04 pm

2 stops9h 14m

$409

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Wed 5/28

5:30 am-11:58 pm

2 stops16h 28m

Knoxville McGhee Tyson

Wed 6/4

5:05 am-2:05 pm

2 stops11h 00m

$439

Idaho FallsKnoxville

IDA - TYS

IDATYS

Idaho Falls Fanning Field

Tue 7/1

10:45 am-10:35 pm

2 stops9h 50m

Knoxville McGhee Tyson

Tue 7/8

5:46 pm-9:44 am

2 stops17h 58m

$523

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Tue 5/13

7:10 pm-10:16 am

2 stops13h 06m

Knoxville McGhee Tyson

Fri 5/16

4:50 pm-12:39 pm

2 stops21h 49m

$530

Idaho FallsKnoxville

IDA - TYS

IDATYS

Idaho Falls Fanning Field

Tue 7/1

7:00 am-5:40 pm

1 stop8h 40m

Knoxville McGhee Tyson

Tue 7/8

6:00 am-1:17 pm

1 stop9h 17m

$599

SpokaneKnoxville

GEG - TYS

GEGTYS

Spokane

Sun 6/8

11:33 am-10:43 am

2 stops20h 10m

Knoxville McGhee Tyson

Thu 6/12

6:39 pm-9:31 am

2 stops17h 52m

$669

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 21 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 May 1, 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 May 1, 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
9,972 reviews

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,972 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,934 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 $251. Users have also found prices from $270 and $297 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$258Average$510FlexibilityNo cancel feeOn-time71%
DeltaCheapest$269Average$388FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$298Average$617FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$379Average$779FlexibilityNo cancel feeOn-time75%

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