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Cheap flights from Boise 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 Boise 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.
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0 bags

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Find the cheapest flights from Boise 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
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
Delta Logo
11:45 am - 11:00 pmBOI-TYS
9h 15m2 stops
Delta Logo
5:30 am - 2:09 pmTYS-BOI
10h 39m2 stops
$399Delta
Find Deal
Sat, Feb 21 - Wed, Feb 25
Multiple Airlines Logo
12:28 pm - 7:32 pmBOI-TYS
29h 04m1 stop
Multiple Airlines Logo
7:00 am - 2:07 pmTYS-BOI
33h 07m2 stops
$407Multiple Airlines
Find Deal
Sun, Oct 19 - Sun, Oct 26
American Airlines Logo
1:25 pm - 11:50 pmBOI-TYS
8h 25m1 stop
American Airlines Logo
4:22 pm - 10:21 pmTYS-BOI
7h 59m1 stop
$451American Airlines
Find Deal
Thu, Dec 11 - Sat, Dec 13
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
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
United Airlines Logo
7:00 am - 3:06 pmBOI-TYS
6h 06m1 stop
United Airlines Logo
7:00 am - 11:39 amTYS-BOI
6h 39m1 stop
$571United Airlines
Find Deal
Tue, Oct 7 - Sat, Oct 11
United Airlines Logo
7:05 pm - 10:10 amBOI-TYS
13h 05m2 stops
United Airlines Logo
7:00 am - 11:39 amTYS-BOI
6h 39m1 stop
$591United Airlines
Find Deal
Tue, Oct 7 - Sat, Oct 11

American Airlines flights from Boise to Knoxville

Our best American Airlines deals on Boise to Knoxville flight tickets
American Airlines
Dec 11
BOI1:25 pmBoise Air Term. Gowen Fld
8h 25m
1 stop
TYS11:50 pmKnoxville McGhee Tyson
Dec 13
TYS4:22 pmKnoxville McGhee Tyson
7h 59m
1 stop
BOI10:21 pmBoise Air Term. Gowen Fld
$451
Find similar
American Airlines
Sep 27
BOI1:38 pmBoise Air Term. Gowen Fld
8h 43m
1 stop
TYS12:21 amKnoxville McGhee Tyson
Oct 1
TYS2:07 pmKnoxville McGhee Tyson
9h 41m
1 stop
BOI9:48 pmBoise Air Term. Gowen Fld
$465
Find similar
American Airlines
Sep 27
BOI1:38 pmBoise Air Term. Gowen Fld
6h 38m
1 stop
TYS10:16 pmKnoxville McGhee Tyson
Oct 1
TYS11:18 amKnoxville McGhee Tyson
12h 30m
2 stops
BOI9:48 pmBoise Air Term. Gowen Fld
$470
Find similar

Alaska Airlines flights from Boise to Knoxville

Our best Alaska Airlines deals on Boise to Knoxville flight tickets
Alaska Airlines
Oct 25
BOI9:15 amBoise Air Term. Gowen Fld
13h 08m
2 stops
TYS12:23 amKnoxville McGhee Tyson
Nov 4
TYS4:27 pmKnoxville McGhee Tyson
20h 02m
2 stops
BOI10:29 amBoise Air Term. Gowen Fld
$489
Find similar
Alaska Airlines
Nov 5
BOI10:05 amBoise Air Term. Gowen Fld
12h 03m
2 stops
TYS12:08 amKnoxville McGhee Tyson
Nov 9
TYS5:10 amKnoxville McGhee Tyson
12h 02m
2 stops
BOI3:12 pmBoise Air Term. Gowen Fld
$551
Find similar
Alaska Airlines
Oct 23
BOI5:38 pmBoise Air Term. Gowen Fld
16h 07m
2 stops
TYS11:45 amKnoxville McGhee Tyson
Oct 27
TYS12:34 pmKnoxville McGhee Tyson
13h 25m
2 stops
BOI11:59 pmBoise Air Term. Gowen Fld
$637
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 September 23, 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

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

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

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Sat 2/21

11:45 am-11:00 pm

2 stops9h 15m

Knoxville McGhee Tyson

Wed 2/25

5:30 am-2:09 pm

2 stops10h 39m

$399

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-2:07 pm

2 stops33h 07m

$407

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Thu 12/11

1:25 pm-11:50 pm

1 stop8h 25m

Knoxville McGhee Tyson

Sat 12/13

4:22 pm-10:21 pm

1 stop7h 59m

$451

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

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

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Tue 10/7

7:00 am-3:06 pm

1 stop6h 06m

Knoxville McGhee Tyson

Sat 10/11

7:00 am-11:39 am

1 stop6h 39m

$571

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Tue 10/7

7:05 pm-10:10 am

2 stops13h 05m

Knoxville McGhee Tyson

Sat 10/11

7:00 am-11:39 am

1 stop6h 39m

$591

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 $286. If you aren’t able to travel during the month of April, then book flights to Knoxville from Boise 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 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 $525 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 $336 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

Direct flights

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

  • 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 5h 55m.

  • 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
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 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.

An easier way to manage your Knoxville trip

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