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Cheap flights from Boise to Knoxville from $188

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boise to Knoxville departing on 8/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Boise to Knoxville

Cheap round-trip flights

American Airlines Logo
1:34 pm - 12:21 amBOI-TYS
8h 47m1 stop
American Airlines Logo
4:32 pm - 9:24 pmTYS-BOI
6h 52m1 stop
$289American Airlines
Find Deal
Thu, Dec 11 - Sat, Dec 13
American Airlines Logo
1:36 pm - 11:53 pmBOI-TYS
8h 17m1 stop
American Airlines Logo
11:18 am - 9:48 pmTYS-BOI
12h 30m2 stops
$294American Airlines
Find Deal
Thu, Aug 28 - Thu, Sep 4
Delta Logo
1:30 pm - 11:48 pmBOI-TYS
8h 18m1 stop
Delta Logo
6:36 am - 1:59 pmTYS-BOI
9h 23m1 stop
$369Delta
Find Deal
Tue, Aug 12 - Sat, Aug 16
Delta Logo
10:45 am - 11:51 pmBOI-TYS
11h 06m2 stops
Delta Logo
6:36 am - 2:01 pmTYS-BOI
9h 25m1 stop
$384Delta
Find Deal
Tue, Aug 12 - Tue, Aug 19
Logo
6:06 pm - 8:41 pmBOI-TYS
24h 35m3 stops
Logo
12:08 pm - 8:21 pmTYS-BOI
34h 13m3 stops
$469
Find Deal
Thu, Aug 28 - Thu, Sep 4
Logo
6:06 pm - 11:55 amBOI-TYS
15h 49m2 stops
Logo
12:08 pm - 8:21 pmTYS-BOI
34h 13m3 stops
$479
Find Deal
Thu, Aug 28 - Thu, Sep 4
Alaska Airlines Logo
9:58 am - 11:51 pmBOI-TYS
11h 53m2 stops
Alaska Airlines Logo
6:00 am - 12:43 pmTYS-BOI
8h 43m1 stop
$566Alaska Airlines
Find Deal
Thu, Oct 23 - Sun, Oct 26
United Airlines Logo
10:45 am - 11:57 pmBOI-TYS
11h 12m2 stops
United Airlines Logo
12:00 pm - 9:14 pmTYS-BOI
11h 14m2 stops
$611United Airlines
Find Deal
Tue, Aug 19 - Wed, Aug 20
Alaska Airlines Logo
5:45 pm - 11:30 amBOI-TYS
15h 45m2 stops
Alaska Airlines Logo
2:16 pm - 12:08 amTYS-BOI
11h 52m2 stops
$707Alaska Airlines
Find Deal
Thu, Aug 28 - Mon, Sep 1
United Airlines Logo
7:00 am - 3:15 pmBOI-TYS
6h 15m1 stop
United Airlines Logo
7:25 pm - 9:42 amTYS-BOI
16h 17m2 stops
$721United Airlines
Find Deal
Tue, Aug 19 - Tue, Aug 19

American Airlines flights from Boise to Knoxville

Our best American Airlines deals on Boise to Knoxville flight tickets
American Airlines
Dec 11
BOI1:34 pmBoise Air Term. Gowen Fld
8h 47m
1 stop
TYS12:21 amKnoxville McGhee Tyson
Dec 13
TYS4:32 pmKnoxville McGhee Tyson
6h 52m
1 stop
BOI9:24 pmBoise Air Term. Gowen Fld
$289
Find similar
American Airlines
Aug 28
BOI1:36 pmBoise Air Term. Gowen Fld
8h 17m
1 stop
TYS11:53 pmKnoxville McGhee Tyson
Sep 4
TYS11:18 amKnoxville McGhee Tyson
12h 30m
2 stops
BOI9:48 pmBoise Air Term. Gowen Fld
$294
Find similar
American Airlines
Aug 15
BOI1:36 pmBoise Air Term. Gowen Fld
8h 43m
1 stop
TYS12:19 amKnoxville McGhee Tyson
Aug 19
TYS2:23 pmKnoxville McGhee Tyson
9h 20m
1 stop
BOI9:43 pmBoise Air Term. Gowen Fld
$339
Find similar

Delta flights from Boise to Knoxville

Our best Delta deals on Boise to Knoxville flight tickets
Delta
Aug 12
BOI10:45 amBoise Air Term. Gowen Fld
11h 06m
2 stops
TYS11:51 pmKnoxville McGhee Tyson
Aug 16
TYS6:36 amKnoxville McGhee Tyson
9h 23m
1 stop
BOI1:59 pmBoise Air Term. Gowen Fld
$344
Find similar
Delta
Aug 12
BOI1:30 pmBoise Air Term. Gowen Fld
8h 18m
1 stop
TYS11:48 pmKnoxville McGhee Tyson
Aug 16
TYS6:36 amKnoxville McGhee Tyson
9h 23m
1 stop
BOI1:59 pmBoise Air Term. Gowen Fld
$369
Find similar
Delta
Aug 12
BOI10:45 amBoise Air Term. Gowen Fld
11h 06m
2 stops
TYS11:51 pmKnoxville McGhee Tyson
Aug 19
TYS6:36 amKnoxville McGhee Tyson
9h 25m
1 stop
BOI2:01 pmBoise Air Term. Gowen Fld
$384
Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Thu 12/11

