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Cheap flights from Boise to Knoxville from $225

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 6/27. 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 Boise to Knoxville

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:25 pm - 7:37 pm
BOI
-
TYS
28h 12m
1 stop
Multiple Airlines Logo
7:00 am - 12:30 pm
TYS
-
BOI
7h 30m
1 stop
$376Multiple Airlines
Tue, Jun 9 - Sun, Jun 14
Multiple Airlines Logo
1:25 pm - 7:37 pm
BOI
-
TYS
28h 12m
1 stop
Multiple Airlines Logo
7:00 am - 12:30 pm
TYS
-
BOI
7h 30m
1 stop
$383Multiple Airlines
Tue, Jun 9 - Sun, Jun 14
Delta Logo
11:59 am - 11:54 pm
BOI
-
TYS
9h 55m
2 stops
Delta Logo
6:45 am - 10:57 am
TYS
-
BOI
6h 12m
1 stop
$421Delta
Wed, Jun 24 - Mon, Jul 27
Delta Logo
11:59 am - 11:54 pm
BOI
-
TYS
9h 55m
2 stops
Delta Logo
5:25 pm - 11:46 pm
TYS
-
BOI
8h 21m
2 stops
$427Delta
Wed, Jun 24 - Mon, Jul 27
Delta Logo
11:39 pm - 9:34 am
BOI
-
TYS
7h 55m
1 stop
Delta Logo
5:59 pm - 10:28 pm
TYS
-
BOI
6h 29m
1 stop
$428Delta
Mon, Jun 1 - Fri, Jun 5
Southwest Logo
5:55 am - 6:40 pm
BOI
-
TYS
10h 45m
2 stops
Southwest Logo
4:05 pm - 10:10 pm
TYS
-
BOI
8h 05m
1 stop
$431Southwest
Thu, Oct 15 - Wed, Oct 21
Multiple Airlines Logo
1:25 pm - 7:36 pm
BOI
-
TYS
28h 11m
1 stop
Multiple Airlines Logo
7:00 am - 12:29 pm
TYS
-
BOI
7h 29m
1 stop
$433Multiple Airlines
Sun, Jul 26 - Sun, Aug 2
Southwest Logo
5:55 am - 6:40 pm
BOI
-
TYS
10h 45m
2 stops
Southwest Logo
4:05 pm - 11:55 pm
TYS
-
BOI
9h 50m
2 stops
$436Southwest
Thu, Oct 15 - Wed, Oct 21
Delta Logo
11:59 am - 9:41 pm
BOI
-
TYS
7h 42m
2 stops
Delta Logo
6:45 am - 1:51 pm
TYS
-
BOI
9h 06m
1 stop
$439Delta
Sat, Jun 27 - Sat, Jul 4
Delta Logo
2:04 pm - 11:54 pm
BOI
-
TYS
7h 50m
1 stop
Delta Logo
6:00 am - 12:54 pm
TYS
-
BOI
8h 54m
1 stop
$443Delta
Fri, Jun 26 - Sat, Jul 4

United Airlines flights from Boise to Knoxville

Our best United Airlines deals on Boise to Knoxville flight tickets
United Airlines
Aug 18
BOI6:30 amBoise Air Term. Gowen Fld
7h 24m
1 stop
TYS3:54 pmKnoxville McGhee Tyson
Aug 19
TYS4:56 pmKnoxville McGhee Tyson
7h 36m
1 stop
BOI10:32 pmBoise Air Term. Gowen Fld
$475
United Airlines
Aug 18
BOI10:37 amBoise Air Term. Gowen Fld
8h 53m
2 stops
TYS9:30 pmKnoxville McGhee Tyson
Aug 19
TYS4:56 pmKnoxville McGhee Tyson
6h 29m
1 stop
BOI9:25 pmBoise Air Term. Gowen Fld
$480
United Airlines
Aug 18
BOI10:37 amBoise Air Term. Gowen Fld
8h 53m
2 stops
TYS9:30 pmKnoxville McGhee Tyson
Aug 19
TYS7:15 amKnoxville McGhee Tyson
12h 38m
2 stops
BOI5:53 pmBoise Air Term. Gowen Fld
$485

