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Cheap flights from Jacksonville to Knoxville from $81

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Jacksonville to Knoxville departing on 2/19. 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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Cheap round-trip flights

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Allegiant Air Logo
8:02 pm - 9:21 pmJAX-TYS
1h 19mnonstop
Allegiant Air Logo
11:50 am - 1:19 pmTYS-JAX
1h 29mnonstop
$81Allegiant Air
Find Deal
Thu, Feb 19 - Sun, Feb 22
Allegiant Air Logo
9:07 pm - 10:26 pmJAX-TYS
1h 19mnonstop
Allegiant Air Logo
11:50 am - 1:06 pmTYS-JAX
1h 16mnonstop
$90Allegiant Air
Find Deal
Thu, Nov 20 - Tue, Nov 25
Allegiant Air Logo
11:08 am - 12:26 pmJAX-TYS
1h 18mnonstop
Allegiant Air Logo
9:00 am - 10:18 amTYS-JAX
1h 18mnonstop
$93Allegiant Air
Find Deal
Thu, Nov 13 - Sun, Nov 16
Allegiant Air Logo
9:07 pm - 10:26 pmJAX-TYS
1h 19mnonstop
Allegiant Air Logo
11:50 am - 1:06 pmTYS-JAX
1h 16mnonstop
$95Allegiant Air
Find Deal
Thu, Nov 20 - Tue, Nov 25
Multiple Airlines Logo
5:18 pm - 10:34 amJAX-TYS
41h 16m2 stops
Multiple Airlines Logo
1:20 pm - 2:36 pmTYS-JAX
1h 16mnonstop
$198Multiple Airlines
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Sun, Nov 16 - Thu, Nov 20
Multiple Airlines Logo
5:13 pm - 10:56 pmJAX-TYS
29h 43m2 stops
Multiple Airlines Logo
9:00 am - 10:18 amTYS-JAX
1h 18mnonstop
$203Multiple Airlines
Find Deal
Thu, Nov 13 - Sun, Nov 16
American Airlines Logo
6:00 am - 9:50 amJAX-TYS
3h 50m1 stop
American Airlines Logo
6:05 am - 10:30 amTYS-JAX
4h 25m1 stop
$259American Airlines
Find Deal
Tue, Dec 2 - Tue, Dec 9
American Airlines Logo
5:01 am - 8:34 amJAX-TYS
3h 33m1 stop
American Airlines Logo
5:07 pm - 12:14 amTYS-JAX
7h 07m1 stop
$304American Airlines
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Tue, Nov 25 - Tue, Dec 2
Delta Logo
6:46 pm - 11:44 pmJAX-TYS
4h 58m1 stop
Delta Logo
5:30 am - 10:22 amTYS-JAX
4h 52m1 stop
$322Delta
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Wed, Apr 1 - Sun, Apr 5
Delta Logo
5:30 am - 11:07 amJAX-TYS
5h 37m1 stop
Delta Logo
5:30 am - 10:22 amTYS-JAX
4h 52m1 stop
$337Delta
Find Deal
Tue, Apr 7 - Fri, Apr 10

Allegiant Air flights from Jacksonville to Knoxville

Our best Allegiant Air deals on Jacksonville to Knoxville flight tickets
Allegiant Air
Feb 19
JAX8:02 pmJacksonville
1h 19m
TYS9:21 pmKnoxville McGhee Tyson
Feb 22
TYS11:50 amKnoxville McGhee Tyson
1h 29m
JAX1:19 pmJacksonville
$81
Find similar
Allegiant Air
Nov 20
JAX9:07 pmJacksonville
1h 19m
TYS10:26 pmKnoxville McGhee Tyson
Nov 25
TYS11:50 amKnoxville McGhee Tyson
1h 16m
JAX1:06 pmJacksonville
$90
Find similar
Allegiant Air
Nov 13
JAX11:08 amJacksonville
1h 18m
TYS12:26 pmKnoxville McGhee Tyson
Nov 16
TYS9:00 amKnoxville McGhee Tyson
1h 18m
JAX10:18 amJacksonville
$93
Find similar

American Airlines flights from Jacksonville to Knoxville

Our best American Airlines deals on Jacksonville to Knoxville flight tickets
American Airlines
Dec 2
JAX6:00 amJacksonville
3h 50m
1 stop
TYS9:50 amKnoxville McGhee Tyson
Dec 9
TYS6:05 amKnoxville McGhee Tyson
4h 25m
1 stop
JAX10:30 amJacksonville
$259
Find similar
American Airlines
Nov 25
JAX5:01 amJacksonville
3h 33m
1 stop
TYS8:34 amKnoxville McGhee Tyson
Dec 2
TYS5:07 pmKnoxville McGhee Tyson
7h 07m
1 stop
JAX12:14 amJacksonville
$304
Find similar
American Airlines
Dec 5
JAX11:16 amJacksonville
3h 58m
1 stop
TYS3:14 pmKnoxville McGhee Tyson
Dec 6
TYS5:51 pmKnoxville McGhee Tyson
6h 06m
1 stop
JAX11:57 pmJacksonville
$308
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 October 30, 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 2/19

