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Cheap flights from Idaho to Knoxville from $219

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Knoxville departing on 11/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Idaho to Knoxville

Cheap round-trip flights

Multiple Airlines Logo
12:28 pm - 7:32 pmBOI-TYS
29h 04m1 stop
Multiple Airlines Logo
7:00 am - 11:43 amTYS-BOI
6h 43m1 stop
$357Multiple Airlines
Find Deal
Sun, Oct 19 - Sun, Oct 26
Delta Logo
3:00 pm - 11:00 pmBOI-TYS
6h 00m1 stop
Delta Logo
6:45 am - 2:09 pmTYS-BOI
9h 24m1 stop
$389Delta
Find Deal
Sat, Feb 21 - Wed, Feb 25
Delta Logo
12:51 pm - 11:22 pmGEG-TYS
7h 31m1 stop
Delta Logo
6:35 am - 1:14 pmTYS-GEG
9h 39m1 stop
$389Delta
Find Deal
Tue, Nov 4 - Tue, Nov 11
American Airlines Logo
6:32 am - 9:24 pmGEG-TYS
11h 52m2 stops
American Airlines Logo
7:59 am - 12:32 pmTYS-GEG
7h 33m1 stop
$394American Airlines
Find Deal
Tue, Nov 4 - Tue, Nov 11
Delta Logo
1:39 pm - 11:07 pmBOI-TYS
7h 28m1 stop
Delta Logo
5:44 am - 2:02 pmTYS-BOI
10h 18m2 stops
$394Delta
Find Deal
Sat, Oct 25 - Tue, Nov 4
American Airlines Logo
12:55 pm - 9:03 pmIDA-TYS
6h 08m1 stop
American Airlines Logo
2:11 pm - 9:48 pmTYS-IDA
9h 37m1 stop
$404American Airlines
Find Deal
Wed, Oct 29 - Sat, Nov 1
United Airlines Logo
4:25 pm - 10:19 amJAC-TYS
15h 54m2 stops
United Airlines Logo
8:45 am - 1:29 pmTYS-JAC
6h 44m1 stop
$488United Airlines
Find Deal
Sat, Feb 28 - Tue, Mar 3
Alaska Airlines Logo
9:15 am - 12:23 amBOI-TYS
13h 08m2 stops
Alaska Airlines Logo
4:27 pm - 10:29 amTYS-BOI
20h 02m2 stops
$489Alaska Airlines
Find Deal
Sat, Oct 25 - Tue, Nov 4
United Airlines Logo
4:25 pm - 10:49 amJAC-TYS
16h 24m2 stops
United Airlines Logo
12:00 pm - 9:02 pmTYS-JAC
11h 02m2 stops
$493United Airlines
Find Deal
Sat, Feb 28 - Tue, Mar 3
Alaska Airlines Logo
10:05 am - 12:08 amBOI-TYS
12h 03m2 stops
Alaska Airlines Logo
5:10 am - 3:12 pmTYS-BOI
12h 02m2 stops
$551Alaska Airlines
Find Deal
Wed, Nov 5 - Sun, Nov 9

Delta flights from Idaho to Knoxville

Our best Delta deals on Idaho to Knoxville flight tickets
Delta
Nov 4
GEG12:51 pmSpokane
7h 31m
1 stop
TYS11:22 pmKnoxville McGhee Tyson
Nov 11
TYS6:35 amKnoxville McGhee Tyson
9h 39m
1 stop
GEG1:14 pmSpokane
$389
Find similar
Delta
Oct 25
BOI1:39 pmBoise Air Term. Gowen Fld
7h 28m
1 stop
TYS11:07 pmKnoxville McGhee Tyson
Nov 4
TYS5:44 amKnoxville McGhee Tyson
10h 18m
2 stops
BOI2:02 pmBoise Air Term. Gowen Fld
$394
Find similar
Delta
Feb 21
BOI11:45 amBoise Air Term. Gowen Fld
9h 15m
2 stops
TYS11:00 pmKnoxville McGhee Tyson
Feb 25
TYS5:30 amKnoxville McGhee Tyson
10h 39m
2 stops
BOI2:09 pmBoise Air Term. Gowen Fld
$399
Find similar

United Airlines flights from Idaho to Knoxville

Our best United Airlines deals on Idaho to Knoxville flight tickets
United Airlines
Feb 28
JAC4:25 pmJackson Hole
15h 54m
2 stops
TYS10:19 amKnoxville McGhee Tyson
Mar 3
TYS8:45 amKnoxville McGhee Tyson
6h 44m
1 stop
JAC1:29 pmJackson Hole
$488
Find similar
United Airlines
Feb 28
JAC4:25 pmJackson Hole
16h 24m
2 stops
TYS10:49 amKnoxville McGhee Tyson
Mar 3
TYS12:00 pmKnoxville McGhee Tyson
11h 02m
2 stops
JAC9:02 pmJackson Hole
$493
Find similar
United Airlines
Oct 7
IDA5:00 amIdaho Falls Fanning Field
8h 06m
1 stop
TYS3:06 pmKnoxville McGhee Tyson
Oct 11
TYS8:50 amKnoxville McGhee Tyson
10h 28m
2 stops
IDA5:18 pmIdaho Falls Fanning Field
$509
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated September 23, 2025.
Use the filters below to find and compare flights from Idaho to Knoxville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Sun 10/19