1:34 pm-12:21 am

1 stop8h 47m

Knoxville McGhee Tyson

Sat 12/13

4:32 pm-9:24 pm

1 stop6h 52m

$289

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Thu 8/28

1:36 pm-11:53 pm

1 stop8h 17m

Knoxville McGhee Tyson

Thu 9/4

11:18 am-9:48 pm

2 stops12h 30m

$294

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Tue 8/12

1:30 pm-11:48 pm

1 stop8h 18m

Knoxville McGhee Tyson

Sat 8/16

6:36 am-1:59 pm

1 stop9h 23m

$369

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Tue 8/12

10:45 am-11:51 pm

2 stops11h 06m

Knoxville McGhee Tyson

Tue 8/19

6:36 am-2:01 pm

1 stop9h 25m

$384

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Thu 8/28

6:06 pm-8:41 pm

3 stops24h 35m

Knoxville McGhee Tyson

Thu 9/4

12:08 pm-8:21 pm

3 stops34h 13m

$469

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Thu 8/28

6:06 pm-11:55 am

2 stops15h 49m

Knoxville McGhee Tyson

Thu 9/4

12:08 pm-8:21 pm

3 stops34h 13m

$479

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Thu 10/23

9:58 am-11:51 pm

2 stops11h 53m

Knoxville McGhee Tyson

Sun 10/26

6:00 am-12:43 pm

1 stop8h 43m

$566

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Tue 8/19

10:45 am-11:57 pm

2 stops11h 12m

Knoxville McGhee Tyson

Wed 8/20

12:00 pm-9:14 pm

2 stops11h 14m

$611

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Thu 8/28

5:45 pm-11:30 am

2 stops15h 45m

Knoxville McGhee Tyson

Mon 9/1

2:16 pm-12:08 am

2 stops11h 52m

$707

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Tue 8/19

7:00 am-3:15 pm

1 stop6h 15m

Knoxville McGhee Tyson

Tue 8/19

7:25 pm-9:42 am

2 stops16h 17m

$721

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 Boise 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 Boise, with most prices found around $313. If you aren’t able to travel during the month of April, then book flights to Knoxville from Boise during February instead. Flights to Knoxville in February, while not as cheap as those in April, still average around $328.

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

The cheapest day to depart from Boise 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 Boise 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 Boise 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 Boise when booking weeks ahead of your departure date. In general, you can expect to find flights to Knoxville for around $506 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Knoxville from Boise for as low as $288 on momondo.

When to book flights from Boise to Knoxville

Are you open to changing your travel dates? Check out the ideal times to fly from Boise to Knoxville according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boise to Knoxville (BOI to TYS) flight deals and tips

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

Best Price Found

$188

Fastest flight time

5h 55m

Direct flights

None

Airports in Knoxville

1 airport
The best one-way flight to Knoxville from Boise in the past 72 hours is $188. The best round-trip flight deal from Boise to Knoxville found on momondo in the last 72 hours is $289.
The fastest flight from Boise to Knoxville takes 5h 55m
There are no direct flights from Boise to Knoxville. Popular non-direct route for this connection is Boise Air Term. Gowen Fld Airport - Knoxville McGhee Tyson Airport.
There is 1 airport near Knoxville: Knoxville McGhee Tyson (TYS)
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  • How far is Boise Air Term. Gowen Fld to Knoxville McGhee Tyson by plane?

    The straight-line distance from Boise Air Term. Gowen Fld to Knoxville McGhee Tyson is 1779.7 mi. A reasonable flight in good conditions will take 6h 09m.

  • When did momondo last update prices for flights from Boise Air Term. Gowen Fld Airport to Knoxville McGhee Tyson Airport?

    Prices for flights from Boise Air Term. Gowen Fld Airport to Knoxville McGhee Tyson Airport were last updated today.

  • How many operators does momondo search for flights from Boise Air Term. Gowen Fld Airport to Knoxville McGhee Tyson Airport?

  • How old do you have to be to fly from Boise Air Term. Gowen Fld Airport 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 Boise Air Term. Gowen Fld Airport to Knoxville McGhee Tyson Airport.

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

    The travel and health documents required for your trip to Knoxville McGhee Tyson Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Knoxville McGhee Tyson Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Boise to Knoxville?

Best airlines flying from Boise to Knoxville

Compare and see reviews for airlines that fly from Boise to Knoxville with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $258Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $288Free CancellationRating
8.0
7,981 reviews
Search Delta flights
United AirlinesPriceFrom $298Free CancellationRating
7.4
8,900 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
Newport
Alcoa
Lenoir City
Oak Ridge
Kodak
Dandridge
Clinton
Jefferson City
Rockford

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Boise to Knoxville. momondo saves you time and could save you money on your trip.

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

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

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

Once you have performed a search for Boise 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 Boise to Knoxville right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Knoxville, momondo offers a useful price alert feature which will track prices for flights to Knoxville from Boise and alert you when they change.

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