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Cheap flights from Jacksonville to Knoxville from $55

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Jacksonville to Knoxville departing on 12/21. 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 Jacksonville to Knoxville

Cheap round-trip flights

Enter your travel dates to find the best prices.
Allegiant Air Logo
9:42 pm - 11:05 pm
JAX
-
TYS
1h 23mnonstop
Allegiant Air Logo
7:26 pm - 8:52 pm
TYS
-
JAX
1h 26mnonstop
$56Allegiant Air
Thu, Jan 22 - Sun, Jan 25
Allegiant Air Logo
9:42 pm - 11:05 pm
JAX
-
TYS
1h 23mnonstop
Allegiant Air Logo
7:26 pm - 8:52 pm
TYS
-
JAX
1h 26mnonstop
$75Allegiant Air
Thu, Jan 8 - Sun, Jan 11
Allegiant Air Logo
9:42 pm - 11:05 pm
JAX
-
TYS
1h 23mnonstop
Allegiant Air Logo
7:26 pm - 8:52 pm
TYS
-
JAX
1h 26mnonstop
$77Allegiant Air
Thu, Jan 22 - Sun, Jan 25
Allegiant Air Logo
9:42 pm - 11:05 pm
JAX
-
TYS
1h 23mnonstop
Allegiant Air Logo
7:26 pm - 8:52 pm
TYS
-
JAX
1h 26mnonstop
$78Allegiant Air
Thu, Feb 5 - Sun, Feb 8
Allegiant Air Logo
8:02 pm - 9:21 pm
JAX
-
TYS
1h 19mnonstop
Allegiant Air Logo
11:50 am - 1:19 pm
TYS
-
JAX
1h 29mnonstop
$89Allegiant Air
Thu, Feb 19 - Sun, Feb 22
Multiple Airlines Logo
9:42 pm - 11:05 pm
JAX
-
TYS
1h 23mnonstop
Multiple Airlines Logo
1:39 pm - 6:23 pm
TYS
-
JAX
28h 44m2 stops
$147Multiple Airlines
Thu, Jan 22 - Sun, Jan 25
Multiple Airlines Logo
9:42 pm - 11:05 pm
JAX
-
TYS
1h 23mnonstop
Multiple Airlines Logo
1:39 pm - 4:57 pm
TYS
-
JAX
27h 18m2 stops
$151Multiple Airlines
Thu, Jan 8 - Sun, Jan 11
Multiple Airlines Logo
8:02 pm - 9:21 pm
JAX
-
TYS
1h 19mnonstop
Multiple Airlines Logo
5:56 pm - 6:58 pm
TYS
-
JAX
25h 02m2 stops
$155Multiple Airlines
Thu, Feb 19 - Sun, Feb 22
Multiple Airlines Logo
6:27 pm - 11:09 am
JAX
-
TYS
16h 42m2 stops
Multiple Airlines Logo
7:26 pm - 8:52 pm
TYS
-
JAX
1h 26mnonstop
$162Multiple Airlines
Fri, Jan 9 - Sun, Jan 11
Multiple Airlines Logo
7:53 pm - 10:07 pm
JAX
-
TYS
26h 14m2 stops
Multiple Airlines Logo
11:50 am - 1:16 pm
TYS
-
JAX
1h 26mnonstop
$167Multiple Airlines
Wed, Feb 25 - Sun, Mar 1

Delta flights from Jacksonville to Knoxville

Our best Delta deals on Jacksonville to Knoxville flight tickets
Delta
Jan 15
JAX5:30 amJacksonville
4h 45m
1 stop
TYS10:15 amKnoxville McGhee Tyson
Jan 19
TYS5:40 amKnoxville McGhee Tyson
3h 01m
1 stop
JAX8:41 amJacksonville
$419
Find similar
Delta
Dec 19
JAX5:05 amJacksonville
4h 33m
1 stop
TYS9:38 amKnoxville McGhee Tyson
Dec 26
TYS6:59 pmKnoxville McGhee Tyson
3h 44m
1 stop
JAX10:43 pmJacksonville
$753
Find similar
Delta
Dec 19
JAX6:05 amJacksonville
3h 33m
1 stop
TYS9:38 amKnoxville McGhee Tyson
Dec 26
TYS6:59 pmKnoxville McGhee Tyson
3h 44m
1 stop
JAX10:43 pmJacksonville
$754
Find similar

United Airlines flights from Jacksonville to Knoxville

Our best United Airlines deals on Jacksonville to Knoxville flight tickets
United Airlines
Dec 30
JAX9:20 amJacksonville
10h 31m
1 stop
TYS7:51 pmKnoxville McGhee Tyson
Jan 3
TYS5:45 amKnoxville McGhee Tyson
14h 25m
1 stop
JAX8:10 pmJacksonville
$659
Find similar
United Airlines
Dec 30
JAX9:20 amJacksonville
13h 19m
2 stops
TYS10:39 pmKnoxville McGhee Tyson
Jan 4
TYS5:45 amKnoxville McGhee Tyson
14h 25m
1 stop
JAX8:10 pmJacksonville
$705
Find similar
United Airlines
Dec 30
JAX7:40 amJacksonville
16h 19m
2 stops
TYS11:59 pmKnoxville McGhee Tyson
Jan 4
TYS5:45 amKnoxville McGhee Tyson
14h 25m
1 stop
JAX8:10 pmJacksonville
$716
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Jacksonville 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 December 16, 2025.
Use the filters below to find and compare flights from Jacksonville to Knoxville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

JacksonvilleKnoxville

JAX - TYS

JAXTYS

Jacksonville

Thu 1/22

9:42 pm-11:05 pm

Nonstop1h 23m

Knoxville McGhee Tyson

Sun 1/25

7:26 pm-8:52 pm

Nonstop1h 26m

$56

JacksonvilleKnoxville

JAX - TYS

JAXTYS

Jacksonville

Thu 1/8

9:42 pm-11:05 pm

Nonstop1h 23m

Knoxville McGhee Tyson

Sun 1/11

7:26 pm-8:52 pm

Nonstop1h 26m

$75

JacksonvilleKnoxville

JAX - TYS

JAXTYS

Jacksonville

Thu 1/22

9:42 pm-11:05 pm

Nonstop1h 23m

Knoxville McGhee Tyson

Sun 1/25

7:26 pm-8:52 pm

Nonstop1h 26m

$77

JacksonvilleKnoxville

JAX - TYS

JAXTYS

Jacksonville

Thu 2/5

9:42 pm-11:05 pm

Nonstop1h 23m

Knoxville McGhee Tyson

Sun 2/8

7:26 pm-8:52 pm

Nonstop1h 26m

$78

JacksonvilleKnoxville

JAX - TYS

JAXTYS

Jacksonville

Thu 2/19

8:02 pm-9:21 pm

Nonstop1h 19m

Knoxville McGhee Tyson

Sun 2/22

11:50 am-1:19 pm

Nonstop1h 29m

$89

JacksonvilleKnoxville

JAX - TYS

JAXTYS

Jacksonville

Thu 1/22

9:42 pm-11:05 pm

Nonstop1h 23m

Knoxville McGhee Tyson

Sun 1/25

1:39 pm-6:23 pm

2 stops28h 44m

$147

JacksonvilleKnoxville

JAX - TYS

JAXTYS

Jacksonville

Thu 1/8

9:42 pm-11:05 pm

Nonstop1h 23m

Knoxville McGhee Tyson

Sun 1/11

1:39 pm-4:57 pm

2 stops27h 18m

$151

JacksonvilleKnoxville

JAX - TYS

JAXTYS

Jacksonville

Thu 2/19

8:02 pm-9:21 pm

Nonstop1h 19m

Knoxville McGhee Tyson

Sun 2/22

5:56 pm-6:58 pm

2 stops25h 02m

$155

JacksonvilleKnoxville

JAX - TYS

JAXTYS

Jacksonville

Fri 1/9

6:27 pm-11:09 am

2 stops16h 42m

Knoxville McGhee Tyson

Sun 1/11

7:26 pm-8:52 pm

Nonstop1h 26m

$162

JacksonvilleKnoxville

JAX - TYS

JAXTYS

Jacksonville

Wed 2/25

7:53 pm-10:07 pm

2 stops26h 14m

Knoxville McGhee Tyson

Sun 3/1

11:50 am-1:16 pm

Nonstop1h 26m

$167

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 Jacksonville 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 August is, on average, the cheapest month to fly to Knoxville from Jacksonville, with most prices found around $77. If you aren’t able to travel during the month of August, then book flights to Knoxville from Jacksonville during July instead. Flights to Knoxville in July, while not as cheap as those in August, still average around $88.

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

The cheapest day to depart from Jacksonville to Knoxville is on a Friday. Travelers who choose to depart for Knoxville on a Friday will often find tickets for as low as $81. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Jacksonville to Knoxville for around $168.

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 Jacksonville to Knoxville when you can find flight prices for as low as $92. 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 at noon when prices are around $527.

What is the cheapest Jacksonville to Knoxville McGhee Tyson flight route?

Fly from Jacksonville to Knoxville McGhee Tyson for the best Jacksonville - Knoxville McGhee Tyson flight prices

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

You are more likely to see cheaper flights to Knoxville from Jacksonville when booking weeks ahead of your departure date. In general, you can expect to find flights to Knoxville for around $135 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Knoxville from Jacksonville for as low as $68 on momondo.

What cabin class options are available on Jacksonville to Knoxville McGhee Tyson flights?

There is only 1 cabin class available to choose from on Jacksonville to Knoxville McGhee Tyson flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Jacksonville to Knoxville flight prices changed over time?

As of December 2025, prices for Jacksonville to Knoxville flights are approximately 43% cheaper when compared to flights at the same time last year.

When to book flights from Jacksonville to Knoxville

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

Cheap Jacksonville to Knoxville (JAX to TYS) flight deals and tips

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

Best Price Found

$77

Fastest flight time

1h 21m

Direct flights

Mon and Fri

Airports in Knoxville

1 airport
The best flight deal from Jacksonville to Knoxville found on momondo in the last 72 hours is $77
The fastest flight from Jacksonville to Knoxville takes 1h 21m
Direct flights go from Jacksonville to Knoxville on Monday and Friday. There are no airlines offering direct flights.
There is 1 airport in Knoxville. From Jacksonville there are direct flights to Knoxville McGhee Tyson (TYS).
Search flight deals

  • How far is Jacksonville to Knoxville McGhee Tyson by plane?

    A flight from Jacksonville to Knoxville McGhee Tyson will travel around 410.0 mi. 1h 21m is a normal flight duration for this route.

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

    Prices for flights from Jacksonville Airport to Knoxville McGhee Tyson Airport were last updated today.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Jacksonville Airport 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.

  • What is the most popular plane model from Jacksonville to Knoxville?

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

Best airlines flying from Jacksonville to Knoxville

Compare and see reviews for airlines that fly from Jacksonville to Knoxville with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $56Free CancellationRating
7.2
700 reviews
Search Allegiant Air flights
DeltaPriceFrom $204Free CancellationRating
7.9
8,010 reviews
Search Delta flights
American AirlinesPriceFrom $260Free CancellationRating
7.2
11,047 reviews
Search American 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
Maryville
Crossville
Murphy
Alcoa
Oak Ridge
Newport
Lenoir City
Kodak
Dandridge
Jefferson City
Clinton
Rockford

Why use momondo?

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

It is quick and easy to find Jacksonville to Knoxville flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Knoxville that suits you.

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

momondo does allow users to show only those flights to Knoxville from Jacksonville which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Knoxville from Jacksonville. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Knoxville from Jacksonville. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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