12:28 pm-7:32 pm

1 stop29h 04m

Knoxville McGhee Tyson

Sun 10/26

7:00 am-11:43 am

1 stop6h 43m

$357

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Sat 2/21

3:00 pm-11:00 pm

1 stop6h 00m

Knoxville McGhee Tyson

Wed 2/25

6:45 am-2:09 pm

1 stop9h 24m

$389

SpokaneKnoxville

GEG - TYS

GEGTYS

Spokane

Tue 11/4

12:51 pm-11:22 pm

1 stop7h 31m

Knoxville McGhee Tyson

Tue 11/11

6:35 am-1:14 pm

1 stop9h 39m

$389

SpokaneKnoxville

GEG - TYS

GEGTYS

Spokane

Tue 11/4

6:32 am-9:24 pm

2 stops11h 52m

Knoxville McGhee Tyson

Tue 11/11

7:59 am-12:32 pm

1 stop7h 33m

$394

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Sat 10/25

1:39 pm-11:07 pm

1 stop7h 28m

Knoxville McGhee Tyson

Tue 11/4

5:44 am-2:02 pm

2 stops10h 18m

$394

Idaho FallsKnoxville

IDA - TYS

IDATYS

Idaho Falls Fanning Field

Wed 10/29

12:55 pm-9:03 pm

1 stop6h 08m

Knoxville McGhee Tyson

Sat 11/1

2:11 pm-9:48 pm

1 stop9h 37m

$404

JacksonKnoxville

JAC - TYS

JACTYS

Jackson Hole

Sat 2/28

4:25 pm-10:19 am

2 stops15h 54m

Knoxville McGhee Tyson

Tue 3/3

8:45 am-1:29 pm

1 stop6h 44m

$488

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Sat 10/25

9:15 am-12:23 am

2 stops13h 08m

Knoxville McGhee Tyson

Tue 11/4

4:27 pm-10:29 am

2 stops20h 02m

$489

JacksonKnoxville

JAC - TYS

JACTYS

Jackson Hole

Sat 2/28

4:25 pm-10:49 am

2 stops16h 24m

Knoxville McGhee Tyson

Tue 3/3

12:00 pm-9:02 pm

2 stops11h 02m

$493

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Wed 11/5

10:05 am-12:08 am

2 stops12h 03m

Knoxville McGhee Tyson

Sun 11/9

5:10 am-3:12 pm

2 stops12h 02m

$551

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Knoxville from

How to get the cheapest flight ticket from Idaho to Knoxville

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Knoxville?

The month of April is, on average, the cheapest month to fly to Knoxville from Idaho, with most prices found around $286. If you aren’t able to travel during the month of April, then book flights to Knoxville from Idaho during September instead. Flights to Knoxville in September, while not as cheap as those in April, still average around $338.

What is the cheapest day to depart on your flight to Knoxville?

The cheapest day to depart from Idaho to Knoxville is on a Tuesday. Travelers who choose to depart for Knoxville on a Tuesday will often find tickets for as low as $432. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Idaho to Knoxville for around $701.

What is the cheapest time of day to depart on your flight to Knoxville?

In the evening is the cheapest time of day to fly from Idaho to Knoxville when you can find flight prices for as low as $368. Flying to Knoxville in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Knoxville is in the morning when prices are around $600.

How far in advance should I book a flight to Knoxville?

You are more likely to see cheaper flights to Knoxville from Idaho when booking weeks ahead of your departure date. In general, you can expect to find flights to Knoxville for around $525 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Knoxville from Idaho for as low as $336 on momondo.

Can stopping save me money on Idaho to Knoxville flights?

You could potentially save up to 8% on your flight if you consider stops on a Idaho to Knoxville flight.

Cheap Idaho to Knoxville flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho to Knoxville

Direct flights

None
There are no direct flights from Idaho to Knoxville. There are no popular flight routes from Idaho to Knoxville.
Search flight deals

  • When did momondo last update prices for flights from Idaho to Knoxville McGhee Tyson Airport?

    Prices for flights from Idaho to Knoxville McGhee Tyson Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Idaho to Knoxville McGhee Tyson Airport?

  • How old do you have to be to fly from Idaho to Knoxville McGhee Tyson Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to Knoxville McGhee Tyson Airport.

  • What documentation or ID do you need to fly to Knoxville McGhee Tyson Airport?

    The necessary travel and health documents for your Knoxville McGhee Tyson Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Idaho to Knoxville

Compare and see reviews for airlines that fly from Idaho to Knoxville with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $254Free CancellationRating
7.9
7,974 reviews
Search Delta flights
American AirlinesPriceFrom $258Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $318Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $379Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights

Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Pigeon Forge
Gatlinburg
Cherokee
Bryson City
Morristown
Corbin
Crossville
Maryville
Murphy
Alcoa
Oak Ridge
Lenoir City
Newport
Kodak
Dandridge
Clinton
Jefferson City
Rockford

Why use momondo?

Why should I use momondo to find a flight deal from Idaho to Knoxville?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Idaho to Knoxville. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Idaho to Knoxville with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Idaho to Knoxville flights to just show those with flexible booking policies.

How can momondo help me find flights from Idaho to Knoxville?

Once you have performed a search for Idaho to Knoxville flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Idaho to Knoxville right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Idaho to Knoxville now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Knoxville and let you know when they change.

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