Alaska Airlines flights from Boise to Knoxville

Our best Alaska Airlines deals on Boise to Knoxville flight tickets
Alaska Airlines
Aug 18
BOI8:47 pmBoise Air Term. Gowen Fld
12h 27m
2 stops
TYS11:14 amKnoxville McGhee Tyson
Aug 19
TYS1:46 pmKnoxville McGhee Tyson
11h 58m
2 stops
BOI11:44 pmBoise Air Term. Gowen Fld
$534
Alaska Airlines
Aug 18
BOI6:23 amBoise Air Term. Gowen Fld
14h 55m
2 stops
TYS11:18 pmKnoxville McGhee Tyson
Aug 19
TYS6:00 amKnoxville McGhee Tyson
11h 31m
2 stops
BOI3:31 pmBoise Air Term. Gowen Fld
$540
Alaska Airlines
May 13
BOI6:00 amBoise Air Term. Gowen Fld
13h 57m
2 stops
TYS9:57 pmKnoxville McGhee Tyson
May 15
TYS5:09 pmKnoxville McGhee Tyson
19h 54m
2 stops
BOI11:03 amBoise Air Term. Gowen Fld
$709

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 May 7, 2026.
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

Cheapest round-trip

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Tue 6/9

1:25 pm-7:37 pm

1 stop28h 12m

Knoxville McGhee Tyson

Sun 6/14

7:00 am-12:30 pm

1 stop7h 30m

$376

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Tue 6/9

1:25 pm-7:37 pm

1 stop28h 12m

Knoxville McGhee Tyson

Sun 6/14

7:00 am-12:30 pm

1 stop7h 30m

$383

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Wed 6/24

11:59 am-11:54 pm

2 stops9h 55m

Knoxville McGhee Tyson

Mon 7/27

6:45 am-10:57 am

1 stop6h 12m

$421

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Wed 6/24

11:59 am-11:54 pm

2 stops9h 55m

Knoxville McGhee Tyson

Mon 7/27

5:25 pm-11:46 pm

2 stops8h 21m

$427
Quickest round-trip

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Mon 6/1

11:39 pm-9:34 am

1 stop7h 55m

Knoxville McGhee Tyson

Fri 6/5

5:59 pm-10:28 pm

1 stop6h 29m

$428

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Thu 10/15

5:55 am-6:40 pm

2 stops10h 45m

Knoxville McGhee Tyson

Wed 10/21

4:05 pm-10:10 pm

1 stop8h 05m

$431

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Sun 7/26

1:25 pm-7:36 pm

1 stop28h 11m

Knoxville McGhee Tyson

Sun 8/2

7:00 am-12:29 pm

1 stop7h 29m

$433

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Thu 10/15

5:55 am-6:40 pm

2 stops10h 45m

Knoxville McGhee Tyson

Wed 10/21

4:05 pm-11:55 pm

2 stops9h 50m

$436

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Sat 6/27

11:59 am-9:41 pm

2 stops7h 42m

Knoxville McGhee Tyson

Sat 7/4

6:45 am-1:51 pm

1 stop9h 06m

$439

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Fri 6/26

2:04 pm-11:54 pm

1 stop7h 50m

Knoxville McGhee Tyson

Sat 7/4

6:00 am-12:54 pm

1 stop8h 54m

$443

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 typical price of a round-trip flight between Boise and Knoxville?

What is the cheapest month to fly to Knoxville?

The month of September is, on average, the cheapest month to fly to Knoxville from Boise, with most prices found around $326. If you aren’t able to travel during the month of September, then book flights to Knoxville from Boise during August instead. Flights to Knoxville in August, while not as cheap as those in September, still average around $488.

Can stopping save me money on Boise to Knoxville flights?

You could potentially save up to 16% on your flight if you consider stops on a Boise to Knoxville flight.

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

Fastest flight time

5h 31m

Direct flights

None
The fastest flight from Boise to Knoxville takes 5h 31m
There are no direct flights from Boise to Knoxville. There are no popular flight routes from Boise to Knoxville.
Search flight deals

Frequently asked questions about flying from Boise to Knoxville

  • 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 31m.

  • 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 $288Free CancellationRating
7.1
11,669 reviews
Search American Airlines flights
United AirlinesPriceFrom $358Free CancellationRating
7.4
9,690 reviews
Search United Airlines flights
DeltaPriceFrom $379Free CancellationRating
7.9
8,459 reviews
Search Delta flights
Alaska AirlinesPriceFrom $488Free CancellationRating
7.9
12,336 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
Alcoa
Crossville
Maryville
Murphy
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.

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