8:02 pm-9:21 pm

Nonstop1h 19m

Knoxville McGhee Tyson

Sun 2/22

11:50 am-1:19 pm

Nonstop1h 29m

$81

JacksonvilleKnoxville

JAX - TYS

JAXTYS

Jacksonville

Thu 11/20

9:07 pm-10:26 pm

Nonstop1h 19m

Knoxville McGhee Tyson

Tue 11/25

11:50 am-1:06 pm

Nonstop1h 16m

$90

JacksonvilleKnoxville

JAX - TYS

JAXTYS

Jacksonville

Thu 11/13

11:08 am-12:26 pm

Nonstop1h 18m

Knoxville McGhee Tyson

Sun 11/16

9:00 am-10:18 am

Nonstop1h 18m

$93

JacksonvilleKnoxville

JAX - TYS

JAXTYS

Jacksonville

Thu 11/20

9:07 pm-10:26 pm

Nonstop1h 19m

Knoxville McGhee Tyson

Tue 11/25

11:50 am-1:06 pm

Nonstop1h 16m

$95

JacksonvilleKnoxville

JAX - TYS

JAXTYS

Jacksonville

Sun 11/16

5:18 pm-10:34 am

2 stops41h 16m

Knoxville McGhee Tyson

Thu 11/20

1:20 pm-2:36 pm

Nonstop1h 16m

$198

JacksonvilleKnoxville

JAX - TYS

JAXTYS

Jacksonville

Thu 11/13

5:13 pm-10:56 pm

2 stops29h 43m

Knoxville McGhee Tyson

Sun 11/16

9:00 am-10:18 am

Nonstop1h 18m

$203

JacksonvilleKnoxville

JAX - TYS

JAXTYS

Jacksonville

Tue 12/2

6:00 am-9:50 am

1 stop3h 50m

Knoxville McGhee Tyson

Tue 12/9

6:05 am-10:30 am

1 stop4h 25m

$259

JacksonvilleKnoxville

JAX - TYS

JAXTYS

Jacksonville

Tue 11/25

5:01 am-8:34 am

1 stop3h 33m

Knoxville McGhee Tyson

Tue 12/2

5:07 pm-12:14 am

1 stop7h 07m

$304

JacksonvilleKnoxville

JAX - TYS

JAXTYS

Jacksonville

Wed 4/1

6:46 pm-11:44 pm

1 stop4h 58m

Knoxville McGhee Tyson

Sun 4/5

5:30 am-10:22 am

1 stop4h 52m

$322

JacksonvilleKnoxville

JAX - TYS

JAXTYS

Jacksonville

Tue 4/7

5:30 am-11:07 am

1 stop5h 37m

Knoxville McGhee Tyson

Fri 4/10

5:30 am-10:22 am

1 stop4h 52m

$337

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

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 Monday. Travelers who choose to depart for Knoxville on a Monday will often find tickets for as low as $85. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Jacksonville to Knoxville for around $249.

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

In the afternoon 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 afternoon 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 $138 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 October 2025, prices for Jacksonville to Knoxville flights are approximately 38% 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

$75

Fastest flight time

1h 18m

Direct flights

Mon, Wed and Fri

Airports in Knoxville

1 airport
The best one-way flight to Knoxville from Jacksonville in the past 72 hours is $75. The best round-trip flight deal from Jacksonville to Knoxville found on momondo in the last 72 hours is $96.
The fastest flight from Jacksonville to Knoxville takes 1h 18m
Direct flights go from Jacksonville to Knoxville on Monday, Wednesday and Friday. The only airline offering direct flights is Allegiant Air.
There is 1 airport near Knoxville: 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 18m 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 $58Free CancellationRating
7.2
695 reviews
Search Allegiant Air flights
DeltaPriceFrom $204Free CancellationRating
7.9
7,993 reviews
Search Delta flights
American AirlinesPriceFrom $249Free CancellationRating
7.2
11,030 reviews
Search American Airlines flights

  • Allegiant Air Flights From Jacksonville to Knoxville

    Allegiant Air flight deals from Jacksonville to Knoxville start from $58 round-trip. Over the 1 Allegiant Air flight for this route in a normal week, average airfare is usually $94 round-trip - but some users have found much cheaper deals with momondo.

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 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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