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Cheap flights from Boise to Knoxville from $136

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 2/22. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:38 pm - 3:25 pm
BOI
-
TYS
24h 47m
1 stop
Multiple Airlines Logo
8:30 am - 11:20 am
TYS
-
BOI
28h 50m
2 stops
$335Multiple Airlines
Thu, Mar 5 - Wed, Mar 11
American Airlines Logo
7:00 am - 3:37 pm
BOI
-
TYS
6h 37m
1 stop
American Airlines Logo
4:29 pm - 10:23 pm
TYS
-
BOI
7h 54m
1 stop
$359American Airlines
Tue, Mar 10 - Wed, Mar 18
American Airlines Logo
6:33 pm - 8:42 am
BOI
-
TYS
12h 09m
2 stops
American Airlines Logo
4:29 pm - 10:23 pm
TYS
-
BOI
7h 54m
1 stop
$364American Airlines
Tue, Mar 10 - Wed, Mar 18
Southwest Logo
5:40 am - 8:05 pm
BOI
-
TYS
12h 25m
2 stops
Southwest Logo
7:05 am - 3:25 pm
TYS
-
BOI
10h 20m
2 stops
$375Southwest
Tue, Mar 24 - Wed, Apr 22
American Airlines Logo
1:35 pm - 11:20 pm
BOI
-
TYS
7h 45m
1 stop
American Airlines Logo
5:40 am - 12:48 pm
TYS
-
BOI
9h 08m
1 stop
$385American Airlines
Tue, Mar 10 - Wed, Mar 18
American Airlines Logo
6:33 pm - 8:42 am
BOI
-
TYS
12h 09m
2 stops
American Airlines Logo
5:40 am - 12:48 pm
TYS
-
BOI
9h 08m
1 stop
$390American Airlines
Tue, Mar 10 - Wed, Mar 18
Delta Logo
11:30 pm - 9:11 am
BOI
-
TYS
7h 41m
1 stop
Delta Logo
6:15 pm - 11:56 pm
TYS
-
BOI
7h 41m
2 stops
$394Delta
Tue, Jun 30 - Tue, Jul 7
American Airlines Logo
11:43 am - 11:56 pm
BOI
-
TYS
10h 13m
2 stops
American Airlines Logo
5:00 am - 12:38 pm
TYS
-
BOI
9h 38m
2 stops
$396American Airlines
Wed, Apr 8 - Tue, Apr 14
Delta Logo
11:30 pm - 9:11 am
BOI
-
TYS
7h 41m
1 stop
Delta Logo
4:00 pm - 10:32 pm
TYS
-
BOI
8h 32m
1 stop
$409Delta
Tue, Jun 30 - Tue, Jul 7
United Airlines Logo
5:00 am - 3:02 pm
BOI
-
TYS
8h 02m
1 stop
United Airlines Logo
7:00 am - 12:13 pm
TYS
-
BOI
7h 13m
1 stop
$411United Airlines
Thu, Mar 5 - Wed, Mar 11

United Airlines flights from Boise to Knoxville

Our best United Airlines deals on Boise to Knoxville flight tickets
United Airlines
Mar 5
BOI5:00 amBoise Air Term. Gowen Fld
8h 02m
1 stop
TYS3:02 pmKnoxville McGhee Tyson
Mar 11
TYS7:00 amKnoxville McGhee Tyson
7h 13m
1 stop
BOI12:13 pmBoise Air Term. Gowen Fld
$411
United Airlines
Mar 11
BOI6:15 amBoise Air Term. Gowen Fld
6h 47m
1 stop
TYS3:02 pmKnoxville McGhee Tyson
Mar 18
TYS4:18 pmKnoxville McGhee Tyson
7h 11m
1 stop
BOI9:29 pmBoise Air Term. Gowen Fld
$475
United Airlines
Mar 11
BOI6:15 amBoise Air Term. Gowen Fld
12h 32m
2 stops
TYS8:47 pmKnoxville McGhee Tyson
Mar 18
TYS4:18 pmKnoxville McGhee Tyson
7h 11m
1 stop
BOI9:29 pmBoise Air Term. Gowen Fld
$480

Southwest flights from Boise to Knoxville

Our best Southwest deals on Boise to Knoxville flight tickets
Southwest
Mar 24
BOI5:40 amBoise Air Term. Gowen Fld
12h 25m
2 stops
TYS8:05 pmKnoxville McGhee Tyson
Apr 22
TYS7:05 amKnoxville McGhee Tyson
10h 20m
2 stops
BOI3:25 pmBoise Air Term. Gowen Fld
$375
Southwest
Apr 8
BOI6:40 amBoise Air Term. Gowen Fld
11h 00m
2 stops
TYS7:40 pmKnoxville McGhee Tyson
Apr 14
TYS7:05 amKnoxville McGhee Tyson
11h 35m
2 stops
BOI4:40 pmBoise Air Term. Gowen Fld
$421
Southwest
Jun 10
BOI10:40 amBoise Air Term. Gowen Fld
5h 40m
1 stop
TYS6:20 pmKnoxville McGhee Tyson
Jun 17
TYS7:10 amKnoxville McGhee Tyson
10h 35m
2 stops
BOI3:45 pmBoise Air Term. Gowen Fld
$472

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 January 28, 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

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Thu 3/5

12:38 pm-3:25 pm

1 stop24h 47m

Knoxville McGhee Tyson

Wed 3/11

8:30 am-11:20 am

2 stops28h 50m

$335

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Tue 3/10

7:00 am-3:37 pm

1 stop6h 37m

Knoxville McGhee Tyson

Wed 3/18

4:29 pm-10:23 pm

1 stop7h 54m

$359

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Tue 3/10

6:33 pm-8:42 am

2 stops12h 09m

Knoxville McGhee Tyson

Wed 3/18

4:29 pm-10:23 pm

1 stop7h 54m

$364

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Tue 3/24

5:40 am-8:05 pm

2 stops12h 25m

Knoxville McGhee Tyson

Wed 4/22

7:05 am-3:25 pm

2 stops10h 20m

$375

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Tue 3/10

1:35 pm-11:20 pm

1 stop7h 45m

Knoxville McGhee Tyson

Wed 3/18

5:40 am-12:48 pm

1 stop9h 08m

$385

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Tue 3/10

6:33 pm-8:42 am

2 stops12h 09m

Knoxville McGhee Tyson

Wed 3/18

5:40 am-12:48 pm

1 stop9h 08m

$390

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Tue 6/30

11:30 pm-9:11 am

1 stop7h 41m

Knoxville McGhee Tyson

Tue 7/7

6:15 pm-11:56 pm

2 stops7h 41m

$394

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Wed 4/8

11:43 am-11:56 pm

2 stops10h 13m

Knoxville McGhee Tyson

Tue 4/14

5:00 am-12:38 pm

2 stops9h 38m

$396

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Tue 6/30

11:30 pm-9:11 am

1 stop7h 41m

Knoxville McGhee Tyson

Tue 7/7

4:00 pm-10:32 pm

1 stop8h 32m

$409

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Thu 3/5

5:00 am-3:02 pm

1 stop8h 02m

Knoxville McGhee Tyson

Wed 3/11

7:00 am-12:13 pm

1 stop7h 13m

$411

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 January is, on average, the cheapest month to fly to Knoxville from Boise, with most prices found around $304. If you aren’t able to travel during the month of January, then book flights to Knoxville from Boise during September instead. Flights to Knoxville in September, while not as cheap as those in January, still average around $338.

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 $495 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.

Can stopping save me money on Boise to Knoxville flights?

You could potentially save up to 70% 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 43m

Direct flights

None
The fastest flight from Boise to Knoxville takes 5h 43m
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 43m.

  • 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
8,121 reviews
Search Delta flights
American AirlinesPriceFrom $258Free CancellationRating
7.2
11,200 reviews
Search American Airlines flights
United AirlinesPriceFrom $318Free CancellationRating
7.4
9,205 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $449Free CancellationRating
8.0
11,799 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
Murphy
Alcoa
Maryville
Oak Ridge
Lenoir City
Newport
Kodak
Dandridge
Jefferson City
Clinton